Firstly arrange the data pont from smaller to larger:
22------27--------46--------57------------73------------78---------------90
1st Q Median 3rd Q
Total Range : 90-22 = 68
Interquartile range: Q₃ - Q₁ = I = 78 -27 = 51
I hope the above is self explanatory
Answer:
400 ml
Step-by-step explanation:
1 litre = 1000 ml
1000 ml = 1 litre
Answer:
- 8
Step-by-step explanation:
Given
x² - 64 = 0 ( add 64 to both sides )
x² = 64 ( take the square root of both sides )
x = ± = ± 8
Solutions are x = 8 and x = - 8
Answer:
10 miles per 1/4 hour
40 miles per hour
Step-by-step explanation:
Given that:
A car travels 20 miles in 1/2 hour
Miles traveled per hour :
(20 * 2) / 1 = 40 miles per hour
Mile traveled in 1/4 hour :
Distance = speed * time
Distance = 40 mph * 1/4 = 10 miles per 1/4 hour
Car traveling 30 miles in 3/4 hours
(30 * 4) /3 = 120 / 3 = 40 miles per hour
Distance = 40 mph * 1/4 = 10 miles per 1/4 hour
Answer:
Step-by-step explanation: