# Pre- Calculus

21,911 results, page 31-
## Pre-Calc

How would you go about finding all the solutions of the equation. I just don't know where to start. 2cos2theta-root3=0 -
## Pre Algebre-please help!

If there is a cylinder that is 3cm. tall and has a radius of 7.5cm. what is the surface area? Please help! Thanks! -
## Pre-Algebra

Find 3 consecutive positive integers such that the product of the first and third, minus the second, is 1 more than 5 times the third. -
## Math (pre-celc 12)

Find x: 2(5)^x=3^(x+1) I'm not sure what to do with the 2. I think I need to write the equation as log5^2x=log3^(x+1), but I don't know. Thanks -
## Pre-Cal

1) describe the relationship between the graphs of f and g. My answer was g is a reflection of f about the x axis but this is wrong. -
## Pre-Calc

What is the standard form of the equation of the parabola that has a vertex at (4, 3) and passes through the point (-4, -2)? Is it f(x) = -5/64(x - 4)^2 + 3? -
## pre cal 2

verify the identity tanx times cotx/cosx=secx -
## Pre Calc

x^2+y^2=625 Find an equation of the line that is tangent to the circle at this point. -
## Pre calc

Solve the given equation cos(θ) − sin(θ) = 1 I got the answer to be 3pie/2 and 0 but its wrong can someone help Thank you -
## Pre cal

determine the function f whose graph is given the vertex is (3,-13) and the y intercept is -4 how whould i work this out -
## Pre Algebra

I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years -
## Pre Algebra

I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years -
## pre-algrebra

needing to solve word problems with linear equatios, if there something to help work into them? -
## Pre-Calc

I am stuck solving this problem, any help please..Many thanks find all numbers x that satisfy the given equation ln(2x) ------- =2 ln(3x) -
## pre-calc

cosx= -8/17, 180<x<270 find sin x/2= cos x/2= tan x/2= -
## Math, Pre Calc

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:) -
## pre cal

Find f of g of h and state the exact domain. f(x) = sqrt x g(x)= e^x - 13e^x/2 + 42 h(x) = 2x I need help on this one bad! Please help! -
## pre cal 2

find the exact solutions in the interval [0,2pi), sin4x=-2sin2x -
## pre cal

how do you determine the the quadratic function if the problem gives you a graph with the line has points of (-3,5) and (0,-4)? -
## pre-cal **need help for test in the morning

Find zeros: f(x)=12x^(3)-107x^(2)-15x+24 -
## AP HISTORY

What was the least common and least sucessful form of slave resistance pre civi war? -
## Pre calc

Find the Domain of the function: f(x)=the square root of the entire fraction- x^2+6x-16 over x^2-2x-15 -
## Math Pre-Algebra

help!! does anyone know how to write an expression to represent the number of minutes in x hours -
## Pre Algebra

A baker can prepare 2 1/2 dozen cupcakes in 1/4 hour. what is the unit rate? -
## Pre Algebra

Please help- I need to write a rule for each function. I have watched all the video's but this chart does not seem to have a pattern x y -4 4 0 6 2 7 4 8 -
## pre-cal

Find the zeros, if any exist. Round your answers to two decimal places. -
## pre-algebra

Solve the inequality- -7z<21 See my answers to Jill and Sarah. I hope this helps. Thanks for asking. -
## Pre-Algebra

How do I find a linear relationship in a table? I really need help on this. And this is at a 7th grade level... -
## Pre Calc

f(x,y)=ln(5x^2-7y^3) Find ALL 2nd derivatives. fxx,fxy,fyx,fyy -
## pre cal

If (a, b) is a point on the unit circle that corresponds to the angle t, then tan(t) equals: -
## pre-algebra

how do you rewrite rational numbers -0.56, -2.3,2.11, I do know where to start I'm a mom trying to help my son with his homework -
## pre cal

how many real number solutions are ther to the equation 10x^2+31x=-24 -
## pre calcalus

angle measure to degree form 401degrees 39minutes 24seconds -
## Pre-algebra

State a definition of a polynomial in the x. Give an example of a monomial, a binomial and a trinomial. Thank you. -
## Pre-Calc

Can someone explain how to graph polar coordinates on a TI-84 Plus calculator-I can't find the directions anywhere Thank you -
## pre-calc graphing

Sketch the graph of f(x)= [ (1/2) tanx + 1 ] as x varies from pie/2 to 3pie/2 -
## Pre-Calc

Find f(a) where a is in the domain of f. f(x) = -1/x^2 I got a few steps into it and failed :( The equation she gave me to plug it into is (f(a+h)-f(a))/h -
## pre-cal

g(x)=-4/x; x=-5, x=-5+h Determine the average rate of change of the function between the given values of the variable. -
## Pre-Calc/Trig...

