2 years ago

She counted the money and found out she has $14.90 in the jar. How many dimes and quarters does she have?

Mathematics

1 answer:

nikdorinn [45]2 years ago

5 0

Answer:

There're too much possibilities of the answer.

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What is the value of c in the equation y = 4x^2 -10x + c if the y-coordinate of the vertex is -7

love history [14]

Answer: $c=-\frac{3}{4}$

Step-by-step explanation:

Find the x-coordinate of the vertex with this formula:

$x=\frac{-b}{2a}$

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Substituting values, we get:

$x=\frac{-(-10)}{2(4)}=\frac{5}{4}$

Now we can substitute the coordinates of the vertex into the equation $y = 4x^2 -10x + c$ and then solve for "c".

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