Answer:
Step-by-step explanation:
6x+9=63
6x=63-9
6x=54
x=54/6
x=9
I encourage you to figure out the justification yourself.
Answer:
The second one would be the answer.
Step-by-step explanation:
If you look at the model, it shows it on 125 going down to 90.
If she has $125 and she spends $35 on gas, you would subtract that from how much money she has.
125 - 35 = 90.
Feel free to let me know if you need more help. :)
Answer: 582.7526
Step-by-step explanation:
p =3,14
r =13,4:2=6.7
r^2=44.89
SA= 3,14*44.89+3,14*6,7*21= 582,7526
Answer:
C. Rachaels health care needs will cost less under option 1 if she is able to avoid additional health care costs
Step-by-step explanation:
Answer:
Step-by-step explanation:
We are given that
Mean,
%=68.5/100
Standard deviation, 
%=8.2/100
We have to find the probability that a student who wrote the examination had a mark between 80% and 100%.
We know that
Using the formula
