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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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The first three steps of completing the square to solve the quadratic equation x^2+4x-6=0 are shown below.
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Take the sqrt of both sides of <span>(x+2)^2=10:

x+2 = plus or minus sqrt(10)

Solve for x:  x = -2 plus or minus sqrt(10)

Evaluate x:  x = -2 + sqrt(10)  AND  x = -2 - sqrt(10)       (answers)

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5 0
3 years ago
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inysia [295]
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3 0
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snow_tiger [21]
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Are there whole numbers that are not integers
zavuch27 [327]

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4 0
3 years ago
HELP!!!!
Nonamiya [84]
Your answer is E. $25.

First let under 12 = u, over 12 = o, and adults = a.
We can now write the equations:

2u + 3a + 3o = 174
4u + 2a = 122
a + o = 46

Because we know that a + o = 46, and 3a + 3o is in the first equation, we can multiply 46 by 3 to get what 3a + 3o equals. This makes 138.
Now we can substitute 138 into the first equation to get 2u + 138 = 174
2u = 36
u = 18

Now that we know what u equals, we can substitute it in to the second equation to get:
4(18) + 2a = 122
72 + 2a = 122
2a = 50
a = $25

I hope this helps! Let me know if you have any questions :)
8 0
3 years ago
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