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kobusy [5.1K]
3 years ago
13

I need help with this math homework

Mathematics
1 answer:
OleMash [197]3 years ago
3 0

Answer:

x=17/6, y =-16/3

Step-by-step explanation:

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Find the slope of the line through each pair of points (-12,0) (20,0)
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\frac{y2}{x2}  -  \frac{y1}{x1}
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Consider this option:
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Find all solutions to the equation in the interval [0, 2īt).<br> 4) sin 2x = -sin x
Sonbull [250]

Answer:

x={0, 2pi/3, pi, 4pi/3}

Step-by-step explanation:

First, move sin x by adding sin x to both sides. sin 2x+ sin x = 0. Next using the double angle identity, sin 2x=2(sin x)(cos x), so 2(sin x)(cos x)+sinx=0. Factoring, sin x(2cos x +1)=0. Solving, sin x=0 and 2cos x +1 = 0, or cos x = -1/2.

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cosx=-1/2. Using the unit circle, cos x= -1/2 when x=2pi/3 and x=4pi/3.

8 0
3 years ago
Emily needs to buy 2.5 pounds of pecans for a pie.If pecans cost 1.50 per pound how much will Emily pay for pecans?
AleksandrR [38]

Answer:

3.50

Step-by-step explanation:

1.50 x 2 = 3 And their is .50 left so half of 1 pound is .50 which is 3+50=3.50

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table and graph attached

Step-by-step explanation:

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