Answer:
To complete the same work in 48 days working 10 hours a day, 40 additional women must be added. This is calculated by multiplying the number of days (60) by the number of hours worked per day (9) and dividing it by the number of days required (48) multiplied by the number of hours worked per day (10). This gives a total of 80 women.
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Adam has a points card for a movie theater.
• He receives 60 rewards points just for signing up.
• He earns 12.5 points for each visit to the movie theater.
•He needs at least 160 points for a free movie ticket.
Answer:
60+12.5x=160
12.5x=100
x=8
Step-by-step explanation:
Please help with this math problem!! Will give brainliest!! :)
Answer:
Step-by-step explanation:
Use a formula to find the surface area of the square pyramid?(H.6ft.)(W.3ft.)(L.3ft.)
A. 45 ft
B. 81 ft
C. 36 ft
D. 72 ft
The surface area of the square pyramid is 45.
What is the formula for square pyramids?A square pyramid in geometry is a pyramid with a square base. It is a right square pyramid with C4v symmetry if the apex is perpendicular to and above the square's centre. It is an equilateral square pyramid, the Johnson solid J1, if all edge lengths are equal.The term "square pyramid" refers to a three-dimensional geometric form with a square base and four triangular faces or sides that meet at a single point (known as the vertex). Because it has five faces, it is referred to as a pentahedron.These are the Square Pyramid formulas: Square Pyramid Base Area = b. A square pyramid's surface area is equal to 2 b s + b. A square pyramid's volume is equal to frac (1/3) b2 h.Given data :
H = 6ft.)
W = 3ft
L = 3ft.
2 × b × s +b. Volume of a Square Pyramid
= 45ft
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An airplane is 45 miles from the end of the runway, AB, and 9 miles high, AC, when it approaches the airport. What is the distance from the airplane to the end of the runway?
The distance from the airplane to the end of the runway will be 45.89 miles.
What is a Pythagoras theorem?The Pythagoras theorem states that the sum of two squares equals the squared of the longest side.
The Pythagoras theorem formula is given as
H² = P² + B²
An airplane is 45 miles from the end of the runway, AB, and 9 miles high, AC, when it approaches the airport. Then the triangle ABC is a right-angle triangle. Then we have
AC² = AB² + BC²
AC² = 45² + 9²
AC² = 2025 + 81
AC² = 2106
AC = 45.89 miles
The distance from the airplane to the end of the runway will be 45.89 miles.
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What is the value of x Power 0 if x 0?.
Answer: 1
Step-by-step explanation:
How can we find log 7?.
The logarithm of a number with respect to a base is the exponent to which the base must be raised to produce that number. In other words, log_b(x) = y means b^y = x.
To find log_7(x), we can use the change of base formula which is log_b(x) = log_c(x) / log_c(b).
So you can use the logarithm of base 10 (common logarithm) or base e (natural logarithm) and use the above formula to find log7
So for example, log7(49) = log10(49) / log10(7) or log7(49) = ln(49) / ln(7)
You can use a calculator or a logarithm table to find the result.
--The question is incomplete, answering to the question below--
"How can we find log₇(x)?"
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two linear function are shown. Which function has the greater initial value y=3*+2
A function which has the greater initial value include the following: linear function A.
What is y-intercept?In Mathematics, the y-intercept is sometimes referred to as an initial value and the y-intercept of any graph such as a linear function, generally occur at the point where the value of "x" is equal to zero (x = 0).
By critically observing the table of values for linear function A, we can reasonably and logically deduce that its y-intercept (initial value) is equal to 8 when the value of "x" is equal to zero (x = 0).
For linear function B, we would substitute the value of x with zero (0) as follows;
y = 3x + 2
y = 3(0) + 2
y = 0 + 2
y = 0.
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Isabella invested a certain amount of money at an
interest rate of 8%. At the end of the year, she had
$2592.
How much did she invest to start?
The length of my living room is 24 feet.the width of my living room is 1/2 the length.what is the area of my living room
Answer: 24 x 1/2(24) = 288
Step-by-step explanation:
Half of 24 is 12.
Multiply 24 by 12 = 288
Dee ued 2 1/3 cup of ugar for a cake recipe. If the amount of ugar the container hold i 3 time the amount he ued, doe the container hold more than, le than, or equal to 3 cup of ugar?
The container holds more than 3 cups of sugar, since it holds 3 times the amount used in the recipe.
To calculate the amount of sugar in the container, we need to first determine the amount used in the recipe. The recipe calls for 2 1/3 cups of sugar. This can be converted to a decimal by dividing by 3, resulting in 2.333 cups of sugar used in the recipe. Now that we know the amount used, we can calculate the amount the container holds.
1. 2 1/3 cups = 2.33 cups
2. 3 x 2.33 cups = 6.99 cups
The container holds 3 times the amount used, so we can multiply 2.333 cups by 3, resulting in 6.999 cups of sugar in the container. This is more than 3 cups of sugar, so the container holds more than 3 cups of sugar.
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What is called equivalence?.
Equivalence is a relationship that exists between two statements such that if the two statements are both true or both false, then the affirmation of one and the negation of the other contradicts itself.
Equivalent generally refers to two numbers, terms, or expressions that have the same value. There are many ways to express equivalent quantities. It can be represented by bars or equal signs. "Equivalence" relies on a specific relationship called an equivalence relationship. Any two elements are said to be equivalent if there is an equivalence relation between them. Also, in mathematics, equality is different from equivalent. The same means the same in all respects, and equivalent means similar but not identical. For example, 2 is said to be equal to 2, but it is equivalent to 1 + 1.
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There i 64 inger in acquire the tenor and Soprano are in eparate row there are eight inger in each row there are four row of tenor how many row of Soprano are there
There are 4 rows of Soprano. The concept of algebraic manipulation is used to solve the problem.
Given the information that there are 64 fingers in total and 8 fingers in each row of the Tenor, I was able to determine that there are 32 fingers in the Tenor rows by multiplying 8 fingers/row x 4 rows.
Then, We subtracted the number of fingers in the Tenor rows (32 fingers) from the total number of fingers (64 fingers) to find the number of fingers in the Soprano rows, which is also 32 fingers.
Finally, We divided the number of fingers in the Soprano rows by the number of fingers per row (8 fingers/row) to find the number of rows of Soprano, which is 4 rows.
If there are 64 fingers in total and 8 fingers in each row of the Tenor, then there are 8 fingers / row x 4 rows = 32 fingers in the Tenor rows.
Since there are 64 fingers in total and 32 fingers in the Tenor rows, then there are 64 fingers - 32 fingers = 32 fingers in the Soprano rows.
Therefore, there are 32 fingers / 8 fingers/row = 4 rows of Soprano.
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Which answer best describes the quadratic formula?
Group of answer choices
A formula that can determine the sides of a right triangle
A formula that can solve quadratic equations in standard form
A formula that can solve linear equations
A formula that can solve quadratic equations in vertex form
Flag this Question
Question 21 pts
Select each quadratic expression that is in standard form.
Group of answer choices
LaTeX: 4x^2+8x-2x+104 x 2 + 8 x − 2 x + 10
LaTeX: -3x^2+5x-9− 3 x 2 + 5 x − 9
LaTeX: 5x^2-3+2x5 x 2 − 3 + 2 x
LaTeX: \frac{3}{5}x^2-6x+100000003 5 x 2 − 6 x + 10000000
The quadratic formula is an algebraic formula that provides the solutions to a quadratic equation. A quadratic equation is an equation of the shape ax^2 + bx + c = 0, where a, b, and c are constants.
The quadratic formula gives the values of x that satisfy the equation and is expressed as:
x = (-b ± √ (b^2 - 4ac)) / (2a)
In other words, the quadratic formula provides a method for finding the two roots of a quadratic equation, even if the equation cannot be solved by factoring or other methods.
The formula works for all quadratic equations and is a widely used tool in mathematics and various scientific and engineering fields.
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What is multiplication and addition theorem explain with suitable examples?.
The multiplication theorem of probability is if and be two events associated with the sample space . Then, (∩) = ()⋅() and the addition theorem of probability is For two mutually exclusive events ,
(or ) = () + ().
According to the multiplication theorem of probability, the probability of both events and occurring is equal to the product of the probability of occurring and the conditional probability of event occurrence if event happens.
Let and are two events associated with the sample space . ∩ gives the simultaneous occurrence of two events and
We know that the conditional probability of the event given that has occurred is given by (∣) and is given by
(∣) = (∩)(), () ≠ 0
We can write the above equation as
(∩) = (∣)⋅()⋯()
Also, we can write
(∣) = (∩)(), () ≠ 0
(∩) = (∣)⋅()
Combining () and (), we can write
(∩) = (∣)⋅() = (∣)⋅(), where (),() ≠ 0
According to the addition theorem, if two events and , are mutually exclusive, the probability of either or occurring is the total of the individual probabilities of and .
