3 years ago

Please help and show work!!! Find the line perpendicular to y=-1/4x+7 and goes through the point (1,1).

Mathematics

1 answer:

expeople1 [14]3 years ago

8 0

The answer to the question

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Mr. Mandel gave his class 12 minutes to read. 5 1/2 pages in that time. At what rate, in pages per hour, did Claire read?

Eva8 [605]

5 1/2 pages in 12 minutes.
11/2 pages in 12 minutes

How many pages in an hour?
well, an hour has 60 minutes

Let's write a proportion
11/2 / 12 = x/60
cross multiply
(11/2 * 60) = 12x
330 = 12x
divide both sides by 12
27.5 or 27 1/2 = x

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3 years ago

Write 6 less than twice w as an algebraic expression

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Use the given information to determine the exact trigonometric value.

pashok25 [27]

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<u>Step-by-step explanation:</u>

$sin\theta=\dfrac{y}{h}\implies y=-1, h=5\\\\\\\text{Use Pythagorean Theorem to find x:}\\x^2 + y^2 = h^2\\x^2 + (-1)^2=5^2\\x^2+1=25\\x^2=24\\x=\sqrt{24}\\x=2\sqrt{6}$

$\text{Since }\theta\text{ is between }\pi\text{ and }\dfrac{3\pi}{2} \text{ (Quadrant III)},\text{ then x and y are negative.}\\\implies x=-2\sqrt{6}\\\\\\cos\theta = \dfrac{x}{h}\quad =\boxed{-\dfrac{2\sqrt{6}}{5}}$

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The FDA requires fast food companies to publish the nutritional content of their meals. The above table shows the fat, carbohydr

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fat: 9

carbohydrate: 4

protein: 4

Step-by-step explanation:

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