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3 years ago

20 POINTS JUST FOR YOU IF YOU GET IT RIGHT

Mathematics

1 answer:

marusya05 [52]3 years ago

3 0

Answer:

Because it is given that q ║ r and r ║ s, then q ║ s by the TRANSITIVE PROPERTY OF PARALLEL LINES. This means that 1   2 because the CORRESPONDING

ANGLES THM. Because b  q, m1 = 90. So, m2 =90. This means s  b, by definition of

perpendicular lines. It is given that a  s, so a ║ b BECAUSE IF TWO LINES ARE PERPENDICULAR

TO THE SAME LINES, THOSE LINES MUST BE PARALLEL

Step-by-step explanation

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Your cell phone plan costs $24.99 per month plus $0.14 for each text message you send or receive. You have at most $29 to spe

galina1969 [7]

Answer: You can send or receive a maximum of 21 text messages per month.

Step-by-step explanation:

First, you need to take out the number the phone bill costs (24.99)

29 - 24.99 = 4.01

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3 years ago

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2 years ago

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erastova [34]

Answer:

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Step-by-step explanation:

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2 years ago

Evaluate B² for B = 9. 18 81 92

s344n2d4d5 [400]

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3 years ago

Help answering this simple Series Question? I don't know what I did wrong!

Tatiana [17]

Looks like you just evaluated the summand for the given value of $n$ , whereas the question is asking you to find the value of the sum for the first $n$ terms.

Let $S_k=\displaystyle\sum_{n=1}^k\frac3{(-2)^n}$ . Then $S_k$ is the $k$ th partial sum.

$S_1$ happens to be the first term in the series, which is why that box is marked correct:

$S_1=\displaystyle\sum_{n=1}^1\frac3{(-2)^n}=\frac3{(-2)^1}=-1.5$

But the next partial sum is not correct:

$S_2=\displaystyle\sum_{n=1}^2\frac3{(-2)^n}=\frac3{(-2)^1}+\frac3{(-2)^2}=-0.75$

and this is not the same notion as the second term (which indeed is 0.75) in the series.

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3 years ago