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gtnhenbr [62]
3 years ago
10

CJ ran 6 miles and 48 minutes what was his rate in miles per hour

Mathematics
2 answers:
Elina [12.6K]3 years ago
8 0

Answer:48 divided by 6 = 8!


Step-by-step explanation:


Neko [114]3 years ago
8 0

Answer:

CJ ran at a rate of 7.5 miles per hour.

Step-by-step explanation:

CJ ran 6 miles in 48 minutes. To know his rate in miles per hour, we have to do the following calculation:

48/6 = time spent to run a mile

CJ run a mile every 8 minutes.

60/8 = miles CJ was able to run in an hour, therefore, his rate in miles per hour.

60/8 = 7.5

According to this calculation, CJ ran at a rate of 7.5 miles per hour.

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Mario claims that if the dinominator of a fraction is a prime number, then its decimal form is a repeting decimal. Do you agree?
vodomira [7]

Answer:

I do not agree because Mario's claim is not general.

Step-by-step explanation:

Prime numbers: These are a set of numbers that are divisible by 1 and itself only. Examples are: 2, 3, 5, 7. 11 etc.

And a  denominator is the divisor in a given fraction.

Considering the following fractions whose denominators are prime numbers:

\frac{2}{3} = 0.66666666...

\frac{1}{7} = 0.142857142

\frac{5}{11} = 0.45454545...

\frac{3}{13} = 0.23076923

\frac{1}{7} = 0.142857142

It could be observed that Mario's claim is not a general principle which is applicable to all fractions with a prime denominator. Thus, I do not agree with his claim.

4 0
3 years ago
Solutions to x^=-11x+4
anastassius [24]

x=-11x+4

x+11x=-11x+4+11x

12x=4

x= 4/12

<h2>Answer: x=1/3</h2>
5 0
3 years ago
Write five names for -73
Deffense [45]
Negative 73
drop of 73
minus 73
below 73
taking away 73
6 0
3 years ago
Multiplies to -1120 adds to 3
TEA [102]
With these, always write out the multiples first.

Start like this:
(assume one of the factors is negative)
1 and 1120
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4 and 280
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16 and 70
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28 and 40
32 and 35

from those, the obvious choice is the one with a difference of three. In this case, 32 and 35, because -32 + 35 equals 3.
6 0
3 years ago
A student has a test grade of 85%. If the student does extra problems and his grade raises by 15% of the test, what would be the
ruslelena [56]
Yes he is receiving a perfect score now
85 +15 = 100 %
7 0
3 years ago
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