3 years ago

Find the surface area

Mathematics

1 answer:

Bond [772]3 years ago

6 0

Answer: 109,200

Step-by-step explanation: 10x8x7x15x13=109,200

Surface area is multiplying and adding all numbers shown

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The area of a square room is 16x^2+72x+81. what is the length of one side of the room

maxonik [38]

To find this you know that the A of a square = s^2

So the length of one side equals $s = \sqrt{16 x^{2} +72x+81}$

Since this is a perfect square, it would equal $A = (4x+9)^{2}$

And $s = \sqrt{(4x+9)^{2}} = 4x+9$

Also you know it is a perfect square because the first and last terms are perfect squares :) :D

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2 years ago

21.

djyliett [7]

Answer:

4.8

Step-by-step explanation:

add all values and divide it by 5

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2 years ago

Amy usually swims 20 laps in 30 minutes what is her rate per minutes

Karo-lina-s [1.5K]

Answer:

1.5

Step-by-step explanation:

Because if you divide 30 by 20 you get 1.5 to check if it’s correct you multiple 1.5 by 20

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2 years ago

An adult blue whale can eat 4.0 x 10^7 krill in a day. At that rate, how many krill can an adult blue whale eat in 3.65 x 10^2 d

prisoha [69]

4.0 x 10^7 = <span>40000000
</span>3.65 x 10^2 = <span>365
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Hope this helps!!

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3 years ago

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Help please! the picture is below!

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The answer would be B

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