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lora16 [44]
3 years ago
13

Make x the subject of the formula (mx^2=f)

Mathematics
1 answer:
wolverine [178]3 years ago
4 0

Answer:

x = ± \sqrt{\frac{f}{m} }

Step-by-step explanation:

Given

mx² = f ( isolate x² by dividing both sides by m )

x² = \frac{f}{m} ( take the square root of both sides )

x = ± \sqrt{\frac{f}{m} }

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A square and an equilateral triangle have equal perimeters. the area of the triangle is 
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a - length of side of a square

t - length of side of a triangle

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Substitute:

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Substitute to the formula of a perimeter of a square:

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The formula of a diagonal of a square: d=a\sqrt2

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