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schepotkina [342]
3 years ago
15

Solve the equation M-4=2m

Mathematics
1 answer:
NemiM [27]3 years ago
4 0

Answer:

m=-4

m-4=2m

m-2m=4 combine like terms

-m=4 change the signs on both sides of the equation

m=-4

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The circumference of a coin is 7.42 cm. What is the area? using 3.14 for π
salantis [7]
By the question,
π = 3.14
circumference = 7.42 cm
or,. 2πr. =7.42
or,. 2×3.14×r. =7.42
or,. 6.28r. =7.42
or,. r. =7.42÷6.28
∆. r. =1.18 cm
Again,
Area of circumference= πr^2
=3.14 × 1.18^2
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3 0
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