Given the line below.

Mathematics

1 answer:

Elza [17]3 years ago

7 0

The slope of that line is -1, so m = -1.

The point you were told to use is (-2,2), so point-slope form starts as:

( y - 2 ) = -1 • ( x - (-2) )

But we'd clean up that x-(-2) to be x+2.

y - 2 = -1 ( x+2 )

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2r2 + 3s3 − r2 + 4t2 − r2 if r = −2, s = −3, and t = 5

Strike441 [17]

2r2 + 3s3 − r2 + 4t2 − r2

= 19

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3 years ago

Cot (15 degrees)

STatiana [176]

Answer:

Part I: cot(15 degrees) = cot(45 - 30)

Part II: Evaluation is below

Step-by-step explanation:

Everything is done in degrees

Two angles that differ by 15 degrees that is easy to evaluate is 30 degrees and 45 degrees. The cot(15 degrees) = cot(45 - 30) = 1/tan(45-30) = (1+tan45tan30)/(tan30 - tan45) = (1+ sqrt(3))/(sqrt(3) - 1)

We rationalize this by multiplying 1+ sqrt(3) in the top and bottom, getting:

(4 + 2sqrt(3))/2 = 2 + sqrt(3)

I hope this helps! :)

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2 years ago

Does the given set of points determine a plane? Circle Yes or no

avanturin [10]

Yes it does determine a plane

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3 years ago

The scores of 4th and 5th graders on a test about polygons and their characteristics are summarized below

nlexa [21]

Answer: Part A: In which grade did the students do the best? Answer; 4th grade, they have a higher median of 68

Part B: what best describes the shape of the two graphs? Answer: 5th grade is roughly symmetrical without letters in fourth grade is skewed right

Step-by-step explanation: That’s for the answers for the 3rd question on Topic 4 of Section 9. Hope that helped:))

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3 years ago

Might cut half my hair.

ycow [4]

Answer:

well if you are a boy and don't like long hair then sure... but if you are a girl then don't cut... I mean I like long hairs... but it's your choice so.. ok

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3 years ago

Read 2 more answers