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September 2, 2014

Search: Precalculus-helpp

Number of results: 1,005

PreCalculus
Write an equation to construct a function whose graph is like that of y=x^2, except for pieces removed for values between 3 and 5, and 8 and 9. I am not sure how to approach this question. Would I make a piece wise function? PLease helpp brains about to explode!
July 24, 2011 by Alice

urgent alg 1
add or subtract 2 2 (2t -8t)+ (8t + 9t) second question 3 2 3 (t +8t ) + (-3t ) please helpp its urgent i have the answer butt im not suree pleasee helpp
February 9, 2011 by kimberly

Precalculus
I'm interested in teaching myself Precalculus and would like to find a good book with lesson plans and assignments. Any ideas?
January 8, 2010 by Sheryl

Precalculus-helpp
Verify if my answers are correct. 1. The function y=x^3 has undergone the following sets of transformations. If y=x^3 passes through the points (1,1), (3,27) and (4,64), list the coordinates of these transformed points on each new curve. a) reflected in the y-axis, ...
December 11, 2011 by Melinda

physics need urgent helpp
i have tried everything, please helpp A snowmobile, with a mass of 530 kg, applied a force of 410 N backwards on the snow. What force is responsible for the snowmobile’s resulting forward motion? (Hint: Think action–reaction force pairs.) If the force of friction on the ...
October 28, 2013 by iyzi

math helpp please!!!
2Y-1 p-1 ----- - ---- 2y+5 p+3
September 21, 2007 by Amy

Precalculus Test
I have a precalculus test coming up and I'm not really understanding how to do everything. Please help. 1. Find the angle betweem 0 and 2pi which is coterminal to the angle -(7pi)/5. Now convert the angle you just found to degrees.
April 8, 2013 by marie darling

math
definition of area ??? helpp :/
February 2, 2012 by s

precalculus
Precalculus-------Give an example of three functions f,g,h none of which is a constant function such that? fog=foh but g is not equal to h. I tried with many functions but not getting like f=x g=1+x then h=?or any other example so that we get fog=foh
September 23, 2012 by Fatima

math!
how do yuo do lcm i know i did it in like 1st grade but i need helpp!!
December 10, 2007 by bailey

9th grade
find the unit rate 3 tablespoons for 1.5 serving how do u do it??? helpp thanks
November 19, 2008 by kelly

geo HELP!!
what are examples of formal economic activities? helpp plz and thanku :)
February 26, 2009 by beecca

algebra
evaluate the expression n + (-5) for each value of n. n=312 i dont know how to do this..please helpp..
August 31, 2010 by paloma

Algebra2
Helpp? Graphs of functions !! I need to determine if these are odd or even? 1. f(x)=x^5-x 2. f(x)=5 3.f(x)=x^4+2x^3
August 29, 2012 by Unknown

chemistry... HELPP
What is the cell potential for the reaction Mg(s) + Fe^2+(aq) -----> Mg^2+(aq) + Fe (s) at 63 degrees celsius when [Fe^2+]= 3.30 M and [Mg^2+]= 0.110 M
November 3, 2012 by Angie

simple easy math question PLEASEEE HELPP!!!
is this true? log^2 x = (logx)^2
January 6, 2011 by Sabrina

Biology
Sponge bob notices that his pal Gary is suffering form slimotosis , which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr.Kelp will...
September 5, 2011 by Aja

Math
Find all x, -4pi < x < 6pi, such that [cos(x/3)]^4 + [sin(x/3)]^4 = 1 PLEASEEE HELPP! :(
May 27, 2008 by Megan

Literature
I still havn't figured out where the exposition of The Miracle Worker is. Please helpp! Thanks -MC
January 9, 2010 by mysterychicken

pre-algebra-mathhhh
two fractions equivalent to the given factor 18/21 and the other 3/27:) please helpp
January 26, 2011 by PLEASE HELP :)

SCIENCE. I NEED HELPP
How do trees change the environment, making it less favorable for grass to grow?
February 8, 2012 by A Girl.

trig. identities
sin2x+sin2y=2sin(x+y)cos(x-y) Please helpp mee!! thank you sooo much really!!
November 9, 2010 by Sabrina

MATH Is there no one who can helpp???????
how do i simplify -9/2x^-3/2??? please help i dun need a answer necessary just an explanation is fine :)
February 15, 2012 by Anonymous

science
the making of polymers is an example of the category of work done by chemists calledd ________ fill in the answerr. please helpp!
April 22, 2008 by christina

