3 years ago

(3n^3)^2 without exponet

Mathematics

1 answer:

sergejj [24]3 years ago

4 0

Step-by-step explanation:

$(3 {n}^{3} )^{2} \\ = {3}^{2} \times {n}^{3 \times 2} \\ = 9{n}^{6}$

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Find the area of the circle to the nearest tenth. Use 3.14 for it (11 mm)

Nikolay [14]

Answer:

The area of the circle is 379.94 mm²

Step-by-step explanation:

To solve this problem we need to use the area formula of a circle:

a = area

r = radius = 11 mm

π = 3.14

a = π * r²

we replace with the known values

a = 3.14 * (11 mm)²

a = 3.14 * 121 mm²

a = 379.94 mm²

Round to the nearest tenth

a = 379.94 mm² = 379.9 mm²

The area of the circle is 379.9 mm²

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3 years ago

The sum of the measures of the interior angles of a convex pentagon

ipn [44]

Answer:

for any pentagon the interior angles add up to n-2 times 180 degrees.

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3 years ago

The front of a garage needs to be painted. The total area except for the door will be painted. The door is 1.5 m high and 2 m wi

Sever21 [200]

Answer:

The answer for A is $7.85m^{2}$ .

The answer for B is 4 cans.

The answer of C is $98.

Step-by-step explanation:

A-

Multiply 2.5 by 3.5 and you'll get 8.75 Multiply 3.5 by 1.2 and you'll get 4.2; divide and your answer will be 2.1 Add to 8.75 Get 10.85 Subtract from area of door ( 3m because 1.5 times 2 is 3) and you'll get 7.85

B-

Divide 7.85 by 2.5 and you'll get 3.104; round that and you'll get 4 cans.

C-

Multiply the amount of cans (4) by 24.5. Do this and you'll get $98.

Hope this was helpful!!!

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3 years ago

Pls will mark brainliest if right!

cricket20 [7]

Answer:

A) no

B) yes

C) no

D) yes

E) yes

Step-by-step explanation:

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3 years ago

The sum of 2 numbers is 5. The larger number exceeds twice the smaller number by 14. Find the

olga2289 [7]

Answer:

I think 4 i don't know I tried

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2 years ago