Answer:2x3x4
Step-by-step explanation:
Tell the percentage below:
Answer:
10%
Step-by-step explanation:
if the volume of the water increase by 10 when turns to
ice so it must be decrease by 10 if it changes to water again
Stefanie has 18 grams of 20% sugar syrup and John has 30 grams of 25% sugar syrup.
how many grams of sugar are in Stefanie's syrup?
how many grams of sugar are in John's syrup?
The grams of sugar that is in Stefanie's syrup = 3.60g
The grams of sugar that is in John's syrup = 7.50g
How to calculate the quantity of sugar?The quantity of sugar syrup that Stefanie has = 18grams
The percentage of sugar syrup that is sugar = 20%
That is, 20/100 × 18
= 360/100
= 3.60g
The quantity of sugar syrup that John has = 30 g
The percentage of sugar syrup that is sugar = 25%
That is;
= 25/100 × 30
= 750/100
= 7.50g
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Y interslope =
Slope=
Y-intercept is the point on the graph where the line crosses y-axis.
Slope of a line is the proportion of difference of y-coordinates to difference of x- coordinates.
What is a line?
A line is an object which has only one dimension i.e. it has only length and not width. A line is made up of several points that are endlessly stretched in the opposing directions.
Y-Intercept
It is a point on the graph where the line crosses y-axis. We know that any point on y-axis has its x-coordinate as 0. Therefore, for y-intercept, its x-coordinate is 0.
Slope
It is the proportion of difference of y-coordinates to difference of x- coordinates. The symbol 'm' denotes the slope.
[tex]m=\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex]
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Question: Y-Intercept=
Slope=
A certain blend of coffee sells for $15 per pound. Part 3 If a container has 31-x lb of coffee, write an expression that represents the cost.
The expression that represents the cost of coffee per container is (blank)
T = si is an expression that can be used to represent the party's projected cost.
How should the information be illustrated?T = si is an expression that can be used to represent the party's projected cost.
It should be remembered that expressions depict how variables relate to one another.
We can use the following phrase to obtain an estimated party cost:
T = s×i
where:
T is the ice cream party's overall budget.
s is the number of ninth-graders.
I = the ice cream unit price.
discover more on expressions;
All ninth graders are invited to an ice cream celebration as a prize for accomplishing their goals.
1) Write an expression that could represent an estimated cost for the party. Use at least one letter. State what each part of the expression represents.
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Determine the seating capacity of an auditorium with 35 rows of seats if there are 20 seats in the first row, 25 seats in the second row, 30 seats in the third row, 36 seats in the fourth row, and so on.
Total number of seats=_____.
The total number of seats in the auditorium is 3500.
What is the arithmetic series?
An arithmetic series is a sequence of numbers in which the difference between any two consecutive terms is always the same. It can also be defined as a sum of a finite number of terms of an arithmetic progression.
The seating capacity of the auditorium can be found by using the formula for the sum of an arithmetic series.
The formula for the sum of an arithmetic series is:
S = n/2 (2a + (n-1)d)
Where:
S is the sum of the series (total number of seats)
n is the number of terms in the series (number of rows of seats)
a is the first term in the series (number of seats in the first row)
d is the common difference between terms in the series (increase in number of seats per row)
In this case,
a = 20 (number of seats in the first row)
d = 25 - 20 = 5 (increase in number of seats per row)
n = 35 (number of rows of seats)
So,
S = 35/2 (2(20) + (35-1)(5))
S = 35/2 (40 + 160)
S = 35/2 (200)
S = 35*100
S = 3500
Hence, the total number of seats in the auditorium is 3500.
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The occupations of registered nurse, food service employee, and customer service representative are among the 5 with the largest growth from 2012 to 2022. The number of registered nurses is
predicted to grow 748 thousand less than three times the number of food service jobs. The number of customer service jobs is predicted to grow 71 thousand more than half the number of food
service jobs. If the total growth of these three jobs is predicted to be 1222 thousand, find the predicted growth of each job.
The predicted growth of registered nurse jobs is?
The predicted growth of job of registered nurse, food service employee, and customer service representative are 518 thousand, 282 thousand, and 422 thousand respectively.
What are equations?A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("="). For instance, 2x - 5 = 13.
