Answer:
2.4 hours
Step-by-step explanation:
Get common denominators -
1/12 x 5/5 = 5/60
1/5 x 12/12 = 12/60
The turtle walks ata 5/60 a kilometer an hour.
divide remaining time by 5/60
(12/60) / (5/60) = 2.4 hours
Answer: 0.0064683053
I just used a calculator..
Answer:
a=-8
b=-29
Step-by-step explanation:
Let's assume
first number is a
second number is b
the difference of two numbers,a and b,is 21
so, we get

we can solve for 'a'

the difference of five times a and two times b is 18
so, we get

now, we can plug 'a'

now, we can solve for b




now, we can find 'a'


Convert to degrees
34°18' is the same as 34° 18' 0"
34° 18' 0" = 34° + 18'/60 + 0"/3600
= 34.3°
putting tan(34.3) into a calculator in degree mode
tan ( 34°18' )= tan(34.3) = 0.6822