Mathematics, 12.12.2020 16:00 ava831

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Answer from: kashusledbetter

Step-by-step explanation:

03. as a percent is 30%

1.5% as a decimal is 0.75

3/4 x 80 is 60.

4 2/3 divided by 1/2 is 1.5...

Answer from: veaseyjermarius1234

27 = 30%

28 = 0.15

29 = 60

30 = 14

Step-by-step explanation:

When you convert a decimal to a percentage, if it is set up with "0." in front, then just swap the number behind the decimal and put it in front of the zero and add a percentage sign. When converting a percentage to a decimal, you reverse the process. Then the others are simple multiplication and division! Remember, when you're dividing a fraction, use the process "KCP" (keep change flip) where you keep the first fraction in the equation, change the division sign to a multiplication sign, and flip the next fraction. (ex. 1/2 flipped to 2/1.) Then just multiply.

Answer from: Quest

a) one student is chosen from classroom a, then a student is chosen from classroom b.

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b. this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes. this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes. this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes. this makes them dependent events.

Answer from: Quest

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

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