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Aleksandr [31]
1 year ago
8

The radius of the circle below is 22 mm. Calculate the area of the circle. Give your answer in mm² to 1 d.p.​

Mathematics
1 answer:
Snowcat [4.5K]1 year ago
6 0

Answer:

1520.7mm^2

Step-by-step explanation:

area of a circle= πr^2

area of the circle = 3.142×22^2

area of the circle= 3.142×22×22= 1,520.728

area to 1dp= 1520.7mm^2

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Correct question :

If the perimeters of each shape are equal, which equation can be used to find the value of x? A triangle with base x + 2, height x, and side length x + 4. A rectangle with length of x + 3 and width of one-half x. (x + 4) + x + (x + 2) = one-half x + (x + 3) (x + 2) + x + (x + 4) = 2 (one-half x) + 2 (x + 3) 2 (x) + 2 (x + 2) = 2 (one-half x) + 2 (x + 3) x + (x + 2) + (x + 4) = 2 (x + 3 and one-half)

Answer: (x + 2) + x + (x + 4) = 2 (one-half x) + 2 (x + 3)

Step-by-step explanation:

Given the following :

A triangle with base x + 2, height x, and side length x + 4 - - - -

b = x + 2 ; a = x ; c = x + 4

Perimeter (P) of a triangle :

P = a + b + c

P =( x + 2) + x + (x + 4) - - - (1)

A rectangle with length of x + 3 and width of one-half x

l = x + 3 ; w = 1/2 x

Perimeter of a rectangle (P) = 2(l+w)

P = 2(x+3) + 2(1/2x)

If perimeter of each same are the same ; then;

(1) = (2)

(x + 2) + x + (x + 4) = 2(x+3) + 2(1/2x)

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Katya decided that she could not afford the $48,000 it would cost her to attend college and get her four-year degree. Instead, s
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Answer: $310,000

Step-by-step explanation:

In 40 additional years, the amount she made less than her college counterparts was;

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She however made $90,000 more than them as they went to college;

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stepladder [879]

The common denominator is 1

Given the expression:

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Find the LCM of the numerator to have:

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Simplify both the numerator and the denominator to have:

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From the result, we can see that the common denominator is 1

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2 years ago
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Answer:

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viva [34]

Answer:

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