Algebra, help + check please

106,764 results, page 99

  1. Algebra 2

    What is three root 1/3 ? I'm not sure if that looks right in words, but I don't know how to post the square root symbol. If that doesn't make sense, then pretend that this sign: % is a square root: 3 %1/3 The 3 looks like it's a little above it. Please help me. It's Radical ...
  2. Algebra II

    You have a 12 gallon bucket filled with water, and empty 7 and 5 gallon buckets. Without using any other measuring devices, and without estimating a half-way point on the buckets, how can you equally divide 6 gallons of water into 2 of the buckets. PLEASE SHOW WORK
  3. Algebra

    3. There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show your work. Help! I'm ...
  4. algebra

    Please write an equation for the following problem. : dave sells popcorn at the ballpark. He is paid a flat rate of $40 each day but, also earns $0.45 for each box of popcorn he sells. Dave earns a total of $112 at wednesday nights game. How many boxes of popcorn does he sell?
  5. pre algebra

    f(x)=9x+7 The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. help why is the answer negative infinity, infinity? thank you so much...please explain in plain terms...
  6. English

    Q: What can you do for the school? 1. I can clean the floor of my classroom. 2. I can clean the floor of the hallway of my classroom. 3. I can clean the stairs with a mop. 4. I can pick up trash on the flower pots and on the playing field. 5. I can win first place by playing ...
  7. English

    1. I will go to Haeundae Beach to take a walk at the beach. 2. I will go to Haeundae Beach to take a walk on the beach. (Which preposition do I have to use? At or on? Are both OK?) 3. I will iron my clothes in the bedroom. 4. I will mop the floor and clean the floor with wax. ...
  8. Spansh #2 (URGENT)

    Can someone please check my work? Julieta's friends all have different personal tratis. Complete the sentences below using the verb in parenthesis. 1. Maria <es> intelegente. (ser) 2. Julio y Marcos <están> en Ecuador. (estar) 3. Norma y yo <estamos> ...
  9. History help

    I need help on these true/false questions. if false, i have to write what the correct word is. i need help in being steered towards the right answer! 1. the process of handing out jobs to ones supporters is known as "citizen system" 2. racial seregation in public accomations ...
  10. English

    Could you please check if the following fill-in-the-blank activity is possible? 1. The woman denied __________ (be beaten) by her husband. 2. She admitted __________ (be abandoned) when she was a child. 3. He stopped __________ (drink) a glass of water and then he went home. 4...
  11. Help

    Im trying to study but I need to know what (adverb phrases) are? 1.Please tell me what they are? 2.Please tell me how to identify them in a scentence? Please don't give me a link with a huge text of extra stuff...I just want to know how to identify them and what they are. I ...
  12. Math, please please help

    The base length of each square-based prism in the pedestal design is 3cm less than that of the layer immediately below. a) Write an algebraic expression for the total of the top surface areas of the three prisms used to make the pedestal. x x x 2x+5 2x+5 Please help, i am so ...
  13. Physics -- check answers please

    Use g=10 N/kg in this assignment. 1. What is the gravitational energy (relative to the unstretched surface of the trampoline) of the 20 kg ball at its apex 2 m above the trampoline? I got 400 J 2. What is the kinetic energy of the ball just before impacting the trampoline? I ...
  14. U.S. History

    please check these: 1. The First Continental Congress voted to a. end the boycott of imports from Britain b. call for the formation of colonial militias c. imprison all British tax collectors d. adopt the Declaration of Independence i picked B 2. the Revolutionary war began ...
  15. algebra help please

    Mixture Problem... An auto tech needs a radiator to have a 40% antifreeze solution. The radiator currently is filled with 4 gallons of a 25% antifreeze solution. How much of the antifreeze mixture should be drained from the car if the mechanic replaces it with pure antifreeze?
  16. Algebra

    Which choice could be the equation of a line parallel to the line represented by this equation? 7x− 12y = −32 A. y = 12/7x - 3 B. y = -7/12x + 5 C. y = 7/12x - 9 D. y = 7x - 12 can someone please give me a step-by-step on how to do this? i'm having a bit of trouble...
  17. Algebra 1

    How many solutions does this system have? y=x+5 y=−5x−1 A. One B. None C. Infinite D. Two** Which best describes a system of equations that has infinitely many solutions? A. Consistent, independent B. Inconsistent, dependent C. Consistent, dependent D. Inconsistent** I'm ...
  18. English

    I will check your reading activity with a gun on the screen of this laptop. (A gun is a selecting program on the computer.) When a number shows up on the screen, the student should come up here and read one part aloud. This reading text is divided into 4 parts. Draw your ...
  19. math

    Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c. The last ten d. The ...
  20. Chemistry [back-titration] - please check my sol'n

    A 7.00 gram sample containing the mineral tellurite was dissolved then treated with 70.0 mL of 0.03114 M K2CrO7. 3 TeO2 + Cr2O7 ^2- + 8 H+ -> 3 H2TeO4 + 2 Cr3+ + H2O When reaction is complete, the excess Cr2O7 2- required a 14.05 mL back titration with 0.1135 M Fe2+. ...
  21. English

    1. Baozi is a steamed bread stuffed with meat, vegetables and red beans. 2. Meat pie is a kind of bread baked with meat and vegetables. Meat pie started in the UK. Usually, people in Australia enjoy eating meat pie. 3. Otak-otak is fish cake made with grinded fish wrapped in ...
  22. English

    1. Twenty years is a long time. 2. twenty years is a long period. 3. 100 kg is very heavy. 4. 100 kg is a heavy weight. 5. Two hundred dollars is a lot of money for me. 6. Two hundred dollars is a great/good sum of money. 7. Twenty miles is a long distance. 8. Twenty miles is ...
  23. ALGEBRA-Help please

    Mrs. Scott decided that she would spend no more than $120 to buy a jacket and a skirt.f the price of the jacket was $20 more than 3 times the price of the skirt, find the highest possible price of the skirt. How to set up this
  24. Geometric Series (Algebra 2)

    I need some assistance or a formula when trying to find the first term of geometric series please! I don't understand this!!!! What is the first term of a geometric series with a summation of 289, 5 terms and a common ratio of 1/2?
  25. Chemistry(Please check, thank you!!)

    For my rate of reaction experiment I have to answer the question "why did we ask you to measure the room termperature and temperature of reaction solutions". For the experiment we used 5 flasks and we put one of them in an ice bath at 6-10 degrees C. My answer is that we ...
  26. Maths

    Hi, I have to produce a sketch of a line that passes through the points (4,3) and (10,0), i have already worked its gradient out to be -0.5 and its y - intercepts as 5. For some reason i am having a mental block on the next bit! I need to add the line y = 6 to the sketch and ...
  27. algebra 1 stat question

    fastest recorded speeds of various large wild cats (miles per hour) 70,50,30,40,35,30,30,40,15. The standard deviation of is 14.01 and the mean is 37.7 I have created a dot plot of the data and now I need to find out within how many standard deviations of the mean does all the...
  28. algebra

    The table shows a meteorologists predicted temperatiures for an April day in Washington D.C. Use quadratic regression to find a quadratic model for this data. Use the 24 hour clock to represent times after noon). time predicted temperature(F) 8a.m. 50.68 10a.m. 62.24 12p.m. 69...
  29. algebra

    A parabolic microphone has a cross-section in the shape of a parabola. The microphone is placed at the focus of the parabola. If the parabola is 20 inches wide and 5 inches deep, how far from the vertex should the microphone be placed? Can someone please help.
  30. Math

    53 baskets were scored at the game. Jimmy scored 5 less than Trent. Trent and Justin scored the same amount. Evan scored ten more baskets than Trent. How many baskets did each boy get? Use algebra. please help, thanx:)
  31. Pre Algebra

