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bonufazy [111]
3 years ago
5

What would be the angles for K, J, and L?

Mathematics
2 answers:
alina1380 [7]3 years ago
7 0
X is equal to 20°
so K is 115°, J is 28°, and L is 37°
yan [13]3 years ago
3 0

Answer:

I think its 120°. I don't 100% know, but that's my guess.

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What's the answer to 243.875 to nearest tenth,hundredth, ten,and hundred
trapecia [35]
Tenth: 243.9
Hundredth: 243.88
Ten: 240
Hundred: 200
3 0
3 years ago
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The total value of exports rose significantly between 1970 and 1980 find the percent increase in exports during this period
Luden [163]
This is not a full question.  If you were given the amount at the begining of 1970 (we'll call it x) and the amount at the end of 1980 (we'll call it y), we should solve them accordingly:
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4 years ago
For which set of values of x is the algebraic expressions x^2-16/x^2-4x-12 undefined
matrenka [14]

Answer:

x= -2 & x = 6

Step-by-step explanation:

To find undefined points, you need to know when the bottom of the fraction is equal to 0, because you can't divide by 0! (The numerator is irrelevant.) In order to do this, you can factor the denominator of x^2 - 4x - 12. What factors of -12 add up to -4? That would be -6 and 2, so you can factor it out to (x-6)(x+2). Because the coefficient of x in both of these cases is 1, you can take the shortcut of just taking the opposite sign of the two numbers being added to x in these factors, giving you 6 and -2 for your undefined values.

Let me know if you need a more thorough explanation, as I sort of skipped through some wordy things there to give a more concise answer.

4 0
3 years ago
Find the volume of the cone.
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Please mark me brainliest!!!!
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7 0
4 years ago
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Specifications call for the wall thickness of two-liter polycarbonate bottles to average 4.0 mils. A quality control engineer sa
bija089 [108]

Answer:

The null hypothesis μ=4.0 could not be rejected.

Step-by-step explanation:

In this problem we have to perform a hypothesis test of the mean, with s.d. of the population unknown.

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We assume a significance level of 0.05.

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t=\frac{M-\mu}{\sigma}=\frac{4.033-4.0}{0.061}=0.536

We have a sample size n=7, so the degrees of freedom are 7-1=6.

For a two-tailed test, t=0.536 and df=6, the P-value can be look up in a t-table.

The P-value is 0.61. Is greater than the significance level, so the effect is not significant and the null hypothesis can't be rejected.

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