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olga2289 [7]
3 years ago
13

9. Tell whether the table is a linear equation and explain why

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0
The table is linear because the change because it had a constant slope when we solve for change in y / change in x for each of the data points given. That slope is -0.5 and it’s constant.
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Klara sold 45 tickets to the school play, which is 3 times as many as the number of tickets sold by John. How many tickets did J
maksim [4K]

Answer:

15

Step-by-step explanation:

45 divided by 3 equals 15

45 ÷ 3 = 15

8 0
3 years ago
What’s the answer???(SOMEONE PLEASE HELP ME)
kati45 [8]
The answer is B. It does not represent a function because a vertical line will cross the graph at more than one point
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3 years ago
Last year, Kristen went bowling several times and earned an average score of 84 points. This year, she improved her score to an
Viktor [21]

Answer:

percentage increase in Kristen's average score is = 25%

Step-by-step explanation:

Given:-

- The last year score, Si = 84 points

- This year score, Sf = 105 points

Find:-

What is the percent of increase in Kristen's average score?

Solution:-

- We are to determine the percentage increase in Kristen's average score from last year.

- The relation to develop percentage increase "%inc" is given by:

                              %inc = \frac{Sf - Si }{Si}*100

- plug in the values:

                              inc = \frac{105 - 84 }{84}*100\\\\inc = 25

- The percentage increase in Kristen's average score is = 25%

8 0
3 years ago
Nathan usually drinks 32 ounces of water per day. He read that he should drink 56 ounces of water per
vlada-n [284]

Answer:

57 percent

Step-by-step explanation:

36 divided by 56 equals .57142 which rounds to 57

6 0
3 years ago
Five hundred yards of fence is to be used to enclose a rectangular area next to a straight river. The river bank acts as one sid
fenix001 [56]

Answer:

the requirements are missing:

  1. express the height of the rectangle in terms of w
  2. express the area of the rectangle in terms of w

1) the height of the rectangle is:

w + h + h + w = 500 + w

2w + 2h = 500 + w

2h = 500 + w - 2w = 500 - w

h = (500 - w) / 2 = 250 - 0.5w

2) the are of the rectangle is:

w x h = w x (250 - 0.5w) = 250w - 0.5w²

3 0
3 years ago
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