Let event happen in ways, and event happen in ways. Then the total number of happening of events is , which is = +
Thus, the probability of events happening is given by (or ).
By the definition of probability,
() = / and () = /
Adding,
() + () = / + / = + / = / = 1
Therefore,
(or ) = () + ()
--The given question is incomplete; the complete question is
"What is the multiplication and addition theorem of probability? Explain with suitable examples."--
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The drawing shows three point charges fixed in place. The charge at the coordinate origin has a value of q1 = +8.00 µC; the other two have identical magnitudes, but opposite signs: q2 = -5.00 µC and q3 = +5.00 µC.
(a) Determine the net force (magnitude and direction(measured counter clockwise from the x-axis)) exerted on q1 by the other two charges
(b) If q1 had a mass of 1.50 g and it were free to move, what would be its acceleration?
(a) The net force equation on q1 is 10.6N towards q2. (b) The acceleration of q1 would be 6.8x10^7m/s^2.
a) The Coulomb's law equation for the force between two charges q1 and q2 is given by:
F = k(q1q2)/r2
Where k is the Coulomb's constant and r is the distance between the two charges.
Using this equation, the force on q1 due to q2 can be calculated as:
F12 = (8.99x109 N m2/C2)(8.00x10-6C)(-5.00x10-6C)/(1.00m)2
F12 = -44.8x10-6 N
Similarly, the force on q1 due to q3 can be calculated as:
F13 = (8.99x109 N m2/C2)(8.00x10-6C)(5.00x10-6C)/(2.00m)2
F13 = 55.2x10-6 N
The net force on q1 can be calculated as the vector sum of F12 and F13:
F1 = F12 + F13
F1 = 10.6N towards q2
b) The acceleration of q1 can be calculated using Newton's second law of motion:
F = ma
a = F/m
Where m is the mass of q1.
Therefore, the acceleration of q1 can be calculated as:
a = (10.6N)/(1.50g)
a = 6.8x107m/s2
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P.t 2 to Cho’s logo
Please help!!
the height of the stamp is 2/5in.
What is a fraction?
If the numerator is bigger, it is referred to as an improper fraction and can also be expressed as a mixed number, which is a whole-number quotient with a proper-fraction remainder.
Any fraction can be expressed in decimal form by dividing it by its denominator. One or more digits may continue to repeat indefinitely or the result may come to a stop at some point.
Given that stamp of Height is 3in with 4 1/2 in width.
So 9/2 of width = 3 Height
1 of width = 3/(9/2) Height
So for 3/5 in wide = 3/5* 3/(9/2) = 2/5in
Hence the height of the stamp is 2/5in.
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What is the quadratic polynomial whose sum and the product of zeroes is 2 â…“ respectively?.
Zero of the quadratic polynomial whose X²+3X+2 are -2 and -1.
Sum of zeros ( alpha + beta) = -3
Product of zeros ( alpha × beta) = 2.
Quadratic polynomial = X²-(alpha + beta)X+ Alpha× beta = X²-(-3)X+2.
= X²+3X+2 is the required quadratic polynomial.
A = 1 , b = 3 , C = 2
X²+ 3X +2
X² + 2X+ X + 2
X(X+2) +1 ( X+2)
(X+2). ( X+1)
X+2 = 0. X+1 = 0
X = -2. X= -1
Zero of the quadratic polynomial whose X²+3X+2 are -2 and -1.
A polynomial is described as an expression that consists of variables, constants, and exponents, which might be mixed with the use of mathematical operations along with addition, subtraction, multiplication, and department (No division operation by a variable).
In arithmetic, a polynomial is an expression that includes indeterminates and coefficients, that entail best the operations of addition, subtraction, multiplication, and fine-integer powers of variables. An instance of a polynomial of an unmarried indeterminate x is x² − 4x + 7.
Polynomials are sums of phrases of the form k⋅xⁿ, in which okay is any wide variety and n is a positive integer. for example, 3x+2x-5 is a polynomial. advent to polynomials.
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Complete Question:
Find a quadratic polynomial, the sum, and the product of whose zeroes are -3 and 2 respectively. hence find the zero
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The required coordinates of point Q are (-46/13, 50/13) lie on line PR.
What is a line?A line is a straight curve connecting two points or more showing the shortest distance between the initial and final points.
Here,
Let the coordinate of Q be (x, y)
Given PR with P(-6, -6) and R(-2, 10), it is on PR such that the ratio of PO to PR is 5:8,
Apply the Section formula.
x = mx₂ + nx₁ / m + n ; y = my₂ + ny₁ / m + n
m = 5 and n = 8
Put the values in the section formula along with points.
x = 5 × -6 + 8×-2 / 5 + 8 ; y = -6×5 + 8 × 10 / 8 + 5
x = -46/13 ; y = 50/13
Thus, the required coordinates of point Q is (-46/13, 50/13) lie on line PR.
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HELPPPPPPPPPPPPPPPPPPPPPPPPPPP
A sixth grade class is going on a field trip. The school is providing one sack lunch for each student. Each lunch has either a ham, turkey, or bologna sandwich along with either carrots or celery.
Identify which list below shows all the possible outcomes of sack lunches, and select the outcomes from that list that represent picking a ham or turkey sandwich with carrots if there are an equal number of each type of sack lunch and students are randomly selecting their lunch. Use this information to mark the probability on the number line.
Answer: List 2
Mark the midpoint between 1/6 and 1/2 (see diagram below)
======================================================
Explanation:
There are 3 meats (ham, turkey, bologna) and 2 vegetables (carrots, celery).
This gives 3*2 = 6 different combos of meat plus a vegetable. This is where we can only pick one of each type.
The 6 different combos are shown in list 2
List 1 is not correct because you can choose one vegetable only, and not have both.
----------
Look through list 2 and circle the options that say "ham, carrots" and "turkey, carrots". There are 2 items that are circled. This is out of 6 total.
We arrive at the probability 2/6 = 1/3
The fraction 2/6, aka 1/3, is located at the halfway point between 1/6 and 1/2. This is because 1/6+1/2 = 1/6+3/6 = 4/6, which divides in half to get 2/6.
See the diagram below.
What are the factors of 9x2 24x 16 *?.
Answer:81, 384
Step-by-step explanation:
9x2 is 18
you can count 9+9 which would be the same as 9*2. 24x16 is 384.
PLSSSHELP ASAP Determine which integers in the set S:{−40, −10, 20, 40} will make the inequality one fifth times the difference of m and five is less than or equal to one tenth times the difference of m and twenty false.
S:{−40, −10}
S:{−10, 20}
S:{20, 40}
S:{−40, 40}
Answer:
C) S: {20, 40}
Step-by-step explanation:
Given inequality:
[tex]\dfrac{1}{5}(m-5)\leq \dfrac{1}{10}(m-20)[/tex]
To solve the inequality, multiply both sides by 10:
[tex]\implies \dfrac{10}{5}(m-5)\leq \dfrac{10}{10}(m-20)[/tex]
[tex]\implies2(m-5)\leq m-20[/tex]
Expand the left side:
[tex]\implies 2m-10 \leq m-20[/tex]
Subtract m from both sides:
[tex]\implies m-10 \leq -20[/tex]
Add 10 to both sides:
[tex]\implies m \leq -10[/tex]
Therefore, the true solution set to the given inequality are values of m that are less than or equal to -10.
Therefore, the integers in the given set that make the inequality false are the values of m that are greater than -10:
S: {20, 40}What are the rules for plotting a graph?.
There are various rules for plotting a graph which includes having scale over X and Y axis.
The options for vertical bar charts are shown below. For horizontal bar charts, swap out "vertical" for "horizontal" and "horizontal" for "vertical."
1. A title ought to be at the top of the graph.
2. The vertical axis' scale has to be consistent and set to 0.
3. Utilise horizontal gridlines.
4. Each bar's definition ought to be listed on its label.
5. The label for the horizontal axis should include a description of the qualitative variable that the bar chart represents. In the event if the labels on each individual bar are sufficiently illustrative, a horizontal axis label is not required.
6. It should say "Count" or "Frequency" on the vertical axis.
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what is the circumfrence of this circle r = 2 km
Answer:12.57
Step-by-step explanation:
Given that radius of the circle= 2km
as we know the formula of circumference of the circle as
Circumference of the circle= 2* pi * radius
circumference of the circle = 2*pi*2
= 2* 22/7*2
=88/7
=12.57
Please answer this question with decent explanation. Thank you.
Answer: Transversal
Step-by-step explanation:
Altitude is in the triangle as it has vertexes shown by the line, Hypotenuse is the longside of the triangle which is shown, and the legs, every single triangle has legs, which leaves us with transversal which means a straight line that cuts a parrel line. Which isn't shown so that's the answer. Have a good day ;)
The population of a small town is decreasing at a rate of 7% per year. If the towns population is 12,259 now, what will be the population in 10 years? Around to the nearest whole number
The population of the town after 10 years will be, 5933
What is decrease rate?The decrease rate of a value measures its change from one period to another (month, quarter, year). It is very generally expressed as a percentage.