    Paula sold 35 packages of wrapping paper for this year’s Booster Club fundraiser. This is one less than twice the number of packages that she sold last year. How many packages did Paula sell last year? Please help...
  32. English

    Can you please check these sentences for me, please? Thank you very much. 1) Jason and Mark came quietly into the café. They went to a table and sat down. Then they called the waiter politely. The waiter was their school friend Mickey. Mickey says they called him rudely. ...
  33. Algebra II

    I asked this question yesterday, but I wasn't clear about the response. Could someone please explain it again? A searchlight is shaped like a paraboloid of revolution. If the light source is located 2 feet from the base along the axis of symmetry and the opening is 5 feet ...
  34. Social Studies (Please check these)

    1. How was the structure of state government changed under governor Governor Carroll Cambell? a. Big departments were divided into hundreds of boards and commissions. b. The General Assembly gained direct control of state agencies. c. The governor gained more direct control ...
  35. Math 7 - NYS Math Exam Review - Book 1 (HW)

    C = 2nr!?!??!??! Since the NYS Math Exam is coming up (in my district in my school we have it next week). You see in my class were not done with our geometry and ratio, proportion unit and plus we are missing one unit: algebra. We didn't get to solving the formulas. Ratio and ...
  36. Grammar and Composition

    Please check these: Put parenthesis around the prepositional phrases and CAPITALIZE the prepositions. then list two other prepositions that could be used in the sentences. 1. We walked (TO the park.) -around the park -inside the park 2. I found my pencil (UNDER the chair.) -...

  38. reading/language please check

    *principle or principal(do these make sense?) -She was a person of strong PRINCIPAL. -The PRICIPALS sat together at the district confrence. -How much of the total in my savings account is PRINCIPAL? -His hay fever was the PRINCIPAL reason for his sneezing. -It's not the facts ...
  39. Algebra

    If x^2+bx+c is factorable and c is negative, then the signs of the last term factors of the binomials are opposite, why? I x^2+bc+c is factorable and c is positive, then the signs of the last term factors of the binomials are the same, Why? Am not understanding this. could ...
  40. Algebra

    Which of the following expressions is true? A)4^3 x 4^4 = 4^12 B)5^2 x 5^3 > 5^5 C)3^2 x 3^5 = 3^10 D)5^2 x 5^4 < 5^8 Which of the following expressions is true? a)2^4 x 2^3 = 2^12 b)3^3 x 3^6 > 3^8 c)4^2 x 4^2 > 4^4 d)5^2 x 5^2 = 5^10 Which one is correct? 6^2 x 6...
  41. english

    Can you check my poem if it has 10 syllables per line and any other mistake? and thank you. You just didn’t know how much I loved you How hard I tried and you still didn’t know How close we were was something oh so true I don’t think it was right for you to go The things...
  42. Algebra1

    Please check these for me. 11. Find: 32 out of 38 in percentage 84.2% 12. Find: 41 out of 51 in percentage 80.3% 13. Find: 69 out of 70 in percentage 98.5% 14. Find: 32 out of 110 in percentage 29% 15. Find: 41 out of 40 in percentage 102.5% Thank you
  43. English-(PLEASE CHECK)

    Does George think the new job will last a while? My Answer- Yes. What clues does he give? He says that they are not like the other guys. OR....... No, because he knows what Lennie could do, like in Weed. He knows Lennie's a lot of trouble and that he'd be better off w/ out him...
  44. English

    1.Choose a movie or a performance you saw recently and write down your story in the blanks. I like watching movies. I saw Titanic. I think it was fantastic. 2. Based on the summarized above, write down your movie report /write down your impression about it. After Watching ...
  45. alebra

    please check my answers. 2: how is the graph of y=-6x^2+4 different from the graph of y=6x^2 A: it is shifted 4 units to the left B: it is shifted 4 units to the right C: it is shifted 4 units up**** D:it is shifted 4 units down 3: A model rocket is launched from a roof into a...
  46. Help!!=( I'm lost in Confussion!! )=

    What are some animals that live in the Steppe??? Please Help Me!!!! Check this site for a few of the animals that live in the steppes.

