3 years ago

Solve 4^(2x) = 7^(x−1).

1 answer:

3 0

To solve for x in the given equation, use natural logarithms. Getting the natural logarithms of both sides, will be ln 4^(2x) = ln 7^(x-1). This is also equal to 2x ln 4 = (x-1) ln 7. Rearranging the equation, 2x/(x-1) = ln 7/ln 4. The right side is equal to 1.4037. Thus, the value of x is -2.3539.

You might be interested in

What is the simplest form of 2 sq root 3/ sq root 6

Shkiper50 [21]

Answer:

2/√2

Step-by-step explanation:

We are to solve this surd question

2(√3)/√6

2(√3)/√2×3

2(√3)/√2×√3

Divide both by√3

2/√2

We will have to leave the answer in surd form

So the final answer is 2/√2

8 0

3 years ago

Can someone please help me with question 3 and 4

storchak [24]

3. it would be 15 because it is multiplying by 3

4. it would be 11 because it's subtracting 2

7 0

3 years ago

Simplify (-8-1/2X + 2-1/2) + (-2-2/5x-5-2/3)

Citrus2011 [14]

The answer to this problem is =−9/10x+−85/6

8 0

3 years ago

MUCH HELP NEEDED :)

Anettt [7]

Jdidbdjdisjdncncnfnfnfnfnfncncnd djd did did did djd djd I was jw I love ya baby

8 0

3 years ago

3. Use method of completing the square to evaluate 2x^2+ 5x = 8

Zina [86]

Answer:

x= -5- $\sqrt{89}$ /4, - 5+ $\sqrt{89}$ /4

Step-by-step explanation:

solve the equation for x by finding a,b, and c of the quadratic then applying the quadratic formula (the full thing under "answer:" is the exact answer

7 0

2 years ago