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Law Incorporation [45]
4 years ago
4

In baseball, two statistics, the ERA (Earned Run Average) and the WHIP (Walks and Hits per Inning Pitched), are used to measure

the quality of pitchers. For both measures, smaller values indicate higher quality. The following computer output gives the results from predicting ERA by using WHIP in a least-squares regression for the 2017 baseball season.
Mathematics
2 answers:
vredina [299]4 years ago
7 0

Answer:A

Step-by-step explanation:

N76 [4]4 years ago
7 0

Answer:

A

Step-by-step explanation:

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Simplify the radical expression by rationalizing the denominat o 3/11
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3 years ago
Read 2 more answers
One positive integer is 7 less than twice another. The sum of their squares is 346. Find the integers. should be 2 answers
vovikov84 [41]

Answer:

the two positive integers are x= 15, and y = 11

Step-by-step explanation:

Let the first integer be x

Let the second integer be y

from the problem we can decode the following equations

x=2y-7 ---------------------------- equation 1

x^{2} + y^{2}= 346 -------------------------equation 2

substituting the value of x into equation 2, we have

(2y-7)^{2} + y^{2}= 346 --------------equation 3

expanding, we have

4y^{2}-28y+49+y^{2}=346

5y^{2}-28y-297 = 0

from this, y = 11 or y = -5.4

since our answer is a positive integer, we will have to pick the first value of y which is y = 11

substituting the value of y into equation 1, we have

x= 2(11)-7=15

hence x = 15

Therefore, we have x= 15, and y = 11

these are the two positive integers

7 0
3 years ago
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