3 years ago

Find the surface area of a right rectangular prism with a height of 7 cm, a length of 4 cm and a width of 6 cm

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

8 0

Answer:

Step-by-step explanation:

you do the length x width x height

Ber [7]3 years ago

5 0

188cm^2
or 188 centimeters squared
just make sure to put the exponent of 2 at the end

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Please help me asap. I need an answer and full explanation. 1st person to complete that gets Brainliest. Question: Amelia likes

Zielflug [23.3K]

Answer:

22 cards

Step-by-step explanation:

Set up a ratio.

$\frac{34}{29+x} =\frac{2}{3}$

$58+2x=102$

$2x=44$

$x=22$

Check: Add 22 to 39. 22+29=51

34/51 = 2/3

Have a great day

3 0

2 years ago

The rectangle shown has a perimeter of 156 cm and the given area. Its length is 6 more than five times its width.

Stells [14]

P=156 cm
l=6+5w
P=2(l+w)
156=2(6+5w+w)
156=2(6+6w)
156=12+12w
12+12w=156
12w=156-12
12w=144
w=12cm

l=6+5•12
l=6+60
l=66cm

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2 years ago

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Nastasia [14]

First one the answer is A; Alexander needs 70 ft

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3 years ago

Ms. Jan brought in cookies for her class. She gave out half of them in the morning. At lunch, she gave out 12 more. She then had

Olegator [25]

Answer:

Step-by-step explanation:

if she had 10 left at the end and you add the other half from lunch which is 12, then that gives you 22. Since before lunch she had half (22), all you gotta do is add the other half which is 22. 22+22=44 and that's your answer.

6 0

3 years ago

Nine times the sum of a number and 4 is 3. Use the variable w for the unknown number

DENIUS [597]

9(w+4)=3
9w+36=3
w=-33/9

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3 years ago