Math(Please help)

188,810 results, page 46

  1. Math

    Check whether the given number is a solution of the equation or inequality. 2x+6=18;9 I know that I have to plug 18 into x but then i don't know what to do next. Help please? Thanks!
  2. Math

    Please find the next THREE numbers in the patterns and explain how you got them: 1) 5, 5/2, 5/4, 5/8, 5/16.... 2) 1, -3, 9, -27, 81... 3) 1/2, 1/2, 3/8, 1/4, 5/32... 4) -9, 101, -999, 10001, -99999...
  3. college math please help

    What do these mean? They are supposed to represent things but I don't understand them. C=2╥r for r, S=P+Prt for t, and A=2lw+2lh+2wh for h
  4. Math - 10th grade

    Simplify: (1-i)^3 Here's how I break it down using the formula (x-y)^3 but I just don't know how to get to the final answer. Please help. = 1-3i+3(i)^2-(i)^3 Thank you
  5. Math

    Thank you Steve for your help! I need help on another question. I have to show 10/8 divided by 5/8 on a number line. I don't know how to set this up. I am lost!!! Please help to explain this. Thank you
  6. math

    if prizes for a carnival are priced at 5 for 80 cents,how much would 250 prize [1] $4.00 [2]$ 8 00 [3] $40.00 [4] $80.00 [5] not enough information i given. help please
  7. Math

    Use the rated acute angle to state an equivalent expression Tan110 The answer is tan290. Why isn't it 70? Please explain
  8. 7/8 Math URGENT!!! PLZ HELP!! ANYONE????

    Could ANYONE please explain this formula to me and what the words mean... I=prt (Intrest= principle x rate x time)
  9. math - please help

    Which expression is equal to 1/8000 written in scientific notation? A.8.0 x 10to the 3rd B.1.25 x 10–4 C.125 x 10–5 D.1.25 x 10 the the 4th I think it is A..?
  10. math

    Please help with the below: Find an expression for the nth term of the given sequence. a). 3,6, 12,24, ... b). 151,142,133,124, ...
  11. Math

    The measures of the angles of a triangle are in the extended ratio 2 : 2: 8. What is the measure of the smallest angle? can someone pretty please show me how to do this?
  12. MATH

    2(7w-1w+7)>122 ? what work would i do? im just learning inequalties and i have a quiz tomorrow with problems like this, please help!
  13. Math

    I need help please. Find the critical z values. Assume that the normal distribution applies. Right-Tailed test; x=0.03. z=?
  14. MATH; PLEASE HELP

    Power Standard Form 10^1 10 10^2 100 10^3 1000 10^4 10000 10^5 100000 Write a rule for the number pattern.
  15. math

    The bases on a baseball diamond are 90 feet apart. How far is it from home plate to second base? Please explain
  16. math

    please help me how to solve the integral sinx/x dx from 0 to infinite : ∫_0^∞▒〖sin⁡x/x dx〗 thank you
  17. math

    if the perimeter of rectangle is 50cm and its length is 5 cm greater than its breadth find its area please give answers with method
  18. math

    Graph the function f(x)=6-1/(x+4)^2 using transformations. State: a.the domain b.the range c.the asymptotes i do not get this at all, i am totally lost! please help!!!
  19. Math

    Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3. Determine numerical value of m1/(m2)^2 + m2/(m1)^2. Please work the complete solution.
  20. Math

    Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3. Determine numerical value of m1/ (m2)^2 + m2/(m1)^2. Please work the complete solution.
  21. Math

    Can someone please help me with these two. What is the quotient (6-x)/(x^2+2x-3)÷(x^2-4x-12)/(x^2+4x+3) in simplified form? State any restrictions on the variable. Simplify the complex fraction ((x)/(x+2))/((1)/(x)+(1)/(x+2))
  22. Math

    Find the area inside the lemniscate r^2=150cos(2theta) and outside the circle r=5sqrt(3). Please I really need help.
  23. Math. Please help

    Emory tosses a nickle four times. The probability that he gets at least as many heads as tails is? Explain
  24. math

    If # (a,b,c,d) means you take the positive value of the square root of each term, then add the resulting values, and # (a,36,16,9)=15, then a = ? please explain
  25. Math

    Find the second, fourth and eleventh terms of sequence described by each rule. 13. A(n)=2+(n-1)(-2.5) 14. A(n)=-9+(n-1)(3) I need help please, i am bad at mathh
  26. math

    hello! please help me my problems..I cant really understand this... Draw and explain an angle of depression of a boat from a cliff is 39 degrees.
  27. Math 117

    If you can please help, I would greatly appreciate it! Determine the equation of g(x) that results from translating the function f(x) = (x + 10)2 to the right 12 units. Thank you!
  28. Math 117

    If you can please help, I would greatly appreciate it! Determine the equation of g(x) that results from translating the function f(x) = (x + 10)^2 to the right 12 units. Thank you!
  29. Math please check my answer?

    This is my last question. What is the domain of the function below? f(x)= e^(x-4)-2 I got all real numbers is that correct?
  30. math

    Please answer ASAP.. Awheel has a diameter of 16 cm. Approximately how far does it travel in 5 revolutions? A. 502.4 cm B. 251.2 cm C. 100.48 cm D. 80 cm
  31. Math

    o is the center of the regular pentagon ABCDE. How many degrees are there in OAB? Please explain or show work A.36 B.54 C.72 D.108 E.126
  32. Math

    Prove the identity csc^2x = 2sec2x / sec2x - 1 Sorry i really tried. I got : LS = 1 - (cos^2x/sin^2x) but that's it. please help
  33. Math Problem (please help)

    Find all the zeros of the function. (Enter your answers as a comma-separated list.) f(x) = (x + 3)(x − 7)2 X=
  34. Math

    I have to make a real world problem using the greatest common factor of two numbers help me please.
  35. math

    If a 40 m rope is cut into two pieces in the ratio 3:5, how long is each piece? I tried it but I checked it and it was wrong, please help.
  36. Math

    Start a 4. Create a pattern that multiplies each number by 4 and then adds 3. Stop when you have 5 numbers. Can someone please help me out?
  37. Math

    Expand and simplify: (5r - 6s + s2) (13r + 3s - 5s2) I got 65r^2-25rs^2+78rs+18s^2+3s^3+5s^4 but it's wrong?! Please correct me!
  38. Math

    Simplify each expression and state any non-permissible values. (4 marks - show your work) x^2-2x/(x+1) x x^2-1/(x^2+x-6) Please help me as I'm on a deadline to finish this course
  39. math

    what is the mystery number?greater than 1oo -odd more than 3 tens less than 150 the sum of the digits is 12?? please help
  40. Math, Science

    Can anyone please help me with answering this question? : Explain how displacement vectors would be used in the navigation of ships or planes
  41. math

    Could someone help me solve this Absolute Equation? Please? I would really appreciate any help... Question~~ Evaluate the given expressions when a = 3, b = -3, c = 4, and d = -1 (a/c)|c| + b – d
  42. math

    The label on a can of lemonade gives the volume as 12 fl oz, or 355 mL. Verify that these two measurements are nearly equivalent. Please help me with this question.
  43. Math

    What percentage compound interest rate (to 20) will table of an investment of over a period of 5 years? (show working please)
  44. Elementary Math

    The question stated: Write a numerator that makes the statement true. 1/2< /10 < 4/5 My answer is 7/10 am I correct< If not please explain. Thanks
  45. MATH I just need explanation very easy ( for you)

    Completing the Squares F(x) =x^2+3x+2 F(x)=0 X^2+3x+2=0 WHY DIDN'T IT BECOME -X^2-3X-2 ? ( EXPLAIN THIS PLEASE) Next for the solution X^2+3x+3(3/2)^2 = -2+(3/2)^2 (X+3/2)^2=-2+9/4 (X+3/2)^2 = 9/4 -8/4 =1/4 ( WHERE DID THEY GET 8/ 4?
  46. Math