Science
Cannabis tricks nerves in the brain into sending distorted messages. Which of the drugs effects on the body could this explain??? Helpp!
October 22, 2010 by Anna

MATH
HELP? Exam in 20 mins -dont' have any idea how to do this question; please helpp.. anyone! PLEAZE A.S.A.P. minimize p= 15x +18y subject to x+2y<=20 3x + 2y>= 36 x>=0 y>=0
October 22, 2012 by GARNEL

I HAVE A MATH TEST TOMORROW HELPPP PLEASE!
im not sure how to find the first four terms of each arithmetic sequence tn=4+(n-1)(3) helpp me pleasee!
May 27, 2008 by Mandy

I HAVE A MATH TEST TOMORROW HELPPP PLEASE!
im not sure how to find the first four terms of each arithmetic sequence tn=4+(n-1)(3) helpp me pleasee!
May 27, 2008 by Mandy

algebra
Find the x-intercept and the y-intercept of the graph of: 4x-2y=8 a. (2, -4) b. -4;2 c. (4, -2) d. 2;-4 I'm stuck between a and d. anyone helpp?
November 30, 2010 by sonya

algebra 2
Find the x-intercept and the y-intercept of the graph of: 4x-2y=8 a. (2, -4) b. -4;2 c. (4, -2) d. 2;-4 I'm stuck between a and d. anyone helpp?
November 30, 2010 by sonya

Sciencee
Whoopss! Okayy, So does a change in direction change acceleration? I think it does, But i'm not suree. Helpp! :))
June 1, 2009 by Michelle<3

Algebra helpp i am going to fail
The length of a side of a square is 3x+2 . What is the area of this square in terms of x ?
February 28, 2012 by Cassie

Stupid Algebra
13a squared times b(-4a cubed b cubed c) and no, I am not making this up. PLEASE HELPP POOPOO
January 13, 2011 by Poopoo

math log PLEAseee helpp pretty please!!!
determine the point of intersection y=logbase 10(x-2) and y=1-logbase 10(x+1)
January 20, 2011 by Sabrina

Math
Math - Tyler, Wednesday, May 14, 2014 at 2:51pm Solve (z +2)^ 4/3 = 4 where z is a real number please helpp
May 14, 2014 by Anonymous

vocabulary
i need to put 20 vocabulary words in a story helpp!!
October 6, 2011 by love

math
37 is what percent of 144, to the nearest percent? please helpp
February 5, 2013 by Oscar

urgenttttttttttttttttt please helpp??
how did the involvement of the u.s in the politics of southeast asia,korea, and vietnam impact the u.s political climate of the 1950's? any help is appriciated history is my worst subject
March 7, 2010 by sam

sara
which of the following is an example of capital? A. money in a Swiss bank account. B. a bulldozer C. a CD by Metallica D. a Dracula costume for Halloween not sure which one to choose? helpp
December 10, 2010 by social studies

chemistry... HELPP
Place charges and electron dots as needed on each ion. As Se Br K Ca Ga. I answered: As3+ Se2- Br- K+ Ca2+ Ga2+ but i got it wrong so please helppp!!!
October 7, 2012 by joane

math,,,,helpp
describe strategies you have found for deciding whether a fraction is between 0 ans 1/2 or between 1/2 and 1???????????????????
September 10, 2013 by rosa

Please Help!!!!!!
Decide whether the following problem can be solved using precalculus, or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, explain your reasoning and use a graphical or numerical approach to ...
January 9, 2012 by Anonymous

physics please helpp
Find the minimum diameter of a 51.5-m-long nylon string that will stretch no more than 1.01 cm when a load of 68.9 kg is suspended from its lower end. Assume that Ynylon = 3.51·108 N/m2
October 25, 2011 by melisa

Probability Please helpp
For each integer n ≥ 4, let an denote the base-n number 0:133n. The product a4a5 : : : a99 can be expressed as m/n! where m and n are positive integers and n is as small as possible. What is the value of m?
November 24, 2011 by maria

Probability Pþease helpp
Select numbers a and b between 0 and 1 independently and at random, and let c be their sum. Let A, B, and C be the results when a, b, and c, respectively, are rounded to the nearest integer. What is the probability that A + B = C?
November 24, 2011 by maria

