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eduard
1 year ago
8

Manny can paint the office​ by himself in 5 hours. Dave can do the same job in 8 hours. How long will it take them to do it work

ing together?
Mathematics
1 answer:
Alex Ar [27]1 year ago
3 0

Answer:

3 hrs 4.6 mins

Step-by-step explanation:

1/5 + 1/8 = 1/x

x = 40/13

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The estimated product of 20.7 and 9.18, after rounding both factors to the nearest whole number,
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Answer:

20.7 --> 21

9.18 --> 9

21x9 is 189, thus the estimated product is 189.

Let me know if this helps!

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You scored on a game show is -300 you answer the final question correctly,so you win 400 points.what is your final score
Rasek [7]

Answer:

Your score is 100.

Step-by-step explanation:

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4 0
2 years ago
Mel is 3 years older than Rahfat and Aurelio is twice as old as Mel. The sum of their ages is 57. How old is Mel.
julia-pushkina [17]
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3 0
2 years ago
Read 2 more answers
First find the estimate of the quotient then find the exact quotient 3 3/7 divide by 1 4/9
svet-max [94.6K]
Estimate of the quotient:
3 3/7 = 3+0.428571=3.428571
1 4/9 = 1+0.444444=1.444444
(3 3/7) / (1 4/9) = 3.428571 / 1.444444 = 2.373627

Estimate of the quotient: 2.373627

Exact quotient:
3 3/7=(7*3+3)/7=(21+3)/7=24/7
1 4/9=(9*1+4)/9=(9+4)/9=13/9

(3 3/7) / (1 4/9) = (24/7) / (13/9) = (24/7)*(9/13)=(24*9) / (7*13)=216/91

Exact quotient: 216 / 91 = (182+34) / 91 = 182 / 91 + 34 / 91 = 2 34/91

Exact quotient: 216/91 = 2  34/91
4 0
2 years ago
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