Mathematics, 14.12.2021 22:50, Valduarte07
Use substitution to solve the following system of equations. What is the value of y?
6x + 2y = 4
3x - 5y = 44
y = 7
y = -4.5
y = -7
y = 4.5
Answers: 3
Mathematics, 21.06.2019 15:00, lm18618
Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answers: 2
Mathematics, 21.06.2019 19:00, mylittleponeyfbrarit
When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30
Answers: 1
Mathematics, 21.06.2019 19:00, daisyperez1
1) what is the measure of the exterior angle, โ uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?
Answers: 1
Use substitution to solve the following system of equations. What is the value of y?
6x + 2y = 4
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