Answer:
x=5
Step-by-step explanation:
We simplify the equation to the form, which is simple to understand
3x+5-5=20-5
We move all terms containing x to the left and all other terms to the right.
+3x=+20-5-5+5
We simplify left and right side of the equation.
+3x=+15
We divide both sides of the equation by 3 to get x.
x=5
Solution :
Group Before After
Mean 693.75 743.75
Sd 155.37 143.92
SEM 54.93 50.88
n 8 8
Null hypothesis : The preparation course not effective.
![$H_0: \mu_d = 0$](https://tex.z-dn.net/?f=%24H_0%3A%20%5Cmu_d%20%3D%200%24)
Alternative hypothesis : The preparation course is effective in improving the exam scores.
(after - before)
Answer:
6:8
Step-by-step explanation:
6 is the ratio of glass bottles and 8 is the plastic or you can put 3:4 because you divide the number b 2
Answer:
the first one, QPN and OPS
Explanation:
they're intersecting and opposites
hope that helped :)