Sunday

February 26, 2017
Number of results: 20,220

**Calculus--Steve plz?**

Find the inverse Laplace transform of the function: F(s)=1/(s(s+1)(s+2)) ...A special thank you to Steve who has already been a tremendous help! Thank you so much =)

*July 29, 2013 by Elyse*

**need help calculus plz plz-sir steve**

if y=3e^(2x)cos(2x-3) verify that d^2y/dx^2-4dy/dx+8y=0 plz help me i tried all i could but it become too complicated for me here set u=3e^(2x) v=cos(2x-3) du/dx=6e^(2x) i used chain rule dv/dx=-2sin(2x-3) dy/dx=-3e^(2x)sin(2x-3)+cos(2x-3)6e^(2x) d^2y/dx^2 now i did lndy/dx=-...

*November 13, 2016 by practising and need help*

**algebra sir reiny sir steve&bob damon help**

plz help me sir steve 3x^2=x^x find x step plz too hard

*January 9, 2017 by .....*

**Calculus-PLZ HELP STEVE!**

Find the inverse Laplace transform of the following function: F(s)=(9+s)/(4-s^2)

*July 28, 2013 by Elyse*

**calculus-help me sir~steve**

show that 2f''(t)-f'(t)-f(t)=sin(t)-cos(t) where f(0)=f'(0) has the solution (-2/5)e^(-t/2)-(1/5)sin(t)+(2/5)cos(t) using laplace tranformation plz plz plz show step by step

*May 26, 2016 by dam*

**calculus sir damon help me or steve**

integrate dx/root(coshx-1) plz show step

*May 10, 2016 by dam*

**maths sir steve plz reiny plz sir damon plz help**

express 1.1 in surd form pllllllz step

*November 12, 2016 by Anonymous*

**maths sir steve plz reiny plz sir damon plz help**

express 1.1 in surd form pllllllz

*November 12, 2016 by Anonymous*

**maths**

sir steve plz am a little confuse (x-y)³=A(x+y) prove that (2x+y)dy/dx=x+2y if y is a function of x and x=e^t/(e^t+1) show that dy/dt=x(1-x)dy/dx plz explain to me very well sir damon answered that but i still dont get it If u want me to show my work i will do it sir plz plz ...

*November 12, 2016 by practising and need help*

**calculus-again frustrated-looking for steve asap**

if sinh(y)=[4sinh(x)-3)/(4+3sinh(x)] show that dy/dx=5/(4+3sinh(x)] step plz i plead

*May 26, 2016 by dam*

**sequence help!!!!! plz steve,reiny,damon,bob...anyone!!!!**

find the expression in terms of n of the nth term of following squences 5,13,32,69,129,221....help plz show it work

*March 16, 2016 by emmanuel*

**sir steve sir reiny any 1 plz help me maths har**

Question. Find the greatest common divisor d of 159 and 51, and find integers x and y solving the equation 159 x + 51 y = d . Answer. d = 3. The extended Euclidean algorithm gives x = 9 and y = -28. (There are other solutions for x and y; these are not unique.) plz show step ...

*February 10, 2017 by collins*

**sir-steve or reiny or damon**

just got a little favour to ask plz do u do facebook am just asking if u don't wanna give ur full name to add as friend then is fine by me because you guyz have really added academic sucess in my carreer life plz

*October 3, 2016 by samnuel*

**help me calculus**

the parametric equation of a curve are x=cos2Øand y=1+sin2Ø find dy/dx and d^2y/dx^2 at Ø=pai/6.find the relationship between x and y sir steve help see my work dx/dØ=-2sin2Ø dy/dØ=2cos2Ø dy/dx=dy/dØ*dØ/dx dy/dx=2cos2Ø*1/-2sin2Ø dy/dx=-cot2Ø d^2y/dx^2=-2cosec^2(2...

*November 13, 2016 by practising and need help*

**plz sir reiny sir steve sir damon help sor bob**

plz help me differentiate arccosh(x/√3) i no that from inverse heyperbolic function cosh=(x±√(x²-1) but i still dont know how to that go about it

*October 31, 2016 by just need help*

**calculus help me plz too hard show step**

charge Q coulombs at time t seconds is given by the differential equation RdQ/dt+Q/C=0, where c is the capacitance in farafd and R the resistance in ohms.solve the equation for Q given that Q=Qo where t=0 plz show step plz plz plz

*December 27, 2016 by ...*

**Calculus (help Steve plz)**

1) if w = <-8, 15>, find ||w||? 2) which expression is equivalent to (sin x+1) (sin x -1)? A. Cos^2x B. -cos^2x C. Cos^2x+1 D. Cos^2x-1 E. -cos^2x-1

*November 28, 2012 by Breanna*

**math**

Stacy and Steve each have brownies of equal size,as shown. Stacy cuts her brownie into halves.Steve cuts his brownie into eighths. Which statement is true? A.Stacy has more pieces than Steve. B.Stacy has 4 pieces. C.Steve has smaller pieces than Stacy. D.Steve has fewer pieces...

*March 29, 2015 by Anonymous*

**Calculus i need help plz plz**

Integrate:Sinxcosx/a^2cos^2(x)+b^2sin^2(x))dx??? plz i need the full working too hard for me

*October 21, 2015 by Collins*

**Calculus i need help plz plz**

If y=ws^3/d^4 find the % increase in 'y' when 'w' increases by 2% and 's' decreases by 3% and 'd' increasee by 1%...... There a little error in the first question i post here it is plz i need the working and explanation

*October 18, 2015 by Collins*

**calculus too hard**

the velocity of a chemical reaction is given by dx/dx=k(a-x) where x is the amount transfered in time t,k is a constant and a is the condition at time t=0 when c=0 solve the equation and determine x in terms of t? Plz show work plz plz

*December 26, 2016 by ...*

**physics**

damon,reiny,steve,ms sue.plz get a solution 2 my question please itz urgent!!!

*August 8, 2015 by edward*

**Maths tangent help me damon or steve help**

The line y=3x+k is a tagent to curve x^2+xy+16=0 find the possible value of k? plz help me i don't no it

*December 20, 2015 by Collins*

**help me damon reiny steve bob plzz**

prove that nsini=constant plz show me solution

*September 26, 2016 by dam*

**help sir steve**

find all the value of arccosh^-1(5throot(-18)) express in form of x+jy plz show me how

*October 24, 2016 by plz*

**maths sir steve help~reiny**

sin(πcosx)-cos(πsinx)=0 then find sin2x step plz

*November 10, 2016 by Anonymous*

**Math~Polynomials**

1)6g+8k-9g+2k(1point) 3g+10k -3g+10k*** 17gk 10k-3 2)-4x+6x^2+5x(1point) 7x^3*** 6x^2+9x 6x^2-9x 6x^2+x 3)a^2+5a-3a^2(1point) 5a+2a^2 -2a^2+5a*** -3a^2+6a 5a-3a^2 4)3x^2+8x+7x(1point) 3x^2+15x*** 18x^3 3x^2+1 3x^2-x 5)Find the degree of -5w-4w^2+7w+16(1point) -5 16 14*** 3 Plz...

*May 13, 2013 by Gabby*

**math-calculus**

30/x^2-25 = 3/x-5-2/x+5 i be left with 30 = 3x^2-75-2x^2+50 i not sure what to do? i use the quadratic formula? math-calculus - Steve, Saturday, January 7, 2012 at 3:38pm First, you have to simplify properly: 30/(x^2-25) = 3/(x-5) - 2/(x+5) 30 = 3(x+5) - 2(x-5) You were ok ...

*January 7, 2012 by Shreya*

**Ela- Ms.Sue Plz!**

COuld someone help me with my homework? I need to write a thesis statement for a research paper on steve job

*March 7, 2012 by erika*

**maths help plz sir damon steve or reiny**

Find the differential equation from the function y=Ae^3x +Be^2x +Ce^x. Using the method of determinant.

*January 21, 2017 by putman/raj*

**Math**

Steve mcspoke left home on his bike traveling at 18km/hr. Steve's brother set out 2 hours later , following the same route, TRAVELING 54 per hour. How long did brother have to travel to catch up with Steve?

