1. math

    Perform the indicated operation and simplify the result if possible. 2 ft. 11 in. + 7 ft. 3 in. A. 9, 2 B. 10, 4 C. 9, 3 D. 10, 2 ? not sure
  2. Math

    Multiply the expressions. Simplify the result. d^2/ ef * 5e^5f/ 4d
  3. math

    The digits of a two-digit number are reversed. When both these two-digit numbers are added, the result is 88, and when subtracted, the result is 54. The original two-digit number contains which of the following digits? 2 3 5 7 Explain your reasoning. How
  4. math

    Two events are independent if the first event has no effect on the second event. Two events are dependent if the result of one event has an effect on the other event. One of the most common examples of these are situations involving picking 2 items from a
  5. math

    My study group is lost on this one also.. Suppose you are managing 25 employees, and you need to form three teams to work on three different projects. Assume that all employees will work on exactly one team. Also, each employee has the same
  6. more chemistry help and proofread

    write the formulas for the following potassium sulfide i put KaS Tin (IV) chloride i put SnCl4 Dihydrogen sulfide i put H2S Calcium Oxide i put CaO Hydrobromic acid i put HBr Aluminum Fluoride i put AlF3 dinotrogen pentoxide i put N2O5 Iron (III) carbonate
  7. math{HELP HELP}

    i don't understand these mmath equations. 1) 6y = 24 2)y / 7 = 2 y=_________ On number one i know that if there is a letter next to a number it means multiplication.and i still don't know how to solve it. On number two i don't understand anything at all:(
  8. math

    Complete the sign for each equation 65/60 - 1 this is what the paper has on it now i think that you are supposed to put a + - * I'm not sure.
  9. algebra

    Okay, how do you factor a polynomial when there is a number in front of the highest x term. For example: how would you factor 2x^2-11x+15 i know the answer is (2x-5)(x-3), right? So you put the 2x on one side and then you put an x on the other. And then
  10. chemistry

    I have to write the complete balanced molecular, ionic, and net ionic equations for the reaction of nickel II chloride + sodium phosphate. What product, if any, is a precipitiate? I started by getting NiCl2 + Na2(PO4) = (PO4)Ni + NaCl. Balancing it I got
  11. Math

    1) Let f(x)=9x-2;g(x)=under square root 3x+7. Find each of the following. A) domain of (f+g) B) domain of fg C) domain of f/g (my answer is all r real number am i right?) 2) Let f(x)=3x-2;g(x)=5x+1. Compute the indicated value. A) (fogof)(2) i don't get
  12. Chem1020

    Consider the following balanced equation. 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table, showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of
  13. Chemistry

    Aldol Condensation What might be the result if you did not add enough Hydrochloric acid and the final pH remained about 7? -Yield would likely increase and the purity of the product would increase -Yield would likely decrease and the purity of the product
  14. math

    3(4u-6)=2(4u-3)-(u-8) what is u 12u-18=8u-6-u+8 Can you take it from here? so I would have combine like terms then add right? what about 3(n-2)-2(3-n)=4(n-3) same thing...use distributive property to multiply, do the operations, solve for n give it a
  15. Math

    Q#1-josh just put new tires on his car. if the wheels have a diameter of 14 inches, determine how far will the wheels travel in 3 revolution, to the nearest hundredth? Q#2-Melanie wants to put ribbon around the circumference of a circular section of the
  16. Math

    posted my last question wrong. 1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a
  17. Science

    Which of the following best describes the result of using a catalyst in a chemical reaction? A. The yield of product is increased. B. A more desirable product is often formed. C. A greater amount of heat energy is released by the reaction. D. The reaction
  18. algebra

    The monthly income I, in dollars, from a new product is given by I(t) = 81000 − 45000e^-0.005t where t is the time, in months, since the product was first put on the market. (Round your answers to the nearest dollar amount.) (a) What was the monthly
  19. math

    The monthly income I, in dollars, from a new product is given by I(t) = 81000 − 45000e^-0.005t where t is the time, in months, since the product was first put on the market. (Round your answers to the nearest dollar amount.) (a) What was the monthly
  20. algebra

