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Elenna [48]
3 years ago
14

1) 9x²y3 + 3x²y3 – 2x´y3 Simplify completely

Mathematics
1 answer:
koban [17]3 years ago
6 0

Answer:

36x^2y-6y

Step-by-step explanation:

9x^2y\cdot \:3+3x^2y\cdot \:3-2x'\:y\cdot \:3,

x`=1

9x^2y\cdot \:3+3x^2y\cdot \:3-2\cdot \:1\cdot \:y\cdot \:3

Simplify 9x2y· 3+3x2y· 3−2· 1· y· 3:    36x2y−6y

36x^2y-6y

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sing the expression x + 3, write one equation that has one solution, one equation that has no solution, and one equation that ha
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Answer:  one solution  x + 3 = 5   x = 2   no other other value for x is possible

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6 0
4 years ago
Which inequality would result in the shaded solution on the unit circle to the right?
omeli [17]
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Explanation:

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Sine is positive in quadrants I and II. So far it looks like choice B could work. In fact, it's the answer because sin(pi/6) = 1/2 and sin(5pi/6) = 1/2. So if 0 ≤ sin(x) < 1/2, then we'd shade the region between theta = 0 and theta = pi/6; as well as the region from theta = 5pi/6 to theta = pi.

Choice C is ruled out because tangent is positive in quadrants I and III, but quadrant III isn't shaded.

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3 years ago
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