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alexgriva [62]
3 years ago
8

Find the length of x?

Mathematics
1 answer:
densk [106]3 years ago
6 0
If we assume the triangles are similar, then
.. 15/10 = x/8
.. x = 8*(15/10) = 12
You might be interested in
If a line has a slope of -4, what is the y-intercept if it also passed through the point (-2, 7)?
slamgirl [31]

Answer:

i dont get it

Step-by-step explanation:

3 0
3 years ago
Find the median of 6,2,0,1,1,2,3,2,0,2,3,4,2,3,5
neonofarm [45]
The median is 2
Median = Middle

First, arrange the numbers from lowest -> highest

This would be:
0, 0, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 4, 5, 6

Now, strike off one number from each side (so 0, then 6, then 0, then 5) until you are only left with one or two numbers.

If you are left with one number, that is your median!

If you are left with two numbers, than you add them together, then divide that number by 2 (for example if you were left with 7 and 8, 7+8=15. 15/2=7 1/2)

In this case, you are left with one number, 2, so 2 is your median.
I hope this helped!
7 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!
wel

Answer:

Mike is not right

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its surface areas is equal to the scale factor squared

Let

z----> the scale factor

x----> surface area of the enlarged rectangular prism

y-----> surface area of the original rectangular prism

z^{2}=\frac{x}{y}

so

In this problem we have

z=2

substitute

2^{2}=\frac{x}{y}

4=\frac{x}{y}

x=4y

so

The surface area of the enlarged rectangular prism is 4 times the surface area of the original rectangular prism

therefore

Mike is not right

<em>Verify with an example</em>

we have a rectangular prism

L=5\ m

W=2\ m

H=3\ m

The surface area of the prism is equal to

SA=2(LW)+(2L+2W)H

substitute the values

SA=2*(5*2)+(2*5+2*2)*3=62\ m^{2}

If he doubles each dimension of any rectangular prism

then

the new dimensions will be

L=5*2=10\ m

W=2*2=4\ m

H=3*2=6\ m

The new surface area will be

SA=2*(10*4)+(2*10+2*4)*6=248\ m^{2}

248/62=4

therefore

The surface area of the enlarged rectangular prism is 4 times the surface area of the original rectangular prism

8 0
3 years ago
3. Lengths of 3 ft and 9 ft are cut from a board of length 12 ft.<br> What length of board remains?
Georgia [21]

Answer:

0

Step-by-step explanation:

3+9=12

12-12=0

4 0
4 years ago
What are all the possible cross sections of a cone
natita [175]

Answer:

big

Step-by-step explanation:

2

5 0
3 years ago
Read 2 more answers
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