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eduard
3 years ago
12

What is the common denominator? 3 4/9 and 2 5/6

Mathematics
1 answer:
Andrew [12]3 years ago
5 0
18 is the common denominator
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Surface area = 2 pi (3x-2)^2 + 2 pi  (3x -2) ( x + 3)

= 2 pi (9x^2 - 12x + 4 + 3x^2 + 7x - 6

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Finding the x intercepts and the vertex of a parabola
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Features of a Parabola

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1 year ago
Ignore the writing but someone help please
vazorg [7]

Part (a)

The picture alone, without the frame, is 16 by 20

When accounting for the frame, the larger rectangle is 16+2x by 20+2x

We add up all four sides to get the perimeter

(16+2x)+(20+2x)+(16+2x)+(20+2x)

8x+72

or you can use this perimeter of a rectangle formula

P = 2(L+W)

P = 2(20+2x+16+2x)

P = 2(4x+36)

P = 8x+72

Answer: 8x+72

=========================================

Part (b)

Multiply the length and width to find the area of the rectangle.

area = length*width

A = L*W

A = (20+2x)*(16+2x)

A = 20(16+2x) + 2x(16+2x)

A = 320+40x + 32x + 4x^2

A = 4x^2 + 72x + 320

Answer: 4x^2 + 72x + 320

=========================================

Part (c)

Plug x = 2 into the perimeter equation found in part (a)

P = 8x+72

P = 8*2+72

P = 16+72

P = 88

Now plug x = 2 into the area equation found in part (b)

A = 4x^2 + 72x + 320

A = 4(2)^2 + 72(2) + 320

A = 4(4) + 72(2) + 320

A = 16 + 144 + 320

A = 160+320

A = 480

-------------

Answers:

Perimeter = 88 inches

Area = 480 square inches

3 0
3 years ago
Help me plz someoneee
Charra [1.4K]

Answer:

Step-by-step explanation:

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3 years ago
Mia is considering moving to a different apartment complex than where she currently lives. To better understand rent prices, she
Stels [109]

Answer:

All 1-bedroom apartments in her city only

Step-by-step explanation:

Since the sample of 1-bedroom prices was randomly selected from all complexes in her city, the results can safely be generalized to this population.

7 0
3 years ago
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