Mathematics, 05.12.2020 02:30 18080980
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A survey of $120$ teachers determined the following:
$70$ had high blood pressure
$40$ had heart trouble
$20$ had both high blood pressure and heart trouble
What percent of the teachers surveyed had neither high blood pressure nor heart trouble?
Answers: 2
Mathematics, 21.06.2019 15:00
Which of these choices show a pair of equivalent expressions?
Answers: 1
Mathematics, 21.06.2019 15:30
What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm
Answers: 1
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 19:20
The square root of 9x plus 7 plus the square rot of 2x equall to 7
Answers: 1
Will give brainliest!
Ignore the "$"
A survey of $120$ teachers determined the followin...
A survey of $120$ teachers determined the followin...
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