Answer:
0 solution
Step-by-step explanation:
Given

Required
Find number of solutions;
The number of solutions can be determined via the value of determinants, D;
Such that

By comparing the general form of equation;

with 
This gives

So;
becomes



The calculated value of D is less than 0;
This implies that
has no real solution
The answer would be 6/50 the first one
A) 20%
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<h3>
Answer: Charlotte's speed in meter/second is 2.5m/s.</h3>
Step-by-step explanation:
Given speed of Charlotte in kilometer per hour = 9 km/h
We need to find the Charlotte's speed in meter per second.
We know 1 kilometer = 1000 meter
And 1 hour = 3600 seconds.
Plugging those values of km and hour in given speed in km/h, we get

.
Therefore,
<h3>Charlotte's speed in meter/second is 2.5m/s.</h3>
I hope this helps you out