3 years ago

I REALLY NEED HELP AND FAST

Mathematics

1 answer:

il63 [147K]3 years ago

8 0

3 hours before the second jet caught up to it

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Calculate the value of the expression (Explain in words)<br><br> -30-(-20)

oee [108]

Answer:

-10

Step-by-step explanation:

when you subract a negative the minus signs negate each other

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Any one that knows this please help thanks : )

Olin [163]

Replace X with -2 then solve:

(-2) +3 / (-2)-1

1 / -3 which is rewritten as -1/3

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Assoli18 [71]

Answer:

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Step-by-step explanation:

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Assume p value for an independent samples t-test is 0.043 and the chosen level of significance is 0.05. The correct decision in

STatiana [176]

Answer: False

Step-by-step explanation:

We know that , If p-value < $\alpha$ , we reject the null hypothesis .

If p-value ≥ $\alpha$ , we are fail to reject the null hypothesis .

As per given , we have

The p value for an independent samples t-test is 0.043.

The level of significance is $\alpha=0.05$

Since , 0.043 < 0.05.

i.e. p-value < $\alpha$

It means we reject the null hypothesis .

It means the null hypothesis is false.

Hence , the correct decision in this scenario is to favor the null hypothesis : False

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