*September 22, 2013 by Kelly*

**arithmetic**

Barry and Steve are good friends. Barry wants to buy a new computer, but he doesn't have the money for it right now. Barry says he will pay Steve $2000.00 in five years if Steve gives him $1600.00 for the computer today. Steve figures that there is an interest rate of 6% if he...

*June 9, 2008 by RACHELLE*

**LIVING ENVIRONMENT**

the ability to grow in size is a characteristic of living organism .Although an icicle may grow in size over time,it is considered nonliving because there is 1)an incerase in matter ,but no increase in the number of icicle. 2)an interaction between the icicle and the ...

*February 12, 2013 by tania sharmin*

**Calculus-Steve**

Find the area of the region between the graphs of f(x)=3x+8 and g(x)=x^2 + 2x+2 over [0,2]. I got 34/3. Calculus - Steve ∫[0,2] (x^2+2x+2) dx = 1/3 x^3 + x^2 + 2x [0,2] = 8/3 + 4 + 4 = 32/3 Why are you taking the antiderivative of x^2 +2x+2 when we are trying to find the...

*October 22, 2015 by Tiffany*

**calculus plz help me**

integrate:dx/((x-1)sqrt(x^2-2) plz show solution i plead

*May 5, 2016 by samuel*

**maths calculus need help plz**

solve d^2y/dx^2+y=tanx show working plz i don't no it at all

*September 20, 2016 by dams*

**Maths deduce!damon or steve plz help any one**

From (p-q)^2+(q-r)^2+(r-p)^2>(pq+qr+rp) hence deduce that for any number p,q,r,(p+q+r)>3(pq+qr+rp)

*December 18, 2015 by Collins*

**math**

identify the value of x that makes each pair of the ratios equivalent x:4 and 45:20 A.8 B.9 C.10 plz plz plz plz help me!!!!!!!! PLZ!!!!!

*November 2, 2015 by pankakes*

**math**

Steve McSpoke left home on his bicycle at 8am, traveling at 18km/h. At 10am, Steve's brother set out after him on a motorcycle, following the same route. The motorcycle traveled at 54km/h. How long had steve traveled when his brother overtook him?

*January 2, 2013 by Kate*

**Math**

*Ms. Sue or Reed, please check my other question as well if you have time, thank you :) 1. Which sentence has proper subject-verb agreement? A) Even my cousin Steve feel sad today. B) Even my cousin Steve look sad today. C) Even my cousin Steve feels sad today. D) Even my ...

*April 21, 2016 by Tim*

**calculus help me plz**

integrate:dx/((x-1)sqrt(x^2-2) a tutor here direct me to a page but i do not know how to use it i tried but it did not show me any step...i need help plz

*May 5, 2016 by samuel!!!!*

**math**

if john has 56789 pens and steve has 23 times that amount how many does steve have?

*February 19, 2010 by chanquilla*

**plz sequence sir steve reiny bob damon i need u**

The three real,distint and non-zero numbers a,b,c are such that a,b,c are in arithmetic progression and a,c,b are in geometric progression. Find the numerical value of the common ratio of the geometric progression.. Hence,find an expression in terms of a for the sum to ...

*January 6, 2017 by pooo*

**Geometry- Steve**

Hey Steve, in the proportion 9/x=15/25 would you cross multiply 9 and 25 and x and 15???

*January 25, 2013 by Corie*

**Calculus help plz**

Evaluate in (cuberootof(x+1)/(x-1)).1/(x+1)dx help plz

*January 2, 2016 by Collins*

**Physics**

What is the force of attraction between you and your friend steve if you are 55 kg,the mass of steve is 60 kg, and you are sitting 2.4 meters apart?

*February 4, 2016 by Alexandre*

**Calculus**

How do you simplify vectors? 1)AB + BC + CD 2) BC - FE - BA + DE - DC Calculus - Steve, Tuesday, September 22, 2015 at 11:39pm AB+BC = AC so, AB+BC+CD = AD BC-DC = BC+CD = BD See if you can use that idea to rearrange +/- terms so the ends line up in order Calculus - Anonymous...

