Solve each exponential equation. Give answers as decimals accurate to the thousands place. 1) log(base5)14=2x9 2) log(base7)5=76x 3) (1/3)^(3x+5)=(9)^(8x) 4) 4^(x5)=8^(x+2)
94,598 results
precalculus
Solve 8sin(pi/4x) = 6 for the four smallest positive solutions Give your answers accurate to at least two decimal places, as a list separated by commas.

maths
I am a 7 digit number My tens place is 3 My lakhs place is 2 My hundreds place is twice the lakhs place My thousands place is thrice the tens place My ten lakhs place is 3 less than the thousands place My ones place is 2 less than the thousands place My

precalculus
Solve 5 cos(3 x) = 2 for the smallest three positive solutions. Give your answers accurate to at least two decimal places, as a list separated by commas

Math
If ln a=2, ln b=3, and ln c=5, evaluate the following: (a) ln(a^−2/b^4c^−3)= .9524 (b) ln(√b^−4*c^1*a^−1)= 1.739 (c) ln(a^2b^4)/ln(bc)^−2= 42.39 (d) (ln(c^−1))*(ln(a/b^3))^−4= .03507 I am getting these answers but the problem gives me an

Precalculus
Solve 8 sin(2 x) = 6 for the two smallest positive solutions A and B, with A < B Give your answers accurate to at least two decimal places.

Math  Exponential equation
Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 5e^(x log(9)) = 11

Algebra II
Please check answers: Use the equation of the exponential function whose graph passes through the points (0,2) and (2,50) to find the value of y when x= 2. My answer: 2/25 Solve 64^x/=5/2 Thanks.

Logs.
Can you please help me with the following log. problems? thanxs! Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^x = 6^(x + 7) this is how far I got: x log 7/x log 7=

Math
Find the exact solution, using common logarithms, and a twodecimalplace approximation of each solution. log(7x + 4) = 2 + log(2x − 3) Solve the equation. log(x^3) = (log x)^2

math
LOG(base5)(3/5)+3log(base5)(15/2)log(base5)(81/8)

college algebra
Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a commaseparated list.) 4x − 3 = 32x x = _____

Re: Algebra II
How to solve Log (9x+5)  Log ((x^2)1) = 1/2 16 16 (The 16 is from the logarithmic function : b) (y=log x) b Could anyone post the answer to this? 16 is supposed to be next to Log(16) but lower. This is for both the Logs in the equation.

college algebra
Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a commaseparated list.) 4^(x − 3) = 3^(2x) x = _____

math
tenecia is thinking of a number with 8 place values. the digit in the thousands place is 5. the digits in the hundred thousands are hundreds place are both an odd number greater than 7. the digit in each other place value is one less than the digit in the

precalc
Suppose that u=log(2) and v=log(5). Find possible formulas for the following expressions in terms of u and/or v. Your answers should NOT involve any log's. a) log(0.4)= b) log(0.08)= c) log(2500)=

College Algebra
1. Find the domain of the composite function f o g. f(x)= 2/x3; g(x)= 7/x 2. Solve the following exponential equation. Exact answers only. 2^19x = e^2x

math
solve for x by writing the equation in exponential form: log sub 4 x=2 log sub 5 (2x + 1)=2

mystery number math please help
This number has 7 digits The digit in the ten thousands place is 9 The digit in the hundreds place is 3 times greater than the digit in the ones place The digit in the millions place is the difference between the tens place and the thousands place The

math
it is a 6 digit number. there is no repetition of digits. It is divisible by 5 and is more than 3000,000. The digit in the hundreds place is 3 more than the digit in the ones place. The digit in the ten thousands place is 3 times the digit in the hundred

Precalculus
This is for solving exponential/logarithmic functions: (This is a base e Logarithmic function I would assume): e^(4x)/10 =4^x2 ? I understand the properties of logs for the most part, but I have a hard time figuring out the stepbystep process on how to

precalculus
Solve sin(x) = 0.64 on 0 less than or equal to x less than 2pi There are two solutions, A and B, with A < B Give your answers accurate to 3 decimal places

