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alex41 [277]
3 years ago
11

Find the surface area of each rectangular prism given its length, width, and height. Choose the correct answers.

Mathematics
2 answers:
Jet001 [13]3 years ago
8 0
To answer this question we have to go through each answer, and use this equation:
(a = area, w = width, l = length, h = height)
a=2(wl+hl+hw)
to solve, and see if it's correct.

A) a=2(9·4+3·4+3·9) = 150
<span>Correct!

</span>B) a=2(3·7+4·7+4·3) = 122
Incorrect.

C) a=2(5·8+5·8+5·5) = 210
Incorrect.

D) a=2(7·5+6·5+6·7) = 214
Correct!

The correct answers are A, and D. 

Hope this helped! Please comment or DM me if you have anymore questions. :)
ZanzabumX [31]3 years ago
6 0

Answer:

A and D

Step-by-step explanation:

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SECOND TIME ASKINGAt a summertime poolside snack bar, 200 ice cream scoops were sold in one day. Double scoops were sold for $1.
Snezhnost [94]

<em>What we know: </em>

200 ice cream scoops sold in one day

$1 for Single scoop

$1.25 for Double scoop

Proceeds $221.75

<em>What we want to know:</em>

We want to account for Double scoops($1.25) and Single scoops($1) and end up with exactly <u><em>200 ice cream scoops.</em></u> So if we have exactly 200 how many of each cone were sold.

<em>Reference:</em>

100 x $1= $100

100 x $1.25= $125

200 x $1= $200

200 x $1.25= 250

<em>Work:</em>

So using the reference above we can see that if you split 200 even we get $225 which is very close to $221.75.

So $225-$221.75= 3.25

If we have 117 and 83 we get 220.75 so how do we get that 1 dollar more. tax i guess....





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Step-by-step explanation:

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