4 years ago

Which graph represents a quadratic function with a vertex at (0,0)

1 answer:

7 0

Answer:

parabola On a coordinate plane, a parabola opens up. It goes through (negative 5, 6), has a vertex of (0, 0), and goes through (5, 6). On a coordinate plane, a parabola opens up.

Step-by-step explanation:

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The length of a rectangle is 2 feet less than twice the width. The area of the rectangle is 180 feet squared. Find the length an

Ksenya-84 [330]

Answer:

Width=10

Length=18

Step-by-step explanation:

The length is 2 feet less then twice the width

Let the width be x.

Then the length is 2x -2 based on the given information. Use this to make an equation since it is known that the area is 180feet squared.

x(2x-2)=180

2x^2 - 2x - 180 = 0

2( x^2 - x - 90) = 0

We now have a factorable quadratic.

2(x+9)(x-10)=0

So by zero product property, x=-9, x=10 Since a measure cannot be negative, -9 is an extraneous solution.

So x=10

Then the width is 10 and the length is 18

Hope this helps! Let me know if it is correct!

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4 years ago

1. Twelve years ago, your grandma put money into a savings account for you that earns 7.5% interest annually and is

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Answer:

23,817$

Step-by-step explanation:

And you will have earned 13,817 in interest.

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At 10:05 a.m., there are 2 microscopic bacteria cells in the bottle. At 10:15 a.m., there are 8 cells in the bottle. At what tim

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11:45 it will have 66 ?? so I don’t know hope that helps

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4 years ago

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A solution to a system of equations is at the point of intersection.

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Answer:

true

Step-by-step explanation:

i dont have an explanation its just true

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Answer:

Step-by-step explanation:

The answer to life the universe and everything is 42

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