In the equation 6x - 4y = 3, if x = -9, what is the value of y?
a. 15
b.-15
c. -12
d...
Mathematics, 20.01.2021 07:00 laderickaluckey
In the equation 6x - 4y = 3, if x = -9, what is the value of y?
a. 15
b.-15
c. -12
d. 12.
Answers: 3
Mathematics, 21.06.2019 19:00
The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes
Answers: 2
Mathematics, 21.06.2019 19:00
Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !
Answers: 1
Mathematics, 21.06.2019 21:30
An annual marathon covers a route that has a distance of approximately 26 miles. winning times for this marathon are all over 2 hours. the following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. earlier period 14 12 15 22 13 10 19 13 9 14 20 18 16 20 23 12 18 17 6 13 recent period 7 11 7 14 8 9 11 14 8 7 9 8 7 9 9 9 9 8 10 8 (a) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks. for more details, view how to split a stem.) minutes beyond 2 hours earlier period 0 1 2 (b) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks.) minutes beyond 2 hours recent period (c) compare the two distributions. how many times under 15 minutes are in each distribution
Answers: 2
Mathematics, 22.06.2019 04:30
Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.
Answers: 1
Mathematics, 30.07.2019 08:30
History, 30.07.2019 08:30
Mathematics, 30.07.2019 08:30
Mathematics, 30.07.2019 08:30
Mathematics, 30.07.2019 08:30
Geography, 30.07.2019 08:30
Mathematics, 30.07.2019 08:30
History, 30.07.2019 08:30
Mathematics, 30.07.2019 08:30