a straight line is 180° so:
x+2/3x=180
multiply everything with 3 so that you'll looser the denominator:
3x+2x=540
5x=540
x=540:5
x=108
(2/3x= 72)
Answer:
thank you
Step-by-step explanation:
Answer:
x=1+i√19,1-i√19
Step-by-step explanation:
Write the problem as a mathematical expression.
Subtract from both sides of the equation.
Use the quadratic formula to find the solutions.
Substitute the values, and into the quadratic formula and Simplify.
Simplify the numerator. Multiply by Simplify
Answer:
i got stuck on this after solving the triangle. Below shows where I ended.
Step-by-step explanation:
1/2 * 12 * 25=150
Answer:
a convex nonagon
Step-by-step explanation:
