Answer:
Step-by-step explanation:
1) 5 + 12 + 2 + 15 + 9 /5
= 43/5
= 8.6 years
2) 8 + 12 + 7 + 10 + 15 / 5
= 52/5
= 10.4 points
3) 144 + 270 + 204 / 3
= 348 + 270 / 3
= 618 / 3
= 206 books
A) 6a=5b so a=5/6*b a/b=5/6
b) 6a=5b so 6/5*a=b b/a=6/5
c) a/b=5/6 so (a/b)*(2/7)=2a/7b=(2/7)(5/6)=(5/21)
d) 6a=5b so b=6a/5 Thus (a+b)/b=(a+6a/5)/(6a/5)=(11a/5)/(6a/5)=11/6
e) 6a=5b so a=5b/6 Thus (a+b)/(5a)=(5b/6+b)/(5*5b/6)=(11b/6)/(25b/6)=11/25
f) (3a+3b)/(a+b)=3=3/1
Note, I wasn't quite sure what you meant by \frac
Step-by-step explanation:
the weight of each bag is 4.71kg(4710 gm)
Answer: Option 1 & Option 4
Step-by-step explanation:
The triangle is scalene because it doesn't have a right angle (can't be right)
Doesn't have 2 congruent angles (can't be isosceles)
The triangle is also obtuse because it has an angle that is greater than 90°
It would mean the world to me if you could mark me brainliest!
Answer:
45.7 s
Step-by-step explanation:
Darya:
Number of laps = 13
Average time per lap = 23.5 seconds
Total time to swim 13 laps = Number of laps × Average time per lap
= 13 × 23.5
= 305.5 seconds
Kana:
Number of laps = 10
Average time per lap = 25.98 seconds
Total time to swim 10 laps = Number of laps × Average time per lap
= 10 × 25.98
= 259.8 seconds
It took longer for Darya to swim
13 laps than for Kana to swim 10 laps.
How much longer?
= 305.5 seconds - 259.8 seconds
= 45.7 seconds