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Pavlova-9 [17]
3 years ago
12

The area of a sector of a circle with a radius of 4 centimeters is 2.512 square centimeters. The estimated value of π is 3.14. T

he measure of the angle defining the sector is °.'
Mathematics
1 answer:
butalik [34]3 years ago
4 0
Area = (theta/360)* pi * r^2 
where theta is the angle of  the sector 
subs by your givens in the above equation 
2.512 = (theta/360) * pi * (4)^2 
theta = (2.512 * 360) /(pi*(4)^2)
theta = 18 degree 
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Which of the following is equal to the expression (8x)^-2/3 (27x)¯1/3
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The equivalent expression of (8x)^-2/3 * (27x)^-1/3 is 1/12x

<h3>How to evaluate the expression?</h3>

The expression is given as:

(8x)^-2/3 * (27x)^-1/3

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Evaluate the exponent (27x)^-1/3

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Evaluate the exponent

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This gives

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So, we have

(8x)^-2/3 * (27x)^-1/3 = 1/12x

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Read more about equivalent expression at

brainly.com/question/2972832

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90/15 × 1.5 = $9

8 0
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