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2 years ago

Calculate the common difference. 5.9. 13.17

Mathematics

1 answer:

Aleks04 [339]2 years ago

5 0

Answer:

answer is 4.

Step-by-step explanation:

the difference between 5 and 9 is 4

9-5=4

and in 13 and 17 it's the same

17-13=4

so the common difference is 4

write 4️⃣is the answer

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posledela

X+x+2= 156
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2x= 154 
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3 years ago

How would you do this problem

Drupady [299]

It would be helpful to draw out a diagram but I'll explain in words.

We start at 0, ground level.

Then up a 100 metre hill, so now we are at 100m.

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3 years ago

Cardiovascular disease is a major cause of death and illness worldwide, with high blood pressure and high LDL cholesterol both b

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Answer:

Null and alternative hypotheses:

H0: p1 = p2

H1: p1 ≠ p2

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$p'1 = \frac{x_1}{n_1} = \frac{113}{3180} = 0.0355$

$p'2 = \frac{x_2}{n_2} = \frac{157}{3168} = 0.0495$

$p' = \frac{(x_1 + x_2}{n_1 + n_2} = \frac{113 + 157}{3180 + 3168} = 0.0425$

Calculate Z statistics:

$z = \frac{(p1 -p2)}{\sqrt{(p'(1-p')*(\frac{1}{n1}+ \frac{1}{n2})}}$

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Z = -2.764

P-value = 0.00285

The pvalue is low.

Since the pvalue is low, reject null hypothesis, H0.

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2 years ago

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wariber [46]

Answer:2 5/6

Step-by-step explanation:

i used photomath :)

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