Answer:
15 or -5
Step-by-step explanation:
√(25-40x)= x-10
Squaring both sides
25 - 40x = (x -10)²
25 - 40x = x² -20x + 100
x² - 20x + 40x + 100 - 25 =0
x² +20x = -75
x² + 20x + 10² = -75 + 100
(x + 10)² = 25
x - 10 = ±√25
x - 10 = ±5
x = ±5 + 10
x = 15 or x = -5
Answer:
y = 2x - 6
Step-by-step explanation:
The slopes of parallel lines have the same slope, so the other line must also have a slope of 2.
First, we know that an equation in point-slope form is y-y1 = m(x-x1). We can plug in the values here (5, 4) into the equation:
y - 4 = 2(x-5)
Simplify:
y - 4 = 2x - 10
Therefore, the equation is:
y = 2x - 6
The first one is a>11, second one is y≤-14, and the third one is n>8
Answer:
234
Step-by-step explanation:
