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MArishka [77]
2 years ago
6

Can someone pls help?

Mathematics
1 answer:
Sergio [31]2 years ago
5 0
<h3>Answer:  x = 4</h3>

==================================================

Explanation:

Use the remote interior angle theorem. This says a pair of interior angles always add to the measure of the exterior angle that is not adjacent to any of the interior angles, so basically what your diagram is showing.

(interior angle C) + (interior angle D) = exterior angle

(46) + (-1+8x) = 18x+5

8x+45 = 18x+5

8x-18x = 5-45

-10x = -40

x = -40/(-10)

x = 4

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A recent national survey found that high school students watched an average (mean) of 6.8 movies per month with a population sta
Margaret [11]

Answer:

Step-by-step explanation:

Given that x = no of movies high school students watched is N(6.8, 1.8)

Sample size = 36 and hence std error = 1.8/6 = 0.3

H_0: x bar = 6.8\\H_a: x bar < 6.8\\

(two tailed test)

Mean difference = 6.2-6.8 = -0.6

Test statistic z = -0.6/0.3= -2

p value = 0.02275

Since p <0.05 we reject H0.

There is evidence to show that college students watch fewer movies a month than high school students

7 0
3 years ago
Find the value of X.​
zubka84 [21]

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Step-by-step explanation:

3 0
3 years ago
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zubka84 [21]

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Step-by-step explanation:

measure of angles in a triangle is 180 degrees

So

87 + 52 + ? = 180

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? = 41

4 0
3 years ago
Read 2 more answers
The sides of a triangle have lengths of x, x + 5, and 25. If the longest side is 25, which of the following values of x would ma
Amiraneli [1.4K]
In a right angle, the sum of the squares of the two shorter sides is equal to the square of the longest side.
Here, the longest side is 25, the shorter sides are x and x+5.

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The length of a side must be a positive number, so x=15.
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6 0
3 years ago
10 + 3p = 4<br>evaluat this boì<br>​
Helen [10]
The answer for this equation is -2
5 0
3 years ago
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