2 years ago

Please help and explain how you got the correct answer!

Mathematics

1 answer:

Alexandra [31]2 years ago

3 0

Answer:

I am truly sorry, but all I see is Daniel the Tiger.

Step-by-step explanation:

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The function f(x)=-(x-3)^2 +9 can be used to represent the area of a rectangle with the perimeter of 12 units, as a function of

Ivenika [448]

Maximum area of the rectangle is $9cm^{2}$

Explanation:

Considering the dimensions to be in cm

$f(x) = -(x-3)^{2} +9\\f(x) = -(x^{2} +9 - 6x)+9\\f(x) = -x^{2} +6x\\f'(x) = -2x+6\\-2x+6 = 0\\2x=6\\x=3cm\\\\$

Putting the value of x = 3

$Perimeter = 2(x+b)\\12 = 2(3+b)\\6 = 3+b\\b= 3cm$

$Area of rectangle = x X b\\ = 3 X 3\\ = 9cm^{2}$

Therefore, maximum area of the rectangle is $9cm^{2}$

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2 years ago

I need desperate help

Lady_Fox [76]

Answer:

Step-by-step explanation:

y equals 1. x equals 15. 15 over 15 is 1.

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3 years ago

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Orlov [11]

I have no idea what this means im in 6th grade

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3 years ago

A 25-foot-long footbridge has two diagonal supports that meet in the center of the bridge. Each support makes a 65∘ angle with a

mamaluj [8]

The length x of a diagonal support, to the nearest tenth of a foot?

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Cuz I said so

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1 year ago

Which of the following statements describe the altitude of a parallelogram? A. It is the length of the parallelogram. B. It is p

bagirrra123 [75]

Because the altitude of parallelogram is perpendicular to the base and it is the height of the parallelogram so in this way every choices B. and C. are right sure
but than you check so choice - but there is something mistake bc. you wrote two choices D. so the second what say ,,it is used in finding area of a parallelogram" is right too

hope helped

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3 years ago

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