.6
6 out of 10
six tenths
.......
The one you have selected is correct
Answer:
the greatest possible value for x is 6
Explanation:
Assume that the sides of the triangle are:
a = x
b = 3x
c = 20
We are given that c is the longest side.
For the triangle to be obtuse:
c^2 > a^2 + b^2
Substitute with the values of a, b and c and solve for x as follows:
c^2 > a^2 + b^2
(20)^2 > (x)^2 + (3x)^2
400 > x^2 + 9x^2
400 > 10 x^2
40 > x^2
Now, we will get the zeros of the function. This means that we will solve for x^2 = 40 as follows:
x^2 = 40
x = + or - √40
either x = 6.32
Or x = -6.32
Since we want x^2 < 40, therefore, the greatest possible value for x to satisfy this condition is 6
Hope this helps :)
the answer will be (-2,6)
We know that the value of x, the independent variable, is 0 at the x-intercept. In this case, time is the independent variable as distance traveled is dependent on it. Therefore, when time is equals to 0, we find that the distance was 50 miles. If the distance is being measured from the bridge, and the train is at the station at time = 0, then the train station is 50 miles from the bridge.