The equation is 4x+8=-12 so you subtract 8 from both sides to give you 4x=-20, then you divide by 4 to get x=-5
Step-by-step explanation:
idk
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What is the mean value for -3, -1, 0, 2, 4, -4, 2, -3, 8, -2, 5, 1
gizmo_the_mogwai [7]
Answer:
0.75
Step-by-step explanation:
you add the numbers then divide them by the total number of numbers
I hope this helps you
-cos²x= sin²x-1
4.sinx = sin²x-1+4
sin²x-4.sinx +3=0
(sinx-3)(sinx-1)=0
sinx≠3
sinx =1
SİN90=1
