3 years ago

Help!!!!!!!!!!!!!!!!!!1

Mathematics

1 answer:

Veseljchak [2.6K]3 years ago

8 0

What do you need help with

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-2x + 7 = -32 i need all the steps

iris [78.8K]

Answer:

x = 19.5

Step-by-step explanation:

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2 years ago

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Which is the value of this expression when a=5 and k=-2

Zinaida [17]

Answer:

Option C is correct.

Step-by-step explanation:

We are given the expression:

$(\frac{3^2a^{-2}}{3a^{-1}})^k$

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Putting the values and solving

$=(\frac{3^2*5^{-2}}{3*5^{-1}})^-2\\=(\frac{3^{2-1}}{5^{-1+2}})^-2\\=(\frac{3^{1}}{5^{1}})^-2\\\\=(\frac{3}{5})^-2\\if \,\,a^{-1} \,\,then\,\, 1/a\\=\frac{(3)^{-2}}{(5)^{-2}}\\ Can\,\,be\,\,written\,\,as\\\\=\frac{(5)^{2}}{(3)^{2}} \\=\frac{25}{9}$

Option C is correct.

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3 years ago

Simplify 3 square root of -96

myrzilka [38]

Answer: y = x 2 + 93 x − 288

Your Welcome

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2 years ago