Answer:
In 6 hours Joseph will travel 300 miles.
Step-by-step explanation:
Firs we will find Joseph's average rate:
v = 125/2.5 (since 2 1/2 = 2.5 and average rate = distance/speed)
v = 50 mph
We need to find the distance d in t = 6 hr:
d = v*t
d = 50*6
d = 300 mi
In 6 hours Joseph will travel 300 miles.
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so, in short, without too much fuss, you simply move the variable from the bottom to the top, and the exponent sign must change, or the other way around, from the top to the bottom, and the exponent sign changes
so
Answers:
- (a) 1/10
- (b) 3/10
- (c) 3/10
- (d) 2/5
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Explanations:
Part (a)
There is only one disc labeled "3" out of 10 total. So we end up with the probability 1/10.
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Part (b)
The list of numbers less than 4 are {1,2,3} which are 3 items out of 10 discs. We end up with 3/10.
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Part (c)
A square number, aka a perfect square, smaller than 10 is the list {1,4,9}
Since 1 = 1^2, 4 = 2^2 and 9 = 3^2
Like part (b), we end up with the same result of 3/10.
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Part (d)
The list of primes smaller than 10 is {2, 3, 5, 7}. Notice that 1 is not prime.
So we end up with 4/10 = 2/5.
The original price is $112.50.
Answer:
Mean
Step-by-step explanation:
The question lists some parameters and ask to know which of the listed parameters is for all values in the data. We answer by the following;
Interquartile range- the interquartile range is simply the difference between the upper quartile and the lower quartile. It does not work for all values in the dataset so
It cannot be the answer.
The minimum is the minimum value in the dataset. It is the smallest in value. It does not work for all values in the dataset.
The maximum is the number with the highest value. It does not work for all the values in the dataset
Mean is correct, all the values in the dataset are used to calculate the mean value
