Algebra, help + check please

106,080 results, page 96

  1. algebra

    Please help with this problem: An ellipse and a hyperbola have the same foci, $A$ and $B$, and intersect at four points. The ellipse has major axis 50, and minor axis 40. The hyperbola has conjugate axis of length 20. Let $P$ be a point on both the hyperbola and ellipse. What ...
  2. history? help

    Which of the following statements describes civil law? (1 point) It deals with crimes against society. Civil offenses are punishable with prison time. It deals with the relationships between individuals. Legal action for civil offenses is initiated by the state.*** Which of ...
  3. Physics please check

    A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open at the top. Friction is absent. The spring constant of the spring is 4000 N/m. The piston has a negligible mass and a radius of 0.022 m. (a) When air beneath the piston is ...
  4. Algebra

    marie730 the temperature at the end of the day was 64 degrees. the temperature has increased twice during the day,once by 8 degrees and another time by 4 degrees which expression shows what the temperature was at the start of the day 64-8-4 64+8-4****** 64-8+4 78+5+7 Please help
  5. Chemistry Check Please!

    A solution is prepared by dissolving 3.44 g of sucrose, C12H22O11, in 118 g of water. a) What is the molality of the resulting solution? b) What is the mole fraction of water in this solution? B) moles of h2o=118g/18(g/mol)=6.5556 mol moles of c12h22O11= 3.44g/342.3(g/mol)=0....
  6. math-algebra

    Find three different ordered pairs that are solutions of the question x=2 and you have to use -1,0,1 for thje subsitut of y or x i don't so confused please help i don't know the ansrer math is hard I can see why you are confused-- so am I. If x = 2, that is just a ...
  7. algebra

    simplify the expression. Use only positive exponents. 8x^2y^-2/x^-2y * (4xy^2)^-1/x^2y Something does not seem right in your terms. Are you saying that 8x is being taken to the 2y power and that all this being taken to the -2x power? Please clarify your terms, and we will do ...
  8. intermediate algebra

    Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. show your work. use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the graph (if any) y= -log5...
  9. algebra

    Please help, very lost Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the domain and the range of the function...
  10. Algebra

    please help me im confused. Every item in the Just a Dollar store is priced at $1.00. When Mary Jo opens the store, there is $122.00 in the cash register. When she counts the money in the cash register at the end of the day, the total is $1,065.95. If the sales tax rate is 8.5...
  11. Algebra help thx

    Pani says she should get $3 discount on the price of each shirt and $3 discount on the price of each pair of jeans. Part 1 write and simplify an expression to find the pint she would pay if this is true. Part 2 if you were the shop owner, how would change the sign? Please answer
  12. College Algebra (pt.2)

    Hey, I would love if someone could please look over my answers. I just learned this yesterday and want to make sure I did my hw correct. Thanks!!! Solve for x. Round answers to four decimal places where appropriate: 6. ln(5x-3)=0 ans= x=3/5 7. log5^x=3 ans= x^3=5 8. log2^32=x ...
  13. math

    jen can run at 7.5 m/s and mary at 8.0 m/s. on a race track jen is given a 25 m head start, and the race eds in a tie. how long is the track? let x = distance run by jen. x + 25 = distance run by mary. time jen = d/r = x/7.5 time mary = d/r = (x+25)/8 Since they arrived at the...
  14. Please Please help! English

    Which of the following sentences DOES NOT illustrate subject- verb agreement. 1.Each of the players need a locker. 2.He said that the computer is broken. 3.There go the members of the cast. 4.We knew that rivers flow south. 1.Each of the players need a locker. 2.He said that ...
  15. Algebra 1- Please Help !!!!!!!!:D

    roberta sold fifty tickets for the school play. Roberta sold ten more student tickets than adult tickets. How many tickets did roberta sell?
  16. Algebra

    Please look at the following simplification of an algebraic expression. Which line contains the mistake and why? Line 1: (2x + 6x) + 4y + 3x - 2xy Line 2: (8x) + 4y + 3x - 2xy Line 3: 8x + 3x + 4y - 2xy Line 4: 11x + 4y - 2xy Line 5: 13xy
  17. Global Studies (check please)

