That's not true at all.
If a=2 and b=3 . . . then
2 · a · b = 12
but
a² + b² = 13 .
This doesn't satisfy your statement, because 12 and 13 are not equal.
Right off hand, it looks to me as if your statement is true
ONLY if
|a| = |b| ('a' = plus or minus 'b')
and NOT for any other pairs of numbers.
The two equations are vertical angle, which would be equal to each other.
Set the equations to equal and solve for x:
5x -10 = 3x +40
Subtract 3x from both sides:
2x -10 = 40
Add 10 to both sides:
2x = 50
Divide both sides by 2:
x = 50 / 2
x = 25
The answer is B. 25
Answer:
Step-by-step explanation:
<em>See attached.</em>
The intersection of the lines is the solution.
<u>Approximate values of the coordinates is:</u>
- (2, 3.5) or (2, 3) if integer values are required