    The monthly income I, in dollars, from a new product is given by I(t) = 81000 − 45000e^-0.005t where t is the time, in months, since the product was first put on the market. (Round your answers to the nearest dollar amount.) (a) What was the monthly
  21. Algebra

    find the indicated sum not sure how to type the sigma sign, but here is the problem 6 on top of the sigma sign. under the sigma sign is i=3 and on the right side of the sigma sign (3i-2)
  22. math

    if the inequality is: (x+5/x-2)>0 . "x-5 over x-2 greater or equal to 0". What would be the solution? a.(-infinity sign, -5] U (2, infinity sign) b.(-5,2) c.(-infinity sign, -5) U [2, infinity sign) d.[-5,2] My answer was C. Am I correct?
  23. JAVA PROGRAMMING

    "POWERS" Compute the power of a number given the base and exponent. Do three versions of this program using a while loop, a do-while loop and a for-loop. Introduction Please help..i don't know how to input this in java...please help.tnx
  24. Algebra II

    Provide three points on a graph for the equation y = -2/3x + 4. I have the points (0, 4) and (6, 0). Do you have any idea what a 3rd one might be? Ther are an infinite number of possibilities. Just pick any x you like (except for the two you already have)
  25. world history

    Why did king john of England sign the Magna Carta in 1215? A.The church forced him to sign it in order to set up the Estates General B.His heirs insisted he sign it in order to establish a line of succession C.The Crusades were bankrupting the country.
  26. chemistry

    I have to find delta G from a problem. Not the standard free energy, from the change in engery. So this delta G does not have the degree sign above. The equation i used was deltaG=standard G+RTlnQ If deltaG was a positve number, what does that tell me. I
  27. algebra

    radicals multiply and simplify by factoring ____ ______ ^3|y^7* ^3|16y^8 unsure how to do root square sign.
  28. Physics 121 HW

    A sign has a mass of 1050 kg, a height h = 1 m, and a width W = 4 m. It is held by a light rod of length 5 m that is perpendicular to a rough wall. A guy wire at 23° to the horizontal holds the sign to the wall. Note that the distance from the left edge
  29. Radicals w/rational exponents

    Could someone please help me with this. Assume nonnegative and simplify. v45 + v80 - 3 v20 I couldn't figure out how to insert the radical sign so the v represents the radical sign. (3v5 + v3)(v2 + 2v5) (v3+ 4v7)2square ans=root of 5 sqrt45 + sqrt80 - 3
  30. English

    I have to write a paper on the Scarlet Letter and it says I have to list all symbols that the author uses, also including the literal meaning, the symbolic meaning, and give an example from the novel. I know a good many from reading the book, but I don't
  31. economics

    show working production function: q = 6l – 0.5l2 where q = number of car washes per hour and l = number of workers. a) generate a schedule showing total product, average product and marginal product. (5 marks) b) the price of a basic car wash is $50. how
  32. math

    The scientists Verhulst (1828) where is the natural growth rate of the population when resources are limited and is a positive constant called carrying capacity of the environment. (a) Using sign analysis, find all constant solution and discuss the general
  33. STAT Help Please!

    The probability of getting a certain disease is 0.2. A certain test is available which returns a positive result 90% of the time for those with the disease, and a negative result 75% of the time for those without the disease. Compute Pr{Test positive | No
  34. STAT

    The probability of getting a certain disease is 0.2. A certain test is available which returns a positive result 90% of the time for those with the disease, and a negative result 75% of the time for those without the disease. Compute Pr{Test positive | No
  35. Math

    A candy machine contains 5 times the number of nickels in dimes and is less than 16 the number of quarters. Total value is $12.80. How many are there nickels and dimes? I can't understand what means 5 times the number of nickels in dimes. How do you put
  36. c++

    MACHINE PROBLEMS #2 1. Create a C++ program that would input the following data about a merchandise: Product Number, Item Description, Original Price, Estimated Years of used of a Merchandise, Salvage Value of Merchandise. Compute the Depreciation and Rate
  37. Math

    if x is an even number, what is the quotient of the next greater even number divided by the next greater odd number? i have no idea where to even start with this problem. i would really appriciate some help. Thanks! What can make me studdy harder? hey
  38. statistics

    Ala rge fleet of cars is maintained with an average of 26 mpg. 50 recent trips displayed a mean of 25.02 mpg and standard deviation of 4.1 mpg. At the 5% level of significance, is their evidence the company has failed to keep their fuel goals? I did the
  39. To gina

