3 years ago

Which expression represents the series ?

Mathematics

1 answer:

Bas_tet [7]3 years ago

5 0

Is this for a quiz? It looks familiar

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the first one is correct

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Samantha bought 10 identical shirts for $25. If she bought 25 of those same shirts, how much will she pay?

tatiyna

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At the football game, Joe carried the ball four different times. He had a loss of 15, a gain of 2, a loss of 5, and a gain of 7.

juin [17]

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3 years ago

Plz help me well mark brainliest if correct!!....

Makovka662 [10]

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determine the maximum or minimum of the quadratic function. express your answer in the form (x,y) and using decimals rounded to

kolezko [41]

We are given the following quadratic equation

$f(x)=2x^2+7x-10$

The vertex is the maximum/minimum point of the quadratic equation.

The x-coordinate of the vertex is given by

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

Comparing the given equation with the general form of the quadratic equation, the coefficients are

a = 2

b = 7

c = -10

$h=-\frac{b}{2a}=-\frac{7}{2(2)}=-\frac{7}{4}=-1.75$

The y-coordinate of the vertex is given by

$\begin{gathered} f(x)=2x^2+7x-10 \\ f(-1.75)=2(-1.75)^2+7(-1.75)-10 \\ f(-1.75)=2(3.0625)^{}-12.25-10 \\ f(-1.75)=6.125^{}-12.25-10 \\ f\mleft(-1.75\mright)=-16.13 \end{gathered}$

This means that we have a minimum point.

Therefore, the minimum point of the given quadratic equation is

$(-1.75,-16.13)$

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1 year ago

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