    Hello so I'm just wondering comparing the variable x and the number 9, do they have different degres? I know that x has a degree of 1 but for 3 i'm not sure...please help
  47. Math

    What is the lowest common denominator of the four fractions listed below? 20 7/10; 20 3/4; 18 9/10; 20 18/25 a. 2 b. 40 c. 50 d. 100 Answer-a Please check the above.
  48. Math Algebra

    There are numbers whose sum is 50. Three time the 1st is more than twise the second.? please solve
  49. Advance Math

    Please bear with me. Thank you. Evaluate: Z=(ln(j3) / (2+j))^ 1/j Only j3 is inside of ln function. Then it is divided by 2+j . Then the whole equation is raised to the power of 1/j
  50. Math

    (secx-cosx) / (tanx-sinx) = cosecx+cotx Spent hours to solve this question but failed. Please help. Thank you
  51. trig, precalc, math, algebra, trigonometry

    Rewrite: tan(cos^−1 (v)) as an algebraic expression in v. Please help me understand.
  52. Math

    How many solution are there in the following system of equations? x=-6y+4 2x+12y=8 Please help me and explain it to me! I would really appreciate if you guys answered it!
  53. Math

    Find all solutions of the given equation in the interval [0, 2pi) cos x/2 - sin x = 0 Hi, I am struggling with this question. Can anybody help me please? Thanks!
  54. math

    find the next number in the following sequence 110,98,87,71,___ please i need someone to give an answer
  55. math

    Inverse of h(x)=7-9cos(-(x+1)). h^-1(x)=? show work please! Thanks.. also accidentally put this as an answer somewhere pls ignore that!
  56. Math/ Algebra

    Ms. Sue please I need help with these two problems! Tell whether the given number is a solution of each question 5b+1=16; -3 14=1/3x+5;27
  57. algebra

    someone help please im homeschooled and dont understand math at all, its my weakest subject :( If y varies inversely with x and y = 6 when x = 3, then what is y when x = 2? a.) 9 b.) 12 -im guessing this? c.) 18 d.) 36
  58. Math - Coordinate Geometry

    Find the equation of the line which cuts the y-axis at -3 and is parallel to 4x-y+=0. Please show working out, thanks.
  59. Math

    Can someone walk me through this? For the equation Ax + By = C (where A, B, C are real numbers) what is the slope (in terms of the traditional y = mx+ b) and state any restrictions. Please!
  60. Math

    3/4, 1/4, 1/12, 1/36 what is the next number in the sequence? I tried using 36 as common denominator but that seems wrong. Can you help me get the answer and explain how it was done. PLEASE HELP
  61. Math (please check my answer!!)

    Which of the following is the point of concurrency of the medians of the triangle? A. The incenter B. The circumcenter C. The orthocenter D. The centroid <<<
  62. Math

    if two fair dice are rolled what is the probability that the total showing is more than four? Will you please explain how to do this problem? Thank you
  63. Math

    Which makes this a true statement? _____ rectangles are squares. A. All B. Some*** C. No D. None of these I think it's this please correct me
  64. math

    What would be a person target heart rate be if they are 14 years old? I know it starts like 220-14=206 but then what... Please help
  65. Math

    The spinner is divided into equal parts 1, 3, 4, 2. IF you spin it twice, what is the probability that you get a prime number. Explain please.
  66. 7TH GRADE MATH HELP!!!!!

