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2 years ago

7

In need help with this finding function

1 answer:

hjlf2 years ago

4 0

Is there a picture? I can’t see one

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The rectangle below has an area of 81-x^2 square meters and a width of 9-x meters. What expression represents the length of the

oksian1 [2.3K]

For this case we have that by definition, the area of a rectangle is given by:

$A = w * l$

Where:

w: Is the width of the rectangle

l: is the length of the rectangle

According to the data of the statement we have:

$A = 81-x ^ 2\\w = 9-x$

So, the length is given by:

$l = \frac {A} {w}\\l = \frac {81-x ^ 2} {9-x}$

We factor the numerator:

$l = \frac {(9 + x) (9-x)} {9-x}$

We simplify:

$l = 9 + x$

So, the length is $9 + x$

Answer:

$9 + x$

3 0

3 years ago

Which inequality is not true?

vitfil [10]

Answer:

b -7/8 > -0.50

Step-by-step explanation:

is your answer

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3 years ago

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You deposit $200 in an account earning 2% interest compounded annually how much will you have any account in 10 years

Naddik [55]

Answer:

$240

Step-by-step explanation:

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3 years ago

H=(-5) answer needed now!!!!

wariber [46]

Answer:

-2

Step-by-step explanation:

h(-5) represents the y value when x is -5.

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4 years ago

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igor_vitrenko [27]

Answer:

6✓2=8.49

✓8.49^2-6^2

✓ 36

6

✓24^2+6^2

✓612

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3 years ago