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meriva
4 years ago
7

Whoever helps will be voted brainlyess answer and the questions worth 20 points :)

Mathematics
1 answer:
pantera1 [17]4 years ago
7 0
The volume of a rectangular prism is:

V=xyz where x,y,z are the dimensions...

In this case:

V=5*(2 1/2)*(1 1/2)

which is equal to 

V=(12 1/2)*(1 1/2)

So the top one and the third one down are the correct volume.
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Please help! i don't know what to do, my formulas are not working for me. If anyone could please help i would really appreciate
Burka [1]

Answer:

  • The radius is r = 3 in,
  • The height is h = 4 in

<u>The area of the base:</u>

  • A(b) = πr² = π(3²) = 9π in²

<u>The circumference of the base:</u>

  • C = 2πr = 2π(3) = 6π in

<u>The area of the lateral surface:</u>

  • A(l) = Ch = 6π(4) = 24π in²

<u>The surface area:</u>

  • S = 2A(b) + A(l) = 2*9π + 24π = 42π in²
6 0
3 years ago
If f(x) = 2x² +5 and g(x)=x2-2, find (f-g)(x).
Rufina [12.5K]

Answer:D. x^2+7

Step-by-step explanation:

If f(x) = 2x² +5 and g(x)=x2-2, find (f-g)(x).A. x^2+3B. 3x^2+3C. 3x^2+7D. x^2+7

4 0
2 years ago
3x^2 y^7 • 5y^8 x^4<br> someone help<br> plz
ale4655 [162]

Answer:

15x^6y^15

Other:

Brainliest? Thanks!

5 0
3 years ago
POSSIBLE POINTS. 1
erastova [34]

Answer:

Step-by-step explanation:

a^2 + b^2 = c^2

where

a and b are the legs

and

c is the hypotenuse

.

the problem gives the "legs" because the LONGEST leg is always the hypotenuse.

a^2 + b^2 = c^2

1071^2 + 1840^2 = c^2

1147041 + 3385600 = c^2

4532641 = c^2

6 0
1 year ago
180537.5 what is it simplified??
olga_2 [115]
180537.5 simplified is 180538
6 0
3 years ago
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