To find the answer, you must first turn the fractions into decimals. 4 ÷ 5 = 0.8 ; 1 ÷ 2 = 0.5 ; 1 ÷ 10 = 0.1. Then you must subtract 0.5 from 0.8. Then add 0.1 to 0.3 .
First question:. A and D. Second question: B and C .
Answer:
Yes
Step-by-step explanation:
3:2 = 5 people
3:1 = 4 people
5+4=9 people
Answer:
0.15 or 15%
Step-by-step explanation:
Since lengths are uniformly distributed, the probability that a class period runs between a two exact times is:

In this case, a = 47.0 and b = 52.0 minutes.
The probability that a given class period runs between 50.25 and 51.0 minutes is:

The probability is 0.15 or 15%.
Formula: D=M÷V
Answer:
The two factors that determine the density is the mass and the volume.
Can't help you determine which wood is it because I don't have enough information.
Please send me a screenshot so I can help you.