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Harlamova29_29 [7]
3 years ago
10

Hurry Need Help I Will Give You Brainliest!!

Mathematics
2 answers:
adoni [48]3 years ago
6 0

Answer:

The measures of supplementary angles add up to 180°

If two supplementary angles are adjacent, they form a 360° angle. ( or a linear pair )

....of the known angle from 180

Step-by-step explanation:

Some common math techniques that are best to know generally

vekshin13 years ago
3 0
... 180
... 360 angle
... 180
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Least to greastest awnser
Morgarella [4.7K]

2) -88, -45, 5, 40

4) -45, -31, 20, 49

6) -74, -63, -45, 38

8) 18, 27, 27, 58

10) -60, -49, -40, 9

12) -45, -18, 80, 82

The bigger negative numbers are the least because negative numbers work the opposite way around of positive numbers. :)

8 0
2 years ago
A researcher for an airline interviews all of the passengers on five randomly selected flights.
antoniya [11.8K]

Answer

Cluster sampling. See explanation below.

Step-by-step explanation:

For this case they not use random sampling since we are selecting people from flights. Because we select just 5 random flights.

Is not stratified sampling since we don't have strata clearly defined on this case, and other important thing is that in order to apply this method we need homogeneous strata groups and that's not satisfied on this case.

Is not convenience sampling because they NOT use a non probability method in order to select the people from the flights.

So then the only possible method is cluster sampling since we have clusters clearly defined (Passengers from the airlines), and we satisfy the condition of homogeneous characteristics on the clusters and an equal chance of being a part of the sample, since we are selecting RANDOMLY, the 5 flights to take the information.

6 0
3 years ago
Find the break-even point for the given cost and revenue equations. Round to the nearest whole unit. C = 20n + 134,000 R = 160n
Harman [31]
At break-even C = R so we have:-

20n + 134,000 = 160n

140n = 134,000

answer = 134,000 / 140  =  957
8 0
3 years ago
What is the solution to this system of equations?
Maurinko [17]

Answer:

  (x, y) = (5, -2)

Step-by-step explanation:

A graphing calculator provides a quick and easy way to find the solution.

_____

There are several other ways to solve these equations. Or you can estimate where the answer might be using logic like this:

The intercepts of the first equation are ...

  • x-intercept = 26/4 = 6 1/2
  • y-intercept = -26/3 = -8 2/3

So the graph of it will form a triangle with the axes in the 4th quadrant.

The intercepts of the second equation are ...

  • x-intercept = 11/3 = 3 2/3
  • y-intercept = 11/2 = 5 1/2

So the graph of it will form a triangle with the axes in the 1st quadrant. The x-intercept of this one is less than the x-intercept of the first equation, so the two lines must cross in the 4th quadrant.

The only 4th-quadrant answer choice is (5, -2).

3 0
3 years ago
Negative one-sixth of a number is less than -9. write an inequality.​
sladkih [1.3K]

Answer:

-1/6 n < -9

Step-by-step explanation:

Negative one-sixth of a number

-1/6 n

is less than -9

-1/6 n < -9

3 0
2 years ago
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