53 + x - 10 = 58 (x = marbles Fred gave)
53 + x = 68 (use operations on both sides, subtract 10 from left side and add 10 to right side)
x = 68-53 (switch the placement around)
x = 15
Fred gave her 15 marbles.
Answer:
x =2
Step-by-step explanation:
2x + 3 + x + 1 + 9 + 9 = 28
Combine like terms
3x + 22 = 28
3x = 6
x = 2
Basically
18(2)=36 and 12(2) is 24 and they add up to 60. So yes
The answer is 265 .Use the formula that Sn.
Answer:
Mean absolute deviation (MAD) of a data set is the average distance between each data value and the mean. Mean absolute deviation is a way to describe variation in a data set. Mean absolute deviation helps us get a sense of how "spread out" the values in a data set are.
Step-by-step explanation:
