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Nezavi [6.7K]
4 years ago
15

Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 5 hours. Together they

charged a total of $775
. What was the rate charged per hour by each mechanic if the sum of the two rates was $100 per hour?
Mathematics
1 answer:
almond37 [142]4 years ago
5 0

Answer:

102 an hour

Step-by-step explanation:

all you do is add all of them together

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What is 7 8/13 rounded to the nearest whole number?
vfiekz [6]

Answer: The answer would be 8.

Step-by-step explanation: I'm going to assume you mean 7 8/13 is a mixed fraction. So you multiply the denominator, 13, multiply 7 to that, then add 8 to it and the denominator would be the same as before. That should give you 99/13. When you divide, you get around 7.6, rounding closest to 8.  

6 0
3 years ago
Damon's father started a college fund on Damon's 8th birthday. He deposited $7500 into a CD (certificate of credit) that yields
algol13

Answer:

7672.50

Step-by-step explanation:

7500×0.23%=17.25

17.25×10=172.50

7500+172.50=7672.50

4 0
3 years ago
Write 3,200 in scientific notation
spin [16.1K]

Answer:

The answer is 3.2 E 3 or 3.2 x 10^3

You move back 3 spaces which is 3.2, since you moved back 3 spaces, you put 3 as the power/exponet.

To be more satisfied, 3.2 is your base number, it is the big number Below the power/exponent. The power/exponent is 3, you moved 3 spaces and you moved to the left, so it is represented as a positive power/exponent.

Hope this helps.

8 0
3 years ago
What is th GCF of 21 and 18
ZanzabumX [31]

Answer:

The answer is 3.

Explanation:

Factors of 18:

1, 2, 3, 6, 9, 18.

Factors of 21:

1, 3, 7.

The highest number that both sets contain is 3, so the GCF will be 3.


5 0
3 years ago
Read 2 more answers
What is the Roman number of 233 234 235 and 236​
WINSTONCH [101]

Answer:

232 = CCXXXII

233 = CCXXXIII

234 = CCXXXIV

235 = CCXXXV

236 = CCXXXVI

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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