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2 years ago

I need help ASAP!!!!!

Mathematics

2 answers:

storchak [24]2 years ago

5 0

${21m}^{7} - {7m}^{5} + 49m \\ = 7m( {3m}^{6} - {m}^{4} + 7)$

Hope this helps. - M

miv72 [106K]2 years ago

3 0

The answer is 7m(3m^6 - m^4 + 7) You can give Max brainliest!

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Find the surface area of the cylinder. Use a ~ 3.14 20 m

lesantik [10]

Answer:

1444.4 m2

Step-by-step explanation:

Surface Area = 2 * 3.14 * (R*R + R*L) = 2 * 3.14 * (10*10+10*13) = 1444.4 m2

Note .. You can Derive this

"Surface Area = 2 * 3.14 * (R*R + R*L)"

Using Calculus by differentiating its Volume

V = 3.14 * R * R * L

6 0

2 years ago

Please help this is due today.

alex41 [277]

Answer:

$b = 90$

$c=80$

$d =100$

Step-by-step explanation:

Given

See attachment

Required

Find b, c and d

First, we solve for b using:

$b + 10 + b - 10 = 180$ --- base angles of a parallelogram

Collect like terms

$b + b =180+10-10$

$2b = 180$

Solve for b

$b = 180/2$

$b = 90$

Then, we have:

$d =b + 10$

$c = b - 10$ --- opposite angles

So, we have:

$d =90 + 10$

$d =100$

$c = 90 - 10$

$c=80$

6 0

2 years ago

Find the surface area of a cylinder with a base diameter of 4 in and a height of 3 in . Write your answer in terms of π , and be

marissa [1.9K]

Find Radius:

Radius = Diameter ÷ 2

Radius = 4 ÷ 2 = 2 in

Find Surface Area:

Surface Area = 2πr² + 2πrh

Surface Area = 2π(2)² + 2π(2)(3)

Surface Area = 8π + 12π

Surface Area = 20π in²

Answer: 20π in²

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