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Oksi-84 [34.3K]
3 years ago
6

What value do you square to get 9?

Mathematics
2 answers:
Svet_ta [14]3 years ago
8 0

Answer:

3^2 0r (-3)^2

Step-by-step explanation:

let the number be x

x^2=9

x=\sqrt{9

x=\sqrt{3*3

x=3

there fore x=plus or minus 3.since it is a sqauring a number if u square (-3)^2 along will the number sign also gets multiplied and (-*-)=+ so u we get positive number.

therefore if u square 3 then u will get 9

Dominik [7]3 years ago
4 0

Answer:

3 or -3

Step-by-step explanation:

What number multiplied by itself will give you 9

1*1 =1

2*2 =4

3*3 =9

Also note that negative times negative will be positive so

-1*-1=1

That means -3*-3 = 9

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I think the answer is either:

J.1/36 or G.1/100

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elixir [45]
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8 0
3 years ago
PLSSS HURRY ILL GIVE YOU A BRAINLYEST
8090 [49]

Answer:

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Step-by-step explanation:

lets think of it as a ratio,

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6 0
3 years ago
At a certain university, the average attendance at basketball games has been 3125. Due to the dismal showing of the team this ye
Neporo4naja [7]

Answer:

The test statistic needed to evaluate the claim is t = -1.08.

Step-by-step explanation:

The test statistic is:

t = \frac{X - \mu}{\frac{s}{\sqrt{n}}}

In which X is the sample mean, \mu is the expected value of the mean, s is the standard deviation of the sample and n is the size of the sample.

At a certain university, the average attendance at basketball games has been 3125. The athletic director claims that the attendance is the same as last year.

This means that \mu = 3125

Due to the dismal showing of the team this year, the attendance for the first 9 games has averaged only 2915 with a standard deviation of 585.

This means that n = 9, X = 2915, s = 585

What is the test statistic needed to evaluate the claim?

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The test statistic needed to evaluate the claim is t = -1.08.

6 0
3 years ago
Is is true that the coefficient of the expression 18z-7(-3+2z) of z is 13
Sever21 [200]
<span>18z-7(-3+2z) 
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answer is False
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3 years ago
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