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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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Answer:

1/40

Step-by-step explanation:

2/4*7/10

=2/28/10

=0.0714/10

=0.00714

6 0
3 years ago
Find the equation of the line that goes through the points (4, –1) and (2, –5).
exis [7]

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7 0
4 years ago
Read 2 more answers
Simplify the fraction completely.
dimulka [17.4K]

Answer:

3/20

Step-by-step explanation:

15 and 100 both have a common factor of <em>5</em>. To simply an expression, you have to get both the numerator (top number) and the denominator (bottom number) to be as low as possible (to make it so that both can't be divided anymore or don't have shared factors). We divide both sides by 5 (which still retains as an integer and has the same value) and so 15/3=5 and 100/5=20.

Have a nice day! :)

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Containing the points (-1,2) and (5,-4)
marusya05 [52]
The equation conatining the points would be
y=mx+b, m=slope b=y inercept
find slope

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slope is -1
y=-1x+b

input one of the points and solve for b
2=-(-1)+b
2=1+b
subtract 1 form both sides
1=b

answer=
y=-1x+1
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