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3 years ago

15 POINTS! What is the correct answer for Dean's problem? Explain where he went wrong.

Mathematics

1 answer:

prohojiy [21]3 years ago

8 0

Answer:

The slope is 5/-2.

Step-by-step explanation:

Slope is y1-y2 over m1-m2 (rise over run). The first ordered pair is -2 (m1) and 11 (y1). We then subtract the second ordered pair (4 (m2) and -4 (y2)) from the first.

11 - (-4) = 11 + 4 = 15

-2 - 4 = -6

Remember, slope is rise over run (y over x), so the slope is 15/-6. Now, we must simplify. 15/-6 = 5/-2

Dean went wrong because he thought that slope was run over rise (x over y). If he had switched the two numbers, his answer would have been correct.

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2 years ago

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Answer:

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Step-by-step explanation:

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Therefore arc A from x-axis will be A = 2πr(∅/360) = 2×3.14×6380×(47/360)

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