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babymother [125]
2 years ago
5

Is my answer right? I don’t really know this subject very well

Mathematics
1 answer:
melomori [17]2 years ago
5 0

First let's review how to find the surface area of a rectangular prism. Since the opposite faces have the same area, we just need to find one of each pair of faces and multiply the result by 2.

One face in each pairs adds up to 6*4+2*4+2*6=24+8+12=44

Now we just need to multiply this by 2!

44*2=88 cm^2

I really hope my explanation helped, if there are any more question about this please ask me in the comments I will answer them.

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A rectangle as the width of 9 units and length of 40 units. What is the length of the diagonal?
Kitty [74]

Answer:

the Diagonal is 41 units

Step-by-step explanation:

Since the sides of a rectangle, to be a rectangle, meet at 90° we use Pythagorean Theorem a² + b² = c²  

Width and Length are the legs and the diagonal is the hypotenuse

9² + 40² = c²

81  + 1600 =  c²

1681 = c²

√1681 = √c²

41 = c

3 0
3 years ago
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3241004551 [841]

Answer:

<h3>- 6b + 21</h3>

Step-by-step explanation:

= > - 3 ( 2b - 7 )

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<h3>Hope it helps you!</h3>
6 0
2 years ago
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Anuta_ua [19.1K]
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3 0
3 years ago
Solve 1/p+1/s=1 for p
jekas [21]

Answer:

Step-by-step explanation:

Multiply through by the L. C. M which is PS.

1/p*ps+1/s*ps=1*ps

P+p=ps

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3 0
3 years ago
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bulgar [2K]

Answer:

z= 69

Step-by-step explanation:

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so z=69 degree

4 0
3 years ago
Read 2 more answers
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