Mathematics, 21.06.2019 23:50, Angel4345

# Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

Answers: 3

Mathematics, 21.06.2019 16:40, Marley3082

For 100 births, p(exactly 56 56 girls) equals = 0.0390 0.0390 and p( 56 56 or more girls) equals = 0.136 0.136. is 56 56 girls in 100 births a significantly high number of girls? which probability is relevant to answering that question? consider a number of girls to be significantly high if the appropriate probability is 0.05 or less.

Answers: 2

Mathematics, 21.06.2019 18:30, AgentPangolin

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Answers: 1

Mathematics, 21.06.2019 19:20, alexcarrasco5903

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?

Answers: 3

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