Answer:
b g and e
Step-by-step explanation:
62 cm. plug in 4 for x. 2(5(4)-2))+2(3(4)+1))= 2(18)+2(13)= 36+26=62. Hope this helps!
Answer:
words:6 tenths or 1 and 5 tenths
Ratio:3:4 or 7:8
Fraction=1/3 or 19/20
Decimal:0.25
Percent:80%
Mean=total/the number of values =>total=mean*the number of values
the total of the first set of 8 numbers is : total=8*8=64
the total of the second set of 12 numbers is: 12m
the total of the 20 numbers is: 64+12m
the mean of the 20 number is: (64+12m)/20=5
solve for m: 64+12m=100
12m=36
m=3
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