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3 years ago

8

The sample mean is a statistic. True or false

1 answer:

ruslelena [56]3 years ago

6 0

Answer:

true

Step-by-step explanation:

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Given the expression below, what are the missing values, respectively?

asambeis [7]

Answer:

F.

Step-by-step explanation:

20=4*5

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3 years ago

Evaluate the quotient of 1.05 x 103 and 1 x 103:

Mama L [17]

1.5 * 103= 108.15
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gtnhenbr [62]

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Step-by-step explanation:

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melisa1 [442]

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Solving equations (algebra). Thank you!

LenKa [72]

Answer:

$\large\boxed{\dfrac{1}{x^2}+x^2=23}$

Step-by-step explanation:

$\left(\dfrac{1}{x}+x\right)^2=25\qquad\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\\left(\dfrac{1}{x}\right)^2+2(x\!\!\!\!\diagup)\left(\dfrac{1}{x\!\!\!\!\diagup}\right)+x^2=25\\\\\dfrac{1}{x^2}+2+x^2=25\qquad\text{subtract 2 from both sides}\\\\\dfrac{1}{x^2}+x^2=23$

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3 years ago