3 years ago

What's perimeter and area?

1 answer:

3 0

Perimeter is the boundary/outline/ surrounding
For example if you measure around your house that would be the perimeter.
Area is the size of something.
Like if you wanted to know the amount of space in a box.

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How to solve 2y+(-2-7y)=4

AleksandrR [38]

Answer:

y = -6/5

Step-by-step explanation:

Remove parentheses

2y - 2 - 7y = 4

group like terms

2y - 7y - 2 = 4

add similar elements

-5y - 2 = 4

add 2 to both sides

-5y - 2 + 2 = 4 + 2

simplify

-5y = 6

divide both sides by -5

-5y ÷ -5 and 6 ÷ -5

simplify

y = -6/5

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Fred randomly draws 2 cards from a standard deck of 52 cards. he does not replace the first card, what is the probability that b

makvit [3.9K]

$\displaystyle |\Omega|=\binom{52}{2}=\dfrac{52!}{2!50!}=\dfrac{51\cdot52}{2}=1326\\ |A|=\binom{4}{2}=\dfrac{4!}{2!2!}=\dfrac{3\cdot4}{2}=6\\\\ P(A)=\dfrac{6}{1326}=\dfrac{1}{221}\approx0.5\%$

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3 years ago

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How did planetesimals form (Not really math xD)

Andreyy89

Condensation, the process of forming solid particles from the solar nebula, is an early process in the formation of a planetesimal, an early solar system body of small to medium size that combines with other planetesimals to form protoplanets
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4 years ago

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Naily [24]

Answer:

Step-by-step explanation:

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The pyramid below has a rectangular base and E

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