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astraxan [27]
3 years ago
11

How long will it take a car to travel 400 miles at an average rate of 50mph

Mathematics
1 answer:
wel3 years ago
5 0
The answer is 8 hours
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Write the equation of the circle graphed below.
Darina [25.2K]

Answer:

Your equation is (x - 1)^2 + (y +1)^2 = (\frac{1}{2}  )^2

Step-by-step explanation:

Well, the center origin of the circle is given (h,k) =  (1,-1).

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Using the formula: (x - h)^2 + (y - k)^2 = r^2

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2 years ago
Betty and Andrea have been solving systems of equations with one polynomial function of degree two and one linear function. Bett
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A system of equations with one polynomial function of degree two and one linear function will have two solutions when the line intersects the parabola at two points.

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A system of equations with one polynomial function of degree two and one linear function will have one solution when the line intersects the parabola at one point.

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For the first question the problem is simple. He is essentially going around 2 sides of a triangle, instead of along the hypotenuse. You would have to use Pythagoras' theorem for the real answer, a^2 + b^2 = c^2. However, for question 15, i don't know, I'm pretty sure this is an American question and I'm British, I don't believe I have ever encountered ordered pairs, or at least i don't remember learning them. Hope this helps ;)
6 0
3 years ago
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