*September 22, 2015 by Anonymous*

**I NEED HELP!!:(!!!! HELP ME PLZ!!**

I GOT A FEW QUESTIONS SO what is a cell part that has the funcion of a gel-like material inside cells... and what releases energy into the cell.?? plz plz plz plz HELP!!!

*October 20, 2009 by i really need help!!*

**math plz plz plz plz help plz .....thank you**

mark bought a notebook for $1.45 and some pencils that cost $0.42 each if the total cost was 6.91,how many pencils did he buy A.12 B.13 C.14 D.15 is 14 the answer plz help thank you

*November 23, 2015 by random rainbow*

**math algebra**

thanks to reiny and steve, I repeat again that steve answer is incorrect, and I did not type it incorrectly . I mailed the ? as in the book . thanks

*November 13, 2014 by mohammad*

**Calculus also need help plz plz plz**

If z=1/(x^2+y^2-1) is x(dz/dx)+y(dz/dy)=-2z(1+z) or -z^2(1+z) note:dz/dx=partial derivative of x and dz/dy=partial derivative of y??

*October 17, 2015 by Collins*

**calculus plz help me**

Show that the numerical value of the radius of curvature at the point (x1, y1) on the parabola y^2=4ax is [2(a+x1)^3/2)]/a^1/2. If c is the centre of the curvature at the origin O and S is the point (a, 0), show that OC=2(OS) plz show me working plz

*September 16, 2016 by marvin*

**math,trigonometry**

solve each triangle described below using Δ ABC : 1)a = 10, A = 16°, B = 49° 2)a = 8, b = 7, A = 88° I don't know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz help) this topic is Oblique triangle

*January 5, 2015 by Anonymous*

**Maths-equation**

(x+y)+(y+z)=5(x+y)(y+z) (x+z)+(y+z)=7(x+z)(y+z) (x+y)+(x+z)=6(z+x)(x+y) plz can at least see the working and learn am studying maths on my own sir steve told me that x=5/24 y=7/24 z=1/24 but i don,t know how he got my paper is almst finish with that work

*April 14, 2016 by philip!!!*

**Language**

which sentence has proper subject-verb agreement? even my cousin steve feel sad today. even my cousin steve look sad today. even my cousin steve feels sad today.*** even my cousin steve looking sad today.

*October 13, 2016 by Ally*

**Calculus**

Calculate the interval of convergence. Sigma from n=1 to infinity of (n!*x^n)/n^n. Calculus - Steve, Friday, July 29, 2016 at 11:52pm try using the ratio test. You should be able to show that the series converges for |x| < e I tried and I got |x|lim n-infinity of |(n/n+1)^n...

*July 30, 2016 by andre*

**social studies? i think idk**

what new ideas came from the automobile? plz help plz plz plz ASAP

*December 5, 2015 by Geena*

**Math ....urgent help**

i just don't get this elimination method ..... plz help me plz.....teach me how to keep the x and y in a parallel line. and which number to multiply.....plz help -5x-4y=-11 10x=-6-y help me plz......

*January 7, 2009 by vero*

**SS plz help me plzzzzzzz**

What are the two major forces that reshape earth? Describe how itworks. plz plz plz help me there are no answer choices hope u can still help

*November 18, 2015 by #AriannaGirl :)*

**Calculus help plz i do not no it at all**

Integrate: xrootof(2+3.fourth rootof(x^3)/x^6.root(x) plz help i do not no it at all show working!!

*January 4, 2016 by Collins*

**maths**

Steve is trying to make the weight for a Boxing match. Steve needs to be 72kg or less for fight night. He is currently 79kg. His trainer tells him he can lose 4lbs a week comfortably. Given 1kg = 2.2lbs find how many weeks it will take Steve to reach his target weight of 72kg...

*February 8, 2016 by maryam*

**SS PLZ HELP ME ASAP**

What are the two major forces that shape and reshape earth? Describe how each one works. plz plz plz help me there are no answer choices hope u can still help

*November 18, 2015 by #AriannaGirl :)*

**trigonomentry hope steve or damon reiny can help**

If x = cos@ + isin@ , y = cos€ + isin€ ' prove that (x - y)/(x + y) = itan((@ - €))/2 step sir plz

*January 3, 2017 by pooo*

**steve plz help me on my math**

Find the perimeter of a rectangular area with a length of 13 inches and a width of 7 inches using distributive property and not using it.