Calculus
How do I rewrite log4 1=0 as an equivalent exponential equation? How do I rewrite 4 to the 2 power = 1/16 as an equivalent logarithmic equation? Any help is greatly appreciated. If 4 is the BASE of the logarithm, then log (1) = 0 means ...4 4^0 = 1 4^(2)

algebra homework
please check my answers. Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer. ln sqrt x+6 = 9 i got {e^96} log (x + 4) = log (5x  5) i got: 9/4 log (x + 30)

Math
Find the domain of definition of function f(x) given by f(x)= log base4{log base5(log base3(18x  x^2  77)}

Math
Find the value(s) of x for which the equation is true. log(x + 20) = log(x) + log(20) Solve the logarithmic equation for x. (Enter your answers as a commaseparated list. Round your answer to four decimal places.) ln(x − 2) + ln(x + 3) = 1

Math mystery number
This number has 7 digits The digit in the ten thousands place is 9 The digit in the hundreds place is 3 times greater than the digit in the ones place The digit in the millions place is the difference between the tens place and the thousands place The

Algebra
Is this correct? Rewrite as an equivalent exponential equation. Do not solve. log[8](64)=2 Answer= 8^2=64

math
Please help me? y=log(x+1) a. Write the equation as an exponential equation and solve for x. b. Switch the variables in your answer to part a (Change x to y and vice versa). Write the new expression.

5th math
I need help with my math .What is the least Common Multiple (LCM) for 6,4,and 8.? please! show how you get the answer. cause, i got( 2,2,2) i'm not sure of myself at all. thank you! another one problem i'm really confuse is the Write a 9 digit numeral

Precal
Solve the given equation. (Enter your answers as a commaseparated list. Let k be any integer. Round terms to two decimal places where appropriate.) cos θ = 0.16 I know how to find the answers when it's in fraction form, however, I do not know how to do

Logarithms
Kepler's third law of planetary motion relates P, the period of a planet's orbit, to R, the planet's mean distance from the sun, through the equation log P = 1/2 (log k + 3 log R), where k is a constant. a) Rewrite the formula as a single logarithm. b)

Algebra 2
how do i solve these two problems? 3log(base5)^(x^2+9)6 = 0 log(base8)^(n3) + log(base8)^n+4)= 1 can you tell me step by step as well as the answers? please and thank you

Algebra 2
What is X? log(base 5)x^10log(base5)x^6=21

calculus
PLEASE help me. y=log(x+1) a. Write the equation as an exponential equation and solve for x. b. Switch the variables in your answer to part a (Change x to y and vice versa). Write the new expression.

math
4. a. Who am I? • My tens place is 2. • My lakhs place is 2. • My hundreds place is twice the lakhs place. • My thousands place is thrice the tens place. • My ten lakhs place is 3 less than the thousands place. • My one’s place is 2 less than

Math
It is a 6 dagit number. The least digit is in the thousands place. The greatest digit is in the ones place. The digit in the tens place is 5 less than the digit in the ones place. The digit in the hundred thousands place is greater than the digit in the

Math
I am a sixdigit number between 600,000 and 700,000. The digit in the ten thousands place is 1 more than the digits in the thousands and hundreds place. The digit in the hundreds place is 3. The sum of the digits in the ones and tens place equals the

Precalculus
PLEASE HELP ME WITH THESE QUESTION AS MUCH AS POSSIBLE!! Evaluate without a calculator. Give exact answers: a) log(log(10)) = ? b) square root (log(100))  log(square root(100)) = ? c) log((square root 10^3)(square root 10^5)(square root 10) = ? d)

5 th grade math
write the nmber that has 6 in the ones place, a digit in the hundredthousands place the is half the digit in the ones,the smallest odd digit in the thousands place, 4 in the tenths place 1 in all other places ,,.?

Precalculus
Solve each exponential equation. Give answers as decimals accurate to the thousands place. 1) log(base5)14=2x9 2) log(base7)5=76x 3) (1/3)^(3x+5)=(9)^(8x) 4) 4^(x5)=8^(x+2)

Maths
I got this question, and found what I believe to be the solution, but want it confirmed. I started with: log[base5](2x+1) + log[base5](x1) = 1 And used the product law: log[base5]((2x+1)(x1)) = 1 log[base5](2x^2x1) = 1 Then I changed to exponential

Calculus
Find A so that 5log(base5)16807 − 3log(base5)7 = log (base5)A I don't even know how to start this one...should I remove the 5 and 3 in front of the logs?

mathematics
Need help with these: Write the expression as a logarithm of a single quality. a) 3log[base5](a) + 4log[base5](b)  2log[base5](c) b) 3log(2)(1/3)log((x)^(2)  1) I appreciate help.

