4 years ago

Solve the exponential equation using the method of relating the bases by first rewriting the equation in the form of e^u=e^v

Mathematics

1 answer:

N76 [4]4 years ago

5 0

-6x=1/2 +x-65.5=7xx=11/14

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The number of different cars sold in some country rose from 210 in 1997 to 277 in 2007. Find the percent increase. Round to the

Pachacha [2.7K]

Answer:

70%

Step-by-step explanation:

What I did was,I counted by tens on my fingers until I got to 60 and I added 7 to that and I rounded It to the nearest whole percent which was 70 because,It was closest to 67.

3 0

3 years ago

(5/6)^4x=(36/25)^9-x, please help solve for x, and the 9-x is all superscript

stiks02 [169]

$\frac{36}{25}=\frac{6^2}{5^2}=\left(\frac{6}{5}\right)^2=\left(\frac{5}{6}\right)^{-2}\\\\therefore:\\\\\left(\frac{5}{6}\right)^{4x}=\left[\left(\frac{5}{6}\right)^{-2}\right]^{9-x}\\\\\left(\frac{5}{6}\right)^{4x}=\left(\frac{5}{6}\right)^{-2(9-x)}\iff4x=-2(9-x)\\\\4x=-2\cdot9-2\cdot(-x)\\\\4x=-18+2x\ \ \ \ \ |subtract\ 2x\ from\ both\ sides\\\\2x=-18\ \ \ \ \ \ |divide\ both\ sides\ by\ 2\\\\\boxed{x=-9}$

$Use:\\a^{-n}=\left(\frac{1}{a}\right)^n\\\\\left(a^n\right)^m=a^{n\cdot m}\\\\\left(\frac{a}{b} \right)^n=\frac{a^n}{b^n}$

6 0

3 years ago

Read 2 more answers

Am I correct on #6???

solniwko [45]

Answer:

im pretty sure it is 113.

Step-by-step explanation:

3 0

4 years ago

Here’s another one free 50 points and brainiest, first come first serve! 4x+5-10+3x=57

GarryVolchara [31]

So we have to simplify this equation:
4x+5-10+3x=57
Add like terms:
7x-5=57
Then add 5 to both sides:
7x=62
x=62/7

3 0

3 years ago

Read 2 more answers

What is the exact volume of a sphere that has a radius of 9.6 m? <img src="https://tex.z-dn.net/?f=%20%5Cpi%20" id="TexF

Evgesh-ka [11]

We have to find the volume of the sphere that has a radius of 9.6 m. The formula for the volume of the sphere is: V = 4/3 r^3 Pi. ( r = 9.6 m, Pi = 3.14 ) V = 4/3 * 9.6^3 * 3.14; V = 4/3 * 884.736 * 3.14; V = 3,705.97349m^3 ( when the number Pi is more accurate ). Answer: The exact volume of the sphere is 3,704.97349 m^3.

4 0

3 years ago