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Rzqust [24]
3 years ago
7

A circle has a diameter of 10 centimeters. What is the best approximation of its area? Use 3.14 to approximate for π .

Mathematics
2 answers:
Orlov [11]3 years ago
8 0
Divide 10 by 2, gives you 5. multiply that by 5, 5*5= 25 then multiply that by 3.14. 25*3.14, gives you 78.5 hope this helped :D
Anton [14]3 years ago
5 0
If it has a diameter of 10, divide it by 2 to get Radius (5) because Area = πr²
Then you do r * π *r which would be 78.5. so C is your answer.
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The library is 1.75 miles directly north from the school. The park is 0.6 miles directly south of the school. How far away is th
Kryger [21]

Answer:

2.35 miles

Step-by-step explanation:

Please find the attachment for visual understanding.

We are told that the library is 1.75 miles directly north from the school and the park is 0.6 miles directly south of the school.

To find distance between library and park we will add distance of library from school to the distance of park from school.

(1.75+0.6)\text{ miles}=2.35\text{ miles}  

Therefore, library is 2.35 miles away from park.  

7 0
3 years ago
Which expression fits this description?
otez555 [7]
Numerator:
the product of 5 and the sum of x and y = 5(x + y)

Denominator:
the product of negative 8 and x  = -8x

So the quotient:

  5(x + y)
------------
  - 8x

Answer is the second one.

  5(x + y)
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  - 8x
3 0
2 years ago
Betty Donahue is choosing between two fitness centers. Center A charges $375 per year for unlimited use of all facilities. Cente
Ronch [10]
Center A : 375 per yr

Center B : 35 + 12(12) + 5(52) = 35 + 144 + 260 = 439 per yr
I multiplied 12 * 12 because it was $ 12 a month and there are 12 months in a yr. I multiplied 5 * 52 because each aerobic class is $ 5 per class, and she went once per week, and there are 52 weeks in a yr.

so the cheaper one is Center A
3 0
3 years ago
Read 2 more answers
Please do the area and perimeter for both questions! And if u can please explain how! Thank you
KiRa [710]
Question 1 - You need to split the L shape into  2 shapes.

6mm x 2mm = 12mm

and

5mm x 2mm = 10mm

add 12mm and 10mm 
the area is 22mm squared (a little 2 above the mm)

question 2 - you need to do the same

4mm x 2mm = 8mm squared 
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6 0
3 years ago
Read 2 more answers
An expression is shown.
Vikki [24]

Answer:

Step-by-step explanation:

2+8+3_5x1

7 0
3 years ago
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