Good evening ,
Answer:
b. 0.05
Step-by-step explanation:
(85-80)÷100 = 5÷100 = 0,05.
:)
{ x + y = 5 * ( -3 )
3x + 2y = 10
- 3 x - 3 y = - 15
3 x + 2y = 10
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- y = - 5 * ( -1 )
y = 5
For x :
3 x + 2 y = 10
3 x + 2 * ( 5 ) = 10
3 x + 10 = 10
3 x = 10 - 10
3 x = 0
x = 0 / 3
x = 0
X = 0 and y = 5
hope this helps!
Answer:
X = 8/3 + X^2/3
X = -4 ± i
Step-by-step explanation: