algebra II-URGENT

44,684 results, page 10

  1. Urgent- Science

    Dalton theorized that matter is made of tiny, indivisible particles called atoms. In what way did the theories of each of these scientists support or differ from Dalton’s theory? K/U (a) J. J. Thomson (b) Ernest Rutherford (c) James Chadwick
  2. Socials Study (URGENT)

    Okay, I need to write 2 editorials. the year is 1599, but i think any editorial during the "renaissance" will do. So, anyone have any ideas for 2 editorials i can write about?\ Thank you ver much.
  3. URGENT: Grade 8 Math

    In my math question it says: Multiply. Simplify before multiplying. Use benchmarks to estimate to check the product is resonable. a)3/4 x 8/5 is one of the equations What are benchmarks?
  4. Math-SPSS

    hello! i need some help urgent! does anyone know how to work with SPSS? we need to calcualte the frequency of the most and least used language learning strategies in correlation with grade.any help?
  5. british Lit-URGENT

    The speaker in Ted Hughes's poem "Hawk Roosting" is the hawk. What figure of speech is this? A)simile B)metaphor C)personification D)hyperbole. I feel is is personification but am not sure.
  6. Math URGENT REALLY FAST HELP

    find the inflection points of the function: f9x)=x^2(ln(x)) Now I don't think there are any inflection points because both intervals are concave up. Am I right, or could someone help me if this is wrong?
  7. Physics URGENT!!!

    A hockey puck is hit on a frozen lake and starts moving with a speed of 9.7 m/s. 4.1 seconds later, its speed is 7.2 m/s. (c) How far does the puck travel during the time interval?
  8. Chemistry URGENT/DR BOB

    I have a couple of unfinished experiments i need help with as well. If you can help me. Thanking you in advance. If I tested the ph of NaOH and its H+ was 12.2 how would I express this in a power of 10? I really have no clue. Need help.
  9. math(urgent)

    What is the value of the variable cost ? If the break even point is $ 130, the fixed cost is $ 330, selling price per unit is $ 25,and unit of sell is $50. (3 marks)
  10. Math URGENT!!!

    Jason bought 10 of the 30 raffle tickets for a drawing. What is the probability that Jason will win all 3 of the prizes if once a raffle ticket wins a prize it is thrown away?
  11. CHEMISTRY URGENT HELP

    How to draw line graph for showing changes in test tubes while showing that exhaled air contains more carbon dioxide than inhaled air
  12. Math

    You are randomly selecting one catches on a 52 card deck.find the probability of selecting: a 2 or a 3 I got 2/13 A red 2 or a black 3 I got 1/13 I want to make sure it is correct This is very urgent Thanks
  13. Opt math URGENT

    prove that : cos^3(θ)sin^2(θ)=1/16[2cos(θ)-3cos(θ)-5cos(θ)]
  14. maths-urgent

    If the sums of n terms of 2 A.P. are in ratio (3n+5)/(5n+7), then find their nth terms ratio
  15. math urgent

    what number has the prime factorization of 2 to the 6th power and 5 to the 6th power
  16. Science

    URGENT! How is Miami's summer solstice different from Singapore's summer solstice?
  17. physics..... please....urgent....

    A 1.0 kg mass is attached to the end of a vertical ideal spring with a force constant of 400 N/m. The mass is set in simple harmonic motion with an amplitude of 10 cm. What is the speed of the 1.0 kg mass at the equilibrium position?
  18. HCS 325

    In the role of a health care manger, you are expected to respond to daily urgent and emergency situations as they arise by mobilizing your staff and available resources to attain specific objectives. How would you describe the function of control involved here?
  19. Chemistry (urgent!)

    A titration of 15.0 cm3 of household ammonia, NH3, required 38.57 cm3 of 0.78M HCl. Calculate the molarity of the ammonia. Please show steps so that I may unders tand how solve this. Thank you
  20. Finance: Urgent Please help

    Describe the goals of financial management. The description should include how earnings are valued, how shareholder wealth can be maximized, and how management decisions affect stockholder wealth.
  21. Grade 8 math urgent

    The question is : Jason took 3/8 of his savings on a shopping trip. He used 1/4 of the money to buy a new coat. What fraction of his savings did he spend on the coat? My answer is 3/28. Am I correct?
  22. URGENT - Vectors

    Two vectors, A and B, are added by means of vector addition to give a resultant vector R. The magnitudes of A and B are 9 m and 8 m, respectively, and they can have any orientation. What are the maximum and minimum possible values for the magnitude of R?
  23. Math (URGENT)

    write a formula that gives you the number of regions formed when x points are placed on a circle and all possible chords are drawn. ex. 2pts has 2 regions, 3pts has 4 regions, 5pts has 17 regions
  24. physics - URGENT

    Two blocks are connected by a heavy uniform rope with a mass of 4.00 . The topblock is 6.00kg, the bottom block is 5.00kg with an applied upwardforce of 200 N. What is the tension at the midpoint of the rope?
  25. Calculus Help Please Urgent!!!

    Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 5x^2, y = 5x, x ≥ 0; about the x-axis V = ??? Sketch the region
  26. math

    please explain #urgent the sum to infinity of a convergent series is 243. the sum of the first five terms is 242. how do you determine the values of the common ratio and the first term
  27. urgent help!

    ASAP help please. Choose one destination that is represented by a flag. Write a paragraph about the effects of climate change in that destination. I do not know what to choose for this just give me ideas plz.
  28. Science

    PLEASE HELP ITS URGENT contact lenses improve your lives. contact lenses are example of an______? A.skeptical B.experiment C.invention D.evidence E.inference F.prototype G.biased H.technology I.hypothesis
  29. Chemistry

    In an IR spectrum at wavelength = 1454cm-1 its where a CH2 group is present but then when it come to writing it down do I write v(CH) bend or v(CH2) bend please if your unsure dont answer me its urgent thankyou
  30. Spanish (URGENT)

    I'm learning about the irregular verbs "Conocer" and "Saber" The teacher told us how to differentiate between the two and when to use which. But I still find it very difficult to know when to use which one. Can anyone help? Are there any tricks or tips that will help? Muchas ...
  31. Chemistry(Urgent, please check)

    For C4H10O a constitutional isomer can be written as C-C-C-C-O-H with hydrogens also coming off of the 4 carbons. I know that this is an alcohol. I need to know if there are stereoisomers for this other than conformers. I think that there are stereoisomers because you can just...
  32. SOCIALS 9 URGENT

    answer in proper paragraph of 10-12 sentences What was the system of government called that was in place before the revolution? describe who were involved. Give some examples of what their occupations were. which types of people were for this type of government and which were ...
  33. chemistry URGENT!

    each tablespoon of the liquid contains 95mg of aluminum hydroxide and 412mg of magnesium carbonate.how many moles of hydronium ion can be neutralized by one tablespoon of it?al(oh)3 =78g/mol ;mgCo3 =84.3 g/mol
  34. chemistry-URGENT

    Hydrazine is used as a rocket fuel. When 1.50 g of hydrazine, N2H4, was burned in a bomb calorimeter, temperature increased from 23.57 °C to 28.84 °C. The heat capacity of the calorimeter was 5.510 kJ/°C. Determine the enthalpy of combustion of octane.
  35. Chemistry

    2 NO + O2 --> 2 NO2 The reaction rate is increased five­fold when the temperature is  increased from 1400 K to 1500 K. What is the activation energy for the reaction?  I have no idea how to do this and would greatly appreciate some urgent help!
  36. AP Environmental Science (URGENT)

    Strontium-90 is a radioactive waste product from nuclear reactors. It has a half-life of 29 years. How many years will it take for a quantity of strontium-90 to decay to 1/16 (one-sixteenth) of its original mass?
  37. Physics URGENT!!!

    Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. (a1) Determine the acceleration of the boxes (b) the tension of the string (c)
  38. Physics URGENT!!!

    Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. The acceleration of the boxes is 1.8. Find the tension in the string.
  39. math VERY URGENT

    Mrs. Black has one begonia plant. If she buys two begonia plants each year for every one she has, how many will she have in four years? Please explain the answer.
  40. maths-urgent

    a man has 3 unique coins such that the probability of obtaining a head when the coin is flipped is 1 10 , 2 10 and 3 10 , respectively. If he flips each of the 3 coins once, the probability that at least 1 heads appears is p . What is the value of 1000 p ?
  41. physics

    a rod is having a positive charge and a point charge is placed at a distance 'd' from it making angle 45 degree with one end and 37 degree with the other.calculate field. plz answer its urgent.
  42. Chemistry- urgent!

