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Levart [38]
3 years ago
5

What is the value of x in simplest radical form?

Mathematics
2 answers:
Y_Kistochka [10]3 years ago
3 0
Your anwser for letter X is 2
kramer3 years ago
3 0
Your answer in simple radiast form is 72°
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From a population of 500 elements, a sample of 225 elements is selected. It is known that the variance of the population is 900.
Valentin [98]

Answer:

standard error of the mean (S.E) = 0.06

Step-by-step explanation:

<u><em>Explanation:</em></u>-

Given sample size 'n' = 500

Given variance of the Population = 900

The standard deviation of the Population = √900 = 30

The standard error of the mean is determined by

S.E = \frac{S.D}{\sqrt{n} } = \frac{30}{500} = 0.06

8 0
3 years ago
Evalute 2x^2 – 3x when x = 4.<br> 0 32<br> 0 12<br> O 52<br> O<br> 20
Elis [28]

Answer: 20

Step-by-step explanation: Substitute the value of the variable into the equation and simplify. giving you 20

6 0
3 years ago
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Help Please I'm really struggling with this problem
Bess [88]
The answer is at least or more than 39 square feet
6 0
3 years ago
If (a+b)^2=54, and (a-b)^=46, then a^2+b^2=?
erastovalidia [21]

(a+b)^2 =a^2 +b^2 + 2ab = 54~~~.....(i)\\\\(a-b)^2 = a^2 +b^2 -2ab = 46~~~.....(i)\\\\\\(i)+(ii):\\\\(a+b)^2 +(a-b)^2  = 54+46\\\\\implies a^2 +b^2 + 2ab + a^2 +b^2 - 2ab =100\\\\\implies 2a^2 +2b^2 =100\\\\ \\\implies 2(a^2 +b^2) =100\\\\\implies a^2 +b^2 = \dfrac{100}2 = 50

4 0
3 years ago
Alessia fills her baby pool with 75 liters of water. How many 1-gallon containers will it take for her to fill the pool with the
8090 [49]
Answer: It will take 19.5 one-gallon containers

Explanation: We know that 1 liter is 0.26 gallons

All we need to do is to make a ratio

1 75
---- -----
0.26 ?

We need to do what we did on the top (times 75 to get 75) on the bottom (times 75 to get 19.5)

Hope this helps!
5 0
3 years ago
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