2 years ago

100 points! Answer 40 and 42.

Mathematics

1 answer:

mezya [45]2 years ago

8 0

Answer:

1) 3 sides

2) 5 sides

3) 10 sides

4) 15 sides

Step-by-step explanation:

360 / 120 = 3

360 / 72 = 5

360 / 36 = 10

360 / 24 = 15

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8 numbers have a sum of 90. Whats the average number?

ehidna [41]

Answer:

$\huge\boxed{11.25}$

Step-by-step explanation:

When finding the average of a set of numbers, we

A) Add up all the numbers
B) Divide that sum by the total number of numbers in the data set

Let's represent this with a formula, s being the sum of all numbers, n being the total number of numbers.

$\frac{s}{n}$

Since we <u>already know the sum</u> and we <u>know how many numbers there are</u> (8), we can substitute inside our expression $\frac{s}{n}$ to find the average.

$\frac{90}{8}$
$11.25$

Therefore, the average of all these numbers is 11.25.

Hope this helped!

4 0

2 years ago

N-6 divided by 3 = -4 what is n

puteri [66]

-6 is the answer that you want

8 0

2 years ago

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Classify the number 1/2 into as many categories as it belongs: Natural number, whole number, integer, or rational number.

Pachacha [2.7K]

Answer:

1/2 is a rational number.

Step-by-step explanation:

A rational number can be expressed as a ratio of two numbers. 1/2 is a ratio.

It is also a real number, however you do not list that as a category, so from what you listed, it is only a rational number.

6 0

2 years ago

Pls help i want it now

larisa86 [58]

Answer:

18kg is the correct answer

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2 years ago

Is this equation true, false or open? 9p+8=10p+7

il63 [147K]

9p+8=10p+7

9p - 10p = 7 - 8

-p = -1

p = 1

TRUE

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3 years ago