System of linear equations
A set of two or more linear equations containing two or more variables.
2x + 3y = −1
x − 3y = 4
Answer:
$153
Step-by-step explanation:
Divide by 100-sale%
102/.66666=
$153
Check: 153x.666666=102 YES
Answer:
4x² + 4y² + 8xy
Step-by-step explanation:
( 2x + 2y ) ( 2x + 2y ) = ( 2x + 2y )²
Formula : -
( a + b )² = a² + b² + 2ab
Here,
a = 2x
b = 2y
( 2x + 2y )²
= ( 2x )² + ( 2y )² + 2 ( 2x ) ( 2y )
= 2²x² + 2²y² + 8xy
= 4x² + 4y² + 8xy
Answer:The answer is (4,7)
Step-by-step explanation:
I only found 4 ways, hope this helps