Mathematics, 01.06.2021 22:20 crun
PLEASE I NEED AN ANSWER
Selina and three of her classmates each wrote out the steps for finding an approximate percent change. They all agreed on the first and fourth step:
1. Find the positive difference between the original number and the new number.
2.
3.
4. Round the answer if necessary.
They did not agree on steps 2 and 3. Which instructions are correct for steps 2 and 3?
Answers: 1
Mathematics, 20.06.2019 18:04
Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.
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Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 21:00
You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up
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PLEASE I NEED AN ANSWER
Selina and three of her classmates each wrote out the steps for finding an...
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