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tester [92]
3 years ago
11

Please hellllllllppppppppppppppppppppppppppp

Mathematics
1 answer:
vitfil [10]3 years ago
5 0

Answer:

21^{10}

Step-by-step explanation:

First, multiply the 3 and the 7 together, and then "multiply" the exponents -8 and 3. (However, when "multiplying exponents, you're really just adding them together: -8 + 5)

(21^{-5})^2

Then, multiply the -5 and -2 together, giving you:

21^{10}

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these problems been confusing me for a while- if you could please help me with the answers that would be amazing.
bulgar [2K]

Answer:

Angle 1 = 85*

Angle 3 = 85*

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Angle 8 = 95*

Step-by-step explanation:

Since angle 2 is 95*, angle 4 would be the exact same. Now you add 95+95=190 and subtract that from 360. 360-190=170. Then divide 170 by 2= 85 to get the measurements for 1 and 3.

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3 years ago
One half the square of a number is less than a second number. The sum of 3 and the opposite of the second number is greater than
Ivanshal [37]

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
3-X²=-7<br><br> How do I solve
irga5000 [103]

Answer:

x = 3.162

Step-by-step explanation:

Your first step is to get x by itself by subtracting 3 from both sides.

3-x^{2} = -7

-x^{2} = -10

Now multiply by both sidex by -1 to make x positive.

x^{2} = 10

now take the square root of both sides.

\sqrt {x^{2} = \sqrt{10}

x = \sqrt{10}

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8 0
3 years ago
ASAP PLEASE—-Mackenzie placed 5 pieces in the puzzle for bc every 4 pieces her little brother placed. If Mackenzie’s little brot
Alex_Xolod [135]

Answer:

45 pieces.

Step-by-step explanation:

First, if the ratio is 5 : 4, then is you multiply 4 x 5 to get 20, you need to multiply 5 x 5 to get 25.

Second, 20 + 25 = 45 which is the total amount of puzzle pieces.

Hope this helps!

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3 years ago
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