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777dan777 [17]
4 years ago
10

25 Points! Midterm Today! Can anyone help with this problem?

Mathematics
1 answer:
Andrews [41]4 years ago
6 0
I really do wish I could help But I’m not sure I tried to figure it out and i just can’t get it
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Mr. Jones jogs the same route each day. The amount of time he jogs is inversely proportional to his jogging rate.
german

Answer is option C

Mr. Jones jogs the same route each day. The amount of time he jogs is inversely proportional to his jogging rate.

time= \frac{k}{rate}

k is the constant of proportionality

We check with each option and identify which option gives us same K value

(a) 4 mph for 2.5 hours and 6 mph for 3.75 hours

2.5= \frac{k}{4} so k = 10

3.75= \frac{k}{6} so k = 22.5

K values are not same

(b) 3 mph for 2 hours and 4.5 mph for 3 hours

2= \frac{k}{3} so k = 6

3= \frac{k}{4.5} so k = 13.5

K values are not same

(c) 4 mph for 2.5 hours and 5 mph for 2 hours

2.5= \frac{k}{4} so k = 10

2= \frac{k}{5} so k =10

K values are  same .

Answer is option C


3 0
3 years ago
The least common multiple of 24, 28 and 45 is:
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Answer: 2520

Step-by-step explanation:

7 0
2 years ago
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Enter the median of the following dataset 7,15,12,13,8,11
Leni [432]

The median is the value that is in the middle of a dataset.

The first step to find the median is to order the values from least to greatest:

7, 8, 11, 12, 13, 15.

Since the number of data is even, the median will be the average of the pair of values that is in the middle, in this case, 11 and 12:

\frac{11+12}{2}=11.5

The median of the data set is 11.5.

8 0
1 year ago
Select True or False for each statement.
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Part one, false. part two true
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What is the modulus of 2 – 3i?
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A modulus is pretty much just the square root of x^2 + y^2, where y is the number that stands with the imaginary “i” and x is the real number. In this case, x is 2 and y is 3, so your modulus would be the square root of 4 + 9 (2^2 + 3^2), or the square root of 13.
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