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slavikrds [6]
3 years ago
14

Please tell me where i went wrong

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0
Where at the 39/19?  or when you were trying to reduce 21/19
 
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Two trains are traveling towards each other at a constant speed. The trains are currently 714 miles from each other. The speeds
shutvik [7]
55mph.

you can solve it using the equation distance=speed x time

your total distance is 714, and you have 2 trains, one traveling some speed, x, and one traveling x+8, both traveling for 7 hours. 
your equation would look like this
714 = x(7) + (x+8)(7)
and you can then solve for x, which would be 47. this is the speed of the slower train, but 47+8=55 with give you the speed of the faster train. 
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3 years ago
What is the solution of the equation 14^x=5?<br> Round your answer to the nearest ten-thousandth.
deff fn [24]
Take ln to both sides
ln 14^x = ln 5
then you'll get
x ln 14 = ln 5
divide both sides by ln 14
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after rounding
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3 years ago
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It will take 22 truck loads to haul all the dirt away.

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3 years ago
Help!<br> Change 2/5<br> to a percent.
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Step-by-step explanation:

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