Answer:
√s(s-a) (s-b) (s-c)
Step-by-step explanation:
123456
herons formula
An expression for the cost will be 50+100n, where n is the number of cavities.
Answer: You can multiply the top equation by -1 to eliminate the x variable.
And the solution is (2,4/3) in case you need it.
Step-by-step explanation:
2x + 3y = 8
2x + 6y = 12
If you multiply the upper equation or down equation by one, you will be able to eliminate the x variable.
-1( 2x + 3y) = -1(8) New equation: -2x -3y = -8.
Add the new equation you got by multiplying the top equation by -1 to the bottom equation.
Add them: -2x -3y = -8
2x + 6y = 12
3y = 4
y = 4/3
You can now input the value for y into the one of the equations and solve for x.
-2x - 3(4/3) = -8
-2x -4 = -8
+4 +4
-2x = -4
x = 2
Answer:
y=1/2x+5
Step-by-step explanation:
The formula is y=mx+b.
m is the slope, and b is the y-intercept.
1/2 is the slope, and 5 is the y-intercept.
y=1/2x+5.
-hope it helps
Answer:
Step-by-step explanation: