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3 years ago

15

This is the value of a variable for an entire population. It usually cannot be found directly.

2 answers:

katrin [286]3 years ago

7 0

its parameter and the first two letters are pa

Paul [167]3 years ago

5 0

<span>This is the value of a variable for an entire population. It usually cannot be found directly: the population mean. We can approx. the population mean, or specify an interval in which it is likely to lie, but we generally cannot find the value of the pop mean.</span>

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Which number has the same value as 7 X 1/1000

Yuki888 [10]

Thw answer would be 0.007

5 0

3 years ago

Lerok [7]

Answer:$90,000

Step-by-step explanation:

3,000*30=90,000

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3 years ago

Read 2 more answers

Nick was playing a game with his friends. In the game, he received points for correct answers and lost points for incorrect answ

HACTEHA [7]

Answer:

-7

Step-by-step explanation:

because 15-22= -7

he started at 0, gained 15 points but then lost 22, so after the two problems he'd have a score of -7.

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3 years ago

If lines and and cd are parallel,which if the following statements are true?

faltersainse [42]

Answer:

A

Step-by-step explanation:

AB ll CD

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7 0

2 years ago

Please help me solve for x =

Sladkaya [172]

Answer:

x = 13

Step-by-step explanation:

Given that Δ NML and Δ PST are similar right triangles, we can set up the following proportional statement to establish their relationship:

$\frac{ML}{NM} = \frac{ST}{PS}$

$\frac{8}{10} = \frac{x - 1}{x + 2}$

Cross multiply:

8(x + 2) = 10 (x - 1)

8x + 16 = 10x - 10

Subtract 8x from both sides:

8x - 8x + 16 = 10x - 8x - 10

16 = 2x - 10

Add 10 to both sides:

16 + 10 = 2x - 10 + 10

26 = 2x

Divide both sides by 2:

$\frac{26}{2} = \frac{2x}{2}$

13 = x

Verify whether x = 13 is the correct value:

$\frac{ML}{NM} = \frac{ST}{PS}$

$\frac{8}{10} = \frac{x - 1}{x + 2}$

$\frac{8/2}{10/2} = \frac{4}{5}$

$\frac{x -1}{x+2} = \frac{13 - 1}{13 + 2} = \frac{12}{15} = \frac{12 / 3}{15 /3} = \frac{4}{5}$

This shows the proportional relationship between $\frac{ML}{NM} = \frac{ST}{PS}$ , and that ΔNML and ΔPST are indeed similar right triangles.

Therefore, the correct answer is x = 13.

4 0

3 years ago