    The belief, shared by many Americans, that the United States had a right to own all the land from the Atlantic to the Pacific was called a. America's Right ***** b. Manifest Destiny c. The Inheritance d. Free Will Which of the following was neither part of the Confederacy nor ...
  18. chemistry

    In the chemical plating experiment zinc powder is dissolved in a hot NaOH solution to form sodium zincate according to the following reacton: Zn(s) + 2NaOH(aq) Na2ZnO2(aq) + H2(g) Answer true or false for each of the following statements regarding the reaction above. Zn(s) is ...
  19. English

    1. I use the computer to make files with Power point. 2. I use the computer to do paper work with the word processor programs such as Hangeul, Power point and Excel. 3. I use the computer to buy things at Auction, an on-line shop. 4. I use the computer to learn English from ...
  20. Calculus check and help

    Let R be the region bounded by the curves y=lnx^2 and y=x^2-4 to the right of the y-axis. A. Find the area of R. B. Find the folume geneated when R is rotated about the line y=-4. C. Write, but do not evaluate the integral expression that gives the volume of the solid ...
  21. social studies

    what main reason did congress initially refuse to annex texas If the united states annexed texas it would almost certainly cause a war with mexico *** If the united states annexed texas it would enter as a free state and anger southerners If the united states annexed texas ...
  22. 7th grade math Ms. Sue please

    2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block? (1 point) 1 foot 2 feet 3 feet 4 feet 3. Which of these numbers can be classified as irrational? (1 point) 1 over ...
  23. Algebra (check answers plz)

    Find the slope of the line that contains the two points (3,2) and (1,-4). m = - 3 m = - 1/3 <-- ? m = 3 m = 1/3 Find the slope of the line that contains the points (-2, 4) and (-4, 6). m = -1 m = 1 <-- m = - 1/3 m = 1/3 Find the equation of the line that passes through ...
  24. For <b>marie flore joseph</b>

    Please do not add your new question as a response to somebody else's post. click on "Post a New Question" above to post your problem. Here is your question : Math - marie flore joseph, Monday, April 5, 2010 at 10:37pm the difference of the squares of two consecutive odd ...
  25. Algebra

    A word processing station was purchased by a company for $10,000. After 4 years it is estimated that the value of the station will be $4000. If the value in dollars V and the time the station has been in use t are related by a linear equation, find the equation that relates V ...
  26. Algebra

    Rod is a pilot for Crossland Airways. He computes his flight time against a headwind for a trip of 2900 miles at 5 hr. The flight would take 4 hr and 50 min if the headwind were half as great. Find the headwind and the plane’s air speed. Please help me solve. I'm unable to ...
  27. examinations

    how long does it take to study for the algebra regents? do you think i can study for it in a month? I have taken the first 9 chapters of the barrons book and also studied for the shsat and passed but, will one month be enough for me to study and get at least a 95 and ...
  28. algebra

    please help me for this not good in math.the challenge involves in dealing with the owner is to use a 20 meter fencing material to build a pig pen so that the owner will not be buying any additional materials considering also that one side of the pen is the outside ...
  29. Algebra 1

    If Jeremiah takes 1/8 of the birthday cake, and Chabreal takes 16%, who takes more? Show you're work and conversions. -Algebra 1.
  30. Algebra 2

    solve the equation: log(base2)^(x-3)log(base2)^5 = 2log(base2)^10 I don't know how to solve it, can someone help me? Please and thank you.
  31. Math

    Can someone please check to see if I got these right. A store receives $400 cash after offering a chain discount of 10/10/5 on a good. What was the list price? $492.20 $519.82 $533.33 $612.00 Answer: $533.33 A merchant buys a good for $275. Their store's operating expenses are...
  32. Chemistry-Could you check this, please?

