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allochka39001 [22]
4 years ago
15

Phillips help me solve this problem I don’t understand first to answer will be marked brainlyest

Mathematics
2 answers:
Reil [10]4 years ago
5 0

The answer is A.......


zalisa [80]4 years ago
4 0

Check out the possible answer choices, one by one.  Starting with the first one, f(x) = (x+2)^2, subst. x and y from each given point.

Example:  (0,4):  when x = 0, y = 4.  Is f(x) = (x+2)^2 true when we let x = 0 and y = 4?  Is f(0) = 4 = (0+2)^2 true?  Is 4 = 2^2 true?  YES.  

Thus, the correct answer choice is f(x) = (x+2)^2.  No need to go through the other three possible answer choices, assuming that only one of these choices can be the correct one.

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Complete the table with the number of sit-ups you have to do sunday so that the mean number of sit-ups per day is 100
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The mean is the average of the numbers.

It is easy to calculate: add up all the numbers, then divide by how many numbers there are.

Let the number of sit-ups you have to do Sunday be x. Then the sum of all sit-ups is

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