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3 years ago

120 is 15% of what number

Mathematics

2 answers:

son4ous [18]3 years ago

6 0

120 = 15% x

15% = 0.15

x = 120 / 0.15 = 800

choli [55]3 years ago

5 0

Its .15 because you multiply then divide by 100

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patriot [66]

Answer:

The chosen topic is not meant for use with this type of problem. Try the examples below.

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6 x + 2 y = 8

x − y + 4 = 8

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Step-by-step explanation:

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3 years ago

Please answer this multiple choice question correctly for 30 points and brainliest!!

Softa [21]

Answer:

B. 88°

Step-by-step explanation:

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(122/500)×360° = 87.84° ≈ 88°

7 0

3 years ago

There are 12 months in a year.

erica [24]

Answer:

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3 years ago

The green triangle is a dilation of the red triangle with a scale factor of s=1/3 and the center of dilation is at the point (4,

klasskru [66]

Given:

The scale factor is $s=\dfrac{1}{3}$ and the center of dilation is at the point (4,2).

Red is original figure and green is dilated figure.

To find:

The coordinates of point C' and point A.

Solution:

Rule of dilation: If a figure is dilated with a scale factor k and the center of dilation is at the point (a,b), then

$(x,y)\to (k(x-a)+a,k(y-b)+b)$

According to the given information, the scale factor is $\dfrac{1}{3}$ and the center of dilation is at (4,2).

$(x,y)\to (\dfrac{1}{3}(x-4)+4,\dfrac{1}{3}(y-2)+2)$ ...(i)

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Using (i), we get

$C(-2,11)\to C'(\dfrac{1}{3}(-2-4)+4,\dfrac{1}{3}(11-2)+2)$

$C(-2,11)\to C'(\dfrac{1}{3}(-6)+4,\dfrac{1}{3}(9)+2)$

$C(-2,11)\to C'(-2+4,3+2)$

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$A(m,n)\to A'(\dfrac{1}{3}(m-4)+4,\dfrac{1}{3}(n-2)+2)$

From the given figure it is clear that the image of point A is (8,4).

$A'(\dfrac{1}{3}(m-4)+4,\dfrac{1}{3}(n-2)+2)=A'(8,4)$

On comparing both sides, we get

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$\dfrac{1}{3}(m-4)=8-4$

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$\dfrac{1}{3}(n-2)+2=4$

$\dfrac{1}{3}(n-2)=4-2$

$(n-2)=3(2)$

$n=6+2$

$n=8$

Therefore, the coordinates of point A are (16,8).

5 0

3 years ago

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Rashid [163]

The answer for that is 24.

3 0

3 years ago

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