(2x+2)(10x^2 - 6x + 8) =
2x(10x^2 - 6x + 8) + 2(10x^2 - 6x + 8) =
20x^3 - 12x^2 + 16x + 20x^2 - 12x + 16 =
20x^3 + 8x^2 + 4x + 16 <==
Answer:
yes
Step-by-step explanation:
x isnt a number
Answer:
x=4
Step-by-step explanation:
7/9 - x/9 = 1/3
I like to get rid of fractions so I will multiply each side by 9
9*(7/9 - x/9) = 1/3*9
7 - x = 3
Subtract 7 from each side
7-x-7 = 3-7
-x= -4
Multiply each side by -1
x =4
Answer:
see explanation
Step-by-step explanation:
Given
cosθ = - 
This is a 5- 12- 13 right triangle
with adjacent = 5, opposite = 12 and hypotenuse = 13
In quadrant 3
sinθ < 0 and tanθ > 0 , then
sinθ = 
= - 
and
cscθ = 
= 
= - 
then
tanθ = 
= 
= - × - 
= 
Answer:
D, a 25 percent discount means the item is at 75 % of what it used to be.
Step-by-step explanation:
