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GarryVolchara [31]
3 years ago
9

Jambi can 148 mile bicycle trip to build up stamina for a triathlon competition unfortunately his bicycle chain broke so he fini

shed walking the trip walking the whole trip took five hours of jam walks at a rate of 3 mph and rides at 41 mph find the amount of the time he spent on the bicycle
Mathematics
1 answer:
Jobisdone [24]3 years ago
5 0

Walking at 3mph he wouldve walked 15 miles in 5 hours, leaving 133 miles on bike.

133/41=3.24390244hours on the bike

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Step-by-step explanation:

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Consider the system of equations.
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The solution to the system of equations x + 2y = 1  and -3x-2y = 5 is:

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The given system of equations:

x  +  2y  =  1............(1)

-3x - 2y  =  5..........(2)

This can be written in matrix form as shown:

\left[\begin{array}{ccc}1&2\\-3&-2\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right] = \left[\begin{array}{ccc}1\\5\end{array}\right]

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x = \frac{\triangle_x}{\triangle} \\x = \frac{-12}{4} \\x = -3

y = \frac{\triangle_y}{\triangle} \\y = \frac{8}{4} \\y = 2

The solution to the system of equations x + 2y = 1  and -3x-2y = 5 is:

x  = -3,  y = 2

Learn more here: brainly.com/question/4428059

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