Answer:
3.5 hours traveling
2.5 hours stationary
Step-by-step explanation:
When the line is horizontal, the distance isn't changing, so she is stationary, so just add the total time the line is horizontal.
Likewise, all other lines represent traveling.
Answer:
There are 48 marbles in the bag
Step-by-step explanation:
red: blue : total
3 8
there are 18 red
18/3 = 6
Multiply everything by 6
3*6 8*6
18 48
There are 48 marbles in the bag
Answer:
y = 16
Step-by-step explanation:
if x =10 then y =320
that means y= 32x
so if x = 1/2
y = 32*1/2
y= 16
87 ° to radians in terms of pi =
=> 87 ×

=>

The principle behind this conversion is that we know that π radians is equal to 180 thus we are simply 'rationalizing' to include π in the answer.