Answer:
x=28/363 or x=0.077134
Step-by-step explanation:
484×3x=114-2
1452x=112
x=112/1452
x=28/363
There are many dentists in the world and it wold be hard to count the amount of dentists that use the toothpaste. Also, there are many brands of toothpaste and it would would be doubtful that “80%” of dentists would use the same one.
A is correct.
to find the average, you add up all three test scores, divide the sum by 3
85≤(83+91+n)/3≤90
multiply 3 to eliminate the fraction: 255≤(174+n)≤270
subtract 174: 81≤n≤96
Yes it’s 7 and you are right
Answer:
D because mean is the subtraction of the biggest number and the smallest. so 17-8=9