    Perform the following operations and express the results in the correct number of significant digits or decimal places. Express all results in scientific notation. Please help me I'm so confused on how to do this!! 15. (1.71 x 10^6)(6.73 x 10^-8)/2.25 x 10 20. (533)(24) 21. (1...
  43. Math Urgent

    A rectangle of length 4cm and width 3cm has one vertex at the origin of a system of axes and another vertex on a quarter of a circle whose center is also at the origin. Solve for the area
  44. Urgent math

    Which of following is divisible by 4 for all natural numbers n? (Select all that apply.) please help ?!?!? 5n + 1 − 9 6n − 2 7n + 1 3n + 1 10n − 2
  45. Urgent math

    Which of following is divisible by 4 for all natural numbers n? (Select all that apply.) please help ?!?!? 5n + 1 − 9 6n − 2 7n + 1 3n + 1 10n − 2
  46. math

    A cubical water tank has each edge 5m long. Find the volume of water in the tank if 1/5th of the tank is empty. Pls help... Urgent***
  47. Chemistry URGENT

    If a student starts with 615g of Co(NO3)2 and obtains a 57.3% yield of CoS, what mass of CoS is isolated? Co(NO3)2 + K2S ---> CoS + 2KNO
  48. Earth Science to Ms.Sue (urgent )

    18.   The Cenozoic Era is also referred to as the  A. Age of Dinosaurs. B. Age of Mammals. C. Age of Fish. D. First Era. B???
  49. alg 2+urgent please.

    2/the 6th root of 81 the answer gave an answer of "2 3rd root of 3/3" sorry i didn't type the root signs, i dunno how. can you show me how to work this?
  50. Social Studies Urgent

    under a socialist government, who make the decisions? can citizens take part in the decisions? or the government makes all the decisions please help and thank you
  51. Calculus (Urgent!!)

    Hello everyone, I need help with the following problems. Find the partial derivative of the following: 1) f(X1, X2) = X1^1/2*X2^3/4 2) f(x1,x2,x3) = ln(x1)x2 + 3x3 3) f(x,y) = 3x + 4y 4) f(x,y) = x^1/2 +x/y + y/x Find the maximum of the following function: 1) f(x1,x2) = 5x1 - ...
  52. Physics URGENT! PLEASE

    An object in equilibrium has three forces exerted on it. A 36 N force acts at 90° from the x axis and a 42 N force acts at 60°. What are the magnitude and direction of the third force?
  53. Legal Studies

    Hi beautiful people! I need help finding statistics on the rates of incarciration/fines or other punishments for person convicted of victimless crime in Australia. Preferably Queensland. This is urgent, I simply cannot find the information and I would REALLY appreciate your ...
  54. Calculus Help Please Urgent!!!

    Prove that the integral on the interval [a,b] of x is equal (b^2-a^2)/2 integral a to be (x)dx = (b^2-a^2)/2 using the definition of a Definite Integral. This is the limit of a sum approach. show steps please!!! Thank you!!!
  55. regents

    I have to take the Regents exam, but there are a great number of math regents exams. If I am in 11th grade,which one should I take??plz help , this is urgent! !😣
  56. Quick Help (URGENT)

    1. What percentage of teen parents live in poverty? Is it 75 percent?? 2. How can you get HIV? Unprotected sex, anal, oral, vaginal. 3. What are the other methods of transmission of HIV? ??? Can someone check over my answers and help me with number 3? Thanks very much.
  57. English

    Writeacher, I'm still working on my paragraph on the presentation of the Irish school. I really hope you'll be there in three hours' time to check if everything is OK. By the way, can you suggest a website, on which (?) phrasal verbs are grouped according to their topics? It's...
  58. math (urgent!)

    I was given a graph and told to find an equation for the temperature T in terms of the time t in the form T(t) = a sin(kt-c)+d where a, k, c and d are constants. The max was 32.9 and the min 21.1 I determined that amplitude = 5.9 vertical = 27 period = pi/12 The last thing I ...
  59. Urgent 8th Grade Language Arts

    How is the word street used in the sentence below: Street cleaners can often be seen on our block in the very early morning. adjective*** adverb noun pronoun Am I right Ms.Sue?
  60. French Cuisine (URGENT)

    Quick question. French cuisine before and after the French Revolution and why did it change. Please help. Thank you.
  61. urgent math

    in a GIVEN DAY THE MILL TURNS OUT THREE TIMES AS MANY UNITS OF PLYWOOD. IT PROFITS OF $25 ON A UNIT OF LUMBER AND $40 ON A UNIT OF PLYWOOD. HOW MANY OF EACH M UST SELL TO MAKE PROFIT OF $14720 can anyone help im so confused
  62. chemistry/physics Urgent!!

    how do i calculate the substrate concentration needed relative to Km to produce a rate relative to Vmax which is 0.1 x Vmax ?? I think i need to manipulate the michaelis menton eq but when i do it im left with [s] in the amount please help lib
  63. Math please help urgent!!

