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1 year ago

The formula for finding the perimeter of a rectangle is p= 2l 2w solve the formula for w.

Mathematics

1 answer:

I am Lyosha [343]1 year ago

5 0

Answer:

w = $\frac{p -2l}{2}$

Step-by-step explanation:

p = 2l + 2w Subtract 2l from both sides of the equation

p - 2l = 2p Divide both sides by 2

$\frac{p -2l}{2}$ = w

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SpyIntel [72]

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2 years ago

A section of wall is being framed. A model of the framing work is shown below. Vertical and parallel lines c, d, and e are cut b

kolezko [41]

Answer:

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2 years ago

Read 2 more answers

How many different simple random sampmes of size 5 can be obtained from a pppulation whose size is 43?

Nesterboy [21]

Answer:

Number of random samples = 962598

Step-by-step explanation:

A random sample represents the responses for a certain survey of a part of the population.

A sample size is the part of the population being surveyed.

For a population $N$ the number of different random samples that can be chosen for a sample size $x$ can be calculated as = $NCx$

This can be calculated as :

$NCx=\frac{N!}{x!(N-x)!}$

Given:

Population size = 43

Sample size = 5

Number of random samples = $43C5$

⇒ $\frac{43!}{5!(43-5)!}$

⇒ $\frac{43!}{5!(38)!}$

⇒ $\frac{43\times42\times41\times40\times39}{5\times4\times3\times2\times1}$ [Canceling out the common terms]

⇒ $962598$ (Answer)

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Sindrei [870]

Answer:

Step-by-step explanation:

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2 years ago

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