    I have deleted your post. PLEASE do not put personal information (names, phone numbers, and that kind of thing) on this site. The Internet is not a safe place for that information. I am sorry you arre having trouble with chemistry; however, you must
  40. programming

    I had to create a c code that gets a number, returns how many digits it has,the digits sum, the digits product, to check if the digits sum is equal to product if yes return "1" else return 0, and in the end write a program the prints the first 20 numbers
  41. Religion,help

    What events and figures have shaped the development of Islam in the United States? i really don't know how to answer this question or even what points to hit. I know that one even was the Iraqi war but i don't know what else i can put because i don't want
  42. math

    Ronnie is thinking of a number. He says that he gets the same result when he multiplies his number by 2 as when he adds 5 to his number. What is the number?
  43. science

    we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together
  44. science

    we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together
  45. science

    we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together
  46. English

    Early Inklings Short Essay by John Updike. The title, “Early Inklings” is an example of a pun (a witty play on words that suggest a double meaning) . Explain the pun and the meaning of the title. I don't even know where to start... Also, How
  47. Chemistry

    Consider the following balanced equation: 2N2H4(g)+N2O4(g)→3N2(g)+4H2O(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of
  48. Reading

    I'm doing a project on "The Monkey's Paw." We are supposed to create a warning sign to warn readers about the monkey's paw. I need to be creative with my sign but i don't have a creative spark yet. Help!
  49. Math

    A rectangular school banner has a length of 36 inches and a width of 52 inches. A sign is made that is similar to the school banner and has a length of 22 inches. What is the ratio of the area of the school banner to the area of the sign? What is the ratio
  50. error analysis

    I would like to know the meaning of Omission,Addition, Misformation, Misordering and Blends. You can find the meaning and for example of each meaning ?
  51. Computer Science

    Answer the following question without running the code. The procedure isMyNumber is used to hide a secret number (integer). It takes an integer x as a parameter and compares it to the secret number. It returns: -1 if the parameter x is less than the secret
  52. Math -- not "can someone simplify this for me:10x-20 / x-2 "

    Repeated questions don't get you help faster. Please post only once. Thanks. can someone simplify this for me:10x-20 / x-2 first factor x-2 out of the numerator to get (x-2)10 -------- (x-2) Now cancel the (x-2) to get you answer of 10
  53. what to say?

    my assignment was to create a product so i chose an energy drink called electrify however i don't know what to say when presenting what can i say so ppl can buy my product or simply anything to say during mt presentation
  54. English

    Talk about the things you don't have to do on Sunday. I don't have to study hard. I don't have to see teachers at school. I don't have to see my homeroom teacher. I don't have to walk to school. I don't have to clean my classroom. I don't have to mop the
  55. Math

    For what real number k does the product (25 + ki)(3+2i) equal a real number? I tried dividing by i. So I got: ((25/i)+k)((3/i+2) which would equal (-25i+k)*(-3i+2) which means k would=25i. I don't think that's right but can you guys check it?
  56. programming

    Ancient square root algorithm. The Babylonian algorithm to compute the square root of a number n is as follows:      1. Make a guess at the answer (you can pick n/2 as your initial guess).      2. Compute r = n / guess      3. Set guess =
  57. Math

    Simplify: f(x)=sqrt (16-x^4)/ sinx This is to evaluate a limit, but I don't know if I can simplify the above equation. Because I tried to get rid of the radical in the numerator but I ended up with a radical in the denominator. >< Help
  58. MATH

    WHich word phrase can you represent the algebreic expression 4? 1.The product of 4 and a number z RIGHT? 2.the sum of 4 and a number z 3.The quotieent of 4 and a number z 4.The differnce of 4 and a number z
  59. math

    find the product to :5.7*17.3* 651*387*0*82.1= key:the star signs are sign of multiplication.
  60. Algebra story problem

    I need to turn this story into an algebra problem: Your cousin ears $25 per week babysitting and receives one $5 bonus. You earn $15 per week mowing lawns and $12 a week running errands. After working the same number of weeks, you have $11 more than your
  61. Algebra II

    Simplify the complex fraction: x+(4x/y)/(7/3x) I know that the answer is 3x^2(y+4)/7y. I don't know how to get this answer. Can someone please help me walk through this and figure out how to simplify it? I would be so grateful.
  62. Algebra