I have one way, but cant think of another? Show two ways of finding y if y = log4 64. Explain your thinking. 4^x=64 x=3 -
## Math

And which situation what do you need a percent less someone to solve a problem? 7th Grade Pre Algebra -
## pre cal

For a normal curve, what percentage of values falls beyond two standard deviations from the mean? -
## Pre-Calc

Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x -
## Pre calc

Perform the indicated operation and simplify the result Tanx(cotx-cscx) -
## Pre-Calc/Math

Given cos x=2/3 and 3pi/2<x<2pi, find the exact value of cos2x? -
## pre-algebra

Given the linear equation y=-5x-2. Find the y-coordinates of the points (-1), (-2), and (1). Please show all of your work. -
## pre cal

How lnog will it take for an investment of $1000 to double in value if it earns 5% coumpounded weekly? -
## pre-algebra

show that the number is rational by writing it as a quotient of two integers. 1. 24 2. 5 7/18 3. 1 4. 0.3 im not so sure what your suppose to do -
## Pre-Calc

Find the zeros of the function algebraically. Show all work. f(x)=x^2-8x+15 ---------------- 10x -
## pre-algerbra

what is the simplest form 8/22 16/24,9/21/,20h/24h using product of prime factors. -
## Calculus - Urgent!!!

In case this looks familiar, yes, it is a repost. I really need help. Find the anti-derivitive of f(x)= x^3(x-2)^2. Multiple choice gives me the options: A: 1/6 x^6 - 4/5 X^5 + x^4 + C B: 1/6 x^6 - 4/5 X^5 + 1/4 x^4 + C C: x^6 - X^5 + x^4 + C D: x^5 - 4x^4 -
## calculus

i'm having trouble with a problem in my calc class...it isn't really calculus yet since we're still in the review section but it goes somethign like this: ( don't have it in front of me) a rational function is defined by: R/(x-K) where R and K are -
## Calculus

At a certain factory, output Q is related to inputs u and v by the equation Q= 17u^2+(16u+17v)/(u+v)^2 If the current levels of input are u= 10 and v = 25, use calculus to estimate the change in input v that should be made to offset a decrease of .7 unit -
## Calcuslus-Calculus-Calculus

A rocket arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at that time.the rocket is obserrvved from 2000 m away from the launch pad.at. What rate is the distance of the roocket from observer -
## physics

Determine the acceleration and normal force of system below. Assume no friction, the mass equal to 10.0 kg and the angle equal to 60.0 degrees. Assume gravity equals 9.8 m/s/s. The picture looks like a right triangle with a box sliding down it. I am a 9th -
## calculus

Use Fundemental Theorem of Calculus part 1 to find the derivatives of the following: (i) F(x)=Integral ( top3, bottom x) e^-t^2 dt (ii) G(theta)=Integral ( top cos theta, bottom sin theta) 1/1-x^2 dx -
## Pre-Calculus

1.) Which of the following polar equations is equivalent to the parametric equations below? x=t^2 y=2t A.) r=4cot(theta)csc(theta) B.) r=4tan(theta)sec(theta) C.) r=tan(theta)sec(theta)/4 D.) r=16cot(theta)csc(theta) 2.) Which polar equation is equivalent -
## How to get quick responses to your math questions

Math is a wide subject, ranging from K to 11, college and university. Then there is algebra, trigonometry, geometry, arithmetic, calculus, number theory, ... etc. Not all teachers answer all math questions (many do). If you would give a little more detail -
## Pre Calculus

Am I correct? Please show me how if I am wrong 1.How many 6 digit numbers can be made using each of the digits {8,8,9,5,5,6} exactly once? 6!=702 2.How many more arrangements are there from all of the letters of the word MARMALADE than there are from all -
## Physics

A woman driving her car approaches an intersection and begins to accelerate just as the traffic light turns green. Her velocity is the function of time described by the equation: v(t)=2t^2-8t+10 (A) Use calculus to find her instantaneous acceleration at -
## calculus

Let F(x)= the integral from 0 to 2x of tan(t^2) dt. Use your calculator to find F″(1) By applying the fundamental theorem of calculus, I got the derivative of the integral (F'(x)) to be 2tan(2x^2) When I take the derivative to find F''(x) I get 8x -
## calculus

Find the length of the curve given by the equation y= intergral from -pi to x of sqrt(cos(t)) dt for x between -pi and pi. I think I know to do this- at least part of it. I am using the fundamental theorem of calculus and the arc length formula, but I -
## math

65 men 75 women are enfolled in calculus. There are 30 business majors, 40 biology majors, 50 computer science majors, and 20 mathematics majors. No person has a double. If a single calculus student is chosen, find the probability that that the student is -
## PRE CALCULUS

1.) The cash flow per share for the Timerland Co. was $0.18 in 1995 and $4.04 in 2003. Write a liner equation that gives the cash flow per share in terms of the year. Let t=5 represent 1995. Then predict the cash flows for the years 2008 and 2010. 5.) The -
## Pre Calc

lim x approaches 0 [1/x *((1/(sqrt(1+x))-1)] It will be easier to understand if you write it out.. How would I algebraically do this? (The answer is -1/2) Help please? -
## pre-algebra

Question 3 of 5 Select all the rational numbers from the list. A. 2 B. 8.212211222111 C. 8.333333333 D. 80 E. 25 I said C and A am I correct? -
## Pre-Calc Help!

