2 years ago

PLS HELP ME

Mathematics

1 answer:

Crank2 years ago

3 0

Answer:

Yes it is statistical, it anticipates enough variability in responses

Step-by-step explanation:

-lukelaws

Hope I helped If I did please mark me brainliest if its wrong I am sorry!

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Find the value of x.

lawyer [7]

Answer:

$\huge\boxed{x=\sqrt{70}}$

Step-by-step explanation:

ΔABC and ΔADB are similar (AAA).

Therefore the corresponging sides are in proportion:

$\dfrac{AB}{AD}=\dfrac{AC}{AB}$

Substitute:

$AB=x\\AC=7+3=10\\AD=7$

$\dfrac{x}{7}=\dfrac{10}{x}$ <em>cross multiply</em>

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Step-by-step explanation:

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Perchlorate is a chemical used in rocket fuel. People who live near a former rocket-testing site are concerned that perchlorate

ser-zykov [4K]

Answer:

$H_1 : \mu > 24.5$

Step-by-step explanation:

From the given information:

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The population mean is 24.5 (ppb)

The sample mean is 225.3 (ppb)

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Null hypothesis:

$H_o : \mu \le 24.5$

Alternative hypothesis:

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Which phrase is a description of 7n+11?

ivann1987 [24]

Answer:

n=18

Step-by-step explanation:

7n+11?

n=7+11

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