Answer:
x = - 2, x = 7
Step-by-step explanation:
Given
f(x) = 4x² - 20x - 56
To find the zeros let f(x) = 0, that is
4x² - 20x - 56 = 0 ( divide through by 4 )
x² - 5x - 14 = 0 ← in standard form
(x - 7)(x + 2) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 2 = 0 ⇒ x = - 2
x - 7 = 0 ⇒ x = 7
9/18 or 50% if you toss the coin because when you toss 1 coin you get a 1/2 chance of getting tails. Do that nine times and you get 9/18
Answer:
The volume of the cone is 12936 cubic mm.
Step-by-step explanation:
Given
Circumference of base = 132 mm
Height of the cone = 28 mm
Solution
Formula of circumference = 
= 132 mm
Now volume of cone = 
on substituting the value of r and h we get ;
thus volume of cone is 12936 cubic mm.
Answer:
The number of ordered arrangements of n objects taken r at a time.
Step-by-step explanation:
Answer:
The slope of y = 1 is 0
explanation:
Determining slope has been based on a simple formula, y2-y1 over x2-x1.
It is crucial to follow this formula in order to attain the proper slope.
When a simple expression is given, for instance; y = 1 then it could be divided by 0; thus, resulting in the answer simply being zero.
However, x=1 would contain the slope of undefined because any number divided by zero results in an undefined answer.
