# Having a really hard time with this! e^8x^2-5 = 14 solve the exponential equation express in exact form. Someone please help!

158,659 results

1. ### calculus

Having a really hard time with this! e^8x^2-5 = 14 solve the exponential equation express in exact form. Someone please help!
2. ### 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
3. ### algebra

solve the exponential equation Express in exact form. 5e^xlog_9 = 11 Is x = (ln11-ln5/log_9 exact form??????
4. ### pre calculus

Solve the exponential equation Express you solutions in exact form only Please show your work e^2x - 9e^x - 20 = 2
5. ### Math - 2

Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. (e^(2x) – 10e^x) / 13 = 3
6. ### college algebra

Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 3^x-70*3^-x=9
7. ### precalculus

solve exponential equation. express in exact form. e^x-42e^-x= -19
8. ### precalculus

solve the exponential equation express in exact form only show all work. 2e^x= squareroot 10e^x +3

Solve the equation by expressing each side as a power of the same base and then equating exponents. 9^(x - 9)/8= sqrt of 9 i got 13 4^(x + 10) = 8^(x - 6) i got 38 Solve the exponential equation. Express the solution set in terms of natural logarithms. 2^8x = 4.5 i got {ln 4.5...
10. ### physics

Can someone please help me? I am having a really hard time with physics. This is not a test question. It is a practice problem from a review website I am supposed to use, but I am having a really hard time. Can someone at least help me to begin setting up the problem? I would ...
11. ### college algebra--need 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 1-9x where the 1-9x 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 the right way here.
12. ### Chemistry URGENT

I am having a hard time understanding how to calculate pH. my textbook states that that pH =-log[H^+]. I have two questions that asks: What is the H^+ concentration in an acid with of pH 4.6? Express your answer as a power of 10. What is the H^+ concentration in a base with a ...
13. ### college algebra--I really need help!!

solve the following exponential equation. exact answers only. 1-9x 2x 2 = e I hope that you understand this question. I don't and need some help please. Can you show all answers please.
14. ### exponential equation-Algebra

Solve the exponential equation. Express the solution set in terms of natural logarithms. 4^(x + 4) = 5^(2x + 5)-This question I don't understand.
15. ### math

I must simplify this equation and am having a hard time (5+2a+3a)-(a2+a-6) I also would like to know if you could help me with this onex(4x2+3x-5)-2(4-x2) this is also simplifing. I have a really hard time with these, thank you
16. ### Algebra Help

Let x = log_2 1/8 Write the exponential form of the equation and solve the equation for x. Does this work? Thanks! Exponential form is 2^-3=1/8 To Check: 2^-3=1/2^3=1/8
17. ### ALGEBRA

Solve the exponential equation. Give the exact value for x. (Express all logarithmic functions in terms of ln(x) in your answer.) text((a) ) e^x = 10 x = text((b) ) e^x = 2.0 x = text((c) ) e^x = 37.9 x =
18. ### precalculus

Solve the logarithmic equation. Express your solutions in exact form only. 18e^-x -e^x=7
19. ### Math

Solve the logarithmic equation. Express your solutions in exact form only. Please show all of your work. log3(x+2) + log3(x+8) – 2 = log3(x+3)
20. ### Math

A chemist needs 22 liters of a 14% acid solution. He has a 10​% solution and a 20% solution available to form the mixture. How much of each should be used to form the 14​% ​solution? I'm having a really hard time forming an equation for this. I've tried ...
21. ### Trig

h t t p : / / m a t h c e n t r a l . u r e g i n a . c a / Q Q / d a t a b a s e / Q Q . 0 9 . 9 9 / a n g e l a 2 . 2 . g i f give that picture how do I solve for (h) I know that you you From the diagram tan(3.5) = h/(13 + x) and tan(9) = h/x. Solve the second equation for x...
22. ### math

