Answer:
30.79 cm^2 ( to nearest hundredth).
Step-by-step explanation:
Height = 3/2 of the radius ( as the ratio of r to h = 2:3.).
h = 3r/2. or 1.5r.
Volume of the cylinder = π r^2 h = 12.936
So π r^2 1.5r = 12.936
r^3 = 12.936 / (π * 1.5r)
r = 1.4 and h = 1.4 * 3/2 = 2.1
Total surface area 2π r^2 + 2πrh
= 2π(1.4)^2 + 2π1.4*2.1
= 9.8π
= 30.79 cm^2 answer
Answer:
1. <u>Ben</u>
Let the number of days be x.
Let the total no. of shares be y
2. <u>Carter</u>
Let the no. of days be x
Let the total no. of shares be y
Answer:Jenny read her book for 25 minutes.
Step-by-step explanation:
Total amount of time that Jenny has before bed time is 1 hour.
Jenny spends 1/3 of the hour texting a friend and 1/4 of the time brushing her teeth and putting on her pajamas. This means that total time that she has already spent is
1/3 + 1/4 = 7/12
If she spends the rest of the time reading her book, then the number of minutes that she spent reading her book would be
1 - 7/12 = 5/12
5/12 × 60 = 25 minutes
Answer:
3.14
Step-by-step explanation:
