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2 years ago

The ______________ provides a single measure for a certain population, also called the average.

Mathematics

1 answer:

Sever21 [200]2 years ago

8 0

The arithmetic mean provides a single measure for a certain population, also called the average.

The sum of a set of numbers divided by the total number of numbers in the set is known as the arithmetic mean or arithmetic average in mathematics and statistics.

The ratio of the total number of observations divided by the sum of all the given observations is known as the arithmetic mean. For instance, if the data set contains 5 observations, it is possible to get the arithmetic mean by adding all 5 of the given observations and dividing by 5.

Learn more about arithmetic mean here

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A juice box has a length of 2 inches, a width of 1 inch, and a height of 4 inches. What is the volume of the juice box?

Gnesinka [82]

Answer:

8 in

Step-by-step explanation:

L × W × H = V
2 × 1 × 4 = 8 in

I hope this helps!

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3 years ago

What is the volume of this rectangular prism?

salantis [7]

Answer:

1cm³

Step-by-step explanation:

You do not need a calculator for this.

The formula for the volume of a rectangular prism is:

Length × Width × Height = Volume

If we substitute our numbers in:

5/4 × 4/3 × 3/5 = 1cm³

All you need to do is multiply across.

5 × 4 × 3 = 60

4 × 3 × 5 = 60

The numerator and denominator both equal 60. So the fraction would look like this if you were to keep it as a fraction.

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3 years ago

B)Find z : (√z+√22)(√z-√22) = 35

Vaselesa [24]

Answer: $\Large\boxed{z=57}$

Concept:

Here, we need to know how to expand expressions like (a - b)(a + b).

For expressions like (a - b)(a + b), the expanded form must be:

a² - b²

For checking whether it is true:

(a - b)(a + b)

= a² - ab + ba - b²

= a² - b²

Solve:

Given equation

$(\sqrt{z}+\sqrt{22})(\sqrt{z}-\sqrt22)}=35$

Expand the parenthesis by the concept

$(\sqrt{z})^2-\sqrt{22}^2=35$

Simplify the exponents

$z-22=35$

Add 22 on both sides

$z-22+22=35+22$

$\Large\boxed{z=57}$

Hope this helps!! :)

Please let me know if you have any questions

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1 year ago

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alexira [117]

Answer:

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Step-by-step explanation:

8 / 3 = $2.67

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2 years ago

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Paraphin [41]

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Step-by-step explanation:

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