3 years ago

How do you find the value of t in -t/7=1/15

1 answer:

3 0

First, multiply the 7 on both sides.
$\frac{-t}{7} = \frac{1}{15}$
$-t = \frac{7}{15}$
Finally divide by -1 on both sides to get t = -7/15 as your answer.

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The length of a rectangle represented by 4a plus 3B and it's width is represented by 3a minus 2b. Write a polynomial for the per

Svetach [21]

The polynomial for the perimeter starts from the formula for the perimeter of a rectangle as written below:

Perimeter = 2L + 2W = 2( L + W)
Perimeter = 2(4A + 3B + 3A - 2B)
Perimeter = 2(7A - B)
Let perimeter be P,
P = 14A - 2B --> this would be the polynomial

Let's substitute A=12 to the polynomial:
P = 14(12) - 2B = 168 - 2B
To determine the minimum P, set it to 0.0001.
0.0001 = 168 - 2B
B = 83.999 or 84

Thus, the minimum perimeter is achieved if the value of B approached to 84.

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3 years ago

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