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erma4kov [3.2K]
2 years ago
13

For all of a and b, 3a (a + 2b)-b (2a-3b)​

Mathematics
1 answer:
Yuliya22 [10]2 years ago
6 0

Answer:

3a^2 + 4ab + 3b^2

Step-by-step explanation:

just trust me bro :)

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Travka [436]

Answer:

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3 years ago
Find the length of the missing sides. Round your answers to the nearest tenth. 8 y x 21
wlad13 [49]

Answer:

x = 20.8

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Step-by-step explanation:

tan(21) = 8/x

or, x = 8/tan(21)

or, x = 20.8 (rounded to the nearest tenth)

sin(21) = 8/y

or, y = 8/sin(21)

or, y = 22.3 (rounded to the nearest tenth)

Answered by GAUTHMATH

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3 years ago
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Yes. It says the sum of 2 multiplied by any number replacing the x will be less than 8.
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3 0
3 years ago
Jeannie got a new pair of eye glasses. She was able to pay $15 at the
gizmo_the_mogwai [7]

Answer:

6 months

Step-by-step explanation:

12x = 87

12x ÷ 12 = x

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72 ÷ 12 = 6

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CHECK:

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4 0
3 years ago
Read 2 more answers
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