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Salsk061 [2.6K]
2 years ago
10

The diameter of a dinner plate is 13 inches. What is the approximate area of the plate to

Mathematics
1 answer:
allsm [11]2 years ago
7 0

Step-by-step explanation:

The formula for the area of a circle is pi x radius squared. So since we know the diameter we can take that and half it giving us radius. Than we plug radius in the formula, so 6.5 squared is 42.25. You than multiply it by pi, and not 3.14 because theirs a possibility of being a couple units off when rounding, and after multiplying it you'll be left with the answer of 132.73

Answer: 132.73

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A COLOR PRINTER WILL PRINT 8 PAGES PER MINUTE. HOW MANY MINUTES WILL IT TAKES TO PRINT A REPORT THAT HAS 136 PAGES
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Read 2 more answers
Find the value of y...​
soldier1979 [14.2K]

Answer:

y=0

Step-by-step explanation:

Rewrite Evaluate Powers:

33^{2y-1}+3^{-1}+2*3^{y}*3^{-1}=1

Calculate:

(3^{y})^{2}*\frac{1}{3} +2*3^{y}*\frac{1}{3}=1

Solve using substitution:

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Solve the equation for t:

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y∉R

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2 years ago
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goldenfox [79]

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7 0
1 year ago
Use differentials to approximate the value of the expression. Compare your answer with that of a calculator. (Round your answers
Vesna [10]

Answer:

726.572699

Step-by-step explanation:

According to differentials

(x+Δx)³ = x³ + 3x²Δx + 3x(Δx)² + (Δx)³ (Using binomial expansion)

Using this formula to solve (8.99)³, this can also be written as;

(8.99)³ =  (9-0.01)³ where

x = 9

Δx = -0.01

Substitute this vales into the differential expression above

(9+(-0.01))³ = 9³ + 3(9)²(-0.01) + 3(9)(-0.01)² + (-0.01)³

(9+(-0.01))³ = 729 + (243)(-0.01) + 27(0.0001) + (-0.000001)

(9+(-0.01))³ = 729-2.43+0.0027-0.000001

(9+(-0.01))³ = 729-2.43+0.0027-0.000001

(9+(-0.01))³  = 726.572699

Hence 8.99³ = 726.572699 (Using differential)

Using calculator;

8.99³ = 726.572699

4 0
3 years ago
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