Can someone help me plwease with this problem????? I need to find an equation for the given pair of points and express my answer in x=a,y=b, or y=mx+b form. Please explain it simply as I am really struggling with this. (-1,-1) and (6,6). Thank you so much for your help!!!!!
23. ### I am really struggling on this problem - geometry

Please help guys if you can, this is a really hard problem I am trying to solve Four circles of unit radius are drawn with centers (1,0),(0,1) ,(-1,0) ,(0,-1) and . A circle with radius 2 is drawn with the origin as its center. What is the area of all points which are ...
24. ### College Algebra

Solve the logarithmic equation. Express your solutions in exact form only. Please show all of your work. log base 6 (64x^3+1)-log base 6 (4x+1)=1

Point X is on line AC such that AX = 3 CX = 12. If <ABC = <BXA = 90 degrees, then what is BX? I'm having a really hard time drawing this out. Is there an easy equation to use for this that won't include drawing it?
26. ### logarithms

Solve the logarithm equation. Express the solution in exact form only. log[6](64x^3+1)-log[6](4x+1)=1

I have two questions That I need help with please!! 1. solve the following exponential equation. what is the exact solution? what is the decimal approximation when rounded three decimal places? 2.

Form a polynomial f(x) with real coefficients having the given degree and zeros. degrees 5; zeros 1; -i; 7+i please show all work. I am having a hard time understanding this.
29. ### college algbra

find the domain f(x)=x/x-8,g(x)=-7/x solve the following exponential equation equation exact answers only 3e x-1 = 2+e^x-1

32. ### math need help urgent

find the domain f(x)=x/x-8,g(x)=-7/x solve the following exponential equation equation exact answers only 3e x-1 = 2+e^x-1
33. ### math need help urgent

find the domain f(x)=x/x-8,g(x)=-7/x solve the following exponential equation equation exact answers only 3e x-1 = 2+e^x-1
34. ### Algebra

"Write a brief scenario that can be modeled with a linear equation. Summarize a situation modeled by a quadratic equation." Although I understand the difference between the two, I'm having a hard time creating problems that express them.
35. ### English

Hi so I read the book The Impossible Rescue by Martin Sandler and I need 3 main ideas and 3 pieces of evidence for each can someone help me I am having a really hard time?
36. ### Social Studies 8R - help!!!!!!

I need the definition for the following words: Sacramento vein national grange Roundups Treaty of Guadalupe Hidalgo Fort Laramie Treaty 1851 Battle of Little Bighorn I tried looking in my book, it's not there and Google it. I having a hard time finding the definition, please ...
37. ### MATHS

Critical help please. Level 3 maths algebraic methods is really hard. Q) Two functions f and g are defined by f:x (arrow) x^2 + 3 g:x (arrow) 2x+1 Find a) the function fg b) solve the equation f(x)=12g^-1(x) I need to show my working out, please help someone
38. ### Trig

I'm really having a hard time determining an equation for a pendulum problem. It has to be in the form H(t)=asin[b(t-c)]=d. I've already determined a=25, d=30 and b=pi/14 but I can't figure out how to get c (the phase shift). How do I figure out the phase shift in these type ...
39. ### college algebra

1. find the equation of the line with the given properties. Express the equation in general form or slope-intercept form. perpendicular to the line -3x_y= -27; contains the point (9, -1) the equation of the line is ? 2. solve the polynomial inequality and then graph the ...
40. ### math

I am having a really hard time with these! 1. Solve system of equations x+3y=7 (1) x=8-3y (2) 2. find slope (9,8) (10,-7) 3. translate into an algebraic expression The product of 46% and some number
41. ### precalculus

solve the logarithmic equation . express solution in exact form log5(x-9)+log5(x+4)=1+log5(x-5)
42. ### calculus

solve the following logarithmic equation. Be sure to reject any value of x that is not in the domain of orginal expression. then in the solution set round to two decimals places. Inx=8 I get e^8 But am having a hard time with rounding two decimal places. Can someone help?
43. ### Math

