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sleet_krkn [62]
2 years ago
6

The median salary for a chiropractor in the United States is $81,500 per year, according to the U.S. Department of Labor. A grou

p of recent graduates believe this amount is too low. In a random sample of 205 chiropractors who recently graduated, 170 began with a salary of more than $81,500 and five earned a salary of exactly $81,500. State the null hypotheses and alternate hypotheses.
Mathematics
1 answer:
dsp732 years ago
7 0

Answer:

attached

Step-by-step explanation:

attached

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5 dollars for 2 cans of tuna
Lera25 [3.4K]

Answer:

5 times 2=10 well i guess this was a joke right?

Step-by-step explanation:

5 0
2 years ago
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Mrs. Blalock gave her students a math test. Each problem on the test was worth 4.5 points. The grade on the test, y, can be calc
umka2103 [35]

Answer:

4,5*16=y

y=72

Step-by-step explanation:

7 0
3 years ago
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The following figure is not drawn to scale.
erik [133]

Answer:

The triangle angle rule says that all of the angles in a triangle will add up to equal 180. So to find x we subtract the given angles ( 45 and 60 in this case) from 180.

x = 180-60-45

180-60-45=75

so x = 75

To find y we know that angle x and and y are angles formed on a straight line that are split up by a triangle segment. These angles are called supplementary angles which add up to equal 180.

So knowing that angle x = 75 we can find angle y by subtracting 75 from 180

180-75=105 so y = 105

Another way we could solve for y is the exterior triangle rule

This rule states that an exterior angle of a triangle is equal to the two opposite interior angles

so y = 45 + 65

45 + 65=105

so y = 105

Step-by-step explanation:

7 0
2 years ago
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Simplify the expression 4y - 1 - 3y + 2
victus00 [196]
Okay, so basically all you need to do is combine like terms!
in this case, 4y and -3y are like terms... and -1 and 2 are like terms
so, 4y - 3y is 1y or y
and -1 + 2 is 1

so your simplified answer is y + 1

I hope this helps!!
3 0
3 years ago
Shirley cuts a 133 m long rope into several pieces of length 3 1/2 m each. How many equal pieces of the rope does she get
liraira [26]


38

explanation:
133 divided by 3.5
5 0
2 years ago
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