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yuradex [85]
4 years ago
13

Which situation best describes negative correlation? a. The amount of job experience and pay b. Salary and number of children c.

Exercise and health d. Hours of TV viewing and test grades
Mathematics
1 answer:
zheka24 [161]4 years ago
4 0

Answer: D

Step-by-step explanation:

D makes a lot more sense because if you are someone who watches TV a lot then your more likely to score less on a given test.

Negative correlation means that as the x values increases the y value decrease.

So in this case hours will be on the x coordinate and y will be your test score.

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The scatter plot below shows the average rent (in dollars per month) for a 1 bedroom apartment in new york city each year betwee
Ne4ueva [31]

Answer:

B) y=40x+800

Average Rent in 2020: $1600

Step-by-step explanation:

4 0
4 years ago
Need help!!! I don't understand it..
JulsSmile [24]
Okay so every triangle will have 3 angles that add to 180 degrees. You are given that A=65 which means that B + C will have to add to 115. You are given that B= (3x-10) and C=2x, plug this into B+C=115. So
3x-10+2x=115, isolate x, 5x=125, divide both sides by 5 and you get that x=25. This makes B=65, and C=50. Just to check, if you add these together you get 180 degrees.
6 0
3 years ago
Haley is 41 years old. Haley is 15 years less than seven times Marcy's age. How old is Marcie
blondinia [14]
Harley is 15 years less than seven times Marcy's age, so that means Haley + 15 = 7 * Marcy

Equation: (41 + 15) / 7 = 56 / 7 = 8

Marcy's age is 8.

Hope this helped =)
4 0
4 years ago
Hi! Does any one know how to do proportions? If so can you please help me out with these 2 problems? please show work on how you
Nataly [62]
Answers:

1.) 18 lemons
2.) 80 minutes

Explanation:

Porportions are a lot like fractions. For the first question, you can make the fraction 6/8, or 3/4 simplified. This means that for every 8 cups of water, you need 6 lemons.

Then, to find the amount of lemons you need if you have 24 cups of water, you need to think about what×8= 24. If we divide 24 by 8, we get 3, so if we multiply our fraction by 3/3, we should get the answer.

If we do 6/8 × 3/3, we get 18/24. This means that we need 18 lemons if we were to use 24 cups of water.

For the next question, our fraction 15/60, for 15 cakes baked in 60 minutes. Now we need to divide 20 cakes by 15.

This question is a little different from the first one because there will be a decimal involved. If we do 20/15, we get 1⅓. This means that this time, we will multiply 15/60 by (1⅓)/(1⅓).

If we multiply 60 by 1⅓, we get 80, which is the number of minutes needed to bake 20 cakes.

Hope this helps :)
6 0
3 years ago
Help meeeee!!!!!! Please
Over [174]

Answer:

-1/11

Step-by-step explanation:

if this is one of the answer choices.

6 0
4 years ago
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