Answer:
x=16
Step-by-step explanation:
- Just divide it as a decimal (40/2.5)
Step-by-step explanation:
6(3-2x)=54
18-12x=54
-12x=54-18
-12x=36
x=36 /-12
x=-3
Answer:
(-8,-6)
Step-by-step explanation:
You add the equations together, the 2y and -2y cancel out. You isolate x, then plug the answer you get for x from that into one of the equations. The amount you get for y is the y-coordinate and the amount you had for x is the x-coordinate. To check, try putting the y value into the equation you didn't plug the x into before. If you get the same x value as you had before, it means it's correct, I think.
Answer:
8/16, 12/24, 16/32, and 20/45
Step-by-step explanation:
Answer:
b = 8
Step-by-step explanation:
Using Pythagorean Theorem, a, we just plug in what we know.
We know that the hypotenuse, c, is 10 km. We also know that one of the other side lengths is 6 km, we can plug that into either a or b.
Now, our equation will be: .
You could also use the equation: .
Next, we'll just solve the equation.
,
b = 8
Good luck :D