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love history [14]
3 years ago
5

Simplify the expression. Explain each step 2 + (5 + y)

Mathematics
1 answer:
Inessa [10]3 years ago
6 0

Answer:

7y

Step-by-step explanation:

2+(5+y)

2+5y

=7y.............

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Find volume of sphere in cubic yards whose radius is 5 yard<br><br> Use pi = 3.14​
enyata [817]

Answer:

523.333 cubic yards

Step-by-step explanation:

The formula for the volume of a sphere is  \frac{4}{3}\pi r^{3} where r is the radius.

The radius of the given sphere is r=5 yards and \pi =3.14.

Therefore, we can substitute in the radius and solve:

V_{sphere}= \frac{4}{3}\*\times3.14\times  5^{3} =523.333 cubic yards

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2 years ago
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3/8

Step-by-step explanation:

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3 years ago
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3 years ago
What's the probability of pulling two red cards in a row from a deck of cards?​
monitta

Hey there! I'm happy to help!

Let's say that we don't have jokers. In that case, there are 52 cards, and half of them are red (so 26 are red). The probability of pulling a red card once is 1/2 since half the cards are red.

If we pick one out, there are only 51 total cards left and 25 red cards. So, the probability of picking one again would be 25/51.

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1/2×25/51=25/102

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Have a wonderful day! :D

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