Answer:
0.525 = 52.5% probability that the two are from different families.
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
In this problem, the order in which the two participants are selected is not important, so we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
Desired outcomes:
1 from the Harfield family(from a set of 7).
1 from the McCoy family(from a set of 9). So
Total outcomes:
2 from a set of 16. So
Probability:
0.525 = 52.5% probability that the two are from different families.
Answer:
C. 5 by 3 by 2
Step-by-step explanation:
The surface area of a rectangular prism is given by:
If the length of the prism is
the width of the prism is
and the height of the prism is:
The surface area becomes:
Multiply within the parenthesis:
Add:
square units.
Hence the correct choice is C.
Answer:
1 4/5 miles :)
Step-by-step explanation:
We first need to get them at a common denominator :)
4 1/2 = 4 5/10
2 3/5 = 2 6/10
Now we subtract :)
4 5/10 = 3 14/10
3 14/10 - 2 6/10 = 1 8/10 = 1 4/5
Have an amazing day!!
Please rate and mark brainliest!!
Answer:
1/4
Step-by-step explanation:
-2 2/5 + 3 1/4 - 3/5
-12/5 + 13/4 - 3/5 =
1/4
The answer is 6600, (extra words because it needs to be 20 characters$