Let us suppose the number of registered nurses = x
Let us suppose the number of food service jobs = y
Let us suppose the number of customer service jobs = z
The number of registered nurses is predicted to grow 748 thousand less than three times the number of food service jobs. This is represented as:
x = 3y - 748,000 (equation 1)
The number of customer service jobs is predicted to grow 71 thousand more than half the number of food service jobs. This is represented as:
z = (1/2) y + 71,000 (equation 2)
The total growth of these three jobs is predicted to be 1222 thousand. This is represented as:
x + y + z = 1222000 (equation 3)
Isolate the value of y in the first equation:
x = 3y - 748,000
y = (x + 748000) / 3
Substitute the value of y in the second equation:
z = (1/2) ((x + 748000) / 3) + 71,000
z = (x + 748000) / 6 + 71000
z = x/6 + 124666.66 + 71000
z = x/6 + 195666.66
Substitute the value of y and z in third equation:
x + (x + 748000) / 3 + x/6 + 195666.66 = 1222000
x + x/3 + 249333.33 + x/6 + 195666.66 = 1222000
x + x/3 +x/6 = 1222000 - 249333.33 - 195666.66
6x + 2x + x = 6 (777000.01)
9x= 4662000.06
x = 518000
Substitute the value of x in the equation of z:
z = x/6 + 195666.66
z = 518000/6 + 195666.66
z= 282000
Substitute the value of x in the equation of y:
y = (x + 748000) / 3
y = (518000 + 748000)/3
y = 422000
Hence, the predicted growth of job of registered nurse, food service employee, and customer service representative are 518 thousand, 282 thousand, and 422 thousand respectively.
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Three times a number minus 6 is equal to two times the sum of a number and 8.
Write as a equation
What is the sum of 3+3+
Answer:
0
Step-by-step explanation:
I believe this is correct. Since they don't have the same sign then you will just have to subtract them.
Answer: 6
Step-by-step explanation:
A study of existing records of 27,000 automobile accidents involving children in Michigan found that about 10 percent of children who were wearing a seatbelt (group SB) were injured and that about 15 percent of children who were not wearing a seatbelt (group NSB) were injured. Which of the following statements should NOT be included in a summary report about this study?
(A) Driver behavior may be a potential confounding factor.
(B) The child's location in the car may be a potential confounding factor.
(C) This study was not an experiment, and cause-and-effect inferences are not warranted.
(D) This study demonstrates clearly that seat belts save children from injury.
(E) Concluding that seatbelts save children from injury is risky, at least until the study is independently replicated.
The correct answer is This study demonstrates clearly that seat belts save children from injury.
Given that,
According to an analysis of the 27,000 child passenger vehicle incidents in Michigan with records currently available, around 10% of children who were wearing seatbelts (group SB) and 15% of children who were not (group NSB) sustained injuries. Which of the following statements is NOT appropriate for a report summarizing this study?
Options are :
(A)Driver conduct could be a complicating variable.
(B) The location of the youngster in the vehicle could be a complicating variable.
(C) Since this study was not an experiment, drawing conclusions about causes and effects is not appropriate.
(D) This study amply demonstrates how seat belts protect kids from harm.
(E) It is dangerous to draw the conclusion that seatbelts protect kids from harm, at least until the study is independently reproduced.
So,The correct answer is This study demonstrates clearly that seat belts save children from injury.
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Dr. Leona Williams, a well-known plastic surgeon, has a reputation for being one of the best surgeons for reconstructive nose surgery. Dr. Williams enjoys a rather substantial degree of market power in this market. She has estimated demand for her work to be: Q = 480 – 0.2P where Q is the number of nose operations performed monthly and P is the price of a nose operation. What is the inverse demand function for Dr. Williams’ services? What is the marginal revenue function?
The average variable cost function for reconstructive nose surgery is estimated to be:
AVC = 2Q2 – 15Q + 400
where AVC is the average variable cost (measured in dollars), and Q is the number of operations per month. The doctor’s fixed cost per month is $8,000. If the doctor wishes to maximize her profit, how many nose operations should she perform each month?
What price should Dr. Williams charge to perform a nose operation?
