Answer:
1 3/4 = 7/4 = 1.75 miles (ran);
1.75 + 3.60 = 5.35 miles ( ran and bicycled);
average speed = 5.35 / 0.7 = 7.64 miles per hour;
The correct answer is D.
Step-by-step explanation:
The answer is zero because the line is completely horizontal
Multiply f(x) by g(x):
= ((1 / (-5x + 19)) + 5) * (1 / (10x - 3))
[first add the 5 to f(x)]
= ((1 + 5 * (-5x + 19)) / (-5x + 19)) * (1 / (10x - 3))
= ((1 -25x + 95) / (-5x + 19)) * (1 / (10x - 3))
= ((96 - 25x) / (-5x + 19)) * (1 / (10x - 3))
= (96 - 25x) / ((-5x + 19) * (10x -3))
= (96 - 25x) / (-50x^2 + 15x + 190x - 57)
= (25x + 96) / (50x^2 + 205x -57)
use the quadratic formula for the denominator: x = (-b ± √(b^2 - 4 *a * c)) / 2a
where for this equation a = 50, b = 205 and c = -57
write the answers in the form (x - answer one) (x - answer two)
then re-write the equation in the form (ax + b) / (cx + d)