Math: Algebra2 Logarithms
Can someone help me find the value of B in this expression???? log 64 = Blog 4 5 5 Grrr... sorry about that. Here's the expression again: log (base = 5) 64 =B log (base = 5) 4 log 64 (base5) = log 4^b (base5) so 64 = 4^b by recognition of 64 as a power of

PreCalc Help please
Solve for x: log base5 (4x) + log base5 (x) = log base5 (64)

Pre calculus
Okay, I'm really fuzzy about my log and exponential chapter. For example, solving some exponential equation such as e^3x7 x e^2x=4e I assume I start this equation by taking the natural log of both sides, but how will I know just by looking at an equation

Math
log(base5)x+log(base25)x+log(base125)x=33 solve for x

math
how do you diverse fractions to decimals and visa versa Just take the top number and divide it by the bottom one. For example, if you have 3/10, take 3 and divide it by 10, giving you .30 and this is 30%. Oh, the the other half, if you have a decimal. .1

math
solve for x without using a calculator 5^(x+1) = 25 i know that x would equal 1 because 5^2 is 25, but i don't know how to show how to solve it All you need to do is what you just did: Explain that if x = 1, the equation is satisfied. If you are looking

Algebra 2 once more
I have more answers that I would like checked. Also, there is one that I'm really confused about. I appreciate any help. :) Rewrite as the log of a single number. 1) 8 ln 2 = ln(2^8) 2) log 42  log 6 = log 36 (I think this one may be wrong). Evalute each

Precalculus
Explain how to do these please. 1. solve x=log(base2)*1/8 by rewriting in exponential form. 2. Solve log(3x+1)=5 3. Solve log(base x)8=1/2

algebra
logarithms Solve the following equations 3^x2=6 Add 2 to both sides of the equation to start. Whatever operation you do to one side of an equation you must do to the other side as well. 3^x  2 + 2 = 6 + 2 3^x = 8 Changing to logs: log 3^x = log 8 x log 3

calculus
Please help me solve this equation. log[2](3)+log[2](x)=log[2](5)+log[2](x2) 1. Solve equation by setting up algebraically. 2. Use appropriate properties of Logarithm to reduce the number of logarithmic terms to only one. 3. Solve logarithmic equation.

Math (Logarithms)
How do u do logarithms where there is a log on one side and a number on the other... Example 21.044=log(P/30) I don't want just an answer to the example, i need to know how to do it please... convert your log equation into an exponential equation.

precalculus
My book tells me to solve each exponential equation. I am given a lot of problems such as 6^x+1 = 4^2x1 where I use In in the problem to help get my answer. However, in the same section, the book starts giving me problems such as 3(2)^x2 +1=100 and

More Algebra 2
It would be great if, again, someone would check these answers for accuracy. I'd like to know if I'm doing them right. 1) What equation defines an exponential decay function? a) y=x^pi b) y=pi^x c) y=(1/pi)^x d) y=pi times x I think the answer is c. 2)

calc
Find the missing value: 1) log _____ = 1/2 Solve the equation, round to the thousandths place: 2) log8  log(n2) = 4log2 + log5

Logs
Solve the equation and check your solutions. Note any extraneous answers. log(3x13)=2  log x

Algebra 2
Solve the equation. Round answers to the nearest hundredth. log(7x+1)=log(x2)+1

math
This was a question asked yesterday that I am stuck on also  could you explain how to solve this using this "log" on the calculator please? I'm working on a problem where I was given a table and had to find the exponential equation of best fit. The table

Algebra 2
solve for x: 3^2x+3=7^x+1 I did 2x+3=log0f3(7)+ logof3(7) (2log of 3(7))x=log of 3(7)3 x=log of 3 (7)+log of 3 (3^3)/log 0f 3 (3^2)log of 3 (7) x=log of 3 (71/3^3)/log of 3(9/7) log of 3(7/27)/log of 3(9/7) answer log of 9/7(7/27) Is this correct?

