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chubhunter [2.5K]
3 years ago
10

Grace can read 840 words in 7 minutes. At that rate, how many words can she read in one hour

Mathematics
1 answer:
slega [8]3 years ago
7 0

Answer:

5740

Step-by-step explanation:

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Compare the decimals 7,231.60 and 7,231.6
Katen [24]
There is no difference between the decimals
8 0
3 years ago
Read 2 more answers
Divide and answer in simplest form: 1/3 divided by 5
disa [49]

Answer:

1/15

Step-by-step explanation:

1. You can divide 1/3 by 5 by changing the division symbol to its reciprocal, multiplication, and also divide by the reciprocal of the number after the symbol, 5. The reciprocal of 5 is 1/5.

2. Now you can do 1/3 multiplied by 1/5. Multiply the numerators by the denominators. The numerators are 1 and 1, so you multiply 1 by 1 which equals 1. Now you multiply the denominators, 3 and 5, which is equal to 15. If the numerator is now 1, and the denominator is 15, the new fraction is 1/15, getting you to your answer

7 0
3 years ago
Beth walked around her neighborhood. In 1/2 hour, she walked 1 1/4 miles. What was Beth’s rate in miles per hour
Vadim26 [7]

Answer:

2.5 miles per hour

Step-by-step explanation:

ok, so we already know how long she walked in 1/2 hour and we need to find out how many miles in one full hour. So, i multiplied 1 1/4 times two to make up the one full hour and I got 2.5 miles. So the rate is 2.5 mph.

4 0
3 years ago
Solve the System of<br> Equations. Show your work <br><br> Y=x + 6<br> x + y= -2
Flauer [41]
Substitute first Y for the second Y
So it would be x + x + 6 = -2
Then it would be 2x +6 = -2
Move the 6 over so it would be 2x =-8
Divide by 2 your answer is x = -4
4 0
3 years ago
For a segment of a radio show, a disc jockey can play 10 records. there are 14 records to select from, in how many ways can the
mixas84 [53]
The formula of combination is 

nCr= \frac{n!}{(n-r)!r!}

We have n=14 and r=10

14C10= \frac{14!}{(14-10)!10!} = 1001

Hence, there are 1001 ways of arranging 10 records from 14 records 
3 0
3 years ago
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