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Sauron [17]
3 years ago
10

Please help me with a math question ASAP!!! Will give Brainliest

Mathematics
2 answers:
Softa [21]3 years ago
7 0
Hey y’all can you please please add me 557rg and I will give you brainlest phone number please please add
Anton [14]3 years ago
6 0

Answer: 128

Step-by-step explanation: 3 x -2 + 70 = 64 + -2 + 70 = 128

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Simply<br> (2k-9)^2+(k+2)^2=(2k+1)^2+(k-8)^2
vova2212 [387]

The square of a binomial expands as follows:

(a+b)^2=a^2+2ab+b^2

Expanding all the binomials, we have

4k^2-36k+81+k^2+4k+4=4k^2+4k+1+k^2-16k+64

Sum like terms:

5k^2-32k+85=5k^2-12k+65

Simplify terms appearing on both sides:

-32k+85=-12k+65

Move all terms involving k to the left and all numbers to the right:

-20k=-20

Divide both sides by -20:

k=1

6 0
4 years ago
What is the sign of -9. (0/-3)
katovenus [111]

Answer:

- is the answers for the question

Step-by-step explanation:

please mark me as brainlest

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3 years ago
Plz help im taking a quiz &amp; im stuck 10 points!!!!!!!!!!!!!!!!!!
Delvig [45]

Answer:

Thanks for asking!

Step-by-step explanation:

The answer is D

5 0
3 years ago
What will be the answer if we multiply a+b by ab
VARVARA [1.3K]

Step-by-step explanation:

(a+b)(ab)

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3 years ago
Can you help me with this??
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8*8 - 4*4*pi*(1/2) = 64 - 8*pi
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