Please Simplify: (root5 a^7/2)^4 a^3/a^8 I am having a hard time figuring where to start on this problem. Can someone please help me?
44. ### algebra

I am having a hard time solving my problem 2ã20 + 5 ã 80 - 7 ã5 Can someone please help me
45. ### algebra

I am having a hard time solving my problem 2ã20 + 5 ã 80 - 7 ã5 Can someone please help me
46. ### Algebra

How would I express what is below in the exponential form of an equation? Let x = 1og_2 1/8
47. ### algebra

Hi, can someone please help me with this question? When each of three different numbers is added to the average of two other numbers, the results are 105, 106 and 125. What is the average of the three original numbers? I'm not exactly sure how to go about this problem... I'm ...
48. ### Algebra 1

I'm having a hard time understanding distance rate and time word problems, and my teacher doesn't really make things clear. I don't ask questions, because I'm busy trying to keep up with writing notes. Can someone possibly give me an example on a distance rate time question ...
49. ### Statistics

Please help with this problem. Really having a hard time. How many runs are there in the following series of free throws? HMMHHMHMMHHHHHMMHHMMHMHHHMHHHHMMMHH
50. ### rational equation

I am having a hard time figuring this out. I know I need to find the vertex from the vertex form equation but I am having a hard time figuring out the equation. A caterer will charge a certain club \$20 per member to cater a dinner if 150 members attend. However, the cost per ...
52. ### Algebra

f) Suppose you started with 100 bacteria, but they still grew by the same growth factor. Explain how your exponential equation in (b) would change. y=1*3x**** b) is Bacteria name: Staphylococcus aureus Generation Time: 30 minutes *Note: The generation time tells you how often ...
53. ### pre-calculus

solve the equation 1. In x + In (x+12) =2 x= ? or either there is no solution 2. solve the exponential equation 9^x=6 What is the exact answer? 3. Use transformations to indentify the graph of the function. Then determine its domain, range, and horizontal asymptote. f(x)=2^-x+...
54. ### math

What is the solution of 7 + m is greater than or equal to 2 and m + 1 is less than 2? Please explain or show how you got the answer-I'm having a really hard time
55. ### Math

What is the solution of 7 + m is greater than or equal to 2 and m + 1 is less than 2? Please explain or show how you got the answer-I'm having a really hard time
56. ### Algebra

What is the solution of 7 + m is greater than or equal to 2 and m + 1 is less than 2? Please explain or show how you got the answer-I'm having a really hard time

I am stuck on a homework assignment and am having a hard time finding information on this topic. Can someone please please help!! Why is Kenneth Clark’s interpretation of the African mask ethnocentric?
58. ### algebra 1

Solve for the variable in the equation 3(-2-3x)=-9x-4. I'm having a hard time with this one. Whenever I check my work the numbers are close, but not correct.
59. ### Biology

Is there any biology websites for teens??? (NOT games! notes and quizzes to practice). The Science of Biology The Chemistry of Life Cell Structure and Function Photosynthesis & Respiration Something REALLY easy to understand(btw I'm going to the 9TH GRADE). please help (having...
60. ### algebra

I am having a hard time - please guide me to solve by the substitution method. 5m + n = 36 m -7n = 36 A big ty:)
61. ### Chemistry

I am having a really hard time setting this problem up to solve can anyone help? Hexane has a density of 0.659 g/mL. How many (mL) would a student need to pour in order to get 49.5g of hexane?
62. ### Math

Can someone please help me with this question. Thank you! The information in the table represents the temperature of a cup of hot chocolate in relations to time. Time(t) Temperature(T) 0 60 5 54 10 48 15 44 20 41 Use the exponential regression function in your calculator to ...
63. ### college algebra

I think this is an exponential equation. I can not figure out how to put the equation into the TI-84 to get the approximate form 3/5 ln(5x-1)+1 =1.4 subtract 1 from sides and divide by 3/5 lh(5x-1)=0.6667 Put in logarithm form e^0.6667=5x-1 add 1 to both sides e^0.6667=5x ...
64. ### Algebra

