Mathematics, 08.11.2019 10:31 carlosiscr7

# James is researching earthquakes for a science report. he is trying to come up with his own scale to rank the intensity of an earthquake. he notices that the difference in the intensity of the smallest earthquake, x, and the largest earthquake, y, is a magnitude of several hundred thousand. james comes up with a scale that allows him to show these differences and is easy to use and interpret. which of the following functions best model the situation above?

Answers: 3

Mathematics, 21.06.2019 19:30

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Answers: 1

Mathematics, 21.06.2019 23:00

Solve for x and y. in a right triangle, a perpendicular segment, labeled x, is drawn from the right angle to the hypotenuse. the segment of hypotenuse on one side of the perpendicular segment has length 8 and has length 4 on the other side. the side of the triangle adjacent to segment of length 8 has length y. y 4

Answers: 1

Mathematics, 21.06.2019 23:40

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

Answers: 2

Mathematics, 22.06.2019 00:30

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?

Answers: 2

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