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Black_prince [1.1K]
3 years ago
5

The diameter of a circle is 20 m. Find its area in terms of π

Mathematics
1 answer:
Yakvenalex [24]3 years ago
4 0

Answer:

100π m^2

Step-by-step explanation:

Given data

Diameter= 20m

Radius= 10m

The expression for the  area is

Area= πr^2

Area= π*10^2

Area= π*100

Area= 100π m^2

Hence the area is 100π m^2

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Every hour is 65 miles so how long does it take the car to travel 26 miles at this speed?
mr_godi [17]

Answer:

.4 hours or 24 minutes

Step-by-step explanation:

We can use proprtions to solve this problem.  Put distance over time

65 miles      26 miles

------------- = -----------

1 hour          x hours

Using cross products

65x = 26

Divide by 65

65x/65 = 26/65

x = .4 hours

or we can change to minutes

.4 hours * 60 minutes/ 1 hour = 24 minutes

4 0
3 years ago
Please help! I really need help!
skelet666 [1.2K]
As the input is increased by 1.

4 / (1/4) = 4 * 4 = 16

64/4 = 16

1024/64 = 16

So we can see the output factor is increased by a factor of 16.

Hope this helps.
8 0
3 years ago
What is the slope of the line that goes through the points (-2,0) and (-2,5)
Sidana [21]
Y2 - Y1/X2 - X1

5 - 0/-2 - (-2) = 5/0 = Undefined

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7 0
3 years ago
Read 2 more answers
40 pages read in 20 minutes. what is the unit rate?
Alenkinab [10]

Answer:

2 pages per minute.

Step-by-step explanation:

40 pages / 20 minutes

= 40 / 20 = 4 / 2 = 2

Therefore, you read 2 pages per minute.

8 0
3 years ago
lines a and b are represented by the equations given below: line a: 6x 6y = 24 line b: x y = 4 which statement is true about the
KIM [24]
The equation of line a is obtained by multiplying the equation of line b by 4. i.e. there are linearly dependent and hence there are infinitely many solutions to the set of equations.
6 0
3 years ago
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