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Lilit [14]
2 years ago
6

Please help! NO FAKE ANSWERS PLEASE!!!!!

Mathematics
1 answer:
vredina [299]2 years ago
8 0
Ninety nine percent hope this helps!

Sorry if it didn’t :c
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Helpppp.............m..​
enot [183]

Answer: 135*

Step-by-step explanation:

35* is what the bottom left side of the triangle angle equals because of congruency.

All triangles = 180*

180 - 100 - 35 = 45*

top angle of triangle = 45 *

said angle (45) +  x angle = 180

x = 135*

7 0
3 years ago
Before changes to its management staff, an automobile assembly line operation had a scheduled mean completion time of minutes. T
Sergio [31]

No, we don't have evidence to support that the mean completion time under new management has decreased but we can conclude that it remains at 15.5 minutes.

Given mean of 15.5 minutes , standard deviation of 1.7 minutes, sample size of 90 and sample mean of 15.4 minutes.

We can do the following study for conclusion:

Firstly the null hypothesis is

H_{0}: x=15.5

The alternate hypothesis is

H_{1}: x < 15.5

since the value is less than this is a one tailed test.

Z=x bar-x/d/\sqrt{n}

where x is sample mean and d is standard deviation.

Z=15.4-15.5/1.7/\sqrt{90}

=-0.1/1.7/9.4868

=-0.560

Critical value of Z at 0.1 level of significance

Z=-1.28

We fails to reject the null hypothesis since -0.560>-1,28

Hence we don't have evidence to support that the mean completion time under new management has decreased but we can conclude that it remains at 15.5 minutes.

Learn more about hypothesis at brainly.com/question/11555274

#SPJ4

Question is incomplete. It should include:

mean of 15.5 minutes ,

standard deviation of 1.7 minutes,

sample size of 90

and sample mean of 15.4 minutes.

5 0
1 year ago
NEED THIS ASAPGraph each inequality
Usimov [2.4K]

Answer: <em>here are the graphs. the one with the sloped line is </em>5x - 3y ≤ -15.<em> the one with the straight line is </em>y ≥ 4.

3 0
3 years ago
1) Identify the x- and y-intercepts of the functions below. (Graphs shown below)
ioda
2 because it is not lollllllll
3 0
3 years ago
A bird was sitting 5 feet from the base of an oak tree and flew 13 feet to reach the top of the tree. How tall is the tree?
Citrus2011 [14]

Answer:

The tree is 18 feet high.

Step-by-step explanation:

The base was 5 feet away. The bird flew an additional 13 feet.

5+13=18.

5 0
3 years ago
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