Algebra, help + check please

103,406 results, page 61

intermediate algebra

Write the equation of the line containing (-3,4) and perpendicular to y = 2/3x + 2. Write your answer in slope-intercept form. Not sure how to do this one. please help.

intermediate algebra

Write the equation of the line containing (-3,4) and perpendicular to y = 2/3x + 2. Write your answer in slope-intercept form. Not sure how to do this one. please help.


How do I solve for elimination method on this problem: 0.3x - 0.2y=4 and 0.3x + 0.3y= 5/19. I know that multiply by 10 on both equations and get 3x-2y=40 and 3x+3y=50/19. and then I have to multiply 3x-3y=40 by 3 and 3x+3y= 50/19 by -3 to get 9x-9y=120 and -9x-9y=-150/19. But ...


I did this problem, but would like to compare answers please if someone can help. Thanks! Find the equation of the line parallel to the line 3x + y = 5 and containing the point (4, – 2).


2x^2-2x-1=0 How do I use the quadratic formula to solve this because I am totally new at this and need help? Please show me the steps for this equation,so I will be able to do it own my own. Thank you.


How can you tell whether a polynomial is written in factor form. Construct a trinomial whose greatest common factor is 2x^2. Am not understanding this...Please help.


The length of a certain rectangle is 4 m greater than five times it's width. What are the dimensions of the rectangle if its perimeter is 20m??? please help i have no idea how to do this!

Algebra 1 (HELP PLEASE!!)

Vicky uses 1 2/3 cup milk for a muffin recipe. If she wants to make 3 times the amount of muffins, how much milk will she use?


I need to use Pascal's Triangle to expand (x-1)^5 I know I use the fifth row but I'm not sure how to do it- I have a bunch of these and I'm really confused- Please help if you can-


Could someone please help me with this? Is it possible to subtract two polynomials, each of degree 3, and have the difference be a polynomial of degree 2? If so, give an example. If not, explain why not. thanks


need helo solving this Equate y=-4 to y=mx+b. What is the value for m so that these equations are equivalent I need a fast response on how to solve this problem can someone help please?

algebra 2

given the zeros,write a polynomial equation in factored form.zeros: -45,99,127,358 show all the step please.

college algebra, Please help!!

find the line with the given properties. Parellel to the line 7x-y= -7; containing rhe point (0,0) plz show work

College Algebra

I have t = ln(2)/.04 and the book has the answer as 25ln(2) I know these are the same but please show me the steps to go from ln(20)/.04 to 25ln(2) What rules etc. make it so I can do that so I can do it on later problems Thank you


Need help with this one write an explicit formula for the sequence 1/2,3//7,1/3,5/19,3/14 then find q14 I don't know how to set this up can someone please show me how this one works

college algebra

I need help bad. Don't know which formula to use. Please explain step by step. 2x^2-12x+19. Find the interval where f is increasing and decreasing.

algebra 2nd try

I need to simplify this 2/∛49 . I figured it out to be (2∛((49)^2))/49 but the system I added my answer to says this is incorrect. Please help me! Thanks anyone.

Algebra please

I have two left I need help with and don't understand. Find the partial sum S6 1. An=3n+2 2. Find the number of terms n in an arithmetic sequence if a1=20, d=5, and An=75.


Please help with this factoring problem: 2x^3/2 − 6x^1/2 + 4x^−1/2 what i did first was make all the exponents whole numbers, so I got: 4x^3-36x+16x^-1 I don't know what to do from there.


On my TI-83 plus graphing calculator it says "ERR: WINDOW RANGE" When I type in the equation and click graph that what it says. Please help!!!!


Find a formula for the inverse of the function. y=x^2-x, x>=(greater than or equal to) 1/2 Please give me a step by step explanation. I think my algebra is wrong... Ty


This is giving me a lot of trouble. Factoring Differences of Squares Factor Completely 98-8w^2 and can you explain how you got the common factor if there is one please

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

Math algebra Help please

A right triangle has an area of 24 ft^2 the dimensions of the triangle are increased by a scale factor of 6 A.48ft^2 B.72ft^2 C.144ft^2 D.864ft^2

Algebra (1)

Hello! I'm currently stuck on a ratio problem and do not understand how to work it. The question is: y+2 over y+7 = ll over 31. Please explain the answer and how to find it.


A spinner is divided into 10 equal sections numbered from 0 to 10. you spin the spinner once. what is P ( divisible by 3)? a. 1/3 b. 1/2 c. 2/5 d. 3/10 my answer is d, is that correct?


Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^2-98 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions)


Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^2-98 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions)


please solve x+5y=10 -2x-10y=-20 Since the second equation can be obtained from the first (by multiplying both sides by -2), they are not independent and there is no unique solution. There are an infinite number of x,y combinations that are solutions.


Someone please help me I have g(x)=7/5-5x It says to find the domain I am unsure how to write it out as it is all real numbers I wrote it like this is it correct? {x|x>4/5} The > sign has a underline under it*****


in my workbook it says give the opposite of each expression and the problems are: -10t+21 -x+2z there are alot more but i thought if someone explained a couple of these to me maybe id understand the rest. idk just please help me!!!

algebra ll

students are given a list of 10 vocbulary words to learn. in how many ways could four of the wwords be listed on the test? if wrong give correct answers please my answer is 3780.

algebra ll

students are given a list of 10 vocbulary words to learn. in how many ways could four of the wwords be listed on the test? if wrong give correct answers please my answer is 3780.


Juan charges $3.50 per hour for babysitting. Write a rule to describe the amount of money (M) earned is a function of the number of hours (h) spent baby-sitting. HELP PLEASE


Find the mean for each set of data. Round to the nearest tenth if necessary 12, 20, 8, 15, 16, 14, 7, 5, 11, 8, 14 i realy need help on this i keep on getting 12 as the median but the answer choices don't have 12, could u guys help me please

intermediate algebra

rewrite with positive exponents. assume that even roots are of nonnegative quantities and thst all denominators are nonzero. 1 )-3 ----- xy^3 )-3 everything times the negative power of 3 help please


I need help solving this set of equations by substitution. xy=2 3x − y + 5 = 0 I originally used (3x+5=y) and came up with (x=.333 and x=-2) but when I substitute it into the original equation I get (y=2 and y=1) and it is wrong according to my homework. Please help me!


Please Help, The last question has to be done by midnight. A chevy Bel Air, a classic car today, cost $2,400.0 new in mid-1963. How much would that be in 2012 dollar.

business math

How do you know which rule to use when it doesn't specify? All it says is find the derivative of the function. I haven't had algebra/calculus in over 20 years, I'm completely lost. Please help.

Grammar and Composition

please check these: In the following exercise, capitalize the words that are spelled incorrectly. then spell it correctly. 1 misspelled word per line 1. MAXIMUN, memorandum, merchandise, millionaire (maximum) 2. miscellaneous, mischievous, MONENTOUS, monotonous (momentous) 3. ...


what is a thesis The word has several meanings. Please check this site for explanations. If you still need help, please post another question.


measuring your heart rate is one way to check the intensity of exercise. studies show that a person's maximum heart rate depends on his or her age. The expression 220-a approximates a person's maximum heart rate in beats per minute, where a is the person's age.find the maximum...


Please check the questions about the tragedy Romeo and Juliet below. 1.Friar Laurence could best be described as: A. a very mean person B. a happy person C. someone who likes to please people I would say C as he did whatever Romeo and Juliet asked him to do. 2. Romeo could be ...


A wave traveling in the +x direction has an amplitude of 0.50 m, a speed of 5.7 m/s, and a frequency of 18 Hz. Write the equation of the wave in the form given by either Equation 16.3 or 16.4. (Answer in terms of t and x. Assume standard units.) please check my answer: y= A ...

Health care

Please check my answer thanks :) Your neice may be eligible for health care coverage under the State Children's Health Insursnce Program. Where should your neice first start reveiwing eligibilty requirements ? 1. Social Services 2. The centers of Medicare and Medicaid 3. in ...


The area of a circle is found with the formula A =〖πr〗^2, where π represents 3.14. If a tile artist is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is the approximate radius of the circle in feet? a.)10...

pre calc trig check my work please

sin x + cos x -------------- = ? sin x sin x cos x ----- + ----- = sin x sin x cos x/sin x = cot x this is what i got, the problem is we have a match the expression to the equation work sheet and this is not one of the answers. need to figure out what im doing wrong so i can ...


can you please translate this? cut peahes remove pits Get a dessert dish place peahes in them get vanilla yogurt place about one fourth in each half check up on your melba sauce get melba sauce top with melba sauce make sure it is not too hot serve immediately


Hi. Could you Please check my answers? I just want to make sure they are correct. Thanks for the help in advance :). True or false: All matter on Earth contains energy- true? True or false: the molecules in frozen water are in motion- true? True or false: ice is too cold to ...

Maths ..Equations

Hi I have to rearrnge the following to make y the subject.. x = 3 - 2y / 6 I get the first part do x 3, - 2, and / 6. Undo x 6, + 2, and / 3 then multiply by 6 so, 6x = 3 - 2y add 2 to both sides, 6x + 2 = 3 the divide both sides by 3 6x + 2 = y ------- 3 so y = 6x - 2...

chem - check euqation please

suggest a test chemical that can be added to the water sample to precipate the lead (II) ions. Show a chemical equation for the formation of the precipate you have chosen. I chose Hg(N03)2 so Pb2 + Hg(NO3)2 -->Pb(NO3)2 = Hg I know I still have to balance it but is my ...

Calculus Please Check my answer

Water is poured into a bucket according to the rate F(t)=(t+7)/(2+t), and at the same time empties out through a hole in the bottom at the rate E(t)=(ln(t+4))/(t+2), with both F(t) and E(t) measured in pints per minute. How much water, to the nearest pint is in the bucket at ...


Please can you check my work so far. we have to fill in the gaps. my answers are in '..'. i have no idea what is supposed to go in the gaps my teacher says some answers would be better than others please could you help. Je ne mange jamais 'le porc' parce que c'est défendu aux...


Which of the following is a good rule to follow when proofreading an essay? A. Scan the essay twice, once for organization and once for surface errors. B. Ask your best friend to critique your essay. C. Use the computer's spell-check and grammar-check functions to be sure you ...


What is the journal entry for a bounced check. For exemplar, on May 10, Mr. Smith pays his $1000 bill the a certain company, cash receipt #1. On May 12 the check is returned marked Not Sufficient Funds. Would the journal entry look like this. debit credit Accounts Receivable $...

Algebra 1

Can you please check my work and help me with the parts that I don't understand? For each event, choose the most appropriate term and solve the problem. 1. In a sweepstakes with nine hundred entries, the first winner selected receives the grand prize, the second receives first...

Law and Ethics in Med

please check my answer thanks :) Dr Bob is sued for malpractice. when called to give testimony at trial. he will .... 1. be barred from revealing medical information about the patient. 2. be allowed to testify about the pt's care 3. allowed to testify, but not about the pt's ...


1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that on the line would the answer be ba and bc? what would the answer to d be?

Chemistry G.12

Check if im right please: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) At a specific time in the reaction, ammonia is disappearing at rate of 0.068 mol/(L • s). What is the corresponding rate of production of water? I did Rate of Production H20 = 1/6(0.068) = 0.0113 mol/(L*s) ...

Calculus, check my answer, please! 1

Did I get this practice question right? 1. Consider the following functions: f(x)=cos(x^3-x) h(x)=|x-3|^3 g(x)=1n(|x|+3) s(x)=sin^3(x) Which of the following is true? (Points : 1) f is even, h and s are odd. ***f and g are even, s is odd. h and s are odd, g is even. s is odd, ...

Geometry :(

this maths problem is wrecking my head.... 1.find the points of interesction of the line L and the circle k in the following L:x-2y=0 K:X Squared + y squared=25 I would solve both equations for y, and then you'll have a system with two equations and two variables: y = x/2 y...

Math: Please check

Which radical expression is in simplified form? A.) 11y/3 square root *B.) square root of 6/5y C.) square root of 17/square root of 4 D.) square root of 25/81 Thank You


1. I am good at mimicking others. I want to mimick President No Muhyeon for the elderly people. 2. I am good at walking on my hands. I want to walk on my hands to surprise the elderly people. 3. I am good at doing hard work. I want to carry heavy things for the club members ...


1. What country possesses Easter Island off the coast of South America? Chile 2. What is the westernmost state in the United States? Alaska 3. What forms the natural boundary between Argentina and Uruguay? The Uruguay River 4. What is the name of the country located in the ...


Which of the following explains how natural selection leads to evolution? A. Conditions in the environment reduce competition for resources within a species. B. Helpful variations accumulate among surviving members of the species. C. Overproduction provides food for stronger ...


Could you check these sentences, please? Thank you. 1)The protagonist soon sees a light coming from the bottom of the wall that make(s) the figures seem spectral and unbearable, like demons looking at him from different directions. 2) He devoted his entire life to the seach ...

social studies

Please check: 1812- United States declares war against Britain The warship Constitution defeats the British ship Guerriere 1813- Battle of Lake Erie Battle of THames 1814- British burned Washington, D.C Battle of New Orleans 1815- Francis Scott Key writes "The Defense of Fort ...

social studies

what are two major freight lines in Georgia today? 1.Atlantic coast line 2.CSX 3.seaboard airline railroad 4.norfolk southern Why are Georgia Ports important? 1.they make the highways less crowded 2.they encourage trade by rivers 3.cargo shipping continues to expand 4.they ...

maths permutation & combination - answer pls check

Your password for a given website is made up of three letters followed by four numbers. Find the number of possible passwords if there are no restrictions on what three letters and what four numbers can be used. Pls check if my answer is correct 26C3*10C4 =26!/(26-3)!3! . 10...


PLEASE CHECK MY MATH ANSWERS PLEASE AND LABEL THEM LIKE 1.WRONG AND STUFF THANKS ! 1.There are 5 red crayons, 6 yellow crayons, and 11 blue crayons in a shoebox. What is the ratio of the total number of crayons to the number of yellow crayons? A.6:22 B.6:16 C.22:6(I PICK THIS...

PLease check math

1)FInd an equation of the line containting the given pair of points. (-8,0) and (0,5) MY ANSWEAR: (5/8)X+5 2)Find an equation of the line having the given slope and containing the given point. m=6 (8,1) MY ANSWEAR: 6X-47


1. He made me go there. 2. I was made to go there by him. 3. I was forced to go there by him. 4. He had me go there. 5. I was had to to there by him. 6. I was asked to go there by him. 7. He let me go there. 8. I was let to go there by him. 9. I was allowed to go there by him...


Craig scored 12 points in a game. Marla scored twice as many points as Craig but 5 fewer points than Nelson scored. How many points did Nelson score? a. 2x12+5 b. 2 x 12 -5 c. 1/2 x 12 + 5 d. 2 x (12 + 5) Answer-b Can you please check on the above.

Social Studies (URGENT)

During the immigrant experience in the early 1800s U.S. is said to be a "melting pot", and Canada a "mosaic". a.) What do these two terms mean to you? Melting pot describes the blending of cultures into a single nation. Cultural mosaic describes the mix of cultures coexisting ...


can u please explain the methaphor "slow dawns are caught in great wooden bowls" please explain with detail please please need fast


Can you please help me with these Algebra word problems? Complete the following word problems. 1. Tell whether the table represents inverse variation. If so, write the inverse variation equation and solve for y when x = 4. Show work that supports your conclusions. Table: ...


Will you please check my answers? Substances or mixtures? 1. Carbon Dioxide = M 2.salt water =M 3. table salt = M Homogeneous or Heterogeneous Matter- 1. flat soda pop = Heterogeneous 2. aluminum foil = Homogeneous 3. black coffee = Homogeneous 4. beach sand = heterogeneous 5...


I am trying to help my son in Algebra, the only thing is that I have forgot some of these thing.He has a word problem I can not figure it out please help a mother help her 9th grader. Q- The polygons below are similar. Find the unknown side lengths if c=24. Each measure is in ...

Chemistry: Please check my answer

ClO2 is sometimes used as a chlorinating agent for water treatment. Cl2 + 4 NaClO -> 4 NaCl + 2 ClO2 In an experiment, 1L Cl2 measured at 10C and 4.66atm is dissolved in .75L of 2.00M NaClO. If 25.9g of pure ClO2 is obtained, then what is the percent yeild for this ...


Considering supply and demand, what happens to each of the following things when the U.S. is under the recssion? a.) Full employment product output: b.) Price level for goods: It goes down until a certain price level at which consumers realize goods are cheap and start buying ...

Programming Concepts

Can someone please explain to me how I can get the solution for this question. Use the top-down modular approach and pseudocode to design a suitable program to help you solve this problem. Whenever appropriate,validate the input data. Find the sum of the squares of the ...

Physics(check my answer please!!)

Hello, could you guys let me know if this looks right? Thanks in advance. A ball is fired at a speed of 8 m/s at 20 degrees above the horizontal from the top of a 5m high wall. a) what is the total velocity at the maximum height? b) how far from the launcher will the ball hit ...

Math, Please check answers

I do not want to fail this, could you please help me with number 1 and 3.D, and then check my other answers? Thank you. 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape| S/A Formula|Volume ...

English 8R - Homework Check - Part 2

Here's the second one: Please check to see if there any grammar errors and if it's good. BTW ---- If you NEVER heard of the movie Google it and read about it on Wikipedia. Urban Unit 2012 - Stand and Deliver Response Would you be willing to give up your mornings, afternoons, ...

Algebra-Please help-I'm desperate to understand

Posted by Megan on Tuesday, October 12, 2010 at 3:44pm. I have a question if someone could help, please explain it. Given b = -1 and h = -1, what is the equation of the graph if the parent function of the radical is y = square root (x) The x should be under a square root sign...


1. You can check prices for bicycles on the Internet. 2. You can check prices about bicycles on the Internet. (What is the meaning of 'for' in Sentence 1? Does 'for' mean 'about'? Are both sentences the same in meaning? Can we substitute 'about' for 'for'?)


I left out a few more things and a short translation. Can you please check them, too? 1) Four of your students have sent email so far. Can you please send me the individual email addresses of your partecipating students so that we can start the email partnership? My students ...

Math(Please check)

What is the difference between the actual increase in profit as production increases from 5 to 6 units, and the marginal profit at a production level of 5 units where the profit function is given by p(x)= 3x^2 - 5x + 2 First I plugged 5 into the equation and got 52. Then I ...


Please check my answers: Why does a brick weigh 1 kilogram. Explain. -Is it because the matter in the brick is the gravitational pull between the brick and the earth? When one water drop falls from a facet, and then a few minutes later another drop. How will the drop come out...


1. This is a superlative sentence. e.g. Mr. Pitt is the heaviest of the three. 2. This is a comparative sentence. e.g. Emily is taller than Bob. 3. This sentence is in the past tense, so you should use the past form of 'go'. e.g. He (went) to the movies yeaterday. What is the ...


A 10.8 kg block of metal is suspended from a scale and immersed in water, as in the figure below. The dimensions of the block are 12.0 cm 10.4 cm 10.4 cm. The 12.0 cm dimension is vertical, and the top of the block is 5.00 cm below the surface of the water. (a) What are the ...


Evaluate the indefinite integral. Please check my work? Not sure if I am doing this correctly. S= integral symbol S x^3*sqrt(x^2 + 1) dx u = x^2+1 x^2= u - 1 du = 2xdx du/2 = xdx 1/2 S x^2 * x sqrt (x^2 + 1) du 1/2 S (u - 1) * sqrt (u) du multiply square root of u and (u - 1) ...


Thank you. Where should I include commas? Can you check if I set them correctly, please? Explain to a friend of yours, who has never flown, what he/she should do before boarding a plane. 2) Talk about the place where you live using the following grid: . – What is your town ...


Please check my answers. 1) Fossils are the ______. a. oldest layers of rock in a region b. remains or traces of prehistoric life. (my answer) c. objects that people of long ago left behind as artifacts. 2) In what type of rocks are most fossils found? a. sedimentary rocks (my...

Math(Please check)

Lsit the intercepts and test for symmetry. y^2 - x - 4 = 0 I got (-4,0) and (0,2) for the intercepts. -y^2 - x - 4 = 0 Is not symmetrical to the x axis, correct? y^2-(-x) - 4 = 0 Is not symmetrical to the y axis, correct? -y^2 + x - 4 = 0 Is not symmetrical to the origin, ...

Math(Please check! Thank You)

List the intercepts and test for symmetry. y^2 - x - 4 = 0 I got (-4,0) and (0,2) for the intercepts. -y^2 - x - 4 = 0 Is not symmetrical to the x axis, correct? y^2-(-x) - 4 = 0 Is not symmetrical to the y axis, correct? -y^2 + x - 4 = 0 Is not symmetrical to the origin, ...


if P(A)=.60, P(A/B)=.50, AND P(B)= .40, answer the following. 1) events A and B are independent =FALSE true or false or cannot determine 2) events A and B are disjoint =TRUE true or false or cannot determine 3) find P(A and B) =??????


Solve the system by addition or substitution. 3x – 4y = 8 6x – 2y = 10 Please get me on the correct track for 3x -4y =8 x=4, y=1 for 6x - 2y =10 x= 2, y= 1 Solve one equation for x. 3x = 4y + 8 x = (4y + 8)/3 Insert that value for x in the other equation and solve for y. ...


{At a restaursant} For hear or to go? Is this for here or to go? It's for here, please. It is to go, please. (Are the expressions above all grammatical? What is the meaning of 'is to' in 'It is to go, please.'? Does it mean 'must'? That is, "It (the food) must go, please." Am ...


Jay, Kay, Ray found themselves far apart for lunch while working in a field. Jay could see Kay, then turned 75 degrees and see Ray. Kay could see Ray, then turn 51 degrees and see Jay. Ray could see jay, then turn 54 degrees and see Kay. Which two were the furthest apart? A) ...


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