Area of triangle with sides a=8, b= 10, c=7
2 answers:
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<h2>Hello!</h2>
The answer is:
The x-coordinate of the solution to the system of equations is:
We can solve the problem writing both equations as a system of equations.
So, we are given the equations:
Then, solving by reduction we have:
Multiplying the first equation by 2 in order to reduce the variable "x", we have:
Now, substituting "y" into the first equation, to isolate "x" we have:
Hence we have that the x-coordinate of the solution to the system of equations is
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Answer:
The equation that models the situation is .
Step-by-step explanation:
Let suppose that effects from air friction and Earth's rotation can be neglected, so that the softball can be modelled experiment a free fall, that is, an uniform accelerated motion due to gravity. From we know the initial velocity and position of the position and we can determine the final position of the ball as a function of the final velocity:
(1)
Where:
,
- Initial and final position of the softball, measured in feet.
- Acceleration, measured in meters per square second.
,
- Initial and final velocities of the softball, measured in feet per second.
If we know that ,
and
, then the equation that models the situation is:
Then, we clear the final position of the softball:
The equation that models the situation is .