Mishka travels 230 kilometres in total on her road trip.
Mishka travels at a 65 km/hr average speed on the highway.
Mishka's time spent driving at this speed on the highway is 3 hours.
Mishka travels at an average rate of 35 km/h on the side road.
Driving at this speed on a side road took Mishka one hour.
Mishka travelled a total distance.
Having said that,
Speed equals Distance/Time
Or, Distance = Speed X Time.
Mishka travelled a total of Mishka miles on the roadway =
= Highway Speed X Highway Travel Time
= 65 X 3
= 195 km
Mishka travelled the following distance via side roads:
= Speed on side street X Travel time
= Speed on side road X Time taken on side road
= 35 X 1
= 35 km
Total distance travelled by Mishka = Distance travelled on highway + Distance travelled on side road
= 195 + 35
= 230 km
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A vector in standard position has its terminal point at (7, –4). what is the magnitude of the vector? startroot 3 endroot 3 startroot 65 endroot 65
Answer:
(c) √65
Step-by-step explanation:
You want to know the magnitude of the vector (7, -4).
Vector magnitudeThe magnitude of a vector is the root of the sum of the squares of its components.
|(7, -4)| = √(7² +(-4)²) = √(49 +16) = √65
The magnitude of the vector is √65.
Answer:
√65
Step-by-step explanation:
Mira ha breakfat at a retaurant. She leave a 20\%20%20, percent tip of \$1. 80$1. 80dollar ign, 1, point, 80
Therefore, the price of the complete meal is $9.00 before tax.
Percentage:
A figure or ratio stated as a fraction of 100 is called a percentage. Although the abbreviations "pct.", "pct.", and occasionally "pc" are also used, the percent symbol, "%," is frequently used to indicate it. A % is a number without dimensions and without a standard measurement.
As per the data given in the above question are as bellow,
The details provided are as follow,
Provided that 20% of the expense of breakfast is $1.8.
To calculate the total cost of the breakfast before the tip, we may apply proportions.
Set x as the price of a full breakfast:
Therefore 0.2 = 1.8
So, 1.0 = x
0.2x = 1.8 x 1.0
x = 1.8/0.2
x = 9
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Note: The correct question is as bellow,
Mira has breakfast at a restaurant. She leaves a 20%, percent tip of $1.80. What is the price of Mira's breakfast, before tip?
Uing the lope-intercept form, give the equation of the line if the y-intercept i (0,6) and the lope i 15. A x = 6y -15
B y = 15x 6
C x = 15y 6
D y = 6x - 15
The equation of the line if the y-intercept i (0,6) and the lope i 15 is:
B. y = 15x 6
Linear Equation SolutionThe equation of the line is given in slope-intercept form (y = mx + b) where m is the slope and b is the y-intercept. The y-intercept is the point where the line crosses the y-axis and is given as (0,6). Therefore, the value of b is 6. The slope is given as 15. Therefore, the equation of the line is y = 15x + 6. This equation means that for every unit increase in x, y increases by 15 units and the line passes through the point (0,6)
This method is applicable for other equations as well, as long as they are in slope-intercept form (y = mx + b). The slope-intercept form is a way to represent a linear equation where the slope and the y-intercept are known. If the equation is not in that form, it can be rearranged to make it so. Once the equation is in slope-intercept form, you can identify the slope and the y-intercept which can be useful in understanding the characteristics of the line such as its direction and position in the coordinate plane.
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here is an equation.
a+b=c
that given: a,b and c are different single-digit numbers
a,b=c are all even,
a,b=c are all positive,
a=6.
find the numbers b and c to make the equation true.
The numbers of a, b and c that make the equation true are given as follows:
a = 6, b = 2, c = 8.
How to obtain the values of a, b and c?The equation for this problem is defined as follows:
a + b = c.
The value of a is given as follows:
a = 6.
Hence:
6 + b = c.
b and c are single-digit even numbers, hence they can be obtained by trial and error as follows:
b = 0 -> c = 6, not possible as it would be equals to a.b = 2 -> c = 8, correct option.b = 4 -> c = 10, not possible as c would be a two digit number.More can be learned about equations at https://brainly.com/question/24808124
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Shawnece is solving the equation x/7 − 4 = −6. One of her steps is to multiply both sides of the equation by 7. Why?
Multiplying both sides by 7 undoes the division of x by 7 in the original problem
The negative sign in −6 must be changed to positive.
Multiplying both sides by 7 undoes the subtraction in the original problem.
Multiplying both sides by 7 undoes the addition in the original problem.
Multiplying both sides by 7 undoes the division of x by 7 in the original problem. Therefore, option A is the correct answer.
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
The given equation is x/7 -4=-6
The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.
Multiplying both sides of equation by 7, we get
x-28=-42
Add both sides of equation by 28, we get
x=-42+28
x=-42
Therefore, option A is the correct answer.
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which information is not sufficient to prove that a parallelogram is a square
a. The diagonals are both congruent and perpendicular.
b. The diagonals are perpendicular and one pair of adjacent sides are congruent.
c. The diagonals are congruent and one pair of adjacent sides are congruent.
d. The diagonals are perpendicular and one pair of adjacent sides are perpendicular.
The statement B. "The diagonals are perpendicular and one pair of adjacent sides are congruent." is not sufficient to prove that a parallelogram is a square.
A parallelogram is a quadrilateral with opposite sides that are parallel and equal in length. It has opposite angles equal in measure. The diagonals of a parallelogram bisect each other.
A square is a type of rectangle and a type of parallelogram. It is a four-sided polygon with all sides of equal length and all angles right angles. The opposite sides of a square are parallel and congruent, and opposite angles are congruent as well. The diagonals of a square are congruent and bisect each other. Additionally, the diagonals of a square are also perpendicular to each other.
Note that a rhombus also has congruent adjacent sides and perpendicular diagonals, but it's not a square.
Therefore, if the diagonals are perpendicular and one pair of adjacent sides are congruent, the parallelogram is not necessarily a square.
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please answer this it is urgent and due tomorrow morning
Answer: a) 190cm³
b) 76cm³
(refer to the image to see all the steps and workings I did related to these diagrams)
Is H2 one mole or two?.
H₂ is two moles.
The molecular mass of an element is described as the sum of the masses of all the atoms present in the molecule.
Molecular mass is acquired by adding the atomic masses of all atoms with the number of atoms in the molecule.
H₂ has two atoms, so a mole of H₂ would have 1 mole of H₂ molecules, and when broken down into atoms, 2 moles of atoms.
Think about it like pairs of shoes. If you have 6 pairs of shoes, you have 12 pairs of shoes.
CO₂ has 3 atoms, 2N₂0 has 3 atoms, and there are already 2 moles, so that would be 6 moles of atoms; 2NaCl has 2 atoms but again, that 2 indicates that you'd have 4 moles of atoms, and H₂SO₄ has 7 atoms.
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Write an equation that i parallel to the line y = 3x − 5 and pae through the point (-4,5)
Explanation:
The given equation y = 3x-5 is of the form y = mx+b
m = 3 = slopeb = -5 = y interceptParallel lines have the same slope, which means the answer also has a slope of 3.
Plug in the given point (x,y) = (-4,5) along with the slope m = 3 so we can determine the y intercept.
y = mx+b
5 = 3*(-4)+b
5 = -12+b
5+12 = b
17 = b
b = 17
We go from y = mx+b to y = 3x+17 as the final answer.
Rewrite $r\left(t\right)=\left(0. 88\right)^{4t}$ in the form $y=a\left(1r\right)^t$ or $y=a\left(1-r\right)^t$ to determine whether it repreent exponential growth or exponential decay. Round $a$ and $r$ to the nearet hundredth if neceary
We have exponential decay of roughly 40% per time unit.
We have to y=(0.88)^4t in the form y=a(1+r)^t or y=a(1−r)^t to determine whether it represents exponential growth or exponential decay. Round a and r to the nearest hundredth if necessary.
y=(0.88)^4t
y=1( (0.88)^4 )^t
y=1( 0.59969536 )^t
Set 0.59969536 equal to 1-r and solve for r
1-r = 0.59969536
-r = 0.59969536-1
-r = -0.40030464
r = 0.40030464
r = 0.40
This means we have,
y=a( 1 - r )^t
y=1( 1 - 0.40 )^t
which means a = 1 and r = 0.40 approximately
We have exponential decay of roughly 40% per time unit.
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What is substitution method in solving?.
In mathematics, the system of equations is typically solved using the substitution method. In this approach.
The first step is to solve the equation for one variable and then insert the variable's value into the other equation.
With an example, what is the substitution method?x+y=20 ___ (1) and x=10 ___ (2) are given. x = 20-y is what we get from equation 1. To determine the value of y, substitute this value in equation 2. Now, substitute the value of y in equation 1, and we obtain x=15, which corresponds to x+5=20.
How does the substitution formula work?In algebraic expressions, substitution refers to the process of replacing the variables (letters) with their numerical values. The expression's total value can then be calculated.
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What is the name of Σ?.
The Greek letter Sigma (Σ) is a mathematical symbol used to represent the sum of a series. It is also used to denote standard deviation and other statistical terms, and is the eighteenth letter of the Greek alphabet.
The symbol is written as a capital letter Σ, and is used to indicate the summation of a set of numbers, with a subscript indicating the range. For example, Σ1-10 would indicate the sum of numbers from one to ten.
Sigma can also be used to represent a group of numbers' standard deviation. To do this, the sigma symbol is written with a subscript indicating the range, and the square root of the variance of the set is calculated.
In summary, the sigma symbol is used to represent the sum of a series, as well as to denote standard deviation and other statistical terms. It is written as the capital letter Σ, and is usually followed by a subscript to indicate the range of the summation or standard deviation.
Complete answer:
What is the name of Σ?
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At a college, 20% of students speak Spanish, 6% speak French, and 4% speak both languages. What is the probability that a student chosen at random speaks Spanish but not French?
The probability that a student chosen at random speaks Spanish but not French is 0.66
What is probability ?
Probability can be defined as the ratio of number of favourable outcomes and total number of outcomes.
Given ,
At a college, 20% of students speak Spanish, 6% speak French, and 4% speak both languages.
Conditional probability
let P(I) = 0.06, P ( S & I) = 0.04 and P (S) = 0.20
Finally to find P ( S given I )
we use the theorem
P ( S given I ) = P (S & I) / P (I)
= 0.04 / 0.06
= 4/6
= 2/3 = 0.66
Hence, The probability that a student chosen at random speaks Spanish but not French is 0.66
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Two step equation that equals 13
Following are the different equations, for which the value of equals 13.
There are numerous mathematical formulae that could all equal 13. The following phrases all equal 13.
9+ 4 = 13
15-2 = 13
1 × 13 = 13
Let's think about some intriguing expressions right now.
x³ - x² + x + 7
The equation will equal 13 if the value of x is 2.
A word puzzle states that Shiya has 10 balls and Riya has 3 more than Tom. How many balls does Ria possess?
Let x represent the quantity of Balls Shiya owns.
Shiya has 10 Balls, thus x is equal to 10, and Ry has x+3 Balls.
As a result, Riya has = x + 3 = 10 + 3 = 13 Balls.
Therefore, Riya has 13 Balls total.
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Questions 4,5,6, please.
Hope it helps. To know the values of all trigonometric ratios, see the table.
If you have any query, feel free to ask.
6 as an addition of two whole number
Answer:
4 and 2?
Step-by-step explanation:
4+2=6 im pretty sure thats what you mean
please answer quick!
Answer:
24 because every 1 cup of flour equals 24 number of cookies so it keeps on adding up eg. 6 cups of flour would equal 144 cookies.
95 divided by 2?? Please help!
Answer:
47.5
Step-by-step explanation:
95 divided by 2 is equal to 47 with a remainder of 1.
To divide 95 by 2, you need to perform long division.
Here's the step-by-step process:
Write the dividend (95) inside the division bracket, and the divisor (2) outside the bracket.
Place the quotient above the division bracket.
__
2 | 95
Start with the leftmost digit of the dividend (9) and divide it by the divisor (2). Since 9 is smaller than 2, we move to the next digit.
__
2 | 95
4
Bring down the next digit of the dividend (5) to the right of the remainder
(1) obtained from the previous step.
__
2 | 95
4 1
Divide 15 by 2. The quotient is 7, and the remainder is 1.
__
2 | 95
47 1
Since there are no more digits in the dividend, we have completed the division.
The quotient is 47, and the remainder is 1.
Therefore, 95 divided by 2 is equal to 47 with a remainder of 1.
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Students in Mrs. Barnes’s class determined the probability that she will check homework on a randomly chosen day is 0.42. They also determined the probability that she will give a pop quiz when she checks homework is 0.6, and the probability that she will give a pop quiz when she does not check homework is 0.9. The probabilities are displayed in the tree diagram.
A tree diagram. Random day goes to checks homework and does not check homework. The arrow to checks homework is 0.42, and does not check homework is 0.58. Checks homework to pop quiz, 0.60; checks homework to no pop quiz, 0.40. Does not check homework to pop quiz, 0.90; does not check homework to no pop quiz, 0.10.
What is the probability that Mrs. Barnes checks homework if the students take a pop quiz?
0.25
0.33
0.67
0.77
The probability that Mrs. Barnes checks homework if the students take a pop quiz is 0.77, the correct option is D.
What is the probability?Probability refers to a possibility that deals with the occurrence of random events.
The probability of all the events occurring need to be 1.
The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.
P(E) = Number of favorable outcomes / total number of outcomes
Given;
Mrs. Barnes’s class determined the probability that she will check homework on a randomly chosen day is 0.42;
They also determined the probability that she will give a pop quiz when she checks homework is 0.6, and the probability that she will give a pop quiz when she does not check homework is 0.9;
Then the probability that Mrs. Barnes does not check homework if the students take a pop quiz;
P= 0.42*0.60 + 0.58*0.90
P = 0.252 + 0.522
P = 0.774
P ≈ 0.77
Therefore, the probability will be 0.77
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Answer this functions question
Answer:
x=0
Step-by-step explanation:
You want the value of x that cannot be in the domains of either f(x) = 2/x or g(x) = (x+1)/x.
DomainThe domain of a function is the set of input values for which the function is defined.
These functions f(x) and g(x) are "undefined" when x=0, because that would cause division by zero.
x cannot be zero
NEED THESE ANSWERED NOW!!!! PLEASE 10 POINTS
IM BEGGING
Answer:
Step-by-step explanation: 122x2=144
Answer: x = 12, - 12
Step-by-step explanation:
Malika models the volume of a popcorn box as a right rectangular prism and the box
can hold 35 cubic inches of popcorn when it is full. Its length is 2 in and its width is
2% in. Find the height of the popcorn box in inches. Round your answer to the
nearest tenth if necessary.
The height of the popcorn box is 8.75 inches.
What is the rectangular prism?
A rectangular prism is a three-dimensional geometric shape with six rectangular faces. It is also known as a rectangular cuboid, or simply a cuboid. It has three dimensions: length, width, and height. It can be represented by the formula: V = lwh where l is the length, w is the width, and h is the height.
We can use the formula for the volume of a rectangular prism to solve this problem. The formula is:
V = l * w * h
where V is the volume, l is the length, w is the width, and h is the height. We know that the volume of the box is 35 cubic inches and that the length and width are 2 inches each. So we can substitute those values into the formula and solve for h:
35 = 2 * 2 * h
To find h, we'll divide both sides of the equation by 4.
h = 35/4 = 8.75
Hence, the height of the popcorn box is 8.75 inches.
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How many solutions does equation x1 x2 x3 11 have where x1 x2 and x3 are non negative integers?.
The number of solutions to an equation x₁ + x₂ + x₃ = 11 are 55
Consider given equation x₁ + x₂ + x₃ = 11,
wherex₁, x₂, and x₃ are non-negative integers.
We can oberve that x₁ is the number of ones before the first zero, x₂ the number of ones between the first and the second zero, x₃ is the number of ones after the second zero.
So, we can say that there is a one to one correspondence between the solutions and reorderings of 11 ones and 2 zeros.
So, the number of solutions to given equation would be,
n = ¹¹C₂
Using combination formula [tex]^nC_r=\frac{n!}{r!\times(n-r)!}[/tex],
¹¹C₂ = 11! / (2! × (11 - 2)!)
¹¹C₂ = 55
So, n = 55
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The complete question is:
How many solutions does equation x₁ + x₂ + x₃ = 11 have where x₁, x₂, and x₃ are non negative integers?.
Which of the following expressions is equivalent to 2 exponent -4
Answer:
Step-by-step explanation:
2^-4=0.0625
we can divide by any number to to make an equivalent expression. (Note it is more easier when it is not a repeating decimal.)
we can do 0.0625/2= 0.03125 with this answer we can make an equivalent expression
1(0.03125+0.03125)=0.0625
[tex]\huge\text{Hey there!}[/tex]
[tex]\mathsf{2^{-4}}[/tex]
[tex]\mathsf{= \dfrac{1}{4 \times 4 \times 4 \times 4}}[/tex]
[tex]\mathsf{= \dfrac{1}{2^4}}[/tex]
[tex]\mathsf{= \dfrac{1}{2 \times 2 \times 2 \times 2}}[/tex]
[tex]\mathsf{= \dfrac{1}{4 \times 4}}[/tex]
[tex]\mathsf{= \dfrac{1}{16}}[/tex]
[tex]\huge\text{Therefore, your answer could possibly be: }[/tex]
[tex]\huge\boxed{\mathsf{\dfrac{1}{16}}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
Determine whether the two expreion are equivalent. 1) 3a 6 5a and 8a 6
2) 5c - 4c c and 3c
3) 8x 8 - 4x - 3 and 16% - 7
The process of multiplying a number or expression by itself a certain number of times, known as its exponent.
1) 3a + 6 = 5a
3a + 6 - 5a = 0
-2a = 0
a = 0
2) 5c - 4c = c
5c - 4c - c = 0
c = 0
3) 8x8 - 4x - 3 = 16% - 7
8x8 - 4x - 3 - 16% + 7 = 0
64x - 3 - 16% = 0
64x - 3 - 16/100 = 0
64x - 0.16 = 0
64x = 0.16
x = 0.0025
Exponents are a way to represent repeated multiplication of a number by itself. To solve an equation with an exponent, we must simplify the expression by breaking down the exponent into its component parts, and then simplify the equation by solving for the variable. We can then solve for the exponent by substituting the value of the variable into the equation. For example, if we had an equation of 3a + 6 = 5a, we would first subtract 5a from both sides to get -2a = 0. We can then substitute that value into the equation to get a = 0. Exponents can be a useful tool to quickly solve equations, but can also be tricky to solve if you don't know the basics of algebra.
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The average of 12, 21 and $x$ is 18. What is the value of $x$?
Whitney drink 1,500 mL of water each day troy drink 1. 8 L of water each day
Who drink more water?
By how much water?
The person who drink more water is Troy and he drinks 0.3 L more than Whitney
What is unit conversion?It is the transformation of a value expressed in one unit of measurement into an equivalent value expressed in another unit of measurement of the same nature.
To solve this problem, we have to do the conversion of units with the given information:
Information about the problem:
Whitney = 1500 mLTroy = 1.8 L1 L is equal to 1000 mLBy converting the unit from mL to L, we have:
1500 mL * (1 L / 1000 mL ) = 1.5 L
Comparing the volume of water that Whitney and Troy drink we have:
1.8 L > 1.5 L
Troy > Whitney
Troy drinks more water than Whitney
Calculating how much water Troy drinks more, we get:
Volume difference = Troy - Whitney
Volume difference = 1.8 L - 1.5 L
Volume difference = 0.3 L
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What is the base of 2?.
The base of 2 is a binary number. This means it is comprised of only 0's and 1's.
A binary number is a number represented in the base-2 numeral system or binary numeral system, a method of a mathematical term which uses only two symbols: typically "0" (zero) and "1" (one).
A binary number system is one of the types of the number system. In computer applications, where only two symbols or digits represent binary numbers, i.e. 0 (zero) and 1(one). The binary numbers here are represented in the base-2 numeral system. For example, (101)₂ is a binary number. Each digit in this system is stated to be a bit.
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What is the area of equilateral ∆ having side 12 cm?.
To find the area of an equilateral triangle with side 12 cm, we can use the formula:
Area = (√3/4) * (side length)^2
Substituting the value of the side length, we get:
Area = (√3/4) * 12^2
Area = (√3/4) * 144
Area = (√3/4) * 1212
Area = (√3/4) * 1212 = (√3/4)144 = (√3)12(12/4) = (√3)123 = 1212*√3 cm^2
So, the area of the equilateral triangle is 1212√3 cm^2.
Solve this for me please x
From the given shapes, The value of c and d are 4 and 6.
What is Shapes?An region in two dimensions known as a shape is determined by a collection of lines, curves, or angles.
The locations of its points define its perimeter.
Geometric (such as a square, triangle, circle, etc.) or organic (such as free-form) shapes are both possible. Images, symbols, and designs are all made out of shapes in art and design.
According to its attributes, such as area, perimeter, and angle, forms are characterised and categorised in mathematics.
Space, such as that found in a plane or in three dimensions, can also be described by shape.
To construct things like bridges and buildings, architects and engineers use forms.
Objects and their interactions with one another are described by forms in physics.
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