A persons weekly pay directly proportional to the number of hours worked on Spee is $123.00 for 20 hours of work. Find amount of
1 answer:
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Answer:
Step-by-step explanation:
Let t represents the time in hours,
We know that,
Since, the speed of truck = 30 miles per hour,
So, the distance covered by the truck in t hours = 30t miles,
Similarly,
Speed of car = 60 miles per hour,
So, the distance covered by car in t hours = 60t miles,
∵ Truck is 300 miles east of the car initially,
Thus, the distance of the truck from the starting point = 30t + 300,
While the distance of the car from the starting point = 60 t,
Now, these two vehicles are going in the directions which are at right angled ( car is going north and truck is going west )
Using the Pythagoras theorem,
Distance between them after t hours,
Which is the required function.
Answer:
Dimensions of rectangle : Width = , Length =
Area of Rectangle =
Step-by-step explanation:
A rectangle constructed with its base on the x-axis and two of its vertices on the parabola
Supposing coordinates of upper right vertex of rectangle are P =
Due to parabola symmetry, width of rectangle is twice the horizontal (X) axis distance between Y axis & point P.
Width of rectangle :
Length of rectangle :
Area of Rectangle = Length x Width
() (
)
=