Answer:
-1
Step-by-step explanation:
Answer:
x = 2
Step-by-step explanation:
The relevant rule of logarithms is ...
log(a/b) = log(a) -log(b)
This lets us combine the logs on the left to get ...
log((6 +7x)/(3x -2)) = log(5)
Taking anti-logs gives ...
(6 +7x)/(3x -2) = 5
6 +7x = 5(3x -2) . . . . . multiply by (3x -2)
7x +6 = 15x -10 . . . . . eliminate parentheses
8x = 16 . . . . . . . . . . . add 10-7x to both sides
x = 2 . . . . . . . . . . . . . divide by 8
The solution is x = 2.
_____
The graph shows the left side of the equation is equal to the right side for x=2.
Answer:
B.
Step-by-step explanation:
Don't doubt me... jwust twust me
50+50+8x+8=180
180-108=8x
x=9
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Answer:
B
Step-by-step explanation:
We have that
Step 1
find <span>an equation for the line that passes through A (-3,2) and B (6,8)
m=(y2-y1)/(x2-x1)=</span>(8-2)/(6+3)=6/9=2/3
y=mx+b
with point (6,8)
8=(2/3)*(6)+b-------------> 8=4+b------------> b=4
y=(2/3)x+4
the answer is
<span>Lugo's equation is the correct one</span>