    I have a balloon that contains 22 grams of Carbon dioxide. The barometric pressure is 1019 millibars which I converted to 1.006 Atm and the temperature is 299 "K". What is the volume of balloon? I used the ideal gas law to find out the volume in liters of the balloon. Is my ...
  33. Spanish 6 th grade-Please check

    I have three questions-Which sentence is written correctly? Es un buen clase. Es un buena clase. Es un buena clase. I think it is Es un buen clase. Is that correct? Second question- The term pelota refers to any kind of sports ball. Pelota is a ball but what is confusing me is...
  34. College Algebra

    Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic or do it by synthetic division. Solve that ...
  35. please check history

    Two powers of Congress. 1. declare war 2. pass laws Two powers of the President: 1. make treaties 2. appoint ambassadors Three types of Federal Courts: 1. District Courts 2. Court of Appeals 3. The Supreme Court and then I just have one extra question that I did not get: The ...
  36. chemistry

    A Work-Study student was hired to check and test some new CHEM 2020 experiments. One task was to check the reproducibility of the polarimeter. She was asked to repeat the resolution experiment by exactly the same procedure three times in order to estimate the experimental ...
  37. Math

    2. Rename .709 as a percent. a. 709% b. 70.9% * c. 79% d. 7.09% 4. Alice plays basketball. In one game she shoots 21 free throws and makes 81.25% of them. Estimate how many free throws she makes. a. about 16 b. about 2 c. about 20 d. about 14 5. Estimate 48% of $20.00. a. ...
  38. Physical Science

    Hello! Thanks for checking my question out! ____ 4. Water is a compound because it (1 point) a) can be broken down into simpler substances. b) always has two hydrogen atoms for each oxygen atom. c) is made of water atoms joined together. d) both the first and second choices ...

    If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
  40. Algebra

    If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
  41. algebra

    If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
  42. Physics

    A. Calculate the force on an alpha particle in an electric field E=Exm where E=3.6E4 N/C and x is a unit vector in the x direction. What is the direction of the force? B. Calculate the acceleration of the alpha particle in this electric field. What is the direction of the ...
  43. Math

    Can someone please check my work for me? Write an equation of the line satisfying the given conditions. 9) Intersects the line y = 2 + 3x at infinitely many places. 9) A) y = -3x + 2 B) y = 2x + 3 C) y = -1/3x + 2 D) y = 2 + 3x Is the answer A Use the discriminant to determine...
  44. Algebra

    Use algebra to evaluate the limit lim h->0((2−h)^2−8)/h
  45. college algebra

    I don't understand the steps for doing synthetic division in college algebra
  46. Question

    @Alex asked this question when I was on earlier: Let line l_1 be the graph of 5x + 8y = -9. Line l_2 is perpendicular to line l_1 and passes through the point (10,10). If line l_2 is the graph of the equation y=mx +b, then find m+b. I'm wondering like how everyone did it and ...
  47. english

    I have to write a eulogy for Juliet. And every sentence have 10 sylables can you check my work please. Juliet was good,young,and full of love she was born a short 13 years ago. she was always polite,never talked back, she was in love too much with Romeo. And to be with him she...
  48. Visual Basic (Computer Programming)

    ALGORITHM EXERCISES 1. Wilma Peterson is paid by the hour. She would like a program that both calculates and displays her weekly gross pay. For this exercise, you do not need to worry about overtime pay, as Wilma never works more than 40 hours in a week. Desk-check your ...
  49. Chemistry

    I need someone to check these True or False questions for me please: 3. Dissolving salt in water is a physical change- F 14. Burning newspaper is a physical change- F 19. The liter is a measure of volume- T 20. The amount of heat and temperature of a substance are the same- F ...
  50. alg 1 college

    can you guys please help me wwith a math problem, its asking to solve this equatoion, sqare root5x-4=3x-18. to fkire off first 5x-4= 3x-18 squared. foil thatand you are looking AT 9x squared -54x -54x+324/ add the -54 to 108x.then shoot the 5x to to the 108x and subbtract 5x ...
  51. algebra (check answer)

    The diameter of a valve for the space shuttle must be within 0.001 mm of 5 mm. Write and solve an absolute-value equation to find the boundary values for the acceptable diameters of the valve. | d - 5.000| = 0.001 d - 5 = 0.001 d * 1000 - 5 * 1000 = 0.001 * 1000 1000d - 5000...
  52. Math.