    Which word phrase can you use to represent the algebraic expression 6y? 6 less than a number y the sum of 6 and a number y the product of 6 and a number y** the quotient of 6 and a number y
  63. Pre- Algebra

    1. What is (-7)^5 in expanded form? 2. Simplify the expression. (-3)^4 a. 81 b. -81 c. -12 d. 12 3. Which expression is equivalent to 4x4x4x4x4x4x4x4? a. 4 x 8 b. 8^4 c. 8x8 d. 4^8 4. 2/3 x 1/2? Simplify to lowest terms 5. Solve 1/6 / 2/6 6. Which of these
  64. English

    1. What is your animal sign? 2. What is your Oriental animal sign? 3. What is your star sign? 4. My animal sign is Cow. 5. My animal sign is the Cow. 6. My animal sign is the cow. (Which expressions are correct?)
  65. Algebra

    I cant write the sign for square root so I will just write it out. The problem says to simplify square root 5w^8v square root 20xu^2 I don't know how to figure out this problem.
  66. algebra

    Multiply and simplify. Assume that no radicands were formed by raising negative numbers to even powers. √6x3 √18x2 I have never been good at figuring this formula out with square roots and I am practicing for a test next week and I really want
  67. math

    What is the lowest numberthat has a remainder of 1 when divided by 2 and a remainder of 2 when devided by 3 and a remainder of 3 when divided by 4 and a remainder of 4 when divided by 5? The answer is 59. There is a general method for solving such problms,
  68. calculus please help

    the actual problem is integral(2 to +infinity) (1/x^2) dx and after integrating and plugging in the bounds, i got -1/(infinity sign)+ 1/2 does that converge to 1/2, Ln2, 1, 2 or is the answer nonexistent? what i was thinking that everytime the bottom
  69. Algebra2(check part 1)

    1)Solve the matrix:[2x] [14]for x [3y]=[12] answer=7 2)V[3 1] [0 2] [-4 5].The dimensions of matrix V. answer=3x2 3)The first row of T+U T[4 -5 2] U[-9 6 4] [8 -1 3] [-5 -2 3] answer=[-5 1 6] 4)The first row of V-T. V[3 1] T[4 -5 2] [0 2] [8 -1 3] [-4 5]
  70. Math

    Write the word sentence as an equation. The product of a number m and 2 is 8 2m=8 6 less than a number t is 7 t-6=7 A number m increased by 5 is 7 ? 8 is the quotient of a number g and 3 ?
  71. math

    A product of a two digit number is24 when the number is reverse exceed the original number by 27 find the number
  72. Math

    Whcih is correct: 1/2% of 50 is 25. OR.. 1/2 of 50 is 25? The difference of this two is that choice number one has a percent sign and the second choice doesn't have a percent sign.
  73. math

    I'm sorry to keep asking, but I really need help finding this windows. Usually I put the x and y values as 10 and -10, but with the numbers I don't know how to do it. Is there any way they can be automatically put into the calculator?
  74. English

    Hi. I've been learning some new words and have a question about "demarche". As for its diplomatic meaning, everything is clear, but I don't know how to use its meaning "a statement or protest addressed by citizens to public authorities". Do you think it's
  75. Algebra 1

    1. Unable to type equation 2. One day when Terry went to school the temperature outside was −15 degrees Fahrenheit. In Terry’s classroom the temperature was 68 degrees Fahrenheit. How many more degrees was it inside the building than outside? A.
  76. chemistry-Buffer Q

    You have a solution of .5 L of 1.74g of NH3 and 4.15g of (NH4)2SO4. How many ml of 14M HCl is required for a pH of 9.00? I don't know how to go finish this one. I thought about figuring the concentrations of each (NH3, NH4), making an ice table and solving
  77. Algebra 1.

