Answer:
Answer is B The stone age came after the Paleolithic period
Step-by-step explanation:
To better understand the statement, it is best to write in numerical form. The statement is:
<span>quantity 3 over x minus 2 over y all over the quantity 3 over x plus 2 over y
In numerical form:
(3 / (x-2)) / (3 / ((x+2)/y)
The correct answer is option C, </span><span>the quantity 3y minus 2x all over the quantity 3y plus 2x.</span>
Answer:
B: Permutation; Number of ways = 60
Step-by-step explanation:
First we have to decide if this is a problem of permutation or combination. The rule is:
- If the order matters, permutations will be used
- If order does not matter, combinations will be used
In this problem, they order of awarding the medals matters, so this is a permutation problem.
We have to award 3 medals among 5 runners. So this can be done in 5P3 ways:
Therefore, there are 60 ways to award the medal. Therefore, the correct answer is B.
Answer: $0.29 per oz, or 29 cents per oz.
Step-by-step explanation:
To find a unit rate, divide the numerator AND denominator by the denominator. The rate is $6.99/24.2 ounces. We will divide $6.99 by 24.2, and 24.2 ounces by 24.2. The answer will be $0.288843/1 ounce. If we round, it will be $0.29/1 ounce.
A statistical question? Here it is: How much recyclable trash does an average household generate in a week?