    1. Find the area of the given circle. Round to the nearest tenth. *theres a picture of a circle and the radius is 3.5* A. 22.0 cm *squared* B.38.5 cm *squared* C. 11.0 cm *squared* D. 42.8 cm *squared* 2.Find the circumference of the given circle. Round to the nearest tenth. *...
  53. Economics

    Could you please check these thanks. Directions match each item with the correct statement. Not all terms are USED. Here are the words to fill in the blanks. business planning demand curve complements elastic demand expensive goods demand marginal utility expectations market ...
  54. 8th grade algebra

    Can you check my answers? 1. 3√20/√4 = 3√(5)(4)/2 = 3(2)√5/2 = 3√5 2. 4√15/√9 = 4√15/3 3. √12/√16 = √4(3)/4 = 2√3/4 = √3/2 4. √10/√5 = √2 5. √15/√20 = √(5)(3)/&#...
  55. Algebra Please Help

    I have read and read this promble and I just am not understanding it, could some one please help. I have been out of school for a long time. The length of the Statue of Liberty's index finger is 8 feet while the height to the top of the head is about 111 feet. Suppose your ...
  56. Algebra Help PLEASE

    How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use...
  57. Algebra 1A

    From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...
  58. College Algebra

    Please explain in detail so I know for next time. Two angles are complementary. The sum of the measure of the first angle and one-fourth the second angle is 62.25 degrees. Find the measures of the angles. What is the measure of the smaller angle? What is the measure of the ...
  59. Algebra: Help Please

    For the given function, compute the missing values in the following table. f(x) = 8x i got the negatives wrong, but I know how to solve for it. Is there a reason it is wrong? -3: -1/512 -2: -1/64 -1: -1/8 (^These were wrong, but I don't know how to solve it) 0: 1 1: 8 2: 64 3...
  60. Algebra II

    Help me with this question please 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. ...
  61. Algebra

    For questions 1-5 solve the equation. 1.-2v-7=23 (A)15 (B)8 ★ (C)-8 (D)-15 2. X/3-10=-12 (A)-6 (B)-66 (C)6 (D)66★ 3. d/3+10=7 (A)51 (B)20 ★ (C)0 (D)-9 4. 2(2-2x)=-3x (A)-4 (B)4 ★ (C)6 (D)0 5. 2.9n+1.7=3.5+2.3n (A)3 (B)-3 (C).3 (D)1 For questions 6-7, Simpifly the ...
  62. algebra 1

    the ratio of right handed to left handed students in the school was 3 to 14. if the total number in both categories was 714 how many right handed students were in the school? please help its due tomorrow! i totally forgot about the extra homework my teacher assigned.
  63. accounting

    CHOI ENTERPRISES Inv. No. Check Date Description Name or Date No. Terms Amount Dec. 16 Merchandise sold (cost $4,600) Hanna Seppa 916 2/10, n/30 $7,700 17 Received credit memo on returned merch. Funk Company Dec. 15 1,040 17 Purchased office supplies KK's Supply Company Dec. ...
  64. govenment

    1)In what ways does the existence of minor parties also work to strengthen the United States' two-party system? 2)What does the fact that aliens generally are not allowed to vote show about American beliefs? It shows that Americans believe that no one should dictate american ...
  65. English

    Imagine what will happen in the future world and write down sentences related to the future world. 1. We will go to Mars. 2. We will make robots clean the house. 3. We will not get sick. 4. We will fly in the air. 5. We will go to the USA in 10 minutes from here. 6. We won't ...
  66. algebra

    Please correct,if necessary, and simplify using long division: (-72-4x^2+8x^3-36x) devided by (x-3). My solution: 8x^2+20x+24 ------------------- 8x^3-4x^2-36x-72 8x^3-24x^2 ------------------ 20x^2-36x-72 20x^2-60x ----------------------- 24x-72 24x-72 -------------------------
  67. Algebra 2(check) cont..

    1)solve the inequality -3(r-11)+15>_9 my answer = r<_13 2)solve the inequality -2<4z+10<_12 my answer = -3<z<_1/2 3)solve the inequality 2x-5<_10 or 33-4x<5 my answer is x<_15/2 or <7 4)solve the inequality 3(absolute bars m-4)>6 my answer is m...
  68. Math

    Find X 27^4x-2=243^3x+6 Please explain how to do it. Thanks 27^(4x-2)=243^(3x+6) Notice that 27 and 243 are both multiples of 3 Changing them.. (3^4)^(4x-2)=(3^6)^(3x+6) 3^4(4x-2)= 3^6(3x+6) taking the log base 3 of each side. (4x-2)= (3x+6) and solve for x. That doesn't work ...
  69. Algebra 1 Please bobpursley

    This is what the exact paper says Algebra 1 PAP Creature teacher Obj: TLW creat a creature to represent a varable to be used to simplify an expression. Each student must will be assigned a variable ( mine being C): the student is to create a creature to represent that variable...

