The value of x = 75 ⇒ 2nd answer
Step-by-step explanation:
Let us revise some rules of logarithmic function


vice-versa 
- If ㏑(a) = ㏑(b), then a = b
∵ 
- Use the 2nd rule to simplify it
∵ 
∵ 
∴ 2㏑(2x) - ㏑(10x) = ㏑(30)
- Use the 3rd rule in the 1st term
∵ 2㏑(2x) = ㏑(2x)² = ㏑(4x²)
∴ ㏑(4x²) - ㏑(10x) = ㏑(30)
- Use the 1st rule with the left hand side
∵ 
∴ 
∵ 
∴ 
- Use the 4th rule
∴
x = 30
- Multiply both sides by 5
∴ 2 x = 150
- Divide both sides by 2
∴ x = 75
The value of x = 75
Learn more:
You can learn more about logarithmic functions in brainly.com/question/11921476
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The answer is -2-m- plz make brainliest
Answer:
-5
Step-by-step explanation:
Tbh i only know problem 14.
The x-intercept is on the x-axis.
In coordinate points (x,y).
The two x-intercepts are (-1,0) and (2,0).
To find the x intercept using the equation of the line, plug in 0 for the y variable and solve for x. You can also use the graph of the line to find the x intercept. Just look on the graph for the point where the line crosses the x-axis, which is the horizontal axis. That point is the x intercept.