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Fofino [41]
2 years ago
14

PLEASE HELP!! It’s due today and i don’t know how to do it.

Mathematics
1 answer:
lara [203]2 years ago
7 0

Answer:

Step-by-step explanation:

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If a+b=2 find the value of a3+b3+6ab
mars1129 [50]

Answer:

Step-by-step explanation:

Factor the sum of cubes

a³ + b³ = (a+b)(a² - ab +b²)

= 2a² - 2ab + 2b²

a³ + b³ + 6ab = 2a² + 4ab + 2b²

= 2(a² + 2ab +b²)

= 2(a+b)²

= 8

7 0
3 years ago
Please help, I don’t really understand how to do this at all.
Alisiya [41]

Answer:

i don't know exactly.

Step-by-step explanation:

but the might be an angle tool online.

5 0
2 years ago
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If the square of a positive integer is added to 2 times the integer, the result is 195 . Find the integer
user100 [1]
A^2+2a=195
Quadratic Formula,
a=13,-15
3 0
3 years ago
How can the indicated logarithm be found? Without a calculator❓
e-lub [12.9K]

I guess you're supposed to write the expression on the right in terms of A,B,C.

18. Notice that 729=9^3, so

\log_8729=\log_89^3=3\log_89=3B

20. Notice that \dfrac{14}3=\dfrac{42}9=\dfrac{6\times7}9, so

\log_8\dfrac{14}3=\log_8\dfrac{6\times7}9=\log_86+\log_87-\log_89=A+C-B

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3 years ago
Kelly drank of the water in her bottle. She drank 3 cups of water. How many total
Harlamova29_29 [7]
3 i think , sorry if u get wrong
3 0
2 years ago
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