    CAN YOU CHECK THESE PLEASE: 1.We followed the protocols precisely with test results yielding further opportunities for experimentation. Rewrite: The test results of the protocols no longer will permit opportunities for future experimentation. 1.Customers' complaints have been ...
  48. English

    Could you please check these sentences, please? Thank you. 1) It is evening and the action takes place in Eveline’s living room. Darkness and dust characterize the room. 2)In the past Eveline and the other children used to play and shelter by vigilance (I need a synonym) ...
  49. English

    Could you please check these sentences, please? Thank you very much for your invaluable help. 1) This TV programme concerns young people with discipline problems. They are sent to different parts of the world and live with families with very strict parents. 2) The first ...
  50. Java Programming

    Hey! Thanks for checking my question out! ____ 10. If x is a sorted array of int values, which of the following shows a call to a method of the Arrays class that will determine if the value 7 exists in the array? (1 point) a) int loc =, 7); b) int loc...
  51. English 101

    My question is to correct the faulty parallelism.How can we do that. "The streets were not only too steep but also were too narrow for anything other than pedestrian traffic." The structure is parallel. Perhaps the second were isn't needed. Please check back here because ...
  52. Statistics

    In the Federal Trade Commission (FTC) \Price Check" study of electronic checkout scanners, the FTC inspected 1,669 scanners at retail stores and supermarkets by scanning a sample of items at each store and determining if the scanned price was accurate. The FTC gives a store a...
  53. French

    Could you please check these answers thanks so much. Directions: give own answers 1. Qu' est-ce que tu fais comme langues? Du français? De l'espagnol? Answer: Je fait du français. 2. Et tes copains, qu'est-ce qu'ils font comme langue(s)? Answer: Ils font de l'espagnol. 3. Qu...
  54. Spanish 2

    Double Object Pronouns. Sustituya (Substitute) los complementos directos e (and) indirectos por sus respectivos pronombres. Modelo: Alberto le sirvió café a Jimena. Alberto se lo sirvió. Can you please check my anwsers for these sentences? Gracias! 1.Ricardo le pidió ...
  55. English

    Please check this for me thanks so much for your time :) Write a letter To Mark Jones regardng your finanical hardships you are facing since you have been out of work due to a car accident. Make sure you give as many details as you can. June 17, 2008 Dear Mr. Jones I am ...
  56. algebra

    The 2842-seat performing arts center has three sections-orchestra, mezzanine, and balcony. The mezzanine has one-sixth fewer seats than the orchestra. How many seats are in the balcony if the orchestra has 1,218 seats? Please show me how to set up the equation.... thanks
  57. Algebra Word Problem

    I NEED HELP PLEASE!!!!!!!!!! Elena bicycles 7 km/h faster than Dennis. In the same time it takes Dennis to bicycle 60km, Elena can bicycle 81km. How fast does each bicyclist travel. Dennis travel_____ km/h Elena travel ______ km/h
  58. Algebra

    Rod and reel inc. manufactures and sells fishing rods. The company uses the equation P= 25r - 12,500 to estimate its profit P on the sale on the fishing rods. How many fishing rods were sold if the company made a profit of 125,000? Please help. Thank you
  59. Algebra

    The diameter of the moon is about 3476 kilometers. The distance from earth to moon is about 384,400 kilometers. About how many moons could be lined up in a row between earth and the moon? Round to the nearest whole number. Please help answer thanks
  60. Algebra

