Answer:
x= -2
Step-by-step explanation:
The first thing I did was isolate the x's on one side. I subtracted 38x from both sides. This gives me:
-9x=18.
Now i divide both sides by -9. Giving me x=-2
Answer:
The area of the triangle is 72 ft^2.
Step-by-step explanation:
Since A = (1/2)(base)(height),
if base = 9 ft and height = 16 ft, then
A = (1/2)(base)(height) = (1/2)(9 ft)(16 ft) = 72 ft^2.
X<span> 3</span><span> + 3x</span><span> 2</span><span> + 9x + 27 R88 is the answer</span>
Answer:
The number of test required is: 55
Explanation:
Using combination formula:
n!/x!(n-x)!
= 11!/2!(9)!
= 55
