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3 years ago

Rewrite the perimeter formula, P = 2/ + 2w, to solve for the length, I, and then

Mathematics

1 answer:

Vinvika [58]3 years ago

3 0

P = 2l + 2w

Subtract both sides by 2w

P - 2w = 2l

Divide both sides by 2

(P - 2w) / 2 = l

In our problem,

w = 7 in

P = 42 in

Let's plug our values into the formula above.

(42 in - 2(7 in) / 2 = l

(42 in - 14 in) / 2 = l

28 / 2 = l

14 in = length

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Step-by-step explanation:

To find equivalent fractions, multiply the numerator and the denominator by the same table.

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3 years ago

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Find the standard form of the equation of the parabola with the given characteristics. Vertex: (-6, 1); focus: (-6, 0)

GREYUIT [131]

Answer: $(x+6)^2=-4(y-1)$

Step-by-step explanation:

Given

Vertex of the parabola $(-6,1)$

Focus of the parabola $(-6,0)$

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distance between Vertex and focus is 1 unit

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Parabola becomes

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