X^2/a^2+y^2/b^2=1
a^2=100 a=10
b^2=64 b=8
c^2=a^2-b^2
c=6
12a
math: 68/85 * 100 = 80%
science: 70*0.9 = 63 number correct
b. Science
c.48
Answer:
Step-by-step explanation:
Commutative
Answer:
She can write
5 1/2 hours or 5.5 hours.
Step-by-step explanation:
Explanation:
The problem with writing time is that there are two systems.
The decimal system is based on powers of 10, while the time system is based on 60.
Amelia cannot write 5.3 this would mean 5 3/10 hours.
30 minutes is 30/
60 = 1/2=0.5 of an hour
She needs to show 5 full hours and 1
/2 hour.
5 30/60 hours.
She can write
5 1/2 hours or 5.5 hours.