    Factor: 50r^8 – 32r^2 The caret symbol represents a power. 2r^2(25r^6+16)= 2r2(25r6+16) DrBob222 forgot a minus sign: 50r^8 – 32r^2 = 2r^2(25r^6 - 16) Then, inside the brackets, you see a difference of two squares: 25r^6 - 16 = X^2 - Y^2 with X = 5 r^3
  78. math

    Use the number sentence 78 x 12= 936 to find each product. a. 7.8 x 1.2 = ? i don't get this. can you help me? it's decimal point thing 7.8 x 1.2=9.36 two decimal places
  79. English

    1. I think I can fit in you. 2. I think I can fit you. (Are both the same? In #1, 'fit' is an intransitive verb. And in #2, 'fit' is a transitive verb. Right? Do you have some more expressions which could be used instead of 'fit' in each sentence?) 3. It
  80. Biochem

    The number _____ and _____ sign are assigned to the first nucleotide of a transcriptional unit. a. 0, positive b. 1, negative c. 1, positive d. 0, no sign No idea what the answer might be. Since this is not my area of expertise, I searched Google under the
  81. organic chem lab

    I have been given the below information and asked to calculate the amount solvent and reactants needed to be used to obtain 1.0 g of the product. Benzyltriphenylphosphonium chloride. In a 100 mL round bottom flask (rbf), 5.2 g triphenylphosphine was
  82. math 12

    i know how to do the majority of these type of questions, but i don't know how to simplify this one all the way.. 8(2x-1)^3= 125 i know you could go (2x-1)^3= 125/8 (2x-1)^3= (5/2)^3 but how can i simplify any further, and yes there is an answer.
  83. Math

    Can you think of situations in which it might be preferable to compute with decimals rather than fractions or to compute with fractions rather than decimals, give examples of each situation and tell why you think that number form is preferable
  84. English-Ms. Sue

    Ms. Sue here is the poem that I was working on yesterday. I added other things onto here; I am still working on my ending, but I need your help with one sentence. The magic box I will put in the box Hugs and kisses from my family The daylight brought from
  85. math

    How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation and put an inequality sign in its place, is there ever a time when the same value will be a solution to both the equation and
  86. Math(I Don't Get THIS!!)

    15sqrt8x^16/5sqrt2x^4 *I totally need help with this one!Please help me.! I'm going to assume your problem is this: 15√(8x^16) / 5√(2x^4) You can start by simplifying what's outside the square root sign. 15/5 reduces to 3/1. We end up with
  87. english III AP class questions

    So I've signed up for Ap this year. I was wondering, do the teachers expect us to know the meaning of terms such as: grammatical functions, rhetorical appeals, brevity, metonymy, and so on? We've been given a packet that gives a article we're supposed to
  88. Managerial Accounting

    The overhead rate for materials handling is $10 per part based on an estimated total cost of $900. Products X & Y have 320 and 280 parts respectively. What is the overhead allocated to X & Y? A. Product X $3,200, Product Y $4,400 B. Product X $4,800,
  89. math

    mary an jim have tickets to a concert. mary`s ticket number is one less than jim`s ticket number. the product of their numbers is 812. what are the two numbers? (x)(x-1) = 812 This is impossable, as an odd number added to an even number always yeilds an
  90. MAth

    17. Choose the correct list of the factors of the number 8. A) 1, 2, 4, and 8 B) 1 and 8 C) 2, 2, and 2 D) 1, 2, and 8 18. One kilometer is equal to 1,000 meters. What fractional part of a kilometer is 700 meters? Simplify your result. A) B) C) D) 19.
  91. Math

    i am a number. i am the product of the number of digits in a half billion and the number of years in a decade. What number am i ?
  92. Math

    Aaron is thinking of a number. It is the sum of 10 and the least digit number and also the product of 20 and the least counting number. What is the number?
  93. business finance

    HELP ME GET STARTED ON THIS. I don't know what to do with the estimated demande & probability. This requires managers to estimate demand for the new product and assign probabilities. A range, rather than only one goal will be established. The first
  94. MATH 4 GRADE

    write the product as the product of a whole number and a unit ffraction. 3x2/4=
  95. Math

    Find the integrals. (show steps) (integral sign) xe^(4x^2) I think this how is how its done: (integral sign) xe^(4x^2) it's a u du problem let u=4x^2 so, du=8x dx now you have an x already so all u need is 8 inside and and 1/8 outside the integral [1/8]
  96. math

    In the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up.
  97. math

    in the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up
  98. Creating an Advertisement

    Yes Ms. Sue my target is the audience. Learned about the HBC company, and now have to do a Ad on it. What could my title be? I was trying to look for a good slogan, but I don't know. I don't really want it to be as simple as...."Work for the HBC" I've
  99. Math

    How do you write the product as a product of a whole number and a unit fraction of 3×4/5 equals
  100. elementary

    Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.