How much profit does she earn each month?
tysm! :)
The inverse demand function is P = 2400 + 5Q
The Marginal Revenue function is MR = 5QThe number of nose operations is 15The price per month is $2475Dr. Williams earns $19750 in profit each monthHow to determine the inverse demand functionGiven that
Q = 480 - 0.2P
We simply make P the subject of the formula
So, we have
0.2P = 480 - Q
Divide by 0.2
P = 2400 + 5Q
The marginal revenue functionTo find the marginal revenue function, we can use the inverse demand function P = 2400 + 5Q, and take the derivative of this function with respect to Q.
The derivative of P with respect to Q is dP/dQ = 5. This represents the change in price for a one unit change in the quantity of operations performed.
So the Marginal Revenue function is MR = dP/dQ * Q = 5Q
The number of nose operationsTo maximize profit, the doctor should equate marginal revenue to marginal cost, which is
MC = dAVC/dQ
So, we have
MC = d(2Q² - 15Q + 400)/dQ
Evaluate
MC = 4Q - 15.
So, we have
5Q = 4Q - 15
Q = -15
Take the absolute value
Q = 15
So, the number of operations is 15
The price for each operationWe have
P = 2400 + 5Q
This gives
P = 2400 + 5 * 15
Evaluate
P = 2475
The monthly profitTo find the profit, we need to subtract the total cost from the total revenue.
The total revenue is found by multiplying the price by the quantity of operations performed: TR = P * Q = 2475 * 15 = 37125
The total variable cost is found by multiplying the average variable cost by the quantity of operations performed: TVC = AVC * Q = (2Q^2 - 15Q + 400) * Q = 2Q^3 - 15Q^2 + 400Q
The total fixed cost is the fixed cost that doesn't change regardless of the level of output : TFC = $8000
The total cost is the sum of the total variable cost and total fixed cost: TC = TVC + TFC = 2Q^3 - 15Q^2 + 400Q + $8000
The profit is the difference between total revenue and total cost:
π = TR - TC = 37125 - (2Q^3 - 15Q^2 + 400Q + $8000)
When Q = 15,
profit is π = 37125 - (2(15)^3 - 15(15)^2 + 400(15) + $8000)
= 19750
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In the science club at school, 22 of the students have pets and 25 do not. In a sample of 10 students from the club, only one of them had a pet. The students want to do a simulation to determine if such a sample is unusual. Which of the following statements describes how the students could use a table of random digits to carry out this simulation?
Label the students with pets 01–22 and the students without pets 23–47. Go along the random number table, selecting digits two at a time until 10 numbers have been selected.
Label the students with pets 01–22 and the students without pets 23–47. Ignoring repeated values, go along the random number table, selecting digits two at a time until 10 students’ numbers have been selected.
Label the students with pets 01–22 and the students without pets 23–47. Ignoring numbers 48–99 and 00, go along the random number table, selecting digits two at a time until 10 students’ numbers have been selected.
Label the students with pets 01–22 and the students without pets 23–47. Ignoring repeated values and numbers 48–99 and 00, go along the random number table, selecting digits two at a time until 10 students’ numbers have been selected.
Label the students with pets 01–22 and the students without pets the rest of the two-digit numbers, 23–99 and 00. Ignoring repeated values, go along the random number table, selecting digits two at a time until 10 students’ numbers have been selected.
Indicate probability the students with pets (01–22) and those without (23–47).Go along the random number table, selecting digits two at a time and ignoring any repeated values, until 10 students’ numbers have been selected.
1.Indicate the students with pets (01–22) and those without (23–47).
2. Go along the random number table and select two digits at a time.
3. Check if the two digits are repeated.
4. If they are repeated, select the next two digits.
5. If they are not repeated, add them to the list of 10 students.
6. Repeat steps 2-5 until 10 students’ numbers have been selected.
The students in the science club can use a table of random digits to simulate if the sample of 10 students with only one of them having a pet is unusual. First, they need to label the students with pets 01–22 and the students without pets 23–47. Then, they can go along the random number table, selecting digits two at a time and ignoring any repeated values until 10 students’ numbers have been selected. This will help to see if the sample of 10 students is unusual or not. By doing this simulation, they can check if the sample they have is significantly different from what the expected results would be if they had a random sample of 10 students. This will help them to determine if the sample they have is unusual or not.