Can someone verify if my answers are correct? Solve. 1/x+6-1/x-6 My answer is: -12/x^2-36 Solve. 1/x+5+2=5/x+5 My answer is: -3 Subtract. Express your answer in simplest form. 13x/30-4x/15 My answer is: x/6 Can someone verify if my answers are correct? Solve. 1/x+6-1/x-6 My ...
65. ### Math: Trig

Help with vectors, please. Thanks 1) Express point in rectangular form. Give EXACT answer, if possible? (2, 4π /11) 2) Given P = (2. -3) and Q = (-3, -4). find the component form of vector PQ 3) The vector v has a magnitude of 25 inches and a direction of 32° , Express ...
66. ### Basic Algebra

I am having a hard time trying to figure out this problem, if someone could help me...I'd appreciate it: I have to solve the problem 7x-(6x+4)=4
67. ### College Algebra

1. Find the domain of the composite function f o g. f(x)= 2/x-3; g(x)= 7/x 2. Solve the following exponential equation. Exact answers only. 2^1-9x = e^2x
68. ### Math

I need to write up how to find a greatest common factor in a polynomial. I am having a hard time doing so. Could someone help me please?
69. ### college algebra

solve the following exponential equation. 7^x=8 a. x= Write in exact solution b. then with that answer move the decimal 3 points over
70. ### Exponential Word Problem

An investment pays 3.5 percent interest, compounded quarterly. a) write an equation to express the amount A, of the investment as a function of time, t, in years. The answer is A(t)=P(1.00875)^4t Ok, but my question is this: Why isn't the equation A(t)=P(1.035)^4t, if the ...
71. ### Sociology

Hi, I'm writing a paper for my social problems class and am having a hard time coming up with advantages and disadvantages of increasing the number of street-patrolling police officers as a means to combat the high prevalence of violent crime within the major cities of the ...
72. ### math

When someone says write an exponential equation, what kind of format is that? I know a linear equation is y = mx + b, but what is an exponential equation?
73. ### Parabolas in standard form!

Hello, I am having the worst time trying to solve these parabolas and putting them into x-h = a(y-k)^2 form. :( There are two problems that i keep doing something wrong. could someone solve them so I can have a set up for the rest of my problems? :) 3y^2+6y+108x-969=0 and x^2+...
74. ### Algebra

Write the exponential form of the equation and solve the equation for x Let x = 1og_2 1/8
75. ### Algebra

Let x = log_2 1/8 Write the exponential form of the equation and solve the equation for x.
76. ### Math

Could someone please help me to solve this equation using exact values. 9^(2x)+4(9^x)=21 and also check for extraneous roots. thank you
77. ### Applied Chemistry - HELP!

Make a poster of types of product warning labels. I'm having a hard time looking up types of product warning labels. Please help and please do not just give me Google link to product label for me to look up by myself which I did but I .... having a hard time.
78. ### Math

What value of x makes this equation true? 1/3(9x-2)+1=2(4x+1) a) x=-3 b)x=-1/3 c)x=1/3 d)x=3 Please explain. Having a hard time figuring out.
79. ### algebra

log9 1= _______ (fill in the blank) Let x=log2 1/32 . Write the exponential form of the equation and solve the equation for x.

Express the fractions 1/2, 3/16, and 7/8 with an LCD. A. 1/4, 3/4, 7/4 B. 1/32, 3/32, 7/32 C. 4/8, 6/8, 14/8 D. 8/16, 3/16, 14/16 I think its b, but im really bad at math. can someone please help me out? I have to finish this by 12:15 so I can be on time to volunteer at the ...
81. ### Math C30

Does anyone know a simple way to solve identity problems? Is there a good wedsite I could learn from? I am having a really hard time with them because of the many steps involved in the way that I have been shown. (FOIL, common denominators, etc.)
82. ### math

can someone show me how to do these problems? Please? I really don't know how to answer them. I would really appreciate it... Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d 10. 3x - y = 10 for y
83. ### math

can someone show me how to do these problems? Please? I really don't know how to answer them. I would really appreciate it... Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d 10. 3x - y = 10 for y
84. ### someone please chek my math!

