Mathematics, 09.04.2021 07:10, kelly1240

How do I turn -1/8(2)^n-1 into -2^n-4?

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Mathematics, 21.06.2019 17:30, chloerodgers56

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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?

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Mathematics, 21.06.2019 21:20, mirmir62

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32

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Mathematics, 21.06.2019 22:30, xhdud

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4