    The function y = –0.296x^2 + 2.7x models the length x and height y that your sister's pet rabbit can jump, in centimeters. How high does the rabbit jump? One the rabbit reaches the ground what is the total length of the jump? I got 4.6 cm high, and 6.2 cm long. Is this ...
  61. Algebra

    A carpenter drills 5 equally spaced holes in a 56 3/4" long piece of wood. The two end holes are an equal distance from the center. If each hole is 7 1/2 inches apart, what is the distance from each end of the wood to the nearest ens hole? Please explain Thanks, Mark
  62. algebra

    Use the five steps for problem solving to answer the following question. Please show all of your work. The average of two quiz scores is 81. If one quiz score is six more than the other quiz score, what are the two quiz scores?
  63. Math

    I haven't done factoring in ages I'm trying to factor this X^2 - 2X + 8 If i remeber correctly sense the leading coefficent is 1 the factored form is in this format (X-A)(X-B) which would give you X^2 -AX - Bx + AB or simply X^2 -(A+B)X +AB so then in my problem -(A+B)X = -2 ...
  64. calculus

    find the circular cylinder of greatest volume that can be inscribed in a right circular cone with altitude 20 cm and diameter of base 10 cm. please answer in detail ..... so at a height h, the radius is 5(1-h/20) check that. VolumeCone= PIr^2 H = PI h * 25(1-h/20)^2 find dV/dh...
  65. spanish/check please

    choose the best words A ver, ( primer,primero), me diez cosas o mas antes de llegar a la escuella en la manana. answer: primero (seguanda, segundo ) , me levanto answer :seguando la ( tercera, tercer)accion es banarme. answer:tercera ( septimo, septima) , me lavo los dientes. ...
  66. English

    I'd like you to check these other sentences please. Thank you very much. 1)The train is going to take eight hours to get to Rome. 2) The train journey is going to last eight hours. 3) We are flying back to Milan on 12 July. Our parents are going to pick us up at Milan airport...
  67. Spanish-SraJMcGin please check

    I had asked a question the other day but I'm not sure if I'm understanding this- it was a comparison-You said this as a comment: Spanish-8th grade - SraJMcGin, Thursday, October 20, 2011 at 4:02pm 3. also = de las tres actividades Also, #3 is different because it is not an ...
  68. Algebra 2

    Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series 3 + 10 + 17 + 24 + ... a. Use summation notation to write the series, give i.the lower limit of the sum ii.the upper limit of the sum iii.the explicit formula of ...
  69. Algebra: Statistics

    Five years ago, you bought a house for $151,000, with a down payment of $30, 000, which meant you took out a loan for $121,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the following information. Escrow...
  70. Algebra

    In my algebra b ook it says if a is less than 0, the absolute value of a is negative. But I thought absolute value was always positive! Is this a goof or is there some truth to this?
  71. Math page 167 algebra did you hear about...

    Hi I need help with this one problem. It's on page 167 algebra with pizzazz. It has to use the addition method. 3x-5y=7 5x-2y=-1
  72. algebra

    can someone plz tell me the answers for Lesson 1: Semester Review CE 2015 Algebra 1 A, Part 1 Unit 5: Semester Review and Exam, the practice
  73. math/prealgebra

    what are the actual definitions to the word algebra itself? algebra? cubed? counter example? function table? function rule? can you help me find these definitions?
  74. science

    When you first release the contraption and the egg, the force of gravity is pulling on the egg as it going to the ground. Which the force of the air resistance is trying to push up on the egg. The net force of the falling egg is equal to the air resistance. As the speed is ...
  75. subordinate groups

    Directions: Identify and describe inf any of these creations and consequences situations the grip has faced: *Creation:Migration,annexation, or colonization *Consequences:Extermination,expulsion,secession,segregation,fusion,or assimilation The group I'm dealing with is mexican...
  76. Algebra help please

