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11Alexandr11 [23.1K]
3 years ago
5

35PTS Which expression is equivalent to

Mathematics
1 answer:
algol133 years ago
7 0

( a^6 b^ -3) ^ (1/3)

split them apart

( a^6) ^ (1/3) (b^ -3) ^ (1/3)

power to a power is multiply

a^ (6*1/3)  b^(-3*1/3)

a^2 b^-1

a^2/b

Choice D

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3(x+7)+12x-7(x+1)+9-4x<br> Need answer and explaintion
seraphim [82]

Answer:

4

x

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Step-by-step explanation:

5 0
3 years ago
I need help with this one asap please and thank you
inna [77]

Answer:

C

Step-by-step explanation:

A

(m² - 3m + 2) / (m² - m)

we see due to a little bit of experience with expressions and multiplications of expressions that

(m² - 3m + 2) = (m - 2)(m - 1)

(m² - m) = m(m - 1)

so,

(m - 2)(m - 1) / (m(m - 1)) = (m - 2) / m

so, that's not it.

B

(m² - 2m + 1) / (m - 1)

we see again

(m² - 2m + 1) = (m - 1)(m - 1)

so,

(m - 1)(m - 1) / (m - 1) = m - 1

so, that's not it.

C

(m² - m - 2) / (m² - 1)

we see again

(m² - m - 2) = (m - 2)(m + 1)

and

(m² - 1) = (m + 1)(m - 1)

so,

(m - 2)(m + 1) / ((m + 1)(m - 1)) = (m - 2) / (m - 1)

yes, that is the solution.

D

(2m² - 4m) / (2(m - 2))

2m(m - 2) / (2(m - 2)) = 2m/2 = m

no, that is not a solution.

8 0
2 years ago
Christina biked 36 miles in 6 hours. If she biked at a constant speed, how many miles did she ride in one hour?
Ahat [919]

Answer:

6

Step-by-step explanation:

because you divided the amount of mile by the amount of time it took to get your answer

5 0
3 years ago
Read 2 more answers
Help pls I no it’s simple but I don’t understand pls look at the pictures or image pls pls number 1 pls
NeTakaya

Answer: The answer would be No, Yes, No.

Step-by-step explanation:

Look at the grid, you can see that it has 100 units in all.

0.42 equals 21/50, so they are both wrong. The denominator would have to be 100. The only logical one would be the second one.

4 0
3 years ago
Need help please answer !!!
DerKrebs [107]
I feel like it might be the second one
8 0
3 years ago
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