Science chemistry
It takes 1 hour and 17 min. for a 1.000gsample of a certain isotope to decay to 0.121g. What is the half-life of this isotope? plssss helpp
September 24, 2012 by Shay

chemistry
It takes 1 hour and 17 min. for a 1.000g sample of a certain isotope to decay to 0.121g. What is the half-life of this isotope? plssss helpp
September 24, 2012 by Shay

social studies
Between 1850 and 1950 the productivity of the average American farm worker: A. declined B. remained about the same C. doubled D. quadrupled I'm unsure which choice to choose? helpp
December 10, 2010 by sara

calculus
limit as x approaches 2 where f(x)=5x-5 Find a δ such that | f (x) - 5 | < 0.01 if | x - 2 | < δ. (Give your answer correct to 4 decimal places.) Need helpp!!! I have no idea how to do it. and nobody that can help!!
January 30, 2011 by kelly

Physics helpp
Newtons 2nd law The force of earths gravity is about 10 N downward. Whats the acceleration of a 15kg backpack if lifted with a 15N force??
May 14, 2013 by Kate

english
In the memoirs, “Barrio Boy” and “No Gumption”, how are these two memoirs similar? How are they different? In what ways are the authors’ choices and depictions related to the subject matter of their stories? pleeeaaaasssseee helpp.
December 13, 2010 by Vanna

MATH HELPP!!
FRANCIS PACKED A BAG FOR HER VACATION.SHE TOOK 4 T SHIRTS,2 SWEATERS, 3 PAIRS OF JEANS, HOW MANY COMBINATIONS OF 3 COULD SHE MAKE USING EACH ITEM ONCE.MAKE A TREE DIAGRAM ---->>> THNX!!
March 10, 2011 by alexis

Help!!!
Caring,Responsibility,Effort, Respect,Honesty,and Choices..............What are they? Please Helpp!!!!!!!!!!! Could it be character traits? Political slogans? Abstract nouns? =) Words we can expect to be bombarded with every day from now until Nov 7th??
September 6, 2006 by passion12

U.S.History
In the Declaration of Independence what reference is there to Native Americans? What attitude toward Native Americans does this express? pleease helpp!!!
January 25, 2009 by y912f

Math
For math, I have to find the area of a hexagon when all I know is that each side equals x. I also know that I have to use 3 thereoms. HELPP!
April 26, 2009 by Missmoo

math~ helpp pplease
(3,5) is a point on the graph of y = f(x). Find the corresponding point on the graph of each of the following relations a) y=3f(-x + 1) + 2 what do I do with the negative sign before the x (-x)?
November 24, 2011 by Jay

physics PLEASE helpp
Find the net change in entropy when 213 g of water at 0.0°C is added to 213 g of water at 96.9°C.
January 6, 2012 by melisa

math helpp
8. Convert the scale to a unit rate. Show your work. Interpret the meaning of the unit rate.
January 16, 2013 by tesj

Math
Find sec θ and csc θ. If tan θ =3 and cos θ>0. Please helpp, i don't get identities
February 6, 2013 by Oscar

calculus--please helpp
if the line 3x-4y=0 is tangent in hte first quadrant to the curve y=x^3+k, find k. all i know is that its related to finding a derivative and i m basically completely lost....can please someone provide me some help?????
October 14, 2011 by krishna

please help!
How do you believe computer mediated communications may affect the future of human communications? PLEASE HELPP !!!!
January 27, 2013 by Kate

please help!
How do you believe computer mediated communications may affect the future of human communications? PLEASE HELPP !!!!
January 27, 2013 by Kate

CHEMISTRY HELPP!!!!
which of the following is not highly ionic? BeO, BaO, CaO, SrO, MgO BeO has the least ionic character of those listed.
April 24, 2007 by Robert R.

mathh helpp
kathy will babysit !@#$%^& ctas. she charges $75 for the week for supplies and $8 for each hour,h,she works. write an expression for the total amount kathy charges. -->> THNX!!!
March 6, 2011 by alexis

social studies 9
make five observations about life in the backwoods of upper Canada. what jobs did pioneers do for themselves that we would never think of doing for ourselves today? PLLEZZZ HELPP CAN YOU ANSWER IT I DONT NO WAT TO WRITE FOR THIS QUESTION
December 30, 2011 by amy

PreCalculus
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 9 7 1 4 6 2 0
December 1, 2009 by Joe

precalculus
3.6 ln 29
July 16, 2011 by Denise

Precalculus
ln x -4 In 3 =ln (1/5 x)
December 11, 2012 by Sarah

chemistry
The concentration of NaOH in a solution is 7.00 10-6 M. What is the [H3O+] in the solution? _______________M What is the [OH-] in the solution? __________M What is the pH of the solution? What is the pOH of the solution? HELPP?? i don't understand any of this...
December 22, 2010 by jim

