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2 years ago

Can someone please help meeee worth 20 points

Mathematics

2 answers:

STatiana [176]2 years ago

4 0

Answer: 23%!

Step-by-step explanation:

Kobotan [32]2 years ago

4 0

Answer:

27%

Explanation:

8/30 (8 juniors overall 30 total students)

=0.266 or 27% rounded to the whole number

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What is the solution to the linear equation d-10-2d+7=8+d-10-3d

bija089 [108]

D-10-2d+7 = 8 + d- 10 -3d
d-2d-10+7 = 8-10 +d -3d
-d-3=-2-2d
-d+2d=3-2
d=1

Final answer: C. d=1

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2 years ago

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Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in th

KATRIN_1 [288]

Answer:

I'm 99% sure the answer is A

Step-by-step explanation:

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2 years ago

What is the slant height of a square pyramid that has a surface area of 319 square feet and a side length of 11 feet?

Dafna1 [17]

Step-by-step explanation:

Surface area of a square pyramid is the area of the square base plus the area of the four triangles made from the base and the slant height.

SA = s² + 4(sh/2)

which reduces to:

SA = s² + 2sh

You are told that s = 11 and SA = 319. You can now solve for h:

319 = 11² + 2(11)h

319 = 121 + 22h

198 = 22h

h = 9 ft (answer C)

I hope it's helpful!!

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2 years ago

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._. Help me please I’m putting my faith in this app.

IRINA_888 [86]

Vas happenin!
Hope your day is going well
I think it’s A
Sorry if it’s wrong
Hope this helps *smiles*

8 0

2 years ago

In the figure above, square ABCD and triangle EFG have the same areas. If AB =6 and EG =8, what is the height o triangle EFG?

lawyer [7]

Answer:

The height of triangle EFG is 9 units

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the area of a square ABCD

The area of a square is equal to

$A=b^2$

where

b is the length side of the square

we have

$b=AB=6\ units$

substitute

$A=6^2=36\ units^2$

step 2

Find the height of triangle EFG

The area of triangle EFG is equal to

$A=\frac{1}{2}(b)(h)$

where

b is the base of triangle

h is the height of triangle

we have

$b=EG=8\ units$

$A=36\ units^2$ ---> area of triangle EFG is the same that the area of square ABCD

substitute the given values in the formula

$36=\frac{1}{2}(8)(h)$

solve for h

$36=4h\\h=9\ units$

therefore

The height of triangle EFG is 9 units

3 0

3 years ago