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slamgirl [31]
4 years ago
9

I have 20 min to submit this someone please help

Mathematics
1 answer:
egoroff_w [7]4 years ago
7 0

Answer:

1. alternating interior angles

2. 60°

Step-by-step explanation:

1. By definition of <em>Alternating Interior Angles</em>, the angles must be located in between the parallel lines, and opposite of each other (hence alternating). The measurements of the two angles are exactly the same.

2. Since the angle measurements of Alternating Interior Angles are the same, x would = 60° as well.

~

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10x3 tens in unit and standard form
stealth61 [152]
10*3 tens= 30= 300 units
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3 years ago
A research engineer for a tire manufacturer is investigating tire life for a new rubber compound and has built 16 tires and test
frutty [35]

Answer:

The 95% confidence interval for mean tire life is between 52,368.4 kilometers and 67,911 kilometers.

Step-by-step explanation:

We are in posession of the sample's standard deviation, so we use the students t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 16 - 1 = 15

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 15 degrees of freedom(y-axis) and a confidence level of [tex]1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.68

The margin of error is:

M = T*s = 2.1315*3645.94 = 7771.3

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 60139.7 - 7771.3 = 52,368.4.

The upper end of the interval is the sample mean added to M. So it is 60139.7 + 7771.3 = 67,911.

The 95% confidence interval for mean tire life is between 52,368.4 kilometers and 67,911 kilometers.

3 0
3 years ago
Read 2 more answers
Use synthetic division to find the remainder. When 3x^ 2 - 2x - 4 is divided by x - 3.
OlgaM077 [116]
ANSWER

a.)17

EXPLANATION

The given function is

3 {x}^{2} - 2x - 4

We want to find the remainnder when this function is divided by x-3 using synthetic division.

We write the coefficients of the given function and carry out the synthetic division as shown in the attachment.

The remainnder is 17.


The correct answer is A.

7 0
3 years ago
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Maksim231197 [3]

Answer:

(0,7) and (2,4) go to slope =-3/2

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(0,0) and (2,1) go to slope =1/2

(0,-1) and (2,-5) go to slope =-2

and (-1,3) and (-1,-3) go to no slope

Step-by-step explanation:

i did the edge 2020 thing

3 0
3 years ago
Read 2 more answers
I need help can u draw a graph for me on paper or message me or ananythin​
soldier1979 [14.2K]

Step-by-step explanation:

hope this helps theirs 3 pictures

3 0
3 years ago
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