ALGEBRA...[HELPP!!]
Arianna kicks a soccer ball off the ground and in the air with an initial velocity of 42 feet per second. Approximately what maximum height does the soccer ball reach?
September 16, 2010 by james

precalculus
for f(x)= (3-5x)^1/2, find f(x+h)-f(x)/h
August 1, 2010 by Ria

PRECALCULUS
factor x^3 - 2x^2 + x - 2
April 27, 2011 by YOSHINATOR

Precalculus
Solve 5x^3 – 6x^2 – 4x – 8 = 0
October 18, 2011 by R

Precalculus
Solve for a. a/a+5 - 2 = 3a/a+5
August 29, 2013 by B

precalculus II
Solve: (x-2)5^x = 5^(x+2)
February 4, 2014 by GAGAN

precalculus II
Solve: (x-2)5^x = 5^(x+2)
February 4, 2014 by GAGAN

precalculus
solve: 5 ^(x+2) - 5^(x+1) = 5
February 15, 2014 by mann

Debating
i reallyy need helpp and sites with information on this question and im on the negtive side so im finding it pretty hard to find information on the question. Modern media is more manipulative than informative? plesee can anyone help.
October 18, 2008 by hays

Chemistry- helpp!
The equation for synthesis of the poisonous gas COCl2 is CO(g) + Cl2(g)COCl2 If 43.2 kJ of energy is evolved when 39.5 g of COCl2 is synthesized, what is the molar enthalpy for this synthesis? THANK YOU!
November 2, 2010 by Melissa

HELPP !!
Copper(I) ions in aqueous solution react with NH3 according to Cu^+ + 2NH3 --> Cu(NH3)2^+ Kf=6.3x10^10 Calculate the solubility (in g/L) of CuBr (Ksp=6.3x10^-9) in 0.81 M NH3.
May 10, 2012 by HELPP !

physics please helpp
A 1.67-kg block of aluminum at 21.7°C is to be melted and reshaped. How much heat must flow into the block in order to melt it? use the following values: For copper: c_copper=0.386 kJ/kg.K T_fusion=1359 K L_fusion=205 kg/K
December 11, 2011 by maria

chemistry
The reversible reaction n2(g) + 3h2(g)<-> produces ammonia, which is a fertilizer. At quilibrium, a 1-L flask contains 0.15 mol H2, 0.25 mol N2, and 0.10 mol NH3. Calculate K eq for a reverse reaction? Please HELPP!
March 1, 2010 by anonymous

Precalculus
solve the equations for x a) e^2x - e^x - 30 = 0 b)1-3/n^x = 5
July 5, 2010 by Abraham

math- precalculus
how do i solve these? 9^(-x)=1/3 2^(2x)+ 2^(x) -12 = 0 (3/5)^x = 7 ^ (1-x)
December 1, 2008 by mia

precalculus
solve for x: logx (6+4x-x2) = 2
May 8, 2009 by Kathy

precalculus
the vertex of y^2 - 8y + 24 = x is... (9,3) (24,0) (8,4) (4,8) or none of these
December 6, 2009 by JB

Precalculus
State the domain of f(x) = x / x^2+4x+1
February 2, 2010 by jh

Precalculus
if f(x)=int(2x) find f(1.2)
February 22, 2010 by Arielt

Precalculus
If c= 16 and B= 67 degrees, find a.
August 17, 2010 by Danielle

precalculus
If A= 29 degrees and a= 4.6, find c.
August 17, 2010 by maria

precalculus
what is 15x^3-22x^2+8x
October 6, 2010 by ariyonia

Precalculus
2sin^2x+3cosx=3
December 8, 2010 by Megan

precalculus
x^5-2x^4+x^2-7x+1 ----------------- x+1 do synthetic division
December 14, 2010 by g

Precalculus
cos2x=cos(x+x)=
January 10, 2011 by Lisa

precalculus
How many degrees are there in 2 radians?
January 21, 2011 by ken

Precalculus
Given f(x)=x^2-1 and g(x)=1/(x-1), the composition f(g(x)) is... a. [(1/(x-1))^2]-1 b. (1/(x-1))-1 c. 1/((x^2)-2) d. 1/(x^2)
August 5, 2011 by Kathy

Precalculus
Solve 5^(2-x) = 1/125 for x.
January 28, 2012 by Jake

Precalculus
find roots of w^(4)+2^(3)+3^(2)+4w-52=0
February 20, 2012 by Sam

Precalculus
Sin^2x-1=-cos^2x
March 24, 2012 by Britney

precalculus
121y^2-196=0
February 25, 2013 by Shelia

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