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djyliett [7]
3 years ago
13

What is the slope of the line represented by this equation -3x+8y=12

Mathematics
1 answer:
kolbaska11 [484]3 years ago
3 0
The answer would be -3/8x
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Please help me too in if sin w=-0.5 and w is a degree measure in the third quadrant, find w.
MissTica
Do you remember your unit circle? If sin ω = was -1/2, then it would be 7<span>π/6. If you're unfamiliar with the unit circle, we can derive it.

So, you know that sin is OPPOSITE/HYPOTENUSE, and it's in the third quadrant, where x and y would be negative. If sin </span>ω = -1/2, that means that ω = 1/sin*(-1/2), or sin^(-1)*(-1/2). Let's ignore the negative for now and plug sin^(-1)*(-1/2) into your calculator in radians. You get (1/6)π. But that's in Quadrant 1. We want it in Quadrant 3.

In one complete revolution, or 360°, there are 2π radians. That means, if you want to rotate it 180°, you need to add π to what you originally got.
π+(1/6)π=(7/6)π.

I highly recommend you memorize the unit circle if you haven't already, because you'll need it from Precalculus on.
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3 years ago
Moesha needs $79 for a class trip. She already has $22 and she can earn the rest by babysitting for 8 hours. If h represents her
elena55 [62]

Answer:

79-22=8h

Step-by-step explanation:

She can earn the rest by babysitting for only 8 hours,

so take 22 from 79, divide the total by 8 and that is how much she gets per hour (8h)

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The DVD player shows the time of day as 1:43.
steposvetlana [31]

Answer:

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Step-by-step explanation:

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5/x^2+3x-2y is polynomial
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Step-by-step explanation:

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