Answer:
A
Step-by-step explanation:
x² - 4x - 5 = 0
x² - 5x + x - 5 = 0
x(x - 5) + (x -5) = 0
(x - 5)(x + 1) = 0
x - 5 = 0 ; x + 1 = 0
x = 5 ; x = -1
Dont listen to the person above, they put the same link everhwher
The answer is standard form. When the equation is set up as Ax + By = C where A and B are coefficients.
Answer:
It is not a whole number.
Step-by-step explanation:
First, you have to know that interests are WHOLE NUMBERS, not fractions.
10.3 is not a whole number, as 10.3= 10 3/10, or 103/10.
Answer:
Sound can travel 12 miles per minute.
Step-by-step explanation:
Speed equation is distance divided by time.
So we have 1 mile per 1/12 of a minute.
Let’s write the equation.
Speed of sound = 1 / 1/12
Multiply by the reciprocal.
1 * 12 = 12.