*December 1, 2016 by Lucy*

**MATH URGENT**

a. Solve a – 9 = 20 b. Solve b – 9 > 20 c. How is solving the equation in (a) similar to solving the inequality in (b)? d. How are the solutions different? I don't know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz help)

*January 18, 2013 by Gabby*

**biology**

a boy inherits genes for tallness,but his growth is limited as a result of poor nitrition. this is an example of 1)an inherited disorder. 2)environmental influence on gene expression . 3)expression of a hidden trait 4)a characterstic controlled by more than one pair of genes. ...

*February 8, 2013 by tania sharmin*

**calculus (please help steve)**

Evaluate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y^2=7x and x^2+y^2=11y.

*July 25, 2013 by andy*

**calculus (please help steve)**

Evaluate ∬(x^2+y^2)^2/(x^2y^2) dx dy over the region common to the circles x^2+y^2=7x and x^2+y^2=11y.

*July 26, 2013 by andy*

**Math**

Please help solve and explain it, thank you. 1. Juan, Steve and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy? 2.

*September 25, 2012 by Jaz*

**algebra**

50. Steve borrows $4,800 from his parents to purchase a used car. No interest is charged on the loan and Steve will pay his parents $150 per month until the loan is paid off. (a)Write a function that describes the relationship between the amount Steve owes his parents and the ...

*January 2, 2014 by Mike*

**Math**

Steve can run 3.5 miles in 30 minutes. If Steve increases his rate by 1/2 mile per hour, how far will he run in 2 hours?

*January 27, 2014 by Heather*

**Math help Steve?**

1) Given that p(-3), p(-1), and p(5)=0, which expression could be p(x)? A)x^3-x^2-17x-15 B)x^3+x^2-17x+15 C)x^3-3x^2-13x+15 D)x^3-9x^2+23x-15 Hi Steve, I got what you said, but how would I solve this equation then?

*April 29, 2015 by Alan*

**Algebra/Steve**

Find three ordered pairs that satisfy the equation (x,y)= (0, (x,y)= (1,1) (x,Y)= (2,3) not sure about the zero Thank you, If steve answer this question this will be the last one for 4 month, I have brain surgery on Monday. Thank you for all you help

*June 21, 2014 by Mary Ann*

**Statistics**

One last one. A poll at Steve's high school was taken to see if students are in favor of spending class money to expand the junior-senior parking lot. Steve surveyed 6 random students from the population. 85% favored the expansion, while 15% opposed it. a) Determine the ...

*November 25, 2015 by Josh*

**World Geo**

"Change the way people think and things will never be the same." -Steve Biko -what is the meaning of this and what made Steve Biko say this.

*February 2, 2017 by Nina*

**Calculus 12**

Simple query. plz tell me in brief. How will u slove this -3 log 3 + log 2 + 2 log 4 Plz explain

*January 21, 2012 by Akash*

**Math**

It took Steve and his construction crew 8 months to build a house. Alfter expenses, he was left with $24,872.67 himself. on average, how much did Steve make per month? Round to the nearest dollar.

*September 7, 2011 by Micaela*

**Calculus- Damon, Steve, Reiny**

I forgot to mention that I am trying to find sigma squared.. given that the mean is r and p(x)= (1/r)(e^(-x/r)) on the interval [0,infinity), where r>0.. note: sigma squared= integral sign (-inf, inf) (x-M)^2 p(x) dx i got (r^2 - 2r)^(1/2) for sigma, but my answer is wrong...

*November 28, 2015 by Christina*

**plz plz help me belive me have tried**

cosx+cosy=a and sinx+siny=b show that sin2x+sin2y=2ab(1-(2/(a^2+b^2)) plz plz show step

*November 2, 2016 by maths*

**Calculus.......plz help! =)**

Use any calculus method to determine extrema, intervals where the function is increasing or decreasing, asymptotes, and points of inflection for y = -x(x+1)^3

*October 20, 2012 by Amy*

**Calculus**

The end behavior of f(x)=(2+x^2)/(x^2-36) most closely matches which of the following: y=1 y=-18 y=2 y=0 I still don't get this based on steve's answer will someone please help?

