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Lorico [155]
3 years ago
11

A letter that represents a number is called

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
3 0

Answer:

variable. a symbol, usually a letter, that represents one or more numbers. variable expression. hope this helps

Step-by-step explanation:

sukhopar [10]3 years ago
3 0

Answer:

Hello!!

A letter that represents a number is called a <u>variable.</u>

Hope this helps!!

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Jillian measured how far each of her paper airplanes flew in feet.
Evgesh-ka [11]

Answer:

72

Step-by-step explanation:

there are 12 inches per foot, so if five feet is equal to 60 inches then just add 12 and you get 72. 6 feet would be equal to 72 inches

4 0
3 years ago
2.The mean area of several thousand apartments in a new development is advertised to be 1,100 square feet. A consumer advocate h
KiRa [710]

Answer:

Null Hypothesis, H_0 : \mu = 1,100 square feet

Alternate Hypothesis, H_A : \mu < 1,100 square feet

Step-by-step explanation:

We are given that the mean area of several thousand apartments in a new development is advertised to be 1,100 square feet.

A consumer advocate has received numerous complaints that the apartments are smaller than advertised.

<u><em>Let </em></u>\mu<u><em> = mean area of several apartments.</em></u>

So, Null Hypothesis, H_0 : \mu = 1,100 square feet

Alternate Hypothesis, H_A : \mu < 1,100 square feet

Here, <u>null hypothesis states that</u> the mean area of apartments are same as advertised.

On the other hand, <u>alternate hypothesis states that</u> the mean area of apartments are smaller than advertised.

So, this would be the appropriate null and the alternative hypothesis to test this claim.

4 0
3 years ago
Solve for the exact value of x.
blsea [12.9K]

Answer:

\sqrt{89}

Step-by-step explanation:

Using the Pythagorean Theorem, if you take 8 and square it, you get 64.

You then take 5 and square it giving you 25.

add the 64 and 25 to get you 89 = x squared.

Then take the square roots of x. (Keep in mind, what you do to one side must be done to the other.)

Because 89 is not a perfect square, you can it it as the square root of 89.

6 0
3 years ago
Please help with this question
posledela
B, the lowest because would you rather pay 12% daily or monthly
5 0
2 years ago
What is the unit rate for $4.75
Softa [21]

Answer:

2.436

Step-by-step explanation:

It’s Right Trust me

4 0
3 years ago
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