Answer:
First factor the Area
Area = 18x2+12x+2
Factor out a 2
Area = 2(9x2+6x+1)
Factor this and you get
Area=2(3x+1)(3x+1)
Let L be Length and W be Width
Area=LW
and the Length is twice the Width so
L=2W
Area=2(3x+1)(3x+1) so
L=2(3x+1)
W=3x+1
This can also be written as if you distribute the 2
L=6x+2
W=3x+1
2x+x+47
3x+47
3x+47=x+93
2x+47=93
2x=46
x=46/2
x=23
You must use all the equations that makes up the x. Using all the equations will cover the area than just using part of it.
Answer:
A
Step-by-step explanation:
(f-g)(x) means that the 2 functions are being subtracted.
+10x -(5x-3) = +10x-5x+3
simplify!
+5x+3
the answer is A
5/7 The events are not complementary
The amount that it rises each minute forms a geometric sequence...
a(n)=ar^(n-1), and we know that a=100 ft and r=1/2 so
a(n)=100(1/2)^(n-1)
And the sum of a geometric sequence is:
s(n)=a(1-r^n)/(1-r)
s(n)=100(1-0.5^n)/(1-0.5)
s(n)=200(1-0.5^n)
So we can call these sums the height function
h(t)=200(1-0.5^t)
So after 5 minutes...
h(5)=200(1-0.5^5)
h(5)=193.75 ft
