1. Personal Fiance

    You think that in 8 years it will cost $247,000 to provide your child a 4-year college education. Will you have enough if you take $77,000 today and invest it for the next 8 years at 8 percent? Round the answer to the nearest cent. Round FV-factor and

    asked by Michelle on January 19, 2018
  2. Statistics- I'm stuck and its due tonight

    In a particular hospital, 6 newborn babies were delivered yesterday. Here are their weights (in ounces): 112, 96, 109, 126, 99, 106 Assuming that these weights constitute an entire population, find the standard deviation of the population. Round your

    asked by Rachal on February 13, 2011
  3. Math

    Can anybody show me step by step pls? A man invests $3000 in an account that pays 7.5% interest per year, compounded quarterly. 1. Find the amount after 3 years? (Round your answer to the nearest cent.) how much $? 2. How long will it take for the

    asked by alice on August 10, 2015
  4. Math

    ABC Bank offers a savings account with 4.5% compounded quarterly. Find the APY the bank's savings account offers (round your answer to three decimal places).

    asked by Jen on January 9, 2013
  5. Pre-Algebra

    A 9 foot ladder leans against a building at a point 7 feet above the ground. At what height would a 15 foot ladder touch the building if both ladders for the same angle with the ground? Propotion? But I just get a decimal...

    asked by Dean on January 5, 2010
  6. math with application

    If 12 % of a radioactive substance decays in 7 hours, what is the half-life of the substance? Carry out all calculations exactly, then round the final answer to three decimal places. The half life is what hours?

    asked by liv on October 16, 2015
  7. Algebra II

    Solve, round to 4 decimal places if necessary: 3.9^m-4=10.21 Answer: (m-4)In(3.9)=In(10.21) m(In3.9)-4(In3.9)=In(10.21) m=(In10.21)+4(In3.9)/In3.9 m=7.7672/1.3609 m=5.7074 e^3x>=21 Answer: Ine^3x>=21 3x=In21 x=In21/3 x=1.0148 Thanks

    asked by Lucy on March 29, 2008
  8. Physics

    A long jumper approaches his takeoff board A with a horizontal velocity of 30ft/s. Find the vertical component (vy) of the velocity of his center of gravity at takeoff for him to make the jump if he lands at a spot 22ft from point A. What is the vertical

    asked by Fred on October 4, 2009
  9. Chemistry

    What mass (g) of magnesium chloride (MgCl2) must react with sulfuric acid (H2SO4) to release 890.2 ml of Hydrogen chloride (HCl) gas at STP according to the following equation? Round to one decimal place. MgCl2 (s) + H2SO4 --> MgSO4 (aq) + 2 HCl

    asked by Linzy on April 8, 2013
  10. calculating statistical data

    last month, the release of information specialist received 232 requests for information. he was able to answer 176 within the specified time frame of five working days. what is the rate of compliance in the answering requests within the specified time

    asked by marcus on July 23, 2014
  11. Chemistry

    A 0.885 M solution of sulfuric acid (H2SO4) is to be reacted with a 0.552 M solution of sodium hydroxide to make sodium sulfate and water. How many L of the H2SO4 solution will react with 0.842 L of the NaOH solution? Give your answer to 3 decimal places.

    asked by Devin on April 29, 2015
  12. Math

    It's been a long time!!!! but I need to express a ratio of 5416 to 9934 in the form of 1 : x give answer to 1 dec point. All I could get was 2708 : 4967 but it doesn't appear right. 5416/9934 = 0.5452, or 1/1.83419 in 1/x format If you want the answer to

    asked by kevin on May 8, 2007
  13. Statistics

    The Probability that a randomly selected commuter listens to audiobooks during their commute is 0.49. Suppose that a sample of 10 commuters is selected, what is the probability that at most 3 of them listen to audiobooks? Write only a number as your

    asked by sam on October 2, 2015
  14. Pre-Cal (Help Plz!)

    Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.) (tan^2θ-9)(2cosθ+1)=0 θ=__________________ I got

    asked by Amber on July 11, 2016
  15. math

    The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) =

    asked by Hannah on November 4, 2010
  16. Math

    The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) =

    asked by Hannah on November 3, 2010
  17. Math(Quick question)

    The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) =

    asked by Hannah on November 3, 2010
  18. Calculus

    Question Details: Do the following. (Round your answers to four decimal places.) (a) Estimate the area under the graph of f(x) = 8 + 2x2 from