Solve the system by substitution.
x=-9y
-2x-7y=44...
Answers: 3
Mathematics, 21.06.2019 14:00, theoriginalstal9245
News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of
Answers: 1
Mathematics, 21.06.2019 16:00, HappyBeatrice1401
Find the solution set of this inequality. select the correct graph. |8x+16|> 16
Answers: 1
Mathematics, 21.06.2019 20:20, helpmeplzandty
Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)
Answers: 3
Mathematics, 21.06.2019 21:30, peytonamandac9114
Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true
Answers: 2
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