*January 11, 2017 by Someone*

**math steve**

steve can you explain step by step please 8x=5y and 3y=14z then 12x= how many z's

*December 9, 2012 by dan*

**math**

The ratio of Steve's age to Tims age is 6:7. If Steve is 84, how old is Tim?

*April 9, 2014 by tyra*

**math**

The ratio of steve's age to tims age is 6:7. If steve is 84, how old is tim

*May 20, 2014 by Mango*

**Calculus plz help integral**

Find the integral of §x^1/2.e^xdx at upper limit of 1/2 and lower limit of zero..show work plz

*October 26, 2015 by Collins*

**math**

Juan, Steve, and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy.

*September 9, 2013 by Kristen*

**Damon,steve,reiny,bobpursley....Any 1 just help me plz**

Eight years ago martha was half as old as susan will be when susan is one year older than rose will be at the time when martha will be five times as old as rose will be two year from now. ten years from now rose will be twice as old as susan was when martha was nine times as ...

*April 13, 2016 by samuel!!!*

**Calculus (AC)**

Steve, you've been an amazing help. Thank you so much. This is the last question I need checked. Solve ∜82 using differentials. I got 3.00926

*October 26, 2016 by Sarah*

**3rd grade**

My daughter has a math problems that reads. Steve's birthday is between May 9 and May 23. The date of his birthday is not anodd number. The sum of the digits is 9. When is Steve's birthday?

*August 26, 2009 by Shonda*

**Accounting**

On January 1, 2006 two individuals invested 510000 each to form Steve Corporation. Steve had total revenues of 240000 during 2006 and 250000 during 2007. Total expenses for the same periods were 120000 and 150000. Cash dividends paid out to stockholders totaled 22000 in 2006 ...

*September 25, 2008 by Maddie*

**Geometry i need help urgently plz plz plz**

The lenght of a line segement is of 10units and the co-ordinate of one end point are (2,-3) if the abscissa of the other end is 10 find the ordinate of the other end?? Working plz plz

*October 18, 2015 by Collins*

**STEVE or REINY-plz help!**

Find a general solution to the first – degree ordinary differential equation. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible: dx/dt=sqrt(x+t+1) Thank you in advance for your help! =)

*July 8, 2013 by Elyse*

**Language Arts HELP!!!**

Identify the indirect object in the following sentence. Uncle Jay will bring Steve lunch at noon. a. Jay b. Will c. Steve d. Noon B?

*May 13, 2016 by Gracious Human*

**Alg. - Steve please help**

Steve I already asked you the question about the absolute value of 3x-2=8 and absolute vale x+1=1....value of x...and your answer was does 0 or -2 satisfy both ....they dont...so is it no solution?

*February 1, 2013 by Deborah*

**Algebra**

Kevin ran 4 miles more than Steve ran. The sum of their distances is 26 miles. How far did Steve run? The domain of the solution is {0, 4, 11, 22}.

*August 21, 2014 by Jd*

**algebra**

1. Kevin ran 3 miles less than Steve ran. The sum of their distances is 21 miles. How far did Steve run? The domain of the solution is {0, 10.5, 12, 18}.

*August 30, 2014 by Mariah*

**Algebraic word problem damon or steve plz interven it urgent**

precious father is 5times older than his daughter precious and precious is twice as old as his brother mathew.in two year time the sum of there age wil 58 how old is precious nw

*September 2, 2015 by edward*

**Algebra**

Steve is a member of the basketball team. He averages 2 hit for every 5 times at bat. Steve might get a hit his next time at bat. Which of these methods could not best used to stimulate this situation?

*January 10, 2011 by Anonymous*

**Repost Math for Steve Dowling**

Math - steve dowling, Thursday, September 13, 2007 at 8:44pm what is -5/18 (8/15)= Can you show the work Thanks

*September 13, 2007 by Ms. Sue*

**math**

the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz

*May 30, 2012 by parul*