Mathematics, 15.05.2021 22:50 shealwaysknows23
Can somebody help real quickly? I'm stuck. I originally got 4085.2 as my answer but it marked it as wrong. Thank you so much, in advance! C:
In a psychology class, 57 students have a mean score of 85.7 on a test. Then 18 more students take the test and their mean score is 74.6.
What is the mean score of all of these students together? Round to one decimal place.
Answers: 2
Mathematics, 21.06.2019 16:20, williamsgregg5214
Which mathematical statements are true? 1) if 3 is an odd number, then 3 times 3 is an even number. 2) if 6 is less than 7, then 4 is greater than 7. 3) six is divisible by 3, and 10 is a multiple of 2. 4) the average of the data is greater than the largest value in the data, or it’s less than the largest value in the data. 5) the slope of a linear graph is its rate of change, and the graph’s y-intercept is the initial value. 6) if an equilateral triangle has equal angles, then all its angles will measure 45°.
Answers: 3
Mathematics, 22.06.2019 00:00, dragonslayer321
Yvaries inversely as x. y =12 when x=5. find y when x=4
Answers: 2
Can somebody help real quickly? I'm stuck. I originally got 4085.2 as my answer but it marked it as...
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