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Artemon [7]
3 years ago
10

Find the value of x and the measure of the exterior angle. (9x+16) (5x-14)

Mathematics
1 answer:
olasank [31]3 years ago
6 0

Answer:

x = 15 \:  \:  .....(5(15)- 14) = 61

(9x + 16 )= (5x - 14) + 90 \\ 9x - 5x = 90 - 14 - 16 \\ 4x = 60 \\ x =  \frac{60}{4}  \\ x = 15

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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

And with the degrees of freedom given by:

df=n-1

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

5 0
3 years ago
Do number 5 pleaseee
swat32

Answer:

A

Step-by-step explanation:

16 × 2 = 32

20 × 2 = 40

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6 0
2 years ago
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max2010maxim [7]
I am not sure but it is right if your question is right.

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2 years ago
Which expression is equivalent to -8? A=-2^-3 B=(-1/2)^-3 C=(1/2)^-3 D=2^-3
sladkih [1.3K]

Answer:

The answer is option B.

Step-by-step explanation:

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Hope this helps you

4 0
3 years ago
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