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Luden [163]
3 years ago
10

Sally can paint a room in 5 hours while it takes Steve 8hours to paint the same room. How long would it take them to paint the r

oom if they worked​ together?
Mathematics
2 answers:
dimaraw [331]3 years ago
6 0
3 hours because all u do is subtract 5 hours and 8 hours and
den301095 [7]3 years ago
5 0

Answer:

you do 8+5/2=2.6 so it took around 2 hours

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3 years ago
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jarptica [38.1K]

The maximum speed of a boat at 30 feet length of water is 0.093 nautical miles/hour or knots.

<u>Step-by-step explanation:</u>

  • The equation for the maximum speed, s is given by s²= (16/9)x
  • where, x is the length of the water line in feet.

It is given that, the modeled equation s²= (16/9)x is used to find the maximum speed in knots or nautical miles per hour.

The question is asked to find the maximum speed when the length of the water is 30 feet.

Therefore, to find the maximum speed in 30 feet water, the given modeled equation is used. So, substitute the 30 feet in place of x.

<u>Now, calculating the maximum speed :</u>

s² = (16/9)(30)

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Taking square root on both sides,

s = √53.3

s = 7.3

The maximum speed of a boat at 30 feet length of water is 7.3 nautical miles/hour or knots.

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3 years ago
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deff fn [24]

3/4 < 33/40 because 30/40 < 33/40

7 0
2 years ago
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Find the difference between ( x+ 5) and (2x+3)
Lynna [10]
The first one = 5 and the second one = -6
hope this helps
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djyliett [7]

Answer:

Step-by-step explanation:

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