    Simplify:  4sqrt400/4sqrt80 Show your work. 4sqrt400/4sqrt5 = 4sqrt80 4sqrt80=4sqrt16 * 4sqrt5= 2*4sqrt5= 2^4sqrt5 Is this right ?
  77. AP Physics

    In a period of 2s, 4.8E23 nitrogen molecules strike a wall area of 8.6 cm^2. If the molecules move at 308 m/s and strike the wall head-on in a perfectly elastic collision, find the pressure exerted on the wall. The mass of one N2 molecule is 4.68E-26kg. Answer in terms of kPa...
  78. Algebra

    That is not what the ? is asking. The ? is asking about how to get the quotient function, not the composite as you solved for. Can you please show us how to get the quotient function solution? Thanks! I need to find the Quotient Function of the following: Given that f(x)=x^2-3...
  79. Pre-Algebra

    If 4 liters of motor oil cost $3.88, what is the price for 1 liter? I'm supposed yo set up proportions. This is how I set it up: $3.88/4 liters • 1 liter/p p= the price for 1 liter Please tell me if I set it up right and how to solve.
  80. math help please check my answer

    Joel scores in 80% of his games. They are starting the playoffs and if they make it to the state championship, they will have played 5 games. Joel wants to determine the probability that he scores in 4 of the 5 games. Joel sets up his simulation using a table of random digits ...
  81. Spanish-check answers please

    The directions are to use affirmative tu commands to fix the following: 1) el perro tiene hambre 2) hay mucha basura en la cocina 3) los platos estan sucios 4) la alfombra estan sucios 5) el coche estan sucios 6) hay polvo en las mesas My answers are: 1) Juana, come al perro. ...
  82. Chemistry Urgent Help and Check Please!

    a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml. Is the aqueous layer the lower or the upper layer. How could you easily test this. ----- Ethylchloride is less dense so it is the top layer Ethylene...
  83. ELA

    "I THINK I CORRECT ANSWER IS D " can someone please check ......... Which of the following quotes spoken by Romeo shows the strongest example of how he changes over the course of Romeo and Juliet? A . “Sleep dwell upon thine eyes , peace in thy breast! / Would I were sleep ...
  84. algebra

    in solving the equation (x +2)(x - 2) = 32 eric stated the solution to be x + 2 = 32 => x = 30 or x- 2 = 32 => x = 34. however at least one of these solutions fails to work when plugged back into the equation. why is that? please help eric to understand the problem ...
  85. Algebra HELP ASAP

    CURRENTLY 6 LESSON DAYS BEHIND AND VERY DEPRESSED/STRESSED!! You are making a rectangular table. The area of the table should be 10 ft^2. You want the length of the table to be 1 ft shorter than twice its width. What should the dimensions of the table be? Okay, so, I'm not ...
  86. Math/Pre Algebra HELP ME!

    1. What are the coefficients in the polynomial 5x^2 + 2x - 4? A. 5,2 B. -5,2 C. 5,2,-4 ** D. 5,-2,-4 For questions 2 and 3 add or subtract. 2. (m^2 - m - 4) + (m - 5) A. m^2 - 2m + 9 B. m^2 + 2m - 9 C. m^2 - 2m - 9 ** D. m^2 - 9 3. (5x^2 + x - 3) - (-2x^3 + 4) A. -2x^3 + 5x^2...
  87. Math pre-Algebra please help

    1 Jamal writes the letters K-A-N-S-A-S on cards and then places the cards in a hat. What is the probability an N? 1/3 1/5 5/1**** 6/1 2 Jennifer writes the letters M-O-N-T-A-N-A on a cards and then places the cards in a hat. what is probability of picking an N? 2/7 3/7 1/3 2/3...
  88. Chemistry please check

    1. All of the naturally occurring radioactive decay series end when the radioactive elements have decayed to bismuth (Bi) hydrogen (H) lead (Pb) uranium (U) answer: Uranium (U) 2. This type of radiation can easily pass through a human. gamma ultra-violet beta alpha answer: ...
  89. physics(Please check)