Advanced Functions/ Precalculus Log
1. Evaluate 4^(log base4 64) + 10^(log100) 2. Write 1+log(base2)x^3 as a single logarithm 3. Write log(base b)√(x^3 y z^6) 4. Solve log(base 2)xlog(base 2)6=log(base 2)5+2log(base 2)3 5. Solve 3^(2x) = 9(81^x) 6. Solve 3^(2x)=7^(3x1). Round answer to

Math
Mrs. Karla thank you for your help. but I don't understand your answer. The question is again: Tenecia is thinking of a number with 8 place values. The digit in the thousands place is 5. The digits in the hundred thousands and hundreds place are both an

Precalculus, algerbra 2, investment,
A stuffed animal dealer tells you that a fish he bought for $8 four years ago is now worth $200 follow the steps below to find the effective yield for this investment. Begin with the equation 8(1+r) ^4=200.Solve for (1+r) ^4 Take the common logarithm of

math
It is 7 digit even number.There is no repetition of digits. The digit 5 is in thousands place. The greatest digit is in thee millions place. the digit in the hundred thousandsplace twice the digit in the hundreds place.The digit in the thousands place is

pre calculus
Slove: 2logbase5(x+2) = 2 + log base5(x2)

math
find the inverse of f(x)=5+log(base5)(y5)

Pre Cal long problem( Can I see the work on this)
A stuffed animal dealer tells you that a fish he bought for $8 four years ago is now worth $200 follow the steps below to find the effective yield for this investment. Begin with the equation 8(1+r) ^4=200.Solve for (1+r) ^4 Take the common logarithm of

college algebraI really need help!!
solve the following exponential equation. exact answers only. 19x 2x 2 = e I hope that you understand this question. I don't and need some help please. Can you show all answers please.

Trigonometry
Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then

algebra
2. The level of thorium in a sample decreases by a factor of onehalf every 2 million years. A meteorite is discovered to have only 8.6% of its original thorium remaining. How old is the meteorite in millions of years? 2) You need to show how you use the

check!
here is the question: log5(x4)= log7x solve for x. These are just base 10 logs. log100 = 2 This equation has the same format as log 40 = log (2x20) Since both sides have log base 10, you divide by log base 10 and end up with 5(x4) = 7x, so 5x 20 =7x

Math
7 digit number no repetition of numbers digit 5 in thousands place, greatest digit in the millions place, digit in the hundred thousands place is twice the digit in the hundreds place, digit in the hundreds place is twice the digit in the ones place, digit

Math
h(x) = log (6x+5/7x4) Find a formula for the inverse function h^1(x) h^1(x) = My work so far h(x) = log(6x+5/7x4) y=log(6x+5/7x4) x=log(6y+5/7y4) 7xy4x= log(6y+5) how would I solve from here. Would I solve for y then do the natural log of both sides

Math
How do I convert these decimals? You need to give us some decimals to convert. When you do, show us what you think should be done to convert. You need to give us some decimals to convert. When you do, show us what you think should be done to convert. to a

TRig WIth LoGs help1!!
i have problem i can't solve and the book is no help.. anyone got osme hints or somehting i could start off doing? the problem is... Solve for x: log(x^3)= (log x)^3 Rewrite it as 3 log x = (log x)^3 The use algebra (divide each side by log x) to get (log

SIMULTANEOUS EQUATION
Solve the equation 5x^25x63=0 by using the "complete the square" method. Give your answer to 2 decimal place. Please show me in clear steps how to get the answers 4.08 and 3.08.

Math
Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c.

