3 years ago

A cube has edges measuring 9 inches each find the volume

1 answer:

4 0

The formula for the volume of a cube is $s^{3}$ , where s is the side length. Then, just do 9 to the third power, or 9*9*9, which equals 729.

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What’s the area of polygon w

natali 33 [55]

Should be 7 cause 1×7=7

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2 years ago

Put these into y=mx+b format SHOW YOUR WORK!!!! x-7y=7 and 6x-7y=-28

DerKrebs [107]

Answer:

Explanation:

x - 7y = 7
-7y = -x + 7
y = (-1/-7)x + 7/-7
y = (1/7)x - 1

6x - 7y = -28
-7y = -6x - 28
y = (-6/-7)x - 28/-7
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Marizza181 [45]

<span>Standard notation is when a number is completely written out using numerical digits

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2 years ago

Use the Counting Principle to find the probability. Choosing the 7 winning lottery numbers when the numbers are chosen at random

frozen [14]

Answer: 120

<u>Step-by-step explanation:</u>

Since the order of the numbers doesn't matter we can use the formula:

$\dfrac{n!}{r!(n-r)!}\quad \text{where n is the quantity of items and r is the quantity chosen}\\\\\text{In this problem, there are 10 numbers (n = 10) and 7 to be chosen (r = 7)}\\\\_{10}C_{7}=\dfrac{10!}{7!(10-7)!}\\\\.\qquad=\dfrac{10!}{7!3!}\\\\.\qquad=\dfrac{10\times 9\times 8\times 7!}{7!\times 3\times 2\times 1}\\\\.\qquad=10\times 3\times 4\\\\.\qquad=120$

7 0

2 years ago

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Can u guys help me please ?‍♀️

Over [174]

Answer:

r = 8 ft

Step-by-step explanation:

The formula for circumference of a circle is

C = 2 * pi *r

We know the circumference is 16 pi

16 pi = 2 pi r

Divide each side by 2pi

16 pi /2 pi = 2 pi r / (2pi)

8 = r

7 0

2 years ago