2 years ago

Please help me please!!!!!!!!!!!!!!!!

1 answer:

3 0

X=radius....

half of that chord of 8 is 4

The hypotenuse of 4 and 3.6 is also equal to the radius so we can say:

r^2=4^2+3.6^2

r^2=28.96 and since x=r

x^2=28.96

x=√28.96

x≈5.381 so

x≈5.4

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Step-by-step explanation:

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2 years ago

The critical value t* gets larger as the confidence level increases. True or false?

posledela

Answer:

We can find the critical value $t_{\alpha/2}$

And for this case if the confidence increase the critical value increase so then this statement is True

Step-by-step explanation:

For a confidence level given c, we can find the significance level like this:

$\alpha=1 -c$

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2 years ago

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Step-by-step explanation:

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2 years ago

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photoshop1234 [79]

Answer: 8.6:8.6

Explanation:

1:n is the form you want.

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1 is 1 times bigger than 8.6

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so you've got 8.6:8.6

your welcome, i hope this helps

3 0

2 years ago

Solve –5√ x = –15. A. x = –7 B. x = –9 C. x = 7 D. x = 9

Pie

-5√x = -15
-5 -5
√x = 3
x = 9

The answer is D.

3 0

3 years ago

Read 2 more answers