Answer:
r = 49
Step-by-step explanation:
Answer:
It could be to: collect data from a sample of every twentieth student who arrives at school one day
Answer:
Missing Value Is 4 .
Step-by-step explanation:
According To The Question, We Have
- A model with 4rows*4squares & 4rows*7squares
Equation is 16+28 = X*(4+7)
Solve the above Equation, We get 44=X*11 ⇔ X=4
Answer:
x=10
Step-by-step explanation:
1) combine ALL like terms
5x-4+5x-4+3x+58=180
5x+5x+3x=13x
-4-4+58=50
13x+50=180
2) subtract both sides by 50
13x+50-50=180-50
13x=130
divide both sides by "13"
x=10
Hope this Helps!