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JulsSmile [24]
2 years ago
5

Equivalent expressions: negative numbers & distribution

Mathematics
1 answer:
frez [133]2 years ago
8 0

Answer:

C) None of the above

When you simplify -6+4q+(-6q), you'll end up with -2q-6, which isn't present between the two choices.

-6(q+1)-4q = -10q-6, so that can't be the answer

2(q-3) = 2q - 6. But the 2q isn't negative, so therefore, this isn't the answer either

Therefore, the answer is C: None of the above

<em>Hope this helped!</em>

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What is the 20th term of the arithmetic sequence?
podryga [215]
You just need to substitute 20 for x and then solve.

a(20) = -5 +(20-1)3

Simplify: a(20) = -5 + (60-3)

Simplify: a(20) = -5 + 57

Result: a(20) = 52

So, 52 is the 20th term of the arithmetic sequence.
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3 years ago
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masha68 [24]

Answer:

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2 years ago
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qaws [65]
They own a total of 120 CDs.

GIVEN:
Ella: ratio of rock music to total CDs that she owns 25/40
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Proportion: a/b = c/d where ad = bc

25/40 = 50/x
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Total of Ella's CDs       =  40
Total of Paolo's CDs   =<u>  80</u>
Total CDs in all               120


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3 years ago
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You can easily tell which one is the outlier, the first data set's outlier is 13, because it is was placed so far away from the other data points.

We know that the first data set is correct because all of the other data sets have numbers that are clustered together.

~Hope I helped!~
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