Given that, the population of a small town is decreasing at a rate of 7% per year. If the town's population is 12,259 now,
The decrease rate =
A = P(1-r)ⁿ
A = final population
P = initial population
r = rate
n = time
A = 12259(1-0.07)¹⁰
A = 5933
Hence, the population of the town after 10 years will be, 5933
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How do you multiply 3 mixed fractions?.
To multiply mixed numbers, first change them to improper fractions. Next, simplify, or reduce, the fractions by removing common factors. Then multiply the numerators, and multiply the denominators. Simplify, or reduce the answer if possible. Finally, if the answer is an improper fraction, you can change it back to a mixed number.
Now, According to the question:
A fraction represented with its quotient and remainder is a mixed fraction. For example, 2 1/3 is a mixed fraction, where 2 is the quotient, 1 is the remainder. So, a mixed fraction is a combination of a whole number and a proper fraction.
To multiply mixed numbers, first change them to improper fractions. Next, simplify, or reduce, the fractions by removing common factors. Then multiply the numerators, and multiply the denominators. Simplify, or reduce the answer if possible. Finally, if the answer is an improper fraction, you can change it back to a mixed number.
Here's an example of a multiplication problem with three mixed numbers:
[tex]3\frac{1}{3}[/tex] × [tex]5\frac{1}{4}[/tex] × [tex]1\frac{1}{2}[/tex]
= 10/3 × 21/4 × 3/2
By Simplification, we have:
=> 105/4
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What is the factored form of the following expression 9x² 30x 25?.
Yes, the trinomial 9z 30z + 25 is a perfect square. The square of the binomial equation can be used to construct a perfect square trinomial statement.
A trinomial of the form + bz + c is said to be a perfect square if and only if it satisfies the condition b = 4ac.In a perfect square trinomial, two of your words will be perfect squares. If two perfect square terms are absent, the trinomial is not a perfect square trinomial.
It is now necessary to calculate the square roots of each perfect square word, add the two square roots, and multiply the result by two. The square of this trinomial is perfect. Because both 922 = (3ae)° and 25 = 52 are perfect squares, the only thing left to decide is if the middle term matches when you square (3x-5).In order to at least produce a negative coefficient for the middle phrase, the minus sign was utilised.
Complete question:
What does the following equation, 9x2 30x 25, look like factored? . Is the trinomial 9x2 30x25 a perfect square?
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At which points are the functions y = f(x) and y = g(x) equal? What are the x-values of the solution?
The correct option regarding the solution to the system of equations is given as follows:
It is a solution to f(x) = g(x) because it is the x-coordinate where the two graphs intersect.
Hence the x-value of the solution is given as follows:
x = 3.
How to obtain the solution to the system of equations?We want to obtain the graphic solution for the system of equations, hence we obtain the point of intersection of the two equations.
The point of intersection in this problem has a x-coordinate of 3, hence the third option is the correct option.
Missing InformationThe complete problem is given as follows:
If x=3 is a solution to f(x)=x²-x and g(x)=2x, why is it also a solution to f(x) = g(x)
(1 point)
O It is a solution to f(x) = g(x) because it is the x-intercept of the two graphs
O it is a solution to f(x) = g(x) because it is the y-intercept of the two graphs.
O It is a solution to f(x) = g(x) because it is the x-coordinate where the two graphs intersect
O it is a solution to f(x) = g(x) because both graphs are positive at x = 3.
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O is the centre of the circle, work out the value of X.
Answer:
69
Step-by-step explanation:
The central angle is twice the inscribed angle. So the angle that is behind the one equal to 2x is equal to x. We know that the opposite angles in a circle add up to 180. Therefore, we can solve for x:
[tex]x + x + 42 = 180$^{\circ}$\\\\2x = 180$^{\circ}$ - 42$^{\circ}$\\\\2x = 138$^{\circ}$\\\\x = 69$^{\circ}$[/tex]
A chef bought 1.48 kilograms of almonds and 8.74 kilograms of pecans. How many kilograms of nuts did the chef buy in all?
I need help!!
Answer:
10.22 kilograms
Step-by-step explanation:
you do 1.48+8.74=10.22
The chef bought 10.22 kilograms of nuts in total.
To find the total amount of nuts the chef bought, we add the number of almonds to the number of pecans:
1.48 kg + 8.74 kg = 10.22 kg
So the chef bought 10.22 kilograms of nuts in total.
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