Mathematics, 23.06.2019 02:00 natalie9316
David wants to estimate the number of students in the 7th grade whose favorite subject is math. he plans to ask 20 students and wants his sample to be representative. who should he ask? * 1 point a) students in advanced math class. b) students on a school bus. c) students in a seventh grade assembly. d) students on the football team.
Answers: 2
Mathematics, 21.06.2019 18:00
Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.
Answers: 1
Mathematics, 21.06.2019 22:00
Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b
Answers: 1
Mathematics, 22.06.2019 00:30
What is the mean of the data set 125, 141, 213, 155, 281
Answers: 2
Mathematics, 22.06.2019 01:10
You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?
Answers: 2
David wants to estimate the number of students in the 7th grade whose favorite subject is math. he p...
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