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AnnyKZ [126]
3 years ago
14

Given that the circumference is 15.7 meters, find

Mathematics
1 answer:
Sav [38]3 years ago
8 0

Answer:

A = 19.6

Step-by-step explanation:

A = C² / 4π

C² = 246.49

4π = 12.56

246.49 / 12.56 = 19.625

Rounded to the nearest tenth = 19.6

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julsineya [31]
The answer is x=3
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3 years ago
Write an equation that expresses the following relationship. w varies directly with u and inversely with d In your equation, use
Elena L [17]

Step-by-step explanation:

solution.

if variable d increases then w reduces

w=k.u ×1/d

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therefore w=k.u/d

5 0
2 years ago
(x+6)(x-2)(x-1)=60 write a polynomial
enot [183]
For this case what you should do is:
 1) Multiplication of terms within parentheses correctly.
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 Note: See attached image.
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8 0
3 years ago
What is the answer 4.6n+7.1n+12.8n-1.6n= ?
Alex787 [66]
The answer would be=22.9n
4 0
3 years ago
Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 12 meters tall and 80 meters long. If a
Neko [114]

Answer:

51 gal

Step-by-step explanation:

Find the area of the wall you need to paint:

12 m * 80 m = 960 m^2

Use conversion rate to convert square meters to square feet (first, make the conversion rate into square meters instead of regular meters):

1 ft / 0.3048 m -> 1^2 ft / 0.3048^2 m^2

960 m^2 * (1 ft^2 / 0.3048^2 m^2)

Square meters cancel out, we are left with square feet:

960 * (1 ft^2 / 0.3048^2) = 10333.354 ft^2

Now, find how many gallons of paint by dividing by 200 square feet:

10333.354 ft^2 / 200 =~ 51.66 gal

Round up to the nearest whole number:

51.66 =~ 51 gal

8 0
3 years ago
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