    Hey I had to divide 7 by 20 and the answer is .35 but I need to solve it without a calculator and I dont know what I'm doing please help thanks you
  67. math

    I'm wondering if someone could check my work please? I have a table: Distance driven in miles Total Cost 0
  68. Math

    I need help please thank you Show (2.3)(5.06) as fraction multiplication problem and explain why the number is inhundred-thousandths (five places)
  69. math

    Solve for n: ((3^n)^n*(3^n)^-1) / 81 = 1 Answer (n) = -1, 4 I have no idea how n = -1, 4. Also, please don't ask if the answers are actually wrong or not, they are directly from the text book.
  70. Math Help ASAP IM STUCK!!!!!!

    what is the slope of the line that goes through (-3, -5) and (-3, -6) NEED THIS DONE SOON HELP PLEASE! SORRY ALL CAPS
  71. math

    How do i work out the mass of a flywheel. I am given the density as 7800kg/m3, a 760mm diameter and a 180mm width. Please help
  72. grammar

    please correct this sentence: the reason i A) WILL not be going to mexico is C)BECAUSE i will use up all my money D)IN ATTENDING an important meeting in singapore. E)NO ERROR i already know that the answer is c, but please explain. thank you.
  73. Chemistry- DRBOB!! PLEASE?

    molecular orbital theory? my teacher was like "im not teaching it, but its going to be on your test" can you please summarize what it is, i read the online sites,tehy don't make sense...
  74. stat

    please help!! pretty please!! i need to know how to this problem ASAP! suppose you pay $1.00 to roll a fair die with the understanding that you will get back $3.00 for rolling a 5 or a 1, nothing otherwise. what is your expected value?
  75. Algebra, check please?

    5(N+2)=3/5(5+10n) And then I wrote down 5n+10 But what would do after that? I know that the equal sign basically cuts it inhalf so that it's two problems.. but I just don't know what to do from that point. Help please? -Allyson
  76. AP World History

    3.Explain the major tenets of Hinduism and its evolution from the Aryans to the Gupta. Please help with this question I have no idea how to answer its the last one could you give me some websites please. -Thank You
  77. Algebra

    I do not get this at all, please help me. I know we cannot post links, but I uploaded the picture of my homework here: ht tp: //img560 .imageshack. u s/ img5 60/994/hom eworkc.jpg DELETE THE SPACES PLEASE AND THANK YOU.
  78. science(please help)

    Which of the following has the greatest effect on the formation of rain or snow? A)cloud cover C)air pressure B)humidity D)temperature My answer is C) am i right, if not please tell me what you got.
  79. English writing

    Please ASAP can someone give me an introductory paragraph on the Truman show and the giver with the title and author and the thesis statement ? Please just an idea I need help
  80. English I Speech

    Can anyone please share their idea of a strong, powerful hook, background information and thesis about fracking? Please this urgent. Be quick like your life depends on it.
  81. English

    HI, I need help on a question I have read both books 50 times now what is the difference between Barrio boy and no gumption please help. And if your going to hate please don't state thanks!!!!
  82. social studies

    how did You Chong, a Chinese bookkeeper for a grocer on Maunakea near Hotel St., contract plague ? please answer with your source(s) and maybe cite it please ? thank you very much tutors.
  83. Spanish

    translate this to english please but do not use google tanslate because it is not accurate they don't give you good enough answers please help me as soon as possible thank you so much ms. sue! el parque nacional
  84. History please help!

    Who were the first four caliphs? A)rulers who had a personal connection to Muhammad. B) a group of wealthy traders C) five gods D) missionaries to Africa I pick A. Please help!
  85. Pre-Algebra

    Find the perimeter ( I am not sure of the step) Can someone help me PLease If a rectangle whose dimensions ar e8 1/2 in.x 3 3/4 in. am I to multiply because this is what i got 0.020564475m^2 please get me going in the right direction . Thank you in advance for the help.
  86. Math Ms. Sue please

    6. Use the function rule ƒ(x) = x2 – 5x + 1. Find the output ƒ(–3). (1 point) 7 –5 25 5 7. Suppose you earn $12 each time you mow the lawn. Use function notation to describe the relationship between your total earnings E and the number of times m you mow the lawn. (1 ...
  87. Chemistry(Please help)

