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m_a_m_a [10]
2 years ago
12

3/7+[-6/11]+[-8/21]+[5/22]​

Mathematics
2 answers:
GenaCL600 [577]2 years ago
8 0

Answer:

-125/462

Step-by-step explanation:

This is my answer... hope it really helps you

SIZIF [17.4K]2 years ago
7 0

Answer:

3/7+(-6/11)+(-8/21)+(5/22)

3/7-6/11-8/21+5/22

now we need to take LCM for 7,11,21,22

so the LCM=462

198-252-176+105/462

303-428/462

-125/462

Step-by-step explanation:

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Answer:

y = 4x - 12

Step-by-step explanation:

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8 0
3 years ago
Aubree practices the piano 1197 minutes in 3 weeks. At what rate did she practice, in minutes per day?
Norma-Jean [14]

Answer:

57

Step-by-step explanation:

We need to create a ratio. so Aubree practices the piano for 1197 min: in 3 weeks. So for 1 week, we have to divide 1197 by 3, so 1197/=399. And so we know that 1 week is 7 days, just divide 399 by 7! 399/7=57. The rate that she practiced per day is 57 minutes. So one last final step just to check if this answer is correct is to divide 57 by 60, and that is 0.95. 0.95 out of 1.00 minutes per day is 95/100. Cross multiply with x/60, and you will get your answer, which is 57.

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1 year ago
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amm1812

Answer:

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Step-by-step explanation:

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3 years ago
The inverse of x y is: x y x y y x x y y x
serg [7]

Answer:

The inverse of xy is yx.

Step-by-step explanation:

Given:  xy

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To find inverse of an expression, we need to replace the variable x by y and y  by x.

Given xy.

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