Answer:
51+(4x+7)=90
4x+58=90
-58 -58
4x=32
4x/4=32/4
x=8
Step-by-step explanation:
5 2/5 would be converted to 5 6/15. you would then subtract the numerators and the whole numbers, giving you 3 5/15, which simplifies to 3 1/5
Answer:
The statistical question should be
"how many minutes do I exercise on each day of the week" and "how many minutes do I exercise each day of the week whilst there is background music"
Step-by-step explanation:
Here we have the non statistical question, how many minutes do I exercise each day
We note that a statistical question is one in which there are are different variety answers, where the distribution and the inclination of the the answers is sought
Therefore, statistically, we should ask, "how many minutes do I exercise on each day of the week" or "how many minutes do I exercise each day of the week whilst there is background music".
Answer:
subs with credentials get paid $87 per day. subs without credentials get paid $55 per day.
Step-by-step explanation:
let x be the cost subs with credential get paid per day and y be the cost subs without credential get paid per day
so we get

using simultaneous equation by substitution method you get x=87 and y=55
Answer:
Either 6 or -2 i think.
Step-by-step explanation: