Answer:
18
Step-by-step explanation:
Sum of x, y and z = 20 × 3
= 60
x-5+y+4+z-5 = 60-5+4-5
= 54
Mean of x-5, y+4 and z-5
= 54 ÷ 3
= 18
The answer is that they all are Latin Jazz artists
Answer:
asking 10 students wearing football jerseys each day for a week
Step-by-step explanation:
if students come to school wearing a football jersey then more than likely their favorite sport is football which means that your results will not be as accurate as the others.
Answer:
45 cats 18 dogs
Step-by-step explanation:
63/7 = 9
9*5=45
9*2=18
45+18=63
Answer:
see below
Step-by-step explanation:
If x represents the number of dimes, then 2x will represent twice the number of dimes. This is the number of quarters, since there are twice as many quarters as dimes.
There are 6 more nickels than dimes, so the number of nickels is 6 more than x. It is (x+6).
If we use the monetary values in cents, then the total of all coins is ...
25(2x) +10(x) + 5(x+6) = 485 . . . . . . matches choice D