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3 years ago

Find the surface area of this rectangular prism. Be sure to include the correct unit in your answer.

Mathematics

2 answers:

dsp733 years ago

6 0

I think this would be 136

natta225 [31]3 years ago

4 0

136 I think
Hope this helps you

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The smiths plan to recarpet their family room, which measures 15 ft. by 20 ft. how many square yards of carpet are needed? 30 33

BaLLatris [955]

15x20=300
300 square feet is 33.33333333333333333333333333333333333 square yards (divide by 9)
the answer is 33

6 0

3 years ago

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If B is the midpoint of AC, and AC= 8x-20, find BC.

Semmy [17]

Answer:

BC = 4x-10

Step-by-step explanation:

$\because B$ is the midpoint of AC.

$\therefore BC = \frac{1}{2} AC$

$\therefore BC = \frac{1}{2} (8x-20)$

$\therefore BC = \frac{1}{2} \times 2(4x-10)$

$\huge \purple {\boxed {\therefore BC = 4x-10}}$

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3 years ago

What is the area of a circle with a radius of 42 in use 3.14 for pi

Vanyuwa [196]

The right answer is 5538.96 units^2

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6 0

3 years ago

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What is 5(2 + x) = 5 ?

Alex787 [66]

5(2+x)=5

or, 10+5x=5

or, 5x= -5

or, x= -1

Hope it helps

8 0

3 years ago

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Need help with 9 please

Debora [2.8K]

Answer:

x = 5

y = 1

Step-by-step explanation:

So move 2y from the second equation to the other side of the equals sign

2x +3y = 13

x = 3 + 2y

From here substitute X into the first equation

2(3 + 2y) + 3y = 13

Distribute

6 + 4y +3y = 13

Combine like terms and solve for y

7y = 7

y = 1

insert result into the original equation.

x-2(1) = 3

x - 2 = 3

x = 5

insert into other equation to check work

2(5) + 3(1) = 13

10 + 3 = 13 correct

6 0

3 years ago