Answer:
Step-by-step explanation:
-5x +3(2x) = 2
-5x +6x = 2
x=2
Answer:
G
Step-by-step explanation:
out of a total of 280 spinners as the overall.
3/40 were defective
280 * 3/40 = 21
Answer:
<em>x=7</em>
Step-by-step explanation:
Start with the left side
-5x+7x+8
combine like terms
2x+8=1+3x
subtract 2x from both sides to get 8=1+x
subtract 1 from both sides to get 7
put the variable on the left
<em>x=7</em>
<u>Hope this helps :-)</u>
11 1/9% as a fraction is 1/9
15) Yes, it is a function.
16)
A f(-4)=2
B F(3)= something around -1.75
C f(-5)=0
D f(-2)=4
E f(0)=0
F) -2
17)2(2a+5)=4a+10
a(a+5)=a^2+5a
18) 1