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Over [174]
3 years ago
8

What is the vertex of the equation y = -x 2 + 10x - 28?

Mathematics
1 answer:
Roman55 [17]3 years ago
3 0

Answer:

(5,-3)

Step-by-step explanation:

Rewrite the equation in vertex form

y =-(x-5)^2 - 3

You take the value of -5 (that would be your x value) and change it to the opposite sign -> +5

Then you take -3 (that would be your y value) and take it as it is

therefore the answer is (5, -3)

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Among all pairs of numbers with a sum of 238238, find the pair whose product is maximum. Write your answers as fractions reduced
mylen [45]

Answer:

x=119119,\;\;\;y=119119

Step-by-step explanation:

Let the x be the first number, y be the second number and p be the product of the first and second number.

i.e  x+y=238238   \Rightarrow x=238238-y

      p=xy

   \Rightarrow p=(238238-y)y\\\Rightarrow p=238238y-y^2

\Rightarrow \frac{dp}{dy} =238238-2y\\\Rightarrow 0=238238-2y\\\Rightarrow 2y=238238\\\Rightarrow y=119119

Now,

x=238238-119119\\\\ \Rightarrow x=119119

Hence, x=119119,\;\;\;y=119119

   

8 0
2 years ago
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Answer:

The answer to your question is letter A

Step-by-step explanation:

In the picture, we can observe that

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WM is a secant or a chord

WO is the radius

OF is also a radius

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3 years ago
An office supply store sells 8 pens for $4.00. If this relationship is graphed with the number of pens on the x-axis and the cos
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Solve for the variable in 6/18=x/36
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