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Nata [24]
3 years ago
8

How do you find the total surface area of a cuboid?

Mathematics
1 answer:
Ann [662]3 years ago
5 0

Answer: you multiply then add.

Step-by-step explanation:

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The length of a rectangle is 8 inches more than three times the width. the perimeter is 88 inches. find the length and width.
Sav [38]
We can say L as length and W as the width 

L= 3w + 8 

The formula for perimeter is 2L + 2W = P. We can substitute L in as "3w+8" to make the equation... 

2(3w+8)+2w=88        Now, we can simplify by distributing the 2 to each term
6w+16+2w=88
8w+16=88               Then subtract 16 from each side..
8w=72
w=9

So the width is 9, so we can substitue that into the previous equation, L = 3w+8. 

L=3(9)+8
L=27+8
L=35, W=9



5 0
3 years ago
Please help asap!!!!!
Morgarella [4.7K]

Answer:

the area = 25

Step-by-step explanation:

a= side length x side length

a = 5 x 5

a = 25

8 0
3 years ago
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slamgirl [31]

Answer:

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Step-by-step explanation:

4 0
2 years ago
The length of a rectangle is 5 times the width. If the perimeter is to be greater than 36 meters. What are the possible values f
Lostsunrise [7]

Answer:

  The width must be greater than 3 meters.

Step-by-step explanation:

Let w represent the width. Then 5w will represent the length, which is 5 times the width. The perimeter is the total of the side lengths of the rectangle, so is ...

  P = 2w + 2(5w) = 12w

We want this to be greater than 36 m, so ...

  P > 36 m

  12w > 36 m . . . . . . . substitute our expression for P

  w > 3 m . . . . . . . . . . divide by 12

The possible values for width are those values that are more than 3 meters.

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3 years ago
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