I honestly don’t understand this at all

Mathematics

2 answers:

Troyanec [42]3 years ago

5 0

<IMK=<GMH because they are vertical angles. Therefore:

84=4x

*Divide both sides by 4*

21=x

<IMK+<KMH=180 because they are supplementary angles. Therefore:

84+<KMH=180

*Subtract 84 from both sides*

<KMH=96

Hope this helps!!

Anarel [89]3 years ago

3 0

Answer:

Step-by-step explanation:

Okay im awful at geometry, but I do know a few things.

84 and 4x must be equal to each other, as they are vertically opposite angles, meaning that

84 = 4x so

x = 21

To find angle M, you must know that the sum of angles across a line is 180 degrees.

So... angle m + 4x = 180

we know that 4x is 84 from above so

M + 84 = 180

180 minus 84 gives

M = 96 degrees

Hopefully this helps!

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Breyers is a major producer of ice cream and would like to test the hypothesis that the average American consumes more than 17 o

zhenek [66]

Answer:

The p-value would be 0.0939

Step-by-step explanation:

We can set a standard t-test for the Null Hypothesis that $H_0: 18.2\geq 17$

The test statistic then takes the form

$t=\frac{18.2-17}{3.9/\sqrt{15}}=1.317$

with this value we then can calculate the probability that is left to the right of this value $P(X>1.317)$ . From theory we know that t follows a standard normal distribution. Then $P(X>1.317)=0.0939$ which is smaller than the p-value set by Breyers of 0.10