-0.5 n^2=-18
n^2= 36
n= sqrt (36)=6 or -6
Hope this can help.
Answer:
Step-by-step explanation:3
Answer: x=-35/10
y=-4
Step-by-step explanation:
y = 3/2x +5/4
-2x+8y=-25
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replace y in second equation with: y = 3/2x +5/4
-2x+8(3/2x+5/4)= -25
-2x+12x+10= -25
10x=-35
x=-35/10
x=-3.5
7+8y= -25
8y=-32
y=-4
Answer:
Step-by-step explanation:
3(3) = 9
15-3=12
12(9)= 108
7(9)=63
ans : 183
Answer:
32
Step-by-step explanation:
x^2 + 4y = 16 + 20 = 32
Just do substitution.
Hope this helps.
Good Luck
