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2 years ago

Write (27a^-9)^2/3 in simplest form

1 answer:

4 0

2 to the second power times a to the negative four power
-------------
four times a to the negative four power

2(2)*a(-4)
-----------
4a(-4)

Or if you can't use negatives

4
----
a(4)

Four overtop a to the fourth power
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20 POINTS! WILL MAKE BRAINLIEST

SVETLANKA909090 [29]

1.a sphere with a radius of three units

By definition, the volume of a sphere is:
$V = ( \frac{4}{3} ) (\pi) (r ^ 3)
$
Substituting values we have:
$V=(\frac{4}{3})(\pi)(3^3)$
Rewriting we have:
$V = (4) (\pi) (3 ^ 2)

V = (4) (\pi) (9)

V = 36\pi$

2.a cone with a diameter of twelve units and a height of three units

By definition, the volume of a cone is given by:
$V = \frac{1}{3} (\pi) (r ^ 2) (h)
$
Substituting values we have:
$V = \frac{1}{3} (\pi) ((\frac{12}{2}) ^ 2) (3)
$
Rewriting we have:
$V = (\pi) (6 ^ 2)

V = 36\pi$

6 0

2 years ago

Find each missing measure in the diagram below.

lys-0071 [83]

Answer:

EF= 18 in. , m<F=134'

Step-by-step explanation:

This ones for the boys with the booming system, top down ac with the cooling sytem

8 0

2 years ago

Mr. Cromleigh and his mom stayed at a hotel while in Vegas. If the room was 12ft by 8ft by 9ft, what is the volume of the room?

Komok [63]

Answer:

864 ft³

Step-by-step explanation:

Volume = Length * Width * Height

Substitute

Volume = 12 * 8 * 9

Volume = 864 ft³

Hope this helps :)

7 0

3 years ago

Read 2 more answers

What is the meaning of the unknown factor and quotient

Komok [63]

I don't know what you mean by unknown factor but a quotient is the answer of a division problem

7 0

3 years ago

A standard American Eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. Assuming the weights of sta

lions [1.4K]

Answer:

Approximately 24–36 pounds

Step-by-step explanation:

Given:

Weight of standard American Eskimo dog has mean= 30 pounds

A standard deviation= 2 pounds

For 99.7% of the dogs according to normal distribution would lie between 3 standard deviations on either side of the mean.

i.e. lower bound= Mean- 3 (standard deviation)

= 30-3(2)

=30-6

=24

Upper bound = Mean +3 (standard deviation)

= 30+3(2)

=30+6

=36

Hence the range of weights : 24-36 pounds

correct answer Approximately 24–36 pounds!

4 0

3 years ago