Answer:
(-6, 8)
Step-by-step explanation:
(x, y) --> (-y, -x)
(-8, 6) --> (-6, 8)
Therefore, (-6, 8)
I hope this helped and have a good rest of your day!
Answer:
x=5 y=-6
Step-by-step explanation:
3x+y=9 ------eqn1
y=4-2x -------eqn2
using substitution
put y=4-2x into eqn1
3x+4-2x=9
x=5
put x=5 into eqn2
y=4-2(5)
y=4-10
y=-6
Answer:
20%
Step-by-step explanation:
4/5=.80
1-.80=.20
.20=20%
Answer:
£177.92
Step-by-step explanation:
To increase something by 28% would be to multiply the original value by 1.28:
So to increase £139 by 28%, we do:
£139 × 1.28 = £177.92
So this is our final answer
