3 years ago

What is the perimeter of the rectangle? Write your answer in scientific notation

Mathematics

1 answer:

marissa [1.9K]3 years ago

6 0

The formula is 2(l+w)

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DanielleElmas [232]

Answer:

$2/3$

Step-by-step explanation:

The total number of sums (not distinct) is $4\cdot 3=12$ , because we're removing without replacement.

Count the sums that fit the stipulation (sum $\leq$ 5):

$1,2,\\2,1\\1,3\\3,1\\1, 4\\4, 1\\2, 3, \\3,2$

There are 8 sums that work. Therefore, the desired answer is $\frac{8}{12}=\boxed{\frac{2}{3}}$

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2 years ago

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Damm [24]

The answer should be D. 11?

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2 years ago

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

The formulae for standard error = standard deviation/√n

But population standard deviation = 1.8 and sample size = n = 81

Standard error = 1.8/√81 = 1.8/9 = 0.2

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3 years ago

Write an expression that is equivalent to 2/8b+(3/8b+4/5)

pogonyaev

Answer:

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Step-by-step explanation:

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