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3 years ago

Write an equation of the circle with center (-2, 7) and radius 9.

Mathematics

1 answer:

Andrei [34K]3 years ago

8 0

(x+2)^2 + (y-7)^2 = 9^2

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Multiply (2-5i)(2+5i)

Ksenya-84 [330]

Answer:

Step-by-step explanation:

4 - 25i^2

4 - 25x(-1)

4 + 25 = 29

the ^2 means exponent 2

7 0

3 years ago

Solve for a <br><br> . 1/2a = 11

lawyer [7]

0.1/2a=11
0.5a=11
times both sides by 2
a=22
I think
or if you divide it would be 5.5

4 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=%5Bx%5E%7B2%2F5%7D%20%5D%5Bx%5E%7B1%2F5%7D%20%5D" id="TexFormula1" title="[x^{2/5} ][x^{1/5} ]

LUCKY_DIMON [66]

Answer:

$[x^{2/5} ][x^{1/5} ] \\ \\ = {x}^{ \frac{2}{5} + \frac{1}{5} } \\ \\ = {x}^{ \frac{2 + 1}{5} } \\ \\ = {x}^{ \frac{3}{5} } \\$

6 0

3 years ago

Solve this problem <br> 7|8-3h|=21h-49

tatiyna

Answer:

h=5/2

Step-by-step explanation:

5 0

4 years ago

What is 362 equal to 126 substracted from r?

Brut [27]

Answer:

488 = r

Step-by-step explanation:

362 = -126 + r

126 +126

----------------

488 = r

I am joyous to assist you anytime.

4 0

4 years ago