    What is the pH of a 5.06E-2 M aqueous solution of sodium acetate? I know that I would set this up the same way I did for the previous question that I posted. I am just confused on how to find the Ka. I know it is kw/kb but for what compound is what I do not know. Chemistry(...
  88. english

    Please help me with my thesis. i have to write a thesis statement in the topic topic "Poverty in USA". like i had lots but my teacher didn't agree with those. can anyone please give me idea what to write. by starting the sentence with " Poverty in USA ....." please give me ...
  89. math mrs sue please help or any one

    I'm in connections and this is a quiz the value of the dependent variable in a function is always blank the value o the independent variable a greater than b dependent on c equal to d less than a science class planted a tree in the school court yard that was 6 inches tall. its...
  90. Math

    I missied school Friday and am not sure how to do my math homework. here is one problem. If someone will help me figure this out and explain it I would be able to figure the rest out. ** Write two values of x for which the i nequality is true 4.5<x<4.6 Will someone ...
  91. Math Help

    This is a substitution equation. Would that change the steps that you did? Y=3x+1 Y=5x-3 Answer says x=-2 and y=7 Please explain steps. Thanks math help - MathMate, Monday, April 23, 2012 at 10:25pm Y=3x+1 ...(1) Y=5x-3 ...(2) By comparison of (1) and (2), we conclude that 3x+...
  92. Math help please

    I'm so lost on this math Hw it's over factoring variables and I don't get it. Like my teach said that we are supposed to have the number and letter in front of everything. For example: -14x^2-7x+21 For factoring I got 7x(-2x-1+3) Because my teacher told me to to combine both 7...
  93. math about to have a test over this please help!

    Unfortunately that is the entire problem.. Find and classify all local minima, local max, and saddle points of the function F(x,y)= -3x^2y-3xy^2+36xy There should be 3 saddle points and a maxima for sure! Please help me get the points. I can't do these maxima minima problems. ...
  94. math

    Hello, can someone please enlighten me? MSI means 1000 sq inches, right? I would like to convert this to feet, but I have no idea where to begin. Can you please show me the steps needed or even just show me an example? I was told by someone that 1MSI is almost equal to 7 feet...
  95. Math

    Help Please: Please Help 1.Essay:Show all work,Find the Product. (x^2-2)(x^3-4x+9) 2.Find the product:(2x-4y)(2x+4y) 4.Find the product:(8x-3y)^2 a.64x^2+9y^2 b.64x^2-9y^2 c.64x^2-48xy+9y^2 d.64x^2-48xy-9y^2 (b)
  96. Math

    If the scale factor from a small figure to a large figure is given as a percent, how can you find the side lengths of the large figure from the side lengths of the small figure? PLEASE HELP ME!!! PLEASE HELP!!!!! THIS IS SOOOOO CONFUSING AND MY TEACHER NEVER REALLY EXPLAINED ...
  97. math

    hi my name is hedi and i am in serious need with help with some math problems dealing with polynomials can some one please help me? Determine whether each expression is a polynomial. If it is a polynomial, state the degree of the polynomial. (This is the question) 1.5x^3+2xy6^...
  98. math-followup

    A bag got mix up 6 pairs of shoes – 2 red, 2 blue, and 2 purple. Picking randomly in the dark, how many shoes must I pick before for sure that there is one matching pair in red or blue? Ms Sue answered 4. Request for explanation please. math - Ms. Sue, Tuesday, January 29, ...
  99. 4th Grade Math: Help Is Needed ASAP

    My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of 1/8, 1/4, and 3/8? 7...
  100. Math radical equations

    Please show me how to do these step by step because I have a test tomorow and I need to understand how to do these questions : 1. M-1 under the square root sign +5= m-2 2. 3n+10 under the square root = n+4 3. K-9 under the square root - (k under square root )=-1 4. 2h-5 under ...
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