3 years ago

A formula for the perimeter of a rectangle is P=2(l+w), where P is the perimeter, l is the length, and w is the width.

Mathematics

1 answer:

NNADVOKAT [17]3 years ago

7 0

1408 because you need to multiply it to get the perimeter

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What is the equation of line perpendicular to y-3=-4(x+2) and passee through the point (-5,7

netineya [11]

Answer: $y=\frac{1}{4}x+\frac{33}{4}$

Step-by-step explanation:

1. By definition, two slopes are perpendicular if their slopes are negative reciprocals of each other. So, let's find the slope of the other line.

2. The equation given in the problem is written in Point-slope form:

$y-y_1=m(x-x_1)$

Where m is the slope.

3. Therefore, the slope of its perpendicular line must be:

$m=\frac{1}{4}$

4. You have the point (-5,7), so you can substitute it into the point-slope formula to find the equation of the new line:

$y-7=\frac{1}{4}(x+5)$

5. In slope intercept form is:

$y=\frac{1}{4}x+\frac{5}{4}+7\\y=\frac{1}{4}x+\frac{33}{4}$

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3 years ago

Gymnast Clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. Its cost (in dollars)

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Revenue, R = 130x

Profit, P = Revenue – Cost

P = R – C

P = 130x – 2950 + 6x + 0.1x^2

At P = 0

0 = -2950 + 136x +0.1x^2

X = 21.355, -1381.355

Therefore, manufacture greater than 21.355 items to make profit.

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4 years ago

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Which of the following sets of measurements could be the side lengths of a right triangle?

nordsb [41]

Would have to be C due to all the other numbers not adding up to be a right angle

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3 years ago

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The formula for any geometric sequence is an = a1 · rn - 1 , where a n represents the value of the n th term, a1 represents the

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Answer:

an = -3·2^(n-1)

Step-by-step explanation:

The first term is a1 = -3.

The common ratio is r = -6/-3 = 2.

The given formula tells you the formula for this sequence is ...

an = -3·2^(n-1)

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3 years ago

There are 360 people in a movie theater. Of these people, 35% bought student tickets, and 45% bought adult tickets. The rest bou

mafiozo [28]

Answer:

20%

Step-by-step explanation:

35+45 = 80

100-80=20

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3 years ago

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