Answer:
11 hours
Step-by-step explanation:
104 dollars for 8 hours of work. So how much money per hour?
104/8= 13 dollars per hour
At the same rate = 13 dollars per hour, so
How many hours to make 143 dollars? With the same rate?
143/13 = 11 hours
This is a statistics problem on permutation and combination. To differentiate this, permutation involves on the arrangement in which order doesn't matter. For combination, order matters.
For example, if you arrange A, B and C, for permutation it could be AB, BA, CA, AC, BC and CB. But for combination, it would just be AB, AC and BC.
So, in this problem where he is asked to arrange 8 jars in which order doesn't matter. It is permutation. You can solve this just by calculator. The formula would be nPr, where n is the total number of items while r is the number of items to be sorted. Thus,
nPr = 10P8 = 1, 814,400
Thus, the answer is B.
Answer:
83 is prime
97 is prime
92 is composite - The pairs are (1,96) (2,46) (4,23)
Step-by-step explanation:
Answer: $12,723.45
Step-by-step explanation:
Details of each play area :
The radius of circle = 18 feet long
Cost of fake grass per square foot = $12.50
Therefore,
We can obtain the Area of the play area by calculating the area of the circle:
Area of a circle = πr^2
Area = π × 18^2
Area = 1,017.876ft^2
Since the cost per square foot is $12.50
Therefore, Cost of 1,017.876 ft^2 equals
Cost per square foot × Area of play area
($12.50 × 1,017.876)
= $12,723.45
Answer:
Population = starting population * ( 1 + rate) ^ years
y = 370,000 * (1.079) ^ t
Step-by-step explanation:
