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ipn [44]
3 years ago
9

Which expression is equivalent to 1 - 2 over 3 to the -3rd power

Mathematics
1 answer:
patriot [66]3 years ago
6 0
OK so by using <span>((1-2)/3)^-3 your answer will come to -27.</span>
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What is 9(3x+5+x) solve without using parentheses
ikadub [295]

Answer:

36x + 45

Step-by-step explanation:

given

9(3x + 5 + x) ← collect like terms inside parenthesis

= 9(4x + 5)

Multiply the terms inside the parenthesis by the 9 outside

= (9 × 4x) + (9 × 5)

= 36x + 45

3 0
3 years ago
Hi, can you help me answer this question please, thank you!
matrenka [14]

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So the critical value is 0.865.

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6 0
3 years ago
Divide thirty-one point five by ten
Nutka1998 [239]
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5 0
3 years ago
Read 2 more answers
nicole and adam are each saving money for a car. the total amount of money nicole will save is represented by the function f(x)=
Natalija [7]
They will have the same amount of money after 7 weeks.

We first set these equal to each other:
36+4x=x²+15

We want to gather all of the variables on one side.  Subtract 4x from both sides:
36+4x-4x=x²+15-4x
36=x²-4x+15

We want the equation to be equal to 0 to solve it, so subtract 36 from both sides:
36-36=x²-4x+15-36
0=x²-4x-21

We can factor this expression.  We want factors of -21 that sum to -4; -7(3)=-21 and -7+3=-4:
0=(x-7)(x+3)

Using the zero product property, we know that x-7=0 or x+3=0; this means x=7 or x=-3.  Since a negative number of weeks makes no sense, the answer is 7 weeks.
6 0
3 years ago
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