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Mademuasel [1]
2 years ago
12

Which equation represents a line which is perpendicular to the y-axis?

Mathematics
2 answers:
snow_lady [41]2 years ago
7 0
The answer will be Y= x - 4
nika2105 [10]2 years ago
4 0

Answer:

The real answer is y=5

Step-by-step explanation:

because its horizontal

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Commission-An instruction/command given to a person or group of people.

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Which of the following is equivalent to 0 equals 3 x squared minus 12 x minus 15 when completing the square?
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x = 5, -1

Step-by-step explanation:

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3 years ago
A page should have perimeter of 42 inches. The printing area within the page
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Overall  dimensions of the page in order to maximize the printing area is  page should be 11 inches wide and 10 inches long .

<u>Step-by-step explanation:</u>

We have , A page should have perimeter of 42 inches. The printing area within the page  would be determined by top and bottom margins of 1 inch from each side, and the  left and right margins of 1.5 inches from each side. let's assume  width of the page be x inches  and its length be y inches So,

Perimeter = 42 inches

⇒ 2(x+y) = 42\\x+y = 21\\y = 21-x

width of printed area = x-3  & length of printed area = y-2:

area = length(width)

area = (x-3)(y-2)\\area = (x-3)(21-x-2)\\area = (x-3)(19-x)\\area = -x^{2} + 22x -57

Let's find \frac{d(area)}{dx}:

\frac{d(area)}{dx} = \frac{d(-x^{2}+22x-57)}{dx} = -2x +22 , for area to be maximum \frac{d(area)}{dx}= 0

⇒ -2x+22 = 0\\2x =22\\x=11 inches

And ,

y = 21-x\\y = 21-11\\y = 10 inches

∴ Overall  dimensions of the page in order to maximize the printing area is  page should be 11 inches wide and 10 inches long .

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The mathematical name for a can of soup is a cylinder.
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