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Tema [17]
3 years ago
7

What is the diameter of a circle with a circumference of 37.68 inches? Use 3.14 for pi.

Mathematics
1 answer:
8_murik_8 [283]3 years ago
8 0

Answer: The diameter is 12.

Step-by-step explanation:

We know that the circumference can be found by the following formula:

C= Dπ  or C= 2rπ       I recommend using the one with the variable "D" , it is                   easier

Because we know that the circumference is 37.68 inches, we can substitute that for the variable "C" and solve for D, the diameter.

(37.68) = Dπ Divide by 3.14, as the instructions in this question specify to do so.

37.68/3.14 = D π/ 3.14

D = 12  The diameter equals twelve.

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How do you convert a mixed fraction to an improper fraction ?
maks197457 [2]

Answer:

see the explanation

Step-by-step explanation:

we know that

A mixed number is equal to sum a integer plus a fraction less than 1. The result is a fraction where the numerator will be always greater than the denominator (This fraction is called an improper fraction)

Example

a\frac{b}{c} ----> a mixed number

a is a integer

b/c < 1

so

a\frac{b}{c}=a+\frac{b}{c}

Adds the integer plus the fraction

\frac{ac+b}{c} ---> an improper fraction

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8 0
3 years ago
The chance of winning based on the type of lottery tickets we purchase is 0.05, or 1 in 20. We will play each saturday until we
BigorU [14]

Answer:

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6 0
2 years ago
Write the standard form of the equation of the circle with center (−7,1) that passes through the point (−7,9).
kiruha [24]

Answer:

(x + 7)² + (y - 1)² = 64

Step-by-step explanation:

Use the equation of a circle, (x - h)² + (y - k)² = r²

Plug in the point and center, then solve for r:

(x - h)² + (y - k)² = r²

(-7 + 7)² + (9 - 1)² = r²

0 + 64 = r²

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Then, plug in the center and r² into the equation:

(x + 7)² + (y - 1)² = 64

So, (x + 7)² + (y - 1)² = 64 is the standard form of the circle's equation

4 0
3 years ago
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Answer:

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-4• 1/4 + (5•1/2)=

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3 0
2 years ago
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sattari [20]

1.6 hours

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6 0
3 years ago
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