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svetoff [14.1K]
3 years ago
14

Find the area of a circle whose circumference is 31.4 centimeters. (Pi form) {FREE BRAINLIEST]

Mathematics
2 answers:
vagabundo [1.1K]3 years ago
6 0

Answer:

78.46 cm^2

Use area formula

Hitman42 [59]3 years ago
4 0

Answer:

78.5 cm²

Step-by-step explanation:

tell me if i got it wrong

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Answer:

\boxed{\text{1. y + 5 = -4(x - 3); \qquad 2. y - 8 = x + 1}}

Step-by-step explanation:

Question 1

The point-slope formula for a straight line is

y – y₁ = m(x – x₁)

x₁ = 3; y₁ = -5; m = -4  

Substitute the values

\boxed{\textbf{y + 5 = -4(x - 3)}}

The diagram shows the graph of equation 1 (red) with slope -4 passing through (3,-5).

Question 2

x₁ = -1; y₁ = 8; m = 1  

Substitute the values

\boxed{\textbf{y - 8 = x + 1}}

The diagram shows the graph of equation 2 (green) with slope 1 passing through (-1,8).

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An 18 foot rope is extended from the top of a tree to a stake in the ground. What is the measure of the angle, to the nearest de
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6 ugly

Step-by-step explanation:

6 x 3 equals 18

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Answer:

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Step-by-step explanation:

11 feet + 2 feet= 13 feet

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3 years ago
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