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eduard
2 years 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]2 years 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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Evaluate: 10x when x=10<br> The answer is_______( just type in your final number answer)​
Kisachek [45]

Answer:

100

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the product of (-12/14)×(-11/15)?​
AysviL [449]

Answer:

22/35

Step-by-step explanation:

-12/14=-6/7

-6/7*-11/15=66/105=22/35

6 0
3 years ago
A hiker maintains an average speed of 3 3/4 km/h. How many kilometers will the hiker walk in: 2 1/6 h
Sunny_sXe [5.5K]
I'm not all that familiar with that sort of representation, but I guess 3 3/4 = 15/4 and 2 1/6 = 13/6.

You will simply have to multiply the time spent walking, 13/6 hours, by the average distance traveled on an hourly basis, 15/4 km/h.

(13*15)/(4*6) = 195/24 = 8,125 km
7 0
3 years ago
How to do I solve this
padilas [110]
4. 2b-6+3b=
5b-6=143
5b=143+6
5b=149

b=149
    ------
       5
5 0
3 years ago
HELP ME PLEASE!!!!!!
Eva8 [605]
I realise this is quite late but in case you still wanted the answer, the width is 3m.

If the length is 3m longer than the width, you can write the width as x and the length as x + 3. The perimeter would be both lengths and both widths added together, so you would just write it as:
x + x + x + 3 + x + 3 = 18
4x + 6 = 18
- 6
4x = 12
÷ 4
x = 3

I hope this helps!
4 0
3 years ago
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