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3 years ago

Find the total surface area of this cuboid.

Mathematics

1 answer:

-Dominant- [34]3 years ago

8 0

Step-by-step explanation:

I just learned this in class lol

Find the area of all the sides.

This cubiod has 6 sides.

6 x 5 = 30

4 x 5 = 20

6 x 4 = 24

30 + 30 + 20 + 20 + 24 + 24 = 148

Thefore, the surface area of this cuboid is 148.

Hope this helps! If it did, please mark it as brainliest! It would help a lot! Thanks! :D

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Answer:

Part a) Wayne's savings before he spent $28 was $31.08

Part b) Stef's savings after she spent $28 was $9.29

Step-by-step explanation:

Part a)

Let

x ----> original amount of Wayne's savings

y ----> original amount of Stef's savings

we know that

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substitute equation A in equation B

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The original amount of Wayne's savings was $31.08 and the original amount of Stef's savings was $37.29

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Part b) Find Stef's savings after she spent $28

Subtract $28 from the original savings

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therefore

Stef's savings after she spent $28 was $9.29

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