    Hi, Im learning about polymers. I did a lab to make slime where I mixed PVA glue & water. I then added borax to some water in another container, and the poured off the water from the wet borax. I then added the borax to the glue/water solution. I have to make a procedure that ...
  71. Math

    Please check my answer to see if I got it right. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much time does Braden actually work on his math homework? My ...
  72. English

    1. Raise your hands to shoulder height. 2. Lower your hands to foot height. 3. Lift your right hand to nose height. 4. Lift your left hand to eye height. 5. Bend your body left, and then bend your body right. 6. Bend your body to the left, and then bend your body to the right...
  73. Math

    Please double check Real Numbers and Order |4| + |3| Answer: 7 |-9| - |4| Answer: 5 Adding Real Numbers 7+ (-9) + (-5) + 6 Answer: 17 |-27 + 14| Answer: 13 Subtracting Real Numbers –1/2 – (-5/8) Answer: 2 –3.4 – (-7.6) Answer: -4.2 –54 – 119 Answer: 65 Multiplying ...
  74. algebra 2

    I don't know how to do this the speed of train A is 18mph slower than the speed of train B train A travels 190 miles in the same time it takes train B to travel 280 miles find the speed of each train please help so i can pass my quiz.
  75. MAth algebra 1

    Steve is driving to a ski resort. At first, he drove at a rate of 65 mph. Then a snow storm started and he had to slow down to 40 mph. In total. it took him 6 hours to drive 310 miles. Which system of equations represents this situation? A. 6x + y= 1 x + y= 310 B. x + y= 105 ...
  76. algebra

    Assume you work at a company where you are paid hourly. You are paid $8.60 per hour for regular time (less than or equal to forty hours) and time and a half for overtime hours up to fifty hours in one week. If you are asked to work fifty or more hours in one week you are paid ...
  77. English

    1. He used to take a walk in the park. 2. He used to swim in this river. 3. He used to live in Chicago. 4. He used to drive a car to New York. 5. He used to walk his dog along the road. 6. He used to play soccer when he was young. 7. He used to cook noodles for his mother. 8. ...
  78. Chemistry-check answer please

    I am given a question where I have to state which combination of electrodes will result in the greatest voltage and which will result in the lowest voltage. The metals given are Zinc, Copper, Silver and Hydrogen I think that silver and copper would give the greatest voltage ...
  79. English

    Could you please check the grammar in the following sentences, please? Thank you. 1) On 1 September 1651 he went to Hull to see a friend, who had a ship and was sailing for London. 2)Without much thinking about his father’s warning, he got on his friend’s ship and left for...
  80. History Check Please!

    Please check! Thanks! 1. How did the hundred year’s war contribute to the decline of the medieval era? a) It encouraged kingdoms to look to explorer other lands b) It initiated reforms within the church that weakened the papacy c) It lead to the collapse of the federal ...
  81. linear algebra

    which of the following sets of vectors span R^3? a.){(1, -1, 2), (0, 1, 1)} b.) {1, 2, -1), (6, ,3, 0), (4, -1, 2), (2, -5, 4)} c.) {(2, 2, 3), (-1, -2, 1), (0, 1, 0)} d.) {(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 1)} can someone show the steps to check for one of them and i ...
  82. Calculus

    Can you please check to see if these answers are correct? I have provided my work as well! That you! This is much appreciated!! 1. What is the volume of the solid that is generated by revolving the region bounded by the curves x = 3y^2-2 and x = y^2 and y = 0 about the x axis...
  83. Of Mice and Men ASAP

    Hi My summer reading list is due on monday and i'm running out of time to finish this book (it has 6 chapters) I don't have the book with me anymore sadly because it wasn't my book. I wanna know if you can tell me the conflict in each chapter please please please thank you :)
  84. Early Child Ed.

