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Musya8 [376]
3 years ago
7

Find the area of the circle to the nearest tenth. Use 3.14 for it (11 mm)

Mathematics
1 answer:
Nikolay [14]3 years ago
4 0

Answer:

The area of the circle is 379.94 mm²

Step-by-step explanation:

To solve this problem we need to use the area formula of a circle:

a = area

r = radius = 11 mm

π = 3.14

a = π * r²

we replace with the known values

a = 3.14 * (11 mm)²

a = 3.14 * 121 mm²

a = 379.94 mm²

Round to the nearest tenth

a = 379.94 mm² = 379.9 mm²  

The area of the circle is 379.9 mm²

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PrOblem 1: Find the slope of the line containing the points: (3,-5) and (-1, -2)
Tanzania [10]

Answer:

1) -3/4

2) (6, 0), (0, -4)

3) connect (0,-2) and (8,0) together

Step-by-step explanation:

1) (-2) - (-5) / (-1) - 3 = -3/4

2) x = 0 -3y=12 y = -4, y= 0 2x =  12 x = 6, x intercept = (6, 0) y intercept = (0, -4)

3) x - 4y = 8 this could be written as y = x/4 - 2 and y intercept is (0, -2) and x intercept is (8, 0) so connect these points together and make a line

8 0
2 years ago
What is equivalebt to 6/12
Savatey [412]
3/6
 because 6 divided by 2 = 3 
and
12 divided by 2 = 6
4 0
3 years ago
Read 2 more answers
What is the equation of a line that contains the points (2,-2) and (0, -2)?
balu736 [363]

Answer:

y = - 2

Step-by-step explanation:

The equation of a horizontal line parallel to the x- axis is

y = c

where c is the value of the y- coordinates the line passes through.

The points (2, - 2) and (0, - 2) have the same y- coordinate and therefore lie on a horizontal line with equation

y = - 2

5 0
3 years ago
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Pls help im very desperate i'll defenitely give brainliest
bagirrra123 [75]

Answer:

-25

Step-by-step explanation:

You can take 10÷-⅖=-25

7 0
3 years ago
Read 2 more answers
I need help with number 3
Lynna [10]
The hexagon divides the circle into 6 parts. That means the angle projecting each side is: 360°÷ 6 = 60°

The area of a circle is: πr²
78.54 in² divided by pi is 25 making the radius = 5

I would then use SOH CAH TOA to solve for the side.. knowing the hypotenuse is the radius and the angle to split it into a right triangle is 30°

Sin(30) = s/5
5*Sin(30) = s

12*s = perimeter hexagon
(remember s is half the hexagon side)

12*5*Sin(30) = perimeter hexagon
30 inches  = perimeter

6 0
4 years ago
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