a. An ellipse is formed by stretching the graph of x^2+ y^2=1 horizontally by a factor of 3 and vertically by a factor of 4. Determine the equation of the ellipse in standard form x^2/a^2+y^2/b^2=1 (x/3) ^2+ (y/4) ^2=1 x^2/9 + y^2/16 =1 so the equation is: x^2/9 + y^2/16 =1 b...
85. ### Algebra

Solve each exponential equation. Give the exact value for x. I work them out and they are wrong what am I doing that is not right. 8^X=1/64 -2 3^x=6 In(6) In(3)or 1.63 8^x=6.5 0.624over In2 0r 0.900 3^x=4 2In (2) 0ver In3 0r 1.26
86. ### college algebra

solve the following exponential equation. (e^x-e^-x)/2=6 what is the exact answer? x=? what is the answer approx to 3 decimal places? x=?
87. ### college alg

solve the following exponential equation. (e^x-e^-x)/2=6 what is the exact answer? x=? what is the answer approx to 3 decimal places? x=?
88. ### geometry

Having a very hard time. Can someone please help. Im trying to find how many sides a polygon has if, the difference of the interior and exterior angles is 100 degrees?
89. ### algebra 2

Would some one look at these problems and see if I got them right Thanks Just let me if they are wrong so I can go back over them 1.Write in simplest form 48/56 A. 6/7 2.Multiply 8x^3/5 *10/x^3 A. 16/x^4 3.Divide 4/x^7 / 12/x^3 A. 1/3x^2 4. divide x^2-36y^2/5x^2+30y / (x^26xy...
90. ### MATH/ Check?

Correct. what is pi The definition or the number? The number is 3.14159 but that isn't an exact number. pi doesn't have an exact number except by definition and that is in words and not a number. The ellipse in question above( is translated 4 units to the right and 2 units ...
91. ### managerial economics

I need H-E-L-P!!!!!!!!!!!. I am really having a hard time with this class.
92. ### Physics

The Circuit contains a resistor R1, Resistor with R2 and an inductance L in series with a battery of emf ε0=V0 . R2 having a switch in parallel, the switch S is initially closed. At t = 0, the switch S is opened, so that an additional very large resistance R2 (with R2>...
93. ### calculus

solve the following exponential equation. 5^x=4 a. what is the exact answer? **I think it is In4/In5 b. what is the answer approximated to 3 decimal places.
94. ### Math

What is an equation of the line having the given slope and containing the given point. Please express your answer in the form y=b or y=mx+b
95. ### Maths

Solve for x (exact solutions): sin x - sin 3x + sin 5x = 0 ¦Ð ¡Ü x ¡Ü ¦Ð ---------------- Thankyou. I tried find the solutions on my graphics calculator but however, the question is to find the EXACT solution(s) for the equation so I guess it will be in a fractional ...
96. ### choice

Explain how healthy behaviors and choices can positively effect your health status, and how unhealthy behaviors and choices will negatively affect your health status. Can someone please help me with this question, it doesn't seem hard but I am having a hard time figuring out ...
97. ### Algebra

I am having such a hard time in this class. Hopefully someone here can help me to understand some of what they are trying to teach me. I have a problem here and have been working on it for about an hour now and I can not figure it out. I need to come up with an answer but I ...
98. ### calculus

solve the following exponential equation. exact answers only 1-8x 3x ¨i =e *I know that I did not post this correctly but I do not know how to put the 1-8x above the pie symbol and 3x above the e.
99. ### algebra

Solving exponential and logarithmic equation. An example of an exponential equation is: Solve for x: 5^x=125
100. ### Science

I am really having a hard time completing this question.. Punctuated equilibrium occurs over a relatively ______ period of time, usually as a result of a ________.