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3 years ago

7

I need help ASAP ???

1 answer:

kondor19780726 [428]3 years ago

5 0

Answer:

He said he accidentally sent this so I just want everyone who reads this to have a good rest of their day:)

Step-by-step explanation:

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Cristina wants to make centerpieces for a dinner party. She buys 7 cylindrical vases and plans to fill them each halfway with co

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403.2 cubed inches because 3 times 4 times 3.14 is 403.15 which rounds to 403.2

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3 years ago

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Help quick! i will give you 20 points. You have 412 pints of ice cream for your birthday party. If you are going to serve 34 pin

coldgirl [10]

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The figures below are made out of circles, semicircles, quarter circles, and a square. Find the area and the perimeter of each f

WITCHER [35]

Answer:

Part 1) $A=36(\pi-2)\ cm^2$

Part 2) $P=6(\pi+2\sqrt{2})\ cm$

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

Part 1) Find the area

we know that

The area of the shape is equal to the area of a quarter of circle minus the area of an isosceles right triangle

so

$A=\frac{1}{4}\pi r^{2}-\frac{1}{2}(b)(h)$

we have that the base and the height of triangle is equal to the radius of the circle

$r=12\ cm\\b=12\ cm\\h=12\ cm$

substitute

$A=\frac{1}{4}\pi (12)^{2}-\frac{1}{2}(12)(12)\\A=(36\pi-72)\ cm^2$

simplify

Factor 36

$A=36(\pi-2)\ cm^2$

Part 2) Find the perimeter

The perimeter of the figure is equal to the circumference of a quarter of circle plus the hypotenuse of the right triangle

The circumference of a quarter of circle is equal to

$C=\frac{1}{4}(2\pi r)=\frac{1}{2}\pi r$

substitute the given values

$C=\frac{1}{2}\pi (12)\\C=6\pi\ cm$

Applying the Pythagorean Theorem

The hypotenuse of right triangle is equal to

$AC=\sqrt{12^2+12^2}\\AC=\sqrt{288}\ cm$

simplify

$AC=12\sqrt{2}\ cm$

Find the perimeter

$P=(6\pi+12\sqrt{2})\ cm$

simplify

Factor 6

$P=6(\pi+2\sqrt{2})\ cm$

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4 years ago

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The answer would have to be 10

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3 years ago

Solve for the variable -3x 4 > 5

Ierofanga [76]

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4 years ago