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alisha [4.7K]
3 years ago
8

What is the approximate area of a circle with a radius of 15 ft? Use your calculator button for it Enter your answer in the box.

Round to four decimal places ft2​
Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0

Answer:

706.8583

Step-by-step explanation:

Area = \pi r^2

Area = \pi 15^2

Area = \pi 225

Area = 3.14159265*225

Area = 706.85834625

Round it and you get 706.8583

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Write an equation of a line passing through the point (4,-9) and parallel to the line 3x-6y=30
sesenic [268]

The equation of a line in the slope intercept form is expressed as

y = mx + c

Where

m represents slope

c represents y intercept

The equation of the given line is expressed as

3x - 6y = 30

Rearranging it so that it will look like the slope intercept form, it becomes

6y = 3x - 30

Dividing both sides by 6, it becomes

6y/6 = 3x/6 - 30/6

y = x/2 - 5

Looking at the equation, slope, m = 1/2

If two lines are parallel, it means that they have equal slope. This means that the slope of the line parallel to the given line is 1/2

To determine the y intercept, c of the line passing through the point (4, - 9), we would substitute

x = 4, y = - 9 and m = 1/2 into the slope intercept equation. It becomes

- 9 = 1/2 * 4 + c

- 9 = 2 + c

c = - 9 - 2

c = - 11

By substtuting m = 1/2 and c = - 11 into the slope intercept equation, the equation of the line would be

y = x/2 - 11

7 0
1 year ago
Solve the equation 6x+3y=15for y what does y equal if x=2 if x=5
avanturin [10]
6x+3y=15
6*2+3y=15
12+3y=15
      3y=3
        y=1

6x+3y=15
6*5+3y=15
30+3y=15
      3y=-15
        y=-5

The answers is y=1 & -5

3 0
3 years ago
What is the volume of a crate measuring 1 m by 2 m by 1.5 m?
gregori [183]

Answer:

V = l x w x h

V = 2m x 1.5m x  1m

V = 3 cubic meter

7 0
3 years ago
Which term best describes a proof in which you assume the opposite of what u want to prove​
ANTONII [103]

Answer:

The Latin phrase is "reduction ad absurd um", meaning reduction to absurdity. You assume the opposite and show that logically it leads to a contradiction and therefore cannot be true.

Hope this helps.

8 0
3 years ago
Which statement BEST describes the domain of function?
mart [117]

Answer:

12

Step-by-step explanation:

hhahhahhahhaaahahaah

3 0
2 years ago
Read 2 more answers
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