    Please check these questions and my answers. If I am wrong-please let me know. 1. Which one of the following statements is an example of the cognitive process called categorization? A. A child begins to as "why" about almost anything he or she does. B. A child's early ...
  85. Math

    an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?
  86. Art

    Could you please check these sentences, too? Thank you very much. 1) The Augustan were interested in real life. As for politics/as far as politics is concerned, the two main political parties were the Tories and the Whigs. 2) The poor used to live in terrible conditions. 3) ...
  87. Physics please help! check if its correct

    A 3.00 kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 8.00 kg cylindrical pulley. The inner diameter of the pulley is 60.0 cm, while the outer diameter is 1.00 m. The system is released from rest, and there is no friction at the axle of the...
  88. English

    Thank you very much for your corrections. Here are two sentences for you to check. 1) Thank you for your prompt reply. How could I start and finish off my letter addressed to the principal of a high school? 2) Could you suggest to me an internet site where I could find schools...
  89. math

    The table lists data regarding the average salaries of several professional athletes in the years 1991 and 2001. year average salary 1991 $263,000 2001 $1,430,000 a)Use the data points to find a linear function that fits the data. b) Use the function to predict the average ...
  90. Math Challenge Check

    I am playing a dice game with my friend Kyle. Each of us roles a standard six-side die obtaining a number at random from 1 to 6. What is the probability that my number is greater than Kyle’s number? Answer below was posted last night. Is the answer correct? Will someone ...
  91. English

    1. I want my photo to be deleted by you. 2. I want my photo deleted by you. (Are both grammatical? Which one is a common one?) 3. He hung the picture on the wall. 4. The criminal was hanged at the prison last year. (Are both okay?) 5. Make your message clear. 6. You should be ...
  92. English- The Lord of The Flies

    CHapter 2: Why do you think the beastir comes to dominant the meeting? What does it symbolize? Please help me out on this one. I cant figure it out and its so frusterating! Thank you so much! I have never read this book. If no one else has, please check it out at http://www....
  93. For Dr.Bob222 (chem work)

    What is the pH of a solution of 120 ml 0.15M acetic acid to which we add 30mL 0.2M NaOH? CAN YOU CHECK MY WORK PLEASE? 0.15 mol/L * 0.12 L = 0.018 mol acetic acid 0.2 mol/L * 0.03 L = 0.006 mol NaOH 0.018 - 0.006 = 0.012 mol of acetic acid in excess pH = pKa + log (acid/base) ...
  94. algebra

    Which choice is the equation of a line that passes through the point (5, –1) and is perpendicular to the line represented by this equation? y = −x + 5 A. y = x− 6 B. 5x − y = 5 C. y = −x− 1 D. 2x− 5y = −1 can someone please show me ...
  95. Chemistry

    Please please help me on this equation I'm stuck and your steps are confusing. Calculate the concentrations of each ion remaining in solution after precipitation is complete. (Enter a 0 if none of the ion remains.) Cl ‾ Ca2+ I have Ag+=0 and NO3^-3= 0.13 but I can't seem...
  96. Algebra help please :)

    Hey I was wondering if someone could help me with this. I know it's simple but It's for some reason harder for me. If someone can help me it will be really much appertiativ write an equation and solve tofind the solution to the following problem you have $27 to spend at the ...
  97. 11th grade Algebra II

    if the roots of ax^2+bx+c=0 are real, rational, and equal, what is true about the graph of y= ax^2+bx+c? 1.) it intersects the x-axis at two distinct points. 2.) it lies entirely below the x-axis 3.) it lies entirely above the x-axis 4.) it is tangent to the x-axis i think the...
  98. Algebra

    Chart with a month bill for water which is $35.00. Question is Lynne has a watering can that holds 16 cups of water, and she fills it half full. Then she waters her 15 plants so that each plant gets the same amount of water. How many cups of water will each plant get? Please ...
  99. Intro to linear algebra

    For the matrix: [[1,4,2],[2,5,1],[3,6,0]] (This is 3X3) .. find out whether the columns are linearly independent. Is the 3rd column a linear combination of two other columns? In both cases find the coefficients. Please show step-by-step and explain in great detail, so I can ...
  100. Algebra 2

    E6------E= -0.378eV E5------E= -0.544eV E4------E= -0.850eV E3------E= -1.51eV E2------E= -3.40eV Use the figure shown above to determine how much energy a hydrogen atom with its electron in the E2 energy level must absorb for the electron to be removed from the atom. a. -0....
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