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denpristay [2]
3 years ago
12

Pedro cut a sheet of poster board into 10 equal parts. His brother used some of the poster board and now

Mathematics
1 answer:
ivolga24 [154]3 years ago
4 0
Pedro can make 5 posters with the remaining 5 pieces
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65yards and 2feet equall hiw many feet
Black_prince [1.1K]
We know that 1 yard equals 3 feet, therefore, we have:
65(3) + 2
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All of the following are equivalent except...
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Answer:

d) 11x^2 because that would be the same as 11x * 11x

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a parabola contains the points (0,0),(-1,-2) and (1,6). what is the equation of the parabola in standard form?
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Let the equation be:

y = ax^2 + bx + c.

Then, substitue the three points into the equation.

First point: 0 = a0^2 + b0 + c.

So  c = 0.

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So  a - b + c = -2.

Third point: 6 = a*1^2 + b*1 + c.

So  a + b + c = 6.

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a + b = 6

We add the two equations and we get:

2a = 4

a = 2

Then, we substitute a=2 into a-b=-2 and we get:

-b = -4

b = 4

Now we know a = 2, b = 4, and c = 0

Then, the equation of the parabola would be:

2x^2 + 4x

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