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3 years ago

Simplify 6/ square root 3+2

Mathematics

2 answers:

Fittoniya [83]3 years ago

8 0

Answer: 12- 6sqrt3

Step-by-step explanation: Because there is a square root in the denominator multiply both the top and bottom by the conjugate. (sqrt3-2)

Simplify to 6sqrt3 -12/-1

Divide by -1

-6sqrt3 + 12

On the test it is written 12 - 6sqrt3 which is the same

Ivenika [448]3 years ago

3 0

From what i see it could be
Exact form: 6 square root 5/ 5
Decimals: 2.68

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3 years ago

The probability of a student buying coffee before class is 30%. The probability of a student buying a muffin before class is 40%

Katarina [22]

The probability that a student buys coffee OR a muffin before class is 55%

<h3>How to determine the probability?</h3>

The given parameters are:

P(Coffee) = 30%

P(Muffin) = 40%

P(Tea) = 20%

P(Coffee and Muffin) = 15%

P(Tea and Muffin) = 10%

The probability that a student buys coffee OR a muffin before class is

P(Coffee or Muffin) = P(Coffee) + P(Muffin) - P(Coffee and Muffin)

This gives

P(Coffee or Muffin) = 30% + 40% - 15%

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2 years ago

Cesar had a part-time job last year. He worked every week for the year and made $23 an hour. He worked 28 hours each week. Cesar

Naddika [18.5K]

Answer:

D. $2,511

Step-by-step explanation:

First off, we need to write down the facts we know.

There are about 52.177 weeks in a year

Cesar works 28 hours each week

Cesar makes $23 an hour

There are 12 months in a year

Cesar has $3,360 after his monthly expenses

To figure out how many hours are in a "work year," multiply the number of work hours in a week by the number of weeks in a year. In other words, multiply Cesar's 28 hour work week by about 52.177 weeks. That makes 1,456 hours in his work year. That means he makes $33,492 a year. If you multiply $2,511 by the months in a year (12), you get $30132. Finally, subtract his annual salary by $30132 to get $3,360, which is what was left of Cesar's earnings after paying all of his monthly expenses.

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4 years ago

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