I really need help with this question. Thanks! Find the zeros of the function algebraically. Be sure to show all work. f(x)=x^2-8x+15 --------------- 10x -
## pre cal

A number of cells decreases by 36% every 9 hours. By what percent does it change every 1 hr... 40 mins...2days -
## Math Pre Cal

Find the values of the trigonometric functions of è from the information given. cot è = 1/2 , sin è < 0 -
## pre-calculas

find the LCD and solve: x+3 12x + 4 1 - 2x ____ + _________ = _______ 3-x x squared - 9 x + 3 -
## Pre alegabra

There are 14 nickels, 10 dimes, 6 quarters, and 22 pennies, what's the probability I will pick a dime from the jar? -
## pre-cal

Find the solution of the exponential equation, correct to four decimal places. 4^(2x − 1) = 6 -
## Pre Calc

Complete the square to find the center and the radius of the circle: 3x^2+3y^2-12x+24y+15=0 -
## pre.al.

find the measure of an angle if the sum of the measures of its complement and supplement is 162 degrees. -
## pre cal 2

use the given values to evalute all six trigonometric functions secx=3/2, cscx=-3square root5/5 -
## pre-cal

Find the solution of the exponential equation, correct to four decimal places. 4^(2x − 1) = 6 -
## Math pizzaz pre algraba

What magic tricj dies Mr.Utterbunk perform ever evening -
## pre-calc

Solve the system of equations using matrices. Use Gaussian elimination with back- substitution. x+y+z = -5 x-y+3z = -1 4x+y+z = -2 -
## pre-algebra 1

Write 6.92 x 10 -8 in standard notation. A. 0.000000692 B. 0.0000000692 C. 0.0000000069 D. 0.00000692 Please help, i have no clue!!! -
## Math pre algebra 0096

multiplying by 1 to find an expression equivalent to (10/13) with a denominator of 104y Thank you for your help. -
## Pre-Calc/Math

Prove identity: (sec x/csc x) + (sin x/cos x)=(2/cot x) -
## Pre Cal

what does it mean when it says describe the end behavior of f and whats that for f(x)=(x^2+x+3)/(x-1) and f(x)= 3*2^x, please explain everything, and if you use --> tell me what that means, cuz i have no clue -
## Pre-calc

Determine the ordered pair that lies on the unit circle corresponding to csc(5π/6). Thank you. -
## Pre -algebra

the scale of a map is 2cm:15km find the actual distance for 2.1cm -
## Pre- algebra Math 6 th grade Gifted

what is the sum of the numbers 1 to 1000? ans:500500 -
## pre calc

-1less or equal to x less then 4, state raltion represented by y=[2x]+1 by listing ordered pairs -
## Pre-Algebra

Use the formula d = rt. Find t for r = 46.6 m/h and d = 456.68 m. Show your work. This question is not multiple choice -
## Pre-Calc

x<log(lower number=6)144 I know you would do log144/log6, but I'm not sure if the sign is switched or not. -
## Pre calc

Use half angle indentites to find an exact value without a calculator Cos(11π/12) -
## pre calc

Find all solutions of the equation tan^5 x - 9tan x =0. The answer is Ak\pi where k is any integer, the constant A= ??. -
## Pre alegreba 7th grade

This website is so helpful!!!! Thanks to everyone you posts lessons and answers! I will be posting both soon! -
## Pre-Algebra

Find the lateral area of a square pyramid with the base edge as 8 m and the height as 22 m. -
## Pre-Cal

Identify the following features of the graph of g(x) = (3/2)^x+2 A) Asymptotes B) Intercepts C) Increasing or decreasing I really do not know how to find these -
## CRYSTAL VIOLET HYDROXYLATION REACTION

does anyone have the spartan pre-lab images/info they'd like to share? :) -
## Physics

a 475 kg pre-stressed concrete beam is to be raised 10.0 m in 24.0 s. how many kw of power is needed to for the job -
## Pre-Algebra

I don't understand this equation: Given f(x)=4(x)+1 find the value. f(3) It's fairly basic, you just plug 3 in for x, so it would be 4(3)+1 and then you'd just simplify it :) -
## mass media

what are some groups and individuals who have had and not had access to information because of its control pre-book manuscripts? -
## Pre Cal.

If cscè= -5/4 and 180degree < è < 270 degree, find tanè. (-3, -4) r=5 tan=y/x=-4/-3=4/3 Is this correct? -
## pre calc

find the exact solution algebraically and check it by substituting into the orginal equation. 1. 36(1/3)^x/5=4 2. 32(1/4)^x/3=2 -
## pre-cal

Find the terminal point determined by t.Please enter answer in ordered pair -
## Math - Pre Algebra

$1280 at 13% compound annually for 3 years Use the formula: B= p(1+r)n Please help me I need the answer for tommorow