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2 years ago

What can I add to get -6?

Mathematics

2 answers:

frozen [14]2 years ago

5 0

The answer is infinite. 1 + -7 is one, -13 + 7, there is an infinite amount of numbers that add up to -6.

krok68 [10]2 years ago

3 0

So what you would need to add to get -6 is -5-1 then your answer would be -6 hope this helps!

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Suppose 241 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea. Use a 0.05 significance

lana66690 [7]

Answer:

Null Hypothesis, $H_0$ : p = 0.20

Alternate Hypothesis, $H_a$ : p > 0.20

Step-by-step explanation:

We are given that 241 subjects are treated with a drug that is used to treat pain and 54 of them developed nausea.

We have to use a 0.05 significance level to test the claim that more than 20% of users develop nausea.

Let p = population proportion of users who develop nausea

So, Null Hypothesis, $H_0$ : p = 0.20

Alternate Hypothesis, $H_a$ : p > 0.20

Here, null hypothesis states that 20% of users develop nausea.

And alternate hypothesis states that more than 20% of users develop nausea.

The test statistics that would be used here is One-sample z proportion test statistics.

T.S. = $\frac{\hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }$ ~ N(0,1)

where, $\hat p$ = proportion of users who develop nausea in a sample of 241 subjects = $\frac{54}{241}$

n = sample of subjects = 241

So, the above hypothesis would be appropriate to conduct the test.

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3 years ago

A board is 24 ft. long and is cut into two parts. If one piece is twice the length of the other, find he length of both pieces.

topjm [15]

2x + x = 24

so x = 24/3 = 8 ft. (smaller length)

2x = 16 ft. (larger length)

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3 years ago

An observer stationed 20 m away from a tall

antiseptic1488 [7]

Answer:

Step-by-step explanation:I don't say you must have to mark my ans as brainliest but my friend if it has really helped you plz don't forget to thank me...

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3 years ago

Read 2 more answers

I need help please and thank you

barxatty [35]

Answer:

I got 3and3/20....Hope that helps

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Answer:

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Step-by-step explanation:

Mark brainliest if correct, hope this helped

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3 years ago