Answer:
The solution for k is the interval (-3.5,1.5)
Step-by-step explanation:
we have
![}[1-k]x^{2}+3x-(3+k)=0](https://tex.z-dn.net/?f=%7D%5B1-k%5Dx%5E%7B2%7D%2B3x-%283%2Bk%29%3D0)
we know that
If the discriminant is greater than zero . then the quadratic equation has two real and distinct solutions
The discriminant is equal to
In this problem we have
a=(1-k)
b=3
c=-(3+k)
substitute
so
solve the quadratic equation by graphing
The solution for k is the interval (-3.5,1.5)
see the attached figure
Let the number of times she turns the pedal in one mile be x.
Given that her rear miles turns 875 times in one mile and the ratio of pedal turns to rear wheel turns is 4 to 7, then
Therefore, she turns the pedal 500 times in one mile.
Your answer would be (b.) because -2+-3=-5
Answer:
A. 5.8
Step-by-step explanation:
From the given graph d has two coordinates;
the first coordinates of d = (0, 0)
the second coordinate of d = (-3 , -5), that is x = -3 when traced up and y = -5 when traced horizontal
The distance between the two coordinates = distance of d;
Option A is correct
Answer:
x= -7/2
decimal form: -3.5
Step-by-step explanation:
