3 years ago

5

Mathematics

1 answer:

Furkat [3]3 years ago

3 0

Answer:

I hope it is correct.....

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Whats the ratio of 100/450

Zolol [24]

the ratio of 100/450 is 600/2700

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Factor each completely?<br> A2-7a-18

alisha [4.7K]

$a^{2} -7a-18$ (-9 + 2= -7, -9*2= -18)

(a - 9)(a + 2)

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3 years ago

Line f has a slope of -3. what is the slope of the line that is parallel to line f

andre [41]

Answer:

A line parallel has the same slope, so -3

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Find the x-values that are solutions of the equation 5cot^2x-15=0

julia-pushkina [17]

First solve for the trig function 'cot'
$cot^2 x = \frac{15}{5} = 3$

Next take the sqrt of both sides (include plus/minus)
$cot x = \pm \sqrt{3}$

Now take reciprocal of both sides, this will change trig function to 'tan'
(cot = 1/tan)

$tan x = \pm \frac{1}{\sqrt{3}} = \pm \frac{\sqrt{3}}{3}$

Finally use the unit circle or inverse tan on your calculator to find x.
There will be 4 solutions, one for each quadrant.

$x = \frac{\pi}{6}, \frac{5\pi}{6}, \frac{7\pi}{6}, \frac{11\pi}{6}$

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3 years ago

Eva works as a salesperson at an electronics store and sells phones and phone accessories. Eva earns a $8 commission for every p

adoni [48]

Answer:

Hope this helps out dude!

Step-by-step explanation:

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3 years ago