    2. If m<1=43, what is m <4? 53 43****** 37 27 3. If m <1=43, what is m <5? 50**** 40 35 25 <=the angle sign Unfortunately i can not link the graph. But it is horizontal and a vertical crossing line then a diagonal line drawn through each right angle mke by the ...
  64. urgent chem help ( dr bob plz)

    A particular household ammonia solution (d= 0.97g/mL) is 6.8% NH3 by mass. How many milliliters of this solution should be diluted with water to produce 650 mL of a solution with pH = 11.55? ------------------------- i am gettig 5.3 x 10^-10 is that rite or worng pzl conform ..
  65. Physics urgent

    A rubber puck, initially travelling at 39 km/h, is sliding along an icy surface. How long (in seconds) would it take the puck to come to a complete stop if the coefficient of kinetic friction between the puck and the ice is 0.2?
  66. Science

    What would the application be to my experiment which was "We dig through soil and check for inorganic and organic matter in the soil and look for natural things in the soil(ex; beans,feather,rocks,sticks,and grass)" Please I need your help URGENT! ! !
  67. physiology practical

    what affect can happen on the blood pressure and the heart rate when you drag or clamp the common carotid artery of the rabbit? and why? PLEASE please answer fast cause i have presentation tomorrow, please need help urgent!
  68. Math, URGENT!

    What is the decimal equivalent of 1,932% and how do you get the answer to the decimal equivalent?
  69. math-urgent

    show that if A= A inverse, then det(A) = +/- 1 if A(transpose) = A(inverse), what is det(A)?
  70. Science Urgent

    i know i post this question before but i really need help on this question which have a higher value, iron-containing minerals or feldspars? Why? please help this is my last question i need to answer
  71. maths

    Two pole of heights 6m and 11m stand on a plane ground. If the distance between their feet is 12m, determine the distance the distance between their poles. Please help me its urgent
  72. Precalculus(URGENT)

    write the parabola in y squared=4ax or x squared =4ax form where x equals the distance between the foci and the centerpoint y= -(x+3)squared +4 i have no idea how to do this can you tell me how you got the solution
  73. Honors Biology - URGENT!!!

    ATP is used to power the movement of your muscles as you turn the pages of a book. Where did the energy in the ATP come from? Trace the energy in the ATP molecule back to the sun.
  74. 8th grade math HELP URGENT!!!

    Solve Each equation by first dividing each side of the equation by the number outside the parentheses. When would you recommend using this method to solve an equation? Explain. A. 9(x-4)=72. B. 8(x+5)=60
  75. history urgent please!

    The most dominant merchant and traders of the Indian Ocean Trade network were Chinese merchants Muslim and Arab merchants African merchants Australian and Oceania merchants European Merchants
  76. Math URGENT!

    the roots of a tree are 1/8 of the tree. they are 0.87 m. how tall is the tree? my answer: 0.87 x 7 = 6.09 m please check if my answer is right thanks :)
  77. MATHS HELP URGENT.pleasee

    The area of a triangle ABC is 126 sq.cm. AC=13 cm , BC = 21 cm, what is the length of AB? where, triangle ABC is a scalene triangle
  78. Math Urgent Please Help

    Which coordinates could be the vertices of a triangle similar to triangle RST? {original triangle coordinates R(0,0); S(0,4); T(3,0)} a. (2,2), (2,6), and (6,0)*** b. (0,0), (0,6), and (10,0) c. (2,2), (2,10), and (6,2) d. (0,0), (0,8), and (6,0)
  79. Bio(its urgent!)

    according to cell theory, the cell is the basic unit of structure and function in the body. in two or more sentences, explain how this fact relates to the need for digestion. please i help! i have searched the sites but cannot find a answer...... plz help!
  80. math(please help urgent)

    1) Find the values (if possible) of the six trigonometric functions of o if the terminal side of o lies on the given line in the specified quadrant. y=1/3x 2)Evaluate (if possible)the sine, cosine, and tangent of the angles without a calculator. (a) 10pie/3 (b) 17pie/3
  81. English

    I forgot the last two sentences. They are urgent!! 1)Can you write your name and e-mail on this sheet of paper so that we can get in touch with you (each other?) when you are back in America? 2) I would be pleased if our students could start sending e-mails to one another so ...
  82. History

    Hi I'm evaluationg sources and I need help finding out more informatoin on Z.A.B Zeman. IN the book, he said something about being a marxist/socialist/communist but i'm not sure what and its kinda urgent that I find out... I've been working real hard.
  83. Literature- Urgent!!

    Can anyone help me find a hyperbole in the book the lord of the flies, please? I've been trying to find one for the past two months! And now, school is about to start. The quotation, page number and a brief summary would be appreciated!!
  84. chem urgent!!

    What is the pH of the solution created by combining 12.00 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? i need to find the ph with HCL and then with hc2h3o2. i got 1.30 as my anser but this was wrong i multipled all these...
  85. Physics(urgent)

    A ball is thrown horizontally from the roof of a building 58.5 m tall and lands 38.7 m from the base. What was the ball's initial speed in m/s? Hint: Find the horizontal velocity by calculating the time of flight and using the horizontal distance.
  86. URGENT Chemisrtry

    In an atom whose core contains 16 neutrons possess a total electrical charge q=+2,56x10in force -18 1. What is the atomic number of the atom? 2.What is the number of nucleons(mass)? 3.How much electrons has in electronic mantle?
  87. MATH URGENT!

    Madison is standing on the roof of a building that is 350 feet above the floor. She throws a ball straight up with a velocity of 20 feet per second. How long will the ball be in the air before it hits the ground?
  88. bio

    Would you agree that it is valuable for a nation to have a citizenry that is reasonably well versed in science? Give reasons for your answer. Would you say this need has become especially urgent in the last two decades? Why or why not? Evaluate Answer
  89. Chemistry urgent

    C6H14 + Cl2 in UV light Below are 5 products, say which one cannot be a product, prove this by showing how each of the other products were formed from the equation above. 1-chlorohexane 2-chlorohexane 2,2-dichlorohexane dodecane hex-1-ene
  90. Chemistry URGENT/DR BOB

    Hello DR. BOB, the correct value in the problem posted at 1:17pm regarding Student A and Student B accuracy and random error is the: MEAN of 2.63 g/mL. Could you take a look back at that post and let me know if i answered 2 and 3 correctly.
  91. CHEMISTRY URGENT HELP

    carbon dioxide is moderately soluble in cold water but is completely boiled out if the water is boiled.Solubility increases rapidly with pressure. How is the above phenomenon used in the production of aerated drinks?
  92. Math, HELP!! URGENT!

    Please Simplify: (1/8)(40v−24y)−(1/7)(21v−35y+9)−(1/6) (1/11)(55x−22)−(1/2)(18x−2v)
  93. accounting..help plz urgent!

    An accounting report that shows the changes in capital during the accounting period is: a.) a balance sheet. b.) an income statement. c.) a statement of owner's equity. d.) All of these answers are correct.
  94. Economics

    Present value equivalent for geometrically increasing series when the first year base of 4,000 increasing at 4% per year to year 15 at an interest rate 17% compounded continuously? urgent Help please
  95. Math (urgent)

    the equation x^2+y^=25 describes a circle with center at the origin and radius 5. The line y=x-1 passes through the circle. Using the substitution method, find the points at which the circle and line intersect. a) (4,3) and (-4,-3) b) (3,4) and (-3,-4) c) (4,-3) and (-3,4) d) ...
  96. VERY URGENT MATH!!!

    1. 3w – 10w (1 point) 13w –7w –7 7w 2. y + 2y +3z (1 point) 2y + 3z 3y + 3z 2y2 + 3z 6yz 3. 6r + r – 5r (1 point) 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) (1 point) 7x + 6 7x2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point) 6 –6m + 6 6m + 18 18 MY ANSWERS: 1)B 2...
  97. GR.10 CIVICS! LAST TIME PLEASE HELP

    can someone please give me a direct link to a picture that protrays or is related to the inuit being allowed to vote in canada in 1950. actualli the picture can have any type of aboriginal groups. thanks ...URGENT
  98. Calculus Help Please!!! Urgent!!!

    If x^3 - y^3 =3 , use only implicit diff. to find d^2y/dx^2 . Express your answer in terms of x and y only and write is as a proper fraction that is completely simplified as much as possible. d^2y/dx^2= -6x/y^5 (this is the answer I should get but i don't know how to show ...
  99. History, Urgent

    How did the Louisiana Purchase set a precedent for the powers held by the President of the United States? If someone could copy & paste, I cannot follow links... and I need to know this. I have a test tomorrow, and i need to study. This is my last question to study for. Thank ...
  100. Math-Urgent help please.

    Two cards are selected, without replacing the first card, from a standard deck. Find the probability of selecting an ace (A), and then selecting a 4 (B): (choose 2) 0.603% 0.592 0.592% They are dependent events. 0.00592
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