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A physical therapist claims that 75% of people lose their balance if they close their eyes while standing on one foot. A gymnast feels that the rate is less than 75%. To test this, she randomly selects 100 people and finds that 80 of them lose their balance while standing on one foot. To determine if these data provide convincing evidence that the proportion of people who lose their balance while standing on one foot and closing their eyes is less than 75%, 150 trials of a simulation are conducted. The gymnast is testing the hypotheses: H0: p = 75% and Ha: p < 75%, where p = the true proportion of people who will lose their balance while standing on one foot and closing their eyes. Based on the results of the simulation, what is the estimate of the P-value of the test?
The P-value of the test is the probability of observing a sample proportion of 80/100 or less, given that the null hypothesis is true.
This can be calculated using the formula P(X <= x) = Σ (n x) p^(x) q^(n-x), where n = 100, x = 80, p = 0.75 and q = 1-0.75. Following this formula, the P-value of the test is calculated to be 0.0009. This means that there is a 0.0009 probability of observing a sample proportion of 80/100 or less, given that the null hypothesis is true. Therefore, the data provide convincing evidence that the proportion of people who lose their balance while standing on one foot and closing their eyes is less than 75%.The P-value of the test is the probability of observing a sample proportion of 80/100 or less, given that the null hypothesis is true.
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Show that a quadrilateral with the given vertices is a parallelogram.
When opposite sides of a quadrilateral is equal then the quadrilateral is Parallelogram. (PA = RT and PT = AR)
What is a Parallelogram ?A basic quadrilateral with two sets of parallel sides is known as a parallelogram. In a parallelogram, the opposing or confronting sides are of equal length, and the opposing angles are of equal size.
A quadrilateral is a specific type of polygon known as a parallelogram if it contains two parallel opposed sides. A parallelogram has the following qualities:
The opposing sides are equal and parallel.Angles on either side are equal.The subsequent or neighboring angles are additional.All of the angles will be at right angles if any one of them is a right angle.The two diagonals are split in half.The parallelogram is divided into two congruent triangles by each diagonal.A parallelogram's total square sum and total square sum of its diagonals are equivalent. Also known as the parallelogram law.Each coordinate of the Parallelogram :
P (-3, 0) , A(3, -1) , R ( 2, -5) and T(-4, -4)
Length of PA = √((3 + 3)² + (-1 - 0)²) = √(36 + 1) = √37
Lenght of TR = √((-4 - 2)² + (-4 + 5)²) = √(36 + 1) = √37
Length of PT = √((-3 + 4)² + (0 + 4)²) = √(16 + 1) = √17
Length of AR = √((3-2)² + (-1 + 5)²) = √(16 + 1) = √17
Here, PA = RT and PT = AR ,
so when opposite sides of a quadrilateral is equal then the quadrilateral is Parallelogram.
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1. Let there exist an antiderivative F such that the integral from 0 to x of e to the power of 4t dt period Find the value of x such that F(x) = 2. Justify your work.
The value of the variable x for the given f(x) = 2 by simplifying the antiderivative of the given function is given by x = 0.4865.
As given in the question,
Given anti derivative of f(x) :
For the limit 0 to x for the integration of e^4t with respect t
= [tex]\int\limits^x_0 {e^{4t} } \, dt[/tex]
= ( 1/4) e^4x + ( 1/4 )
Value of the function f (x) = 2
Now f(x) = 2
Substitute the value of the function f(x) we get,
( 1/4) e^4x + ( 1/4 ) = 2
⇒ e^4x + 1 = 8
⇒ e^4x = 7
⇒x = log7 / 4
⇒ x= 0.4865
Therefore, the value of the x by simplifying the antiderivative function f(x) for the given f(x) = 2 is equal to 0.4865.
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An amendment to the U.S. Constitution must be ratified by at least three fourths of the states to become law. Write this ratio as a percent.
The ratio of the stated that became law would be represented as = 75%
What is percentage?Percentage is defined as the representation of a part of a data as per 100.
The part of states that needs to be ratified = 3/4
To represent this portion in percentage, × by 100
That is,
= 3/4× 100
= 300/4
= 75%
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Find the number that belongs in the green box.
14
15
170° [?]°
Round your answer to the nearest tenth.
Using Trigonometric ratios, the value of missing angle is 60.45°.
There are six popular trigonometric functions for an angle. Sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant are their respective names and acronyms (csc).
If we draw an imaginary line dividing the given triangle in 2 equal parts,
we will get 2 right angled triangles.
