Answer: 22% of the pages are filled up
Step-by-step explanation: 900/9= 100 78% of 100 is 78
22+78=100 therefore reaching 100 percent. since 78% is empty that means 22% is being used.
Answer:
467 000 000
Step-by-step explanation:
4.67e-8 is rewritten as 4.67 x 10^-8.
Negative -> decimal with lots of places, Positive -> big, big number
Move the decimal place right 8 times so you end up with a small decimal.
4.67 -> 467000000
The equation of a line is y=mx+b
To find the gradient you calculate the change in Y/change in X.
To find the y-intercept you should plug it in a graphic calculator.
Answer: 28
Step-by-step explanation:
7 days of per week. Two times a day. Two minutes. 14 times per week, two minutes every time. 28 minutes per week.
Answer:
192000 J
Step-by-step explanation:
k = 1/2 mv²
48000 = 1/2 x m x (20)²
48000 = 200m
m = 240 kg
new k
k = 1/2 x 240 x 40²
k = 192000 J
