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3 years ago

12

Help ill give brainiest, dont guess. first answer gets brainiest

1 answer:

Illusion [34]3 years ago

6 0

Answer:

8. Surface area = 85.5cm^2

9. Volume = 45.5cm^3

Step-by-step explanation:

8. A=2(wl+hl+hw)=2·(2·6.5+3.5·6.5+3.5·2)=85.5

9. V=whl=2·3.5·6.5=45.5

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6. A prism has bases that are equilateral triangles with sides lengths of 10 inches and a length of 30 inches.

eimsori [14]

Answer:

The volume of the prism is $1,299\ in^{3}$

Step-by-step explanation:

we know that

The volume of the prism is equal to

$V=BL$

where

B is the area of the triangular base

L is the length of the prism

we have

$L=30\ in$

<em>Find the area of the base B</em>

The area of a equilateral triangle is equal to

$B=\frac{1}{2}(10)^{2} sin(60\°)$

$B=25\sqrt{3}\ in^{2}$

substitute

$V=(25\sqrt{3})(30)=1,299\ in^{3}$

8 0

3 years ago

Determine the equation of the line given by the graph. A) y = 5 3 x − 4 B) y = 3 5 x − 4 C) y = − 5 3 x + 4 D) y = − 3 5 x + 4

GalinKa [24]

Answer:

Where is the Graph?

Step-by-step explanation:

3 0

3 years ago

Harry collected data from a random sample of seventh graders at his school. Out of 25 respondents, 10 of them ride the

Lera25 [3.4K]

Answer:

10/25=×/150

x=60

so 60 students

8 0

3 years ago

60 = −2(−10 − 4x)<br> what is the answer show step by step

Papessa [141]

That’s the answer with steps

8 0

3 years ago

Read 2 more answers

What is the median of the following list of numbers?

Novay_Z [31]

Answer:

The answer is 11.

Step-by-step explanation:

First, you put all of the numbers in order, from 7 - 19.

You find the median. You should get 11 and 11.

You add the numbers up to get 22 and divide by 2.

5 0

3 years ago