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OLEGan [10]
2 years ago
14

David and Mark are marking exam papers. Each set takes David 61 minutes and Mark 1 hour. Express the times David and Mark take a

s a ratio in its simplest form.
Mathematics
1 answer:
Mamont248 [21]2 years ago
5 0
Do you know how to change the 1 hour to minutes
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Please help ASAP. Need it for homework
kondaur [170]

Answer:

  Speedy Taxis

Step-by-step explanation:

I solved this by using a graphing calculator. Speedy Taxis shows the least cost for x=30.

__

You can figure the cost of each for x=30

  1.5(30) = 45

  1.1(30)+11.5 = 33+11.5 = 44.5 . . . . . lowest cost

  1.25(30)+8 = 37.5+8 = 45.5

Speedy Taxis is the cheapest for a trip of 30 miles.

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3 years ago
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riadik2000 [5.3K]
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</span>a = c * b    /c
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The correct result would be <span>b = a/c.</span>
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Aleonysh [2.5K]
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How many solutions will the following system have? <br><br> y=-2x+4<br><br> -2y-4x=-8
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Step-by-step explanation:

It’s because the answer is 8y

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