Let x = the unknown number.
Because three-sevenths of the number is 21, therefore
(3/7)x = 21
That is
(3x)/7 = 21
Multiply each side by 7.
3x = 21*7 = 147
Divide each side by 3.
x = 147/3 = 49
Answer: 49
Answer:
1 to 5
Step-by-step explanation:
Others are saying 5 to 1
Answer:
12
Step-by-step explanation:
12 doesn't fit the data because it is so much farther from the general average of the others.
12 affects the median because with it, the median is 74. but without 12, the median is 76.
12 affects the mean because with it, the mean is 68.36. but without 12, the mean is 72.69.
Answer:
23.92
Step-by-step explanation:
You can round 2.99 to 3 and do 3x8 mentally then subtract 8 cents ¯\_(ツ)_/¯
f(x) = |x| - 3
This function comes from the basic function f(x) = |x| with the constant 3 subtracted on the
outside. This gives the basic function a vertical shift DOWN 3 units. So, take the basic graph
of f(x) = |x| and shift it DOWN 3 units