Answer:
mean = 52
Step-by-step explanation:
Just add all four together and divide by 4. That's the mean.
Sum (49 + 43 + 53 + 63) = 208
Mean = 208 /4 = 52
No way to tell . . . . . we can't see the chart below.
It must be WAY down there where the sun don't shine.
Answer:
23
Step-by-step explanation:
Well substitute (if there is no sign and their all stocked together, it’s multiplication)
5(3)2 - 5(3)-8
30-7
23
5 miles per hour. work is 60÷12= 5.
Answer:
an=29.7(1/3)^(n−1)
Step-by-step explanation:
The first term, a1, is 29.7.
The common ratio, r, is 9.9/29.7 = 1/3.
The generic explicit rule is ...
an = a1·r^(n-1)
Filling in the values you have gives the explicit rule ...
an = 29.7(1/3)^(n-1)
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Please note that parentheses on the exponent are essential. Without them, the expression has a different meaning entirely.