    Vector A has a magnitude of 3.0 m and direction 1o3 degrees relative to the positive x-axis. Vector B has magnitude 5.0m and direction 215 relative to the positive x-axis. 1) The resultant R=A + B has magnitude? I did Rx= 3 cos 103 + 5 cos 215 Ry=3 sin 103 + 5 sin 215 Then ...
  90. algebra

    Can you use algebra to find a quadratic equation if your know the coordinates of just ONE point on its graph? Can you use algebra to find a quadratic equation if your know the coordinates of just TWO points on its graph? If so, what information is needed?
  91. math

    6. George is a 35 Kg 8 yr old who is ordered to receive Ancef 1 Gram IV Q 8hrs. The SDR for Ancef is 50-100mg/Kg/day. Determine the SDR for George? 35 ( 50 ) - 35 ( 100 ) mg / day ; 1750 - 3500 mg/ day 6. Is George’s dose of Ancef within SDR? Pt recvs 3000mg or 3 Gm / day ...
  92. Math

    6. George is a 35 Kg 8 yr old who is ordered to receive Ancef 1 Gram IV Q 8hrs. The SDR for Ancef is 50-100mg/Kg/day. Determine the SDR for George? 35 ( 50 ) - 35 ( 100 ) mg / day ; 1750 - 3500 mg/ day 6. Is George’s dose of Ancef within SDR? Pt recvs 3000mg or 3 Gm / day ...
  93. Physics

    When you lift a ball with a force of 82N, the ball accelerates upward with an acceleration of a. If you lift with a force of 92N, the balls acceleration is 2a. Find the weight of the ball, and the acceleration a. I tried solving this via substitution algebra, but the answer ...
  94. algebra HELP PLEASE

    A city is considering building a commuter train. The steepest section of track has a fall of 72.8 feet for a horizontal distance of 280 feet. What is the grade of this section of track? The downgrade of this section of track as a reduced fraction is? Converted the fraction to ...
  95. algebra

    8-(3/8)k=-4 Now try to learn the basic steps of algebra. Subtract 8 from both sides. Why can we do this? You would then divide both sides by -3/8 to have k by itself on the lefhand side.
  96. Algebra

    Seven times the difference of six and a twice a number yields the same result as the same number decreased by one. How does this translate into an algebra statement?
  97. Boolean algebra

    Simplify this function using Boolean algebra laws? I am stuck on this part of my homework (x2'x1'x0') + (x2'x1x0) + (x2x1x0') I know you have to use distributive laws to do this. Any help is appreciated. Thank you.
  98. pre-algebra

    I am actually in 6th grade but I really want to learn more about pre algebra. I was given a task to solve the question of y=9x+3*7 and i don't get what to do. Should I graph? Or solve for y?
  99. Algebra

    This question never got answered and I would appreciate it if someone could take a look at it. Simplify 12(6^/(5^-4^) + 7 My thoughts 12(36/(5^-4^) + 7 12(36/9) + 7 12 (4) + 7 12 * 11 132 Algebra - Steve, Saturday, August 23, 2014 at 11:49pm Your notation is weird. 5^-4 = 1/5^...
  100. English

    1. When I was young, I was not able to ski. After I took ski/skiing lessons for three months, I became a good skier. Now I am able to ski well. (Will you check this passage? Are the sentences grammatical? Do we have to use 'ski lessons' or 'skiing lessons'?) 2. When I was ...
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  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
  56. 55
  57. 56
  58. 57
  59. 58
  60. 59
  61. 60
  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
  70. 69
  71. 70
  72. 71
  73. 72
  74. 73
  75. 74
  76. 75
  77. 76
  78. 77
  79. 78
  80. 79
  81. 80
  82. 81
  83. 82
  84. 83
  85. 84
  86. 85
  87. 86
  88. 87
  89. 88
  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99
  101. 100