Answer:
40.2
Step-by-step explanation:
law of cosines
x^2=40^2+28^2-2*28*40*cos(70)
put in calculator and square root the answer
40.222.... is approximately 40.2
Divide your number into perfect square factors. ...
Take the square roots of your perfect square factors. ...
Reduce your answer to simplest terms, if your number doesn't factor perfectly. ...
Estimate, if necessary. ...
Reduce your number to its lowest common factors as a first step.
3(x+5)=8x~~~First we distribute (we multiply 3 by x and 3 by 5)
3x+15=8x~~~Remove 3x from both sides
-3x -3x
15=5x~~~~Turn this equation around so x is on the other side
5x=15~~~Divide by 5x
÷5x ÷5x
x=3
You see one point is (-3,1). The next point that you see is (0,2). You can do rise/run
For 1 to go to 2, you need to go up one. For -3 to get to 0, you need to run 3. So, the answer would be rise/run, or
1/3
