Answer:
B. 2x + y = 4
Step-by-step explanation:
If you look carefully, you will see that
y = -2x + 4 and
2x + y =4
are the same equation, so there are infinitely many solutions for the system, namely, all the points on the line y = -2x + 4
If you want to find an example of solution, just give arbitrary values to x and solve for y.
For example
x = 1, y=2 is one solution
x=2, y = 0 is another one.
There are as many solutions as values of x you try, so there are infinitely many.
I could not get it to work with all of those numbers. The only number that caused an issue was 29. I used 28 instead and it worked. I'm not sure if 29 was a typo, but I couldn't get 29 to work.
Answer:
a 125600 cm^3
b 327910.2 m^3
Step-by-step explanation:
The volume of a cylinder is given by
V = pi r^2 h
a = 3.14 (20)^2 100
=125600 cm^3
b We know the diameter r =d/2 = 118/2 =59
V = pi r^2 h
3.14 (59)^2 *30
327910.2 m^3
The formula for the area of a triangle is A=1/2bh