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mihalych1998 [28]
3 years ago
8

1.8+3.5y+0.9+9=16.2 plz help

Mathematics
1 answer:
saul85 [17]3 years ago
7 0

Answer:

The Awnser Is Y=9/7

Step-by-step explanation:


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Answer:

y=-\frac{2}{3}x-3

Step-by-step explanation:

To write the equation of a line we need 2 points. We know:

  • If the y-intercept of the line is -3 then the point is (0,-3).
  • If the x-intercept of the line is -4.5 then the point is (-4.5,0).

Using these two point, we will find the slope and then substitute it into the point slope form y-y_1=m(x-x_1) with a point.

Slope: m=\frac{0--3}{-4.5-0}=\frac{0+3}{-4.5}=\frac{3}{-4.5}=-0.6667

This decimal is -2/3. We will now substitute -2/3 and (0,-3) into the point slope form.

y--3=-\frac{2}{3}(x-0)\\y+3=-\frac{2}{3}(x)\\y+3=-\frac{2}{3}x\\y=-\frac{2}{3}x-3


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3 years ago
the derivative of the function f is given by f'(x)=x^2cos(x^2). How many points of inflection does the graph of f have on the op
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The point of inflection is calculated by equating the second derivative to zero and determining x from there.

f"(x) = -x²2xsinx² + cosx²(2x) = 0

2xcosx² - 2x³sinx² = 0
2x (cosx² - xsinx²) = 0

2x = 0   ⇒  x = 0
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Thus, the function only has 1 point of inflection and it is at x = 0.
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Answer:

The answer is B.

Step-by-step explanation:

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Answer:

COD, BC, intersecting

Step-by-step explanation:

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