A line that goes through the origin and the point (10,5) Slope?

Mathematics

1 answer:

Travka [436]3 years ago

4 0

Answer:

the slope should be 2

Step-by-step explanation:

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Cot (15 degrees)

STatiana [176]

Answer:

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

Part II: Evaluation is below

Step-by-step explanation:

<em>Everything is done in degrees</em>

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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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3 years ago

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Vlad [161]

(2x 6)(x-1)=0 happy to help :)

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3 years ago

Given I=prt,where I=4.5,p =500,and t=2.5,what is r as a percent?

KIM [24]

PLUG in the numbers
4.5=500 x R x 2.5
divide both sides by 500
0.009=R x 2.5
divide 2.2 to both sides
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In percent you have to multiply by 100 which is 0.36%

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3 years ago

To decrease an amount by 7%, what single multiplier would you use?

Fofino [41]

To decrease something at 100% by 7% is:

100% - 7% = 93%

You multiply the original value by 0.93 to decrease it from it's original value by 7%

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3 years ago

Several students were asked to name the kinds of animals they saw in the past week at the park. Determine the ratio that compare

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Answer: