Answer:
a=45
Step-by-step explanation:
tan a= 1
tan a= tan45
a=45
Answer:
2.5 hours/3 hours
Step-by-step explanation:
If it takes the beginner 6 hours and experienced tinter 3 hours working together it should take roughly 2.5 hours to 3 hours because the time would be cut in half.
Hello!
We need to get our number out of 100 to make it a percent. To get 40 to 100, you multiply by 5/2.
This gives us 2.5%
I hope this helps!
Answer:
The probability of picking exactly 4 of the 6 numbers correctly is
Step-by-step explanation:
As order is unimportant, we have to calculate the different outcomes with combinations formula:
The total outcomes of picking exactly 4 of the 6 numbers is:
The probability of picking exactly 4 of the 6 numbers correctly is given by:
Total outcomes by picking 6 numbers from 1 to 42: 5245786
P(4 of the 6 numbers are correct)=