Trigonometry /Logarithms (brace yourself)
This is an outline that i have to use to find the solution of the question. It involves logarithms and halfangle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for which given parts are

trigonometry
This is an outline that i have to use to find the solution of the question. It involves logarithms and halfangle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for which given parts are

college algbra
find the domain f(x)=x/x8,g(x)=7/x solve the following exponential equation equation exact answers only 3e x1 = 2+e^x1

math need help urgent
find the domain f(x)=x/x8,g(x)=7/x solve the following exponential equation equation exact answers only 3e x1 = 2+e^x1

math need help urgent
find the domain f(x)=x/x8,g(x)=7/x solve the following exponential equation equation exact answers only 3e x1 = 2+e^x1

Math
Tenecia is thinking of a number with 8 place values. The digit in the thousands place is 5. The digits in the hundred thousands and hundreds place are both an odd number greater than 7. The digit in each other place value is one less than the digit in the

math
Logarithm!!! Select all of the following that are true statements: (a) log(2x) = log(2) + log(x) (b) log(3x) = 3 log(x) (c) log(12y) = 2 log(2) + log(3y) (d) log(5y) = log(20y) – log(4) (e) log(x) = log(5x) – log(5) (f) ln(25) = 2ln(5) (g) ln(1) =

math
4. a. Who am I? • My tens place is 2. • My lakhs place is 2. • My hundreds place is twice the lakhs place. • My thousands place is thrice the tens place. • My ten lakhs place is 3 less than the thousands place. • My one’s place is 2 less than

math
WHAT NUMBER MATCHES ALL OF THESE CLUES. The digit in my thousands place is six times the digit in my tens place The digit in my ones place is double the digit in my ten thousands place I have less hundreds than I have tens I have six digits that are all

calculus help please
dy/dx = 2y^2 Integrating...y=2/3 y^3 + C put 1,1 into the equation, and solve for C. Then find the y for x=2 if y= a^uhttp://math2.org/math/integrals/tableof.htm see exponential functions. dy/dx=2y^2 and if y=1 when x=1, then when x=2, y=? how do i get x

math
t is a 7digit even number.there is no repetition of digits.the digit 5 is in in thousands place.the greatest digit is in millions place.the digit in the hundred thousands place is twice the digit in the hundreds place.the digit in the hundreds place is

Precalculus
Solve cos(x) = 0.44 on 0 (less than or equal to) x (less than) 2pi There are two solutions, A and B, with A < B Give your answers accurate to 3 decimal places

math
Wondering the answers to these: Find the value of each of the following. Leave your answers as fractions where appropriate. [I did these myself but need to answercheck] a) log[base4](1/8) b) 10^(10log3) c) 2log[base3](9) d) log[base3](3)^(2x) ans: a)

trigonometry repost .
This is an outline that i have to use to find the solution of the question. It involves logarithms and halfangle formulas.I have worked though it but got stuck on some parts. I'd like if you look over my work. solve the triangle for which given parts are

math
The number has 8 digits none of the digits are the same 2. It is enemy divisible by 10 3. The value of one of the digits is 80,000 4. The digit in the millions place is the largest 1digit odd number 5. The digit in the thousands place is 3 less than the

math
*The number has 8 digits, none of the digits are the same. *It is evenly divisible by 10. *The value of one of the digits is 80,000 *The digit in the millions place is the largest 1digit odd number. *The digit in the thousands place is 3 less than the

college algebraneed help please!!
solve the following exponential equation. use exact answers only. not sure how to put it into the equation but it is 2 then 19x where the 19x is above the 2=e2x where the 2x is above the 2. Can someone tell me or explain to me how to put this equation

calculus
solve the following exponential equation. exact answers only 18x 3x ¨i =e *I know that I did not post this correctly but I do not know how to put the 18x above the pie symbol and 3x above the e.

Math  Logarithm
Solve the following logarithm equation. Please show all of your work. log (5 + x) – log(x – 2) = log 2

math
i am a 9 digit number.i have 5 in my hundred thousands place.the digit in my thousands plce is 3 more than the digit in my hundred thousands place.the digit in my hundred millions place is half the digit in my thousands place.the digit in my ten millions

Logarithm help
using logarithms to solve exponential equations. 5^1+x = 2^1x I need exact numbers. I did one on my own already. 5^x1 = 9 5^x1 = 9 log(5^x1) = log9 (log5)(x1) = log9 x1 = (log9/log5) x= (log9/log5)1 x = 2.3652 Logarithm help  Joe, Friday, September

algebra
solve 4^3x4=32^x+2 Please help! Do you mean 4^(3x) 4 = 32^x +2 ? yes If that is really what you mean, I cannot get a closedform solution for you. You would have to solve it by trialanderror or graphical means. If, on the other hand, you mean