Answer:
(x,y) = -1/2 , 3/2
Step-by-step explanation:
Let y = x +2 ----- (1)
y = -3x ------ (2)
Put equal both sides x +2 = -3x
x = -3x -2
x +3x = -2
4x = -2
x = -1/2 Put it in 2nd equation
Y = -3 (-1/2)
y = 3/2
so (x,y) = -1/2 , 3/2
Hope you got it.
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The answer to number 18 is - 0.25 or 1/4
If you need help with the other ones ask.
<em>Hope this will help :)</em>
Answer:
99
Step-by-step explanation:
8 + 7(4^2 - 3)
Solve what’s in the parentheses first, starting with 4^2:
8 + 7(16 - 3)
Continue solving what’s in the parentheses:
8 + 7(13)
Considering the order of operations, multiply 7(13) before adding 8:
8 + 91 = 99
Answer:
Markup, 42% profit
Step-by-step explanation:
(someone check this)