So, using trigonometric ratios,
Sin θ = Perpendicular / hypotenuse
⇒ Sin 70 ° = perpendicular / 14
⇒ 0.94 = perpendicular / 14
⇒ perpendicular = 0.94 × 14
⇒ perpendicular = 13.16
Now the other right angled triangle is
Sin θ = Perpendicular / hypotenuse
⇒ Sin θ = perpendicular / 15
⇒ Sin θ = 13.16 / 15
⇒ θ = sin⁻¹(13.16 / 15)
⇒ θ = sin⁻¹(0.87)
⇒ θ = 60.45
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find the volume of the solid with semi-circular cross sections whose bases lie in the xy-plane on [0,9] and diameters run from y
The volume of the solid is equal to the integral of the area of the semi-circular cross sections multiplied by the length of the interval. The area of the semi-circular cross sections is equal to πr²/2, where r is the diameter running from y. Therefore, the volume is equal to π/2∫0,9r²dy.
Step 1: Substitute the expression for the area of the semi-circular cross section into the equation for the volume of the solid:
V = π/2∫0,9r²dy
Step 2: Integrate the equation to find the volume of the solid:
V = π/2[y³/3]|0,9
Step 3: Evaluate the integral:
V = π/2(9³/3 - 0³/3)
step 4: Solve for the volume of the solid:
V = 7π/2
The volume of the solid is equal to the integral of the area of the semi-circular cross sections multiplied by the length of the interval. The area of the semi-circular cross sections is equal to πr²/2, where r is the diameter running from y. Therefore, the volume is equal to π/2∫0,9r²dy. To calculate the volume, we must first substitute the expression for the area of the semi-circular cross sections into the equation for the volume of the solid: V = π/2∫0,9r²dy. Then, we must integrate the equation to find the volume of the solid: V = π/2[y³/3]|0,9. After that, we must evaluate the integral: V = π/2(9³/3 - 0³/3). Finally, we must solve for the volume of the solid: V = 7π/2. The answer is the volume of the solid is 7π/2.
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the radius of the wheelsof car is 35cm the car take 1 hour to cover 66 km find the number of revolution that the wheel of the car makes in one minute
The wheel of the car makes 500.5 revolution per minute
What is frequency?frequency is defined as the number of oscillation or revolution made in one seconds. It measured in Hertz. frequency is denoted as F. And it is expressed as :
F = w/2π
Where w = angular velocity and
2π = 360 which is also a revolution
to calculate w ;
v = wr
r = 35cm = 0.35m
v = 66km/h = 66×1000/60
v= 1100m/mins
therefore from the relation, v = wr
w = v/r
w = 1100/0.35
w = 3142.9rad/mins
therefore F = w/2π
F = 3142.9/ 2×3.14
F = 500.5 revolution per minute
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Help please I think I’m not sure which one is the answer, confused!!!
A rectangular landing strip for an airplane has a perimeter of 8876 feet. If the length is 10 feet longer than 35 times the width, what is the length of the air strip?
The length of the air strip is 451feet
What is perimeter?Perimeter is the sum of length of the sides used to made the given figure. A regular figure with n-sides has n equal sides in it, and they are the only parts of it(that means, nothing more than those equal lengthed n sides).
Given;
Perimeter= 8876feet
Let the length be x
and the width be y
Then, length will be x= 10+35y
Perimeter of rectangle= 2l+2b
8876=2(10+35y)+y
8876=20+700y+y
y=12.6
x=10+35y
x=451
Therefore, the length by the given perimeter will be 451feet
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A ball has a radius of 3 in how much air can the ball hold
Answer:
v = 113.04 [tex]units^{3}[/tex]
Step-by-step explanation:
v = 4/3[tex]\pi r^{3}[/tex]
v = 4/3[tex]\pi 3^{3}[/tex]
v = 113.04 [tex]units^{3}[/tex]
HELP ME PLEASE. only need the answer pls and thanks
The value of the expression → p(q(-1)) will be → 5.
What are functions?In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called the codomain of the function.Any subset of the Cartesian product of two sets X and Y defines a binary relation R ⊆ X × Y between these two sets.A binary relation is univalent (also called right-unique) if -[tex]${\displaystyle \forall x\in X,\forall y\in Y,\forall z\in Y,\quad ((x,y)\in R\land (x,z)\in R)\implies y=z.}[/tex]
A binary relation is total if -[tex]${\displaystyle \forall x\in X,\exists y\in Y,\quad (x,y)\in R.}[/tex]
In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.Given are the graphs of two function as shown in the image.
We have to find -
p(q(-1))
Now, we can see from the graph that -
q(-1) = -2
Then, p(q(-1)) will be -
p(-2) = 5
Therefore, the value of the expression → p(q(-1)) will be → 5.
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a gallup poll utilizing a random sample of adults ages or older was conducted in april . the survey indicated a majority of americans () say driverless cars will be common in the next years (gallup,
A Gallup poll conducted in April found that 55% of Americans believe driverless cars will be common in the next 10 years, as presented in a histogram showing the percentage of responses in different time intervals.
A Gallup Poll was conducted in April that surveyed adults aged 18 or older to gauge their perceptions on when fully automated "driverless cars" will be commonly used in the United States.
The question asked was "how soon do you think driverless cars will be commonly used in the United States?" The survey indicated that 55% of Americans believe that driverless cars will be common in the next 10 years.
The results of the survey were presented in a histogram, showing the percentage of responses in different time intervals, which means it shows how many people responded within a certain time frame (e.g. within 5 years, within 10 years, etc.) when they think driverless cars will be commonly used.
This poll gives an insight into how people perceive the future of driverless cars and how soon they think it will become a common sight on the roads.
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The question is -
A Gallup Poll utilizing a random sample of adults ages or older was conducted in April. The survey indicated a majority of Americans () say driverless cars will be common in the next years (). The question asked was: Thinking about fully automated, "driverless cars," cars that use technology to drive and do not need a human driver, based on what you have heard or read, how soon do you think driverless cars will be commonly used in the [United States]? The figure below shows a summary of the results of the survey in a histogram indicating the percentage of the total responses in different time intervals.
find the area of this figure. round your answer to the nearest hundredth. use 3.14 to approximate pi A= ? m^2
The area of the given figure is 51.63 m².
What is an Area ?
Area in geometry refers to the volume occupied by a flat shape on a plane, such as a polygon, circle, or ellipse. A shape's area is always expressed in square units.
The area of the given figure = area of given triangle + area of given rectangle + area of given semi circle.
(I) area of given triangle
= 1/2 × base × height
= 1/2 × 3 × 5
= 7.5m².
(II) area of given rectangle
= length × breadth
= 6 × 5 = 30m².
(III) area of given semi circle
= πr²/2
here, r = 3 m ( 6m/2)
So, πr²/2 = (3.14 × 3² )/2
= 28.26/2
= 14.13 m².
Hence, The area of the given figure = 7.5 + 30 + 14.13
= 51.63 m².
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Please help me!! It is 5 questions
1. 80 people attended only the FSU-Butler game.
2. 165. Since it's not possible to have negative number of people, the answer is 0.
3. 210 people attended at least two of these games.
4. 340 people attended the Marist and Butler games, but not the North Carolina State game.
5. 365 people attended the North Carolina State or the Butler game
How do you calculate this vendiagram? We know that 215 people attended the FSU-Butler game, and that 70 of them also attended the NC State game and 65 of them also attended the Marist game. So, 215 - 70 - 65 = 80 people attended only the FSU-Butler game.We know that 460 people were surveyed in total, and 190, 215, and 220 attended the Marist, Butler and NC State games respectively. The number of people who attended at least one of these games is 190 + 215 + 220 = 625. Thus, 460 - 625 = -165. Since it's not possible to have negative number of people, the answer is 0.We know that 65 people attended the Marist and NC State games, 70 people attended the NC State and Butler games, and 65 people attended the Butler and Marist games. 10 people attended all three games. So, 65 + 70 + 65 + 10 = 210 people attended at least two of these games.We know that 190 people attended the Marist game, 215 people attended the Butler game, and 65 people attended both the Marist and Butler games. So, 190 + 215 - 65 = 340 people attended the Marist and Butler games, but not the North Carolina State game.We know that 220 people attended the North Carolina State game and 215 people attended the Butler game. 70 people attended both the North Carolina State and Butler game. So, 220 + 215 - 70 = 365 people attended the North Carolina State or the Butler game.To learn more about venn diagram refer
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A dozen mangos and a pizza cost $2.70.
Half a dozen mangos and 2 pizzas cost $3.75.
What is the cost of a pizza?
Answer the question and show steps.
In June 2008, 88%88% of automobile drivers filled their vehicles with regular gasoline, 2%2% purchased midgrade gas, and 10%10% bought premium gas. Of those who bought regular gas, 28%28% paid with a credit card. Of customers who bought midgrade and premium gas, 34%34% and 42%42%, respectively, paid with a credit card. Suppose we select a customer at random. (a) Construct a tree diagram to represent this situation. (b) Find the probability that the customer paid with a credit card. Show your work. (c) Given that the customer paid with a credit card, find the probability that she or he bought premium gas.
The probability that the customer paid with a credit card is 25% and the customer bought premium gas given that she or he paid with a credit card is 16.8%.
What is the probability?
Probability is simply how likely something is to happen. Whenever we're unsure about the outcome of an event, we can talk about the probabilities of certain outcomes—how likely they are. The analysis of events governed by probability is called statistics.
To find the probability that the customer paid with a credit card, we can use the law of total probability.
P(credit card) = P(credit card | regular gas) * P(regular gas) + P(credit card | midgrade gas) * P(midgrade gas) + P(credit card | premium gas) * P(premium gas)
P(credit card) = 0.28 * 0.88 + 0.34 * 0.02 + 0.42 * 0.1 = 0.25
So, the probability that the customer paid with a credit card is 25%.
Given that the customer paid with a credit card, we can find the probability that she or he bought premium gas using Bayes' theorem:
P(premium gas | credit card) = P(credit card | premium gas) * P(premium gas) / P(credit card)
P(premium gas | credit card) = 0.42 * 0.1 / 0.25 = 0.168 or 16.8%
So, the probability that the customer bought premium gas given that she or he paid with a credit card is 16.8%.
Hence, the probability that the customer paid with a credit card is 25% and the customer bought premium gas given that she or he paid with a credit card is 16.8%.
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Procedure: Pick a number. Add 5 to the number and multiply the sum by 3. Subtract 7 and then decrease this difference by the triple of the original number.
Answer:
(3n +8) -3n = 8
Step-by-step explanation:
You have the difference (3n+15) -7, and you want its value when it is decreased by the triple of the original number (n).
Triple the numberThe phrase "triple the original number" will be translated to 3n. This is the value you want to subtract.
(3n +15) -7 = 3n +8 . . . . . "the difference"
(3n +8) -3n = 8 . . . . . . . . "decreased by triple the original number"
This simplifies to 8, which is the point of the exercise: showing the sequence of steps always gives a value of 8.
The patient is insured by an insurance plan that reimburses on a 75-25 basis. The
charge total for the office visit is $340.00.
What is the dollar amount billed to the insurance plan?Make
sure to have 2 decimal places.
What is the amount the patient must pay?
To calculate the dollar amount billed to the insurance plan:
What's the math rate?
A rate is a unique ratio where the two words are expressed in several units. For instance, the price is 69 for 12 ounces if a 12-ounce can of maize costs 69. This is not a proportion of two comparable units, like shirts. Cents and ounces are the two dissimilar units in this ratio.
$340.00 (total charge for office visit) x 75% (insurance reimbursement rate) = $255.00
To calculate the amount the patient must pay:
$340.00 (total charge for office visit) x 25% (patient responsibility rate) = $85.00
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students will read word problems and decide if they are one or two steps. then students will work to solve. great for a formative assessment or math centers.
When working with word problems, students should first read the problem and decide if it is a one-step or two-step problem.
A one-step problem involves solving for a single unknown quantity, such as finding the total cost of 10 pencils at $0.50 each. The formula for this would be C = Pn, where C is the cost, P is the price, and n is the number of items. To solve this problem, the student would multiply the price and number of items, so C = 0.50 x 10 = $5.00. A two-step problem involves solving for two unknowns, such as finding the total cost of 10 pencils at a 10% discount. The formula for this would be C = Pn (1 - r), where r is the discount rate. To solve this problem, the student would first calculate the discount by multiplying the price and number of items by the discount rate, so C = 0.50 x 10 x 0.10 = $0.50. Then the student would subtract the discount from the total cost, so C = 0.50 x 10 - 0.50 = $4.50.
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