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Soloha48 [4]
3 years ago
11

Which expression is equivalent to (2^3)^-5

Mathematics
2 answers:
Tcecarenko [31]3 years ago
8 0

Answer:

C). 2^8

Got it correct on edge

Ostrovityanka [42]3 years ago
3 0
Hi!

You didn't list the options, but I think I know the answer. Let me know if my answer isn't listed! :)

(x^{3} )^{-5}
We need to multiply the exponents.
3 · -5 = -15

The answer is 2^{-15}

Hope this helps! :)
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Solve by factoring x^2 + 8x =9
Helen [10]

Answer:

x=-9,\:x=1

Step-by-step explanation:

x^2+8x=9\\x^2+8x-9=0\\(x+9)(x-1)=0\\x=-9,\:x=1

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2 years ago
The sum of 2 numbers is 23. seven less than five times the smaller is equal to the largrr
kirill115 [55]
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3 years ago
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16

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4 years ago
Olive buys indie music online. Each song costs $2 plus a $5 fee for using the artist's site. She has no more than $40 to spend.
SCORPION-xisa [38]
In constructing an inequality, you need to know the following:

1. What don't we know? How many songs can be bought? So, let x be the numbers of songs.
2. What do we know? Each songs costs $2 plus a fee for using the artist's site of $5.
3. Is there more than 1 possible solution? Yes, because there is enough money left if she only bought 1 song.

The meaning of no more than $40 means it must not exceed $40, $40 or less, or only $40.

So, song + fee can't be more than $40 and song + fee could equal to $40.

Therefore, song + fee for using an artist's site less than or equal to $40.
Final Answer: 2x+5 <= 40
7 0
4 years ago
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