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4 years ago

9

Factor the polynomial completely: 16t*2-24t+9

1 answer:

romanna [79]4 years ago

6 0

the factord form is =32t−24t+<span>9</span>

<span>equals =</span>8t+9

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Factor the expression<br> 7x^2 + 50x + 7<br> (Type your answer in factored form.)

alina1380 [7]

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Step-by-step explanation:

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3 years ago

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The sum of the base and height of a triangle is 14 cm. Which of the following equations could be used to find the maximum area o

Montano1993 [528]

Answer:

B

Step-by-step explanation:

Let the base of the triangle be <em>b</em> and the height be <em>h</em>.

The sum of the base and height is 14. Thus:

$b+h=14$

Recall that the area of a triangle is given by:

$\displaystyle A=\frac{1}{2}bh$

From the first equation, solve for either variable:

$h=14-b$

Substitute:

$\displaystyle A=\frac{1}{2}b(14-b)$

Distribute:

$\displaystyle A=\frac{1}{2}(14b-b^2)$

Distribute:

$\displaystyle A=-0.5b^2+7b$

Let <em>b</em> = <em>x</em>. Hence:

$A=-0.5x^2+7x$

Therefore, our answer is B.

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