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ruslelena [56]
3 years ago
13

Solve for f, what is f

Mathematics
2 answers:
sladkih [1.3K]3 years ago
8 0

Answer:

f=1

Step-by-step explanation:

To solve for f, we need to get f by itself. To do this, we need to move all the numbers to one side of the equation, and all the variables to the other

-f+2+4f=8-3f

Combine like terms

(-f+4f) +2=8-3f

3f+2=8-3f

Add 3f to both sides

3f+3f+2=8-3f+3f

6f+2=8

Subtract 2 from both sides

6f+2-2=8-2

6f=6

Now all the numbers are one sides, and the variables are on the other. f is still not completely by itself, it is still being multiplied by 6. To reverse this, divide both sides by 5

6f/6= 6/6

f=1

Nutka1998 [239]3 years ago
6 0

Answer:

f = 1

Step-by-step explanation:

-f + 2 + 4f = 8 - 3f

-f + 4f + 3f = 8 - 2

6f = 6

f = 6/6

f = 1

Hope it helps!!

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Area of circle with diameter of 1 m?
Elena-2011 [213]

Answer:

A = 0.785m²

B = 31400cm²

C = 7850cm²

D = 785,000mm²

Step-by-step explanation:

To solve this question, we'll have to find the area of a circle which is

Area of a circle = πr²

1. The diameter of the circle = 1m

Area of a circle = πr²

r = radius of the circle

π = 3.14

Radius = diameter / 2

Radius = 1 / 2 = 0.5m

Area = 3.14 × (0.5)²

Area = 3.14 × 0.25

Area = 0.785m²

2. Radius = 100cm

Area of a circle = πr²

Area = 3.14 × (100)²

Area = 3.14 × 10000

Area = 31400cm²

3. Diameter = 100cm

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Radius = diameter / 2

Radius = 100 / 2

Radius = 50cm

Area = πr²

Area = 3.14 × (50)²

Area = 3.14 × 2500

Area = 7850cm²

4. Radius = 500mm

Area = πr²

Area = 3.14 × (500)²

Area = 3.14 × 250,000

Area = 785,000mm²

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