Math(Please help)

185,959 results, page 48

science

please help me i am looking for word problems involving potential and kinetic energy i need for my homework in science PLEASE HELP!

algebra

1/x^2+5/x=4 Can someone please help me with this problem by showing the steps that I would have to do to get the answer? I have no idea how to do this. Please help somebody.

Algebra 1

Can someone help me solve this problems please? Thank you very much 7x+9>1x+3= Can someone help me undertand the steps to solving this problem, please.

chemistry

what is the molality of a 10.5% by mass glucose solution?. density of the solution is 1.03g/ml can someone please explain how to do this question. please and thank you

To all chemistry students

Please understand that one of our chemistry tutors is on vacation this week. Please be patient.

science-biology..cells

please give me those parts of animal cell and plant cell.. please separate it..

Algebra 1 (HELP PLEASE!!)

Can you please tell me the roster form and set-builder notation for: N is the set of real numbers that are factors of 12

Social Studies 9

PLEASE i really NEED HELP; and i need this by TOMORROW. -no links please . How and why was Hudson bay company established ?

To Jiskha Teachers ~

Please reply my science post I really want to know if Im correct because I just post and you ignore it. PLEASE check it. Thank You! :)

Chemistry(Please, please help)

If the time elapsed is 4.26 min, what is the value of the rate constant, k? ln[R]t / [R]o = -0.0237 I am not sure how to slove this. Is Rt 4.26 min

Physics please help.

At 265 K, the pressure of 0.0454 mol of an ideal gas is 1.42×105 Pa. What volume does the gas occupy? Please help!

science

______________ can prevent some bacterial cells? 7th grade science please help meeeee ms sue help me please thanks

ALGEBRA 2 help please would appreciate

x x _____ - _____ = x^2+9 ________ x+3 x-3 X^2-9 solve for x. and check answer thank you show work please

Algebra 2

Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn! h(x)=x^2-9/x^2-4x+3

Algebra 2

Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn!F(h) = x^2-9/x^2-4x+3

To Ms.Sue Regarding S.F.P.

Dear MS.Sue, could you please tell me what are the controlled and manipulative variables of a Non- Newtonian fluid???? Please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!:):):):):):):):):):):):):):):):):):):):):)

Calculus

Can you please explain to me what are the qualifications for a function to be continuous? Please explain your response in easy to understand wording. thank you in advanced!

Calculus please help!

The limit limh->0 ((sqrt1+h)-1)/h represents the derivative of some function f(x) at some number a. Find f and a. Please help!

Algebra: simplifying polynomials

Please simplify the following. Please show solution if possible:) Question 1: (x^3 + x^2 - y^3 - y^2) / (x^2 - 2xy + y^2) Question 2: (u^6 + v^6 + 2u^3 • v^3) / [u^3 - v^3 + (u^2 • v) - (u • v^2)]

Math

Lesson 8: Solving Inequalities Unit Test CE 2015 Algebra 1 Unit 4: Solving Inequalities i need answers im 9 lessons behind in math and my mom just had surgery and the house is a mess if anyone understands please help!!!! ): i just dont have time

Math-check my work please??

Write an equation, in point-slope form, for the line that is perpendicular to y – 10 = 3/2 (x – 4) and that passes through the point (4, 2). My Answer: Formula for point-slope form; y – y = m(x – x) Insert y and x value; y – 2 = m(x – 4) If the slope for the ...

Math please explain how to do this

Please explain how to work the formula for the following. Quarter Warehouse and Transportation Expense 1/2009 $12,500 2 11,300 3 11,600 4 13,700 1/2010 12,900 2 12,100 3 11,700 4 14,000 1/2011 13,300 2 12,300 3 12,100 4 14,600 The results of a simple regression analysis using ...

pf

i need help with pf. Please specify what your exact question is and please label your question as to the subject, example, English, algebra, chemistry, etc. We will be happy to help you.

Help!

I don't know What United States did for genocide of darfur. Please tell me about it too. I know some site, so please give me some comment of that answer.

algebra

please see below on this page 4 my question. I got an answer, but it wasn't helpful please don't 4get about my question i didn't get any help on it yet thank u

spanish!!...urgent!...please help

how did the geography influence the migration and exploration of colombia? venezuela? i need websitres for this urgent...please help asap... :(

music

Can you please post all the music theory intervals? It is for Rudiments 1 and 2 please. Like perfect 5th and augmented 6th. Thanks

Earth Science

Why is the Colorado river in central nevada not part of a larger river system? Please help!! i am stuck in this quetion. Please help!!!!!!

6th grade

Im having trouble with my Reading.If any of you have any help.with me please do bc i hate Reading and it is very hard for me.I'm in all honors.PLEASE HELP!!!

Physics

PLEASE HELP!! The x and y cooridinates of an object are given by x(t) = (10 m/s)t + (5 m/s2)t2 + (3 m/s3)t3 y(t) = (20 m/s)t - (10 m/s2)t2 + (2 m/s3)t3 where x and y are in meters and t is in seconds. What is the object's acceleration at t = 1 s? Please explain in detail how ...

Spanish, posted Sept. 14

Please go back to your original post for additional information. Please also post a name! Sra

PHYSICS

A CAR ACCELERATES TO 36M/S FOR 4 SECS BEFORE DECELERATING TO 32M/S FOR THE NEXT 6 SECS. CALCULATE THE DISTANCE PLEASE PLEASE HELP

spanish

please translate these sentences into spanish-: 1.how are you? 2don't disturb me? 3.i want to drink something. 4.oh, i got it. 5. I want to do my work. 6.please be quite.

Calculus - please check my work

Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for each was: a) y'= -6x + 5 b) f'(x)= -6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x - 16x^3 - 4 please double check and let me know if these are correct, thank you.

Calculus - please check my work

evaluate rounding to 2 decimal places if neccessary a) 1n5 = 1.61 b) lne^2 = 2 c) (lne)^2 = 1 please let me know if these are correct, thank you.

Calculus

Please help find the rational roots of f(x)=4x^4 - 3x^3 + 2x^2 +x - 3 another is f(x)=-3x^3 - 2x^2 + x - 1 I tried but still confuse please help really really need help Thank you very much!

aig

Please solve. Use order of operations. 320-(17+3)-5 = My answer is 323, am i right or not? if not please tell me your answer and how you got it.

college algebra--need help Please!!!

I need to find the vertex and axis of symmetry of the folowing quadratic function. Can someone PLEASE help me!! y= -x^2-6x

Chemistry

Can someone please help with this problem and explain it please? If soil has a density of 1.32 g/cm cubed, then what does 1.0 cubic yards of soil weigh in pounds?

Please Reiny Solve it For me Again! please......

Solve for the value of x: log5(x-2)+log8(x-4)=Log6(x-1)..For your information that 5,8 and 6 are bases not just multipliers. Thank you.

ALGEBRA 2 help please would appreciate

3x-8 over 3x subtract 8 over 7y please show all work help needed. I have no idea how to do it

Pre ALGEBRA

what are the next three terms in the sequence -6, 5, 16, 27? A)38,49,60 B)37,47,57 C)36,45,54 D)36,46,57 i think its a Am i right Somebody help me please DAMON,MS.SUE, SOMEBODY PLEASE HELP ME

English

please tell me how can we Use of get + past participle and identify in sentence? I got injured. He will get married. Please tell me by example.

Download please?

Can anyone please download the prep guide for the nystce exam for me? My computer isn't compatible and I need it a.s.a.p. Thanks in advance.

Pre-Algebra(please check)

Please check these simplified expressions(my answer is after the ;) 4(2k-6)-8(3-3k); -16k-(-48) 9+(-2k)+(-4)-6k; -8k+5 -x+4x-(-8x)-9+2x+1; 13x+(-8) 5(-3x+6)+8x; -7x+30 8+6x+4-8x; -2x+12 5(-m-3)+4m-10; -9m+5

algebra

multiplying monomials - please advise if this is correct? If not please advise where I went wrong? -12sq*3s = -36sq^2

chemistry NEED SERIUOS HELP PLEASE!!!!

a)issues of biodegradibility of plastic b)methods of waste disposal and the issues PLEASE HELP THANK YOU

geology please help me urgent if you can please

the question is below: explain the role of sedimentary rocks in the rocks cycle?

Rational Forms

List all the possible rational zeros of f(x)=3x^3-x^2+2x=2. Please help me. I don't understand how to do this. Can someone show me please.

algebra

-4r^2+21r=r+13 3s^2-26s+2=5s^2+1 Please, please could you be so nice and help me with step by step, I can't find right solution, Thank you so much!!!!

Precalculus

Please help!!!!!!!!!!! Find all solutions in the interval [0,2π). 7. 2 sin^2x=sin x Please answer asap

Maths

Can someone please help me out here. I can't figure out how to do them. I need Pr(A) to do them with the formulas that I know. Please help! Given that Pr(B) = 1/5, Pr(A|B) = 1/3 and Pr(A|B') = 1/3. Determine: a) Pr(A and B') b) Pr(A) c) Pr(B'|A)

Math question/help please!

Please somebody help me with this question, I don’t really get it: The triangles are shown congruent. Find the measure of angle P. MLK is congruent to RQP. A. 43 degrees B. 32 degrees C. 105 degrees D. 37.5 degrees Triangle 1 measures: MK: 43 degrees. ML: 32 degrees I added ...

Math question/help please!

Please somebody help me with this question, I don’t really get it: The triangles are shown congruent. Find the measure of angle P. MLK is congruent to RQP. A. 43 degrees B. 32 degrees C. 105 degrees D. 37.5 degrees Triangle 1 measures: MK: 43 degrees. ML: 32 degrees I added ...

Math question/help please!

Please somebody help me with this question, I don’t really get it: The triangles are shown congruent. Find the measure of angle P. MLK is congruent to RQP. A. 43 degrees B. 32 degrees C. 105 degrees D. 37.5 degrees Triangle 1 measures: MK: 43 degrees. ML: 32 degrees I added ...

Quick math help

Can someone please check my math Hw? Thank you!! Solve each system by elimination. 1. 8x+7y=-1 -9x-7y=2 I got (-1,1) 2. 4x+3y=1 -4x-7y=-13 I got (2,-2) 3. -7x-6y=-21 -x-6y=-3 I got (3,0) 4. -2x+3y=-16 -2x-5y=-16 I got (8,0) 5. -7x+2y=13 -14x+4=26 I got (0,0) 6. 15x-8y=14 -5x+...

Math

5. Joe Sullivan invests $9,000 at the end of each year for 20 years. The rate of interest Joe gets is 8% annually. Using the tables in the Business Math Handbook that accompanies the course textbook, determine the final value of Joe's investment at the end of the 20th year on ...

3rd grade math hw help!

hello all, my daughter come home with a math homework "Alphabet Polygons" I have no idea how to use the letters in the alphabet to answer the questions. Please HELP! The questions are as follow: 1) You can make polygons of some of the letters by drawing just one more line ...

I CAN'T THINK OF A WORD- PLEASE HELP!!!

I can’t think of the word- please help!!! Hi. I am writing a story and need to find a word to describe the sound that bowling pins make when they are hit by the ball. The only word I got so far is “Crash”. I need a better word. Any ideas? I have tried a thesaurus, but it...

Alzheimer's Disease...help please!

Are there any websites where I can go too for treatments there are for Alzheimier's?PLease help!(It can not be a . com webpage) This is the website for the Alzheimer's organization. www.alz.org/

mat 117/algebra

Find a value for k so the 9m^2-kn^2 will have the factors 3m + 7n and 3m -7n. Please show me how to get this and show the work please. Use that (a-b)(a+b) = a^2 - b^2 So, you can read-off that k = 49.

AED

help please. I need Interpersonal Development characteristics for infancy which is birth till 2 and i need it for earl childhoon which is 2-6 yrs of age please.

Chemistry

please I need help with this. what is the difference between molality, normality and molarity? and adhesive forces and cohesive forces? I am very confused. please help thanks

english help please

in the short story "gregory" by panos ioannides why does the author choose to use the title Gregory can someone please help me with the question thank you

Algebra (please help!)

Pretend the parentheses are absolute value bars. Solve: (x+5) < 5 The choices are: a. -10 < x < 0 b. -5 < x < 5 c. -10 < x < 5 d. -10 < x < 10 I'm not sure how to solve this and how the answers relate to the question. Please help if you can! Thank ...

Science

good day! can you please give me the wave explanation for colors? i need it for my report tomorrow. i need an immediate answer please!

algebra check + help please?

How do I solve this? -90>( with an line under that sign) 4T I think you flip the sign or something? I'm not really sure.. Could someone please help?

Pre Algebra

Find the Original Amount: NEW AMOUNT: 210 75% INCREASE **please help me as soon as possible and explain steps please!**

Maths

The product of two consecutive positive numbers is 42 Find the numbers Please write this problem in quadratic equation form please

Algebra II

Hyperbolas: Could someone please tell me how to determine if the following indicate the foci are on the x-axis or the y-axis? x^2/4 -y^2/16 = 1 x^2/49 - y^2/9 = 1 x^2/36 - y^2/16 = 1 please explain how to set the equations up thank you

spanish

How do you say "This special is only valid today" Please don't use google translate or another translator. Please answer if you are fluent in Spanish.

Help me please I dont know this quation

How to affect lattice energy,charge on the ion and radius of the ion, the solublity of the substance. please if it is possible with example

Algebra 1

Help me please. y=2x x+y=0 im working on solving systems by graphing. I don't know how slope work yet, right now we working on x and y intercepts. I'm Lose please help

please help me

It takes Omar four minutes to eat eight carrot sticks. How long does it take him to eat one? Please answer and explain.

Spanish

Please list Typical foods of Costa Rica. Please answer. I need this in 1 hour. Thank you for persons who answer this question in advance.

Algebra 2

Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn!@!@!. 49X^6+7X^7/28X^8

Algebra

Please check and see if my answer are correct 1). 24v^2w^5x^8-20v^7w^9= -4v^2w^5(5v^5w^4-6x^8) 2). 81-25z^2= (5z+9)(9-5z) 3). 5y^3-7y^2-15y+21=(y^2-3)(5y-7) 4). x^2+4x-12= (x+6)(x-2) 5). 3x^2-26x+16= (x-8)(3x-2) 6).4v^6+6v^5-18v^4= 2v^4(2v-3)(v+3) 7). solve for y y^2+6y+8=0 y...

science please help

Help please. According to the following diagram, approximately how much time goes by between phase H and phase B? explain your answer.

Maths

A median of a number is 5. A mean is 5. They're five different numbers. They're not integers. Workout the numbers. Please help me I got a test tomorrow please!:)

precal Please Help

1-cos (2A)/2sin A+ SIN (2A)= tan (A/2) I need to verify the identity I have no idea how to do that and I have a test please explain!!!

Algebra

Write the expression as a single logarithm. log_3 40-log_3 10 I'm completely confused with logarithmic equations!! Can someone please please help me understand?

Statistics / Math

If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places. ********non***regular heavy total man*****135*****64******5*****204 women***187****21*******9*****217 total***322****85*******14...

math urgent please

Petr has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of the block that Peter ...

algebra check please

a=-2 b=5 c=-4 d=6 question is b^2-2bc+c^2 see if i did the steps right please (5^2)-(2*5*-4)+(-4^2) (5^2)-(10*-4)+(-4^2) (5^2)-(-40)+(-4^2) 5^2-(-40)-4^2 25-(-40)-4^2 25+40-4^2 25+40-16 65-16 49 No. Minus four squred is positive sixteen. eighty percent of 280 is what number? ...

Biology help

please can someone help i need to know the difference at telophase 2 of meiosis if their had been a crossing over at a postision halfway between the huntingtons disease genes please im finding this last question hard

chemestry

I need serious help on this....please help guys.. i've to turn it in in an hours... Balance th following equation in acid Solutiong and determind if it is spontaneous under standard conditions. NO3^-1 + Sn^+2 ---> NO + Sn^+4 Please do not post duplicates.

English

can you PLEASE give me a simple sentence with the following words;- claustrophobia arachnephobia agoraphobia archeology biology geology zoology telephone television telepathy Please reply. This is VERY important.

Algebra--please help!

This one, I am very confused on and I have no idea how to solve. Please help explain it so I can understand it. Given that the positive integers a, b, c, and d satisfy a/b < c/d < 1, arrange the following in order of increasing magnitude: b/a, d/c, bd/ac, b + d/ a + c, 1...

:( please help answer cal problem

Use lagrange multipliers to find the max and min values of the func f(x,y)=xy subject to the constraint 1=(x^2)/8 + (y^2)/2 I know how to set up.. i got y=Lx/4 and x=Ly now im lost!!! Please help with detail because im an idiot.

social 10

Historical Globalization & imperialism Should the Europeans have tried to change the beliefs of thr people in their colonies during imperialist times? could you please give me some reasons. Please help

English

I have to create a character sketch of nernard from aldous huxley's brave new world. Please help me with the topic sentence the three traits and quotations!! Please!!! Your help is very much appreciated!!!

media

can someone please explain why there are advertisement on the webpage, which are very interrupting...like dating women.. whoever set this programme up can you please get rid of it as this is for educational purposes not for promoting sexual relationships!!

MEDIA

can someone please explain why there are advertisement on the webpage, which are very interrupting...like dating women.. whoever set this programme up can you please get rid of it as this is for educational purposes not for promoting sexual preferences!!

Chemistry Help Please

Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following chemical reaction: CO(g) + H2O(l) CO2(g) + H2(g). Show work please! Thank you!!!

alegebra 1

the question is a diamond problem and it already gives you the sum of 24 on top and -11 on bottom can someone please help me? I would really appreciate it! ( please do not give me the answer just need some pointers)

6th Grade World History

Hi, can someone please explain me this: What caused the shift from Hinduism to Buddhism? *Note: I'm learning about Ancient India. Thanks and I don't have too much time so please hurry. Thanks :)

Chemistry urgent please

How much mL of dilute nitric acid is needed to add in control solution in chloride limit test in sodium hydroxide sample???can u please give me Answer urgently??

Science please help

12. Measure the temperature of two unknown samples with your thermometer 13. Record both temperatures using the scale on the straw. please help ive been stuck for about 1 hour and a half

Math, Please help :/

Kyle had 36 books in his locker. Some were library books, some were textbooks, and the rest were telephone books. The number of library books and telephone books combined equals 3 times the number of library books.How many of each type of book were in Kyle's locker? Please ...

sentences

Please note that we don't do students' homework for them. Once YOU have tried to write a sentence for your assignment, please re-post. Then someone here will be happy to give you feedback. =) who can you put a sentence that has including eveyone including everyone can you find...

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