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3 years ago

25 is 32% of what number?

2 answers:

8 0

You can solve that by cross multiplication.
If 25 is 32%, then x is 100%:
25/32 = x/100
25*100 = 32*x
x = 25*100/32 = 78.125

To check the solution: 78.125*(32/100)=25

For this kind of question you just have to multiply times 100/percentage, that's what you always arrive to with the cross multiplication.
So if they asked you, 50 is 25% of what? You'd do 50*(100/25) = 200.
It's the reverse of finding the percentage of a number.

Maurinko [17]3 years ago

4 0

You would set up the proportion 25/X= 32/100.
25*100 is 2500, 32*x is 32x
2500 = 32x
/32 /32 dividing by 32 on both sides
78.125 = x

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Which of the triangles shown are scalene triangles?

sergij07 [2.7K]

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<h3>What is a Scalene Triangle?</h3>

A scalene triangle is a triangle whose three angles are unequal and also has three unequal sides.

This means that any two sides or two angles of a scalene triangle must not be equal.

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2 years ago

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3 years ago

According to the key of a particular park map, every 8 inches on the map represents 3 miles of trails in the park. How many inch

MA_775_DIABLO [31]

Answer:

24 inches represents 9 miles in the map

Step-by-step explanation:

To solve this problem you take into account that 8 inches represents 3 miles and that x represent the number of inches for 9 miles. That is:

8 ------- 3

x ------- 9

This is simply a rule of three, then you calculate:

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3 years ago

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Which transformation will map figure Honto figure H? (1 point)

podryga [215]

Answer:

2) Vertical translation of 10 units

Step-by-step explanation:

Given

H and H'

Required

Which maps H to H'

First, we pick the coordinate of any point on H

$H(x,y) = (4,2)$

First, we pick a corresponding coordinate on H'

$H'(x,y) = (4,-8)$

The above coordinates show that H and H' are not a reflection of one another because neither of the x or y coordinates negate one another.

By looking at the coordinates of H and H, we have:

H: $x = 2$ and H': $x = 2$ --- The same x coordinates

H: $y = 2$ and H': $y = -8$ --- Different y coordinates

The difference between the y coordinates is:

$Difference = H(x) - H'(x)$

$Difference = H(2) - H'(2)$

$Difference = 2 - (-8)$

$Difference = 2 +8$

$Difference = 10$

Hence,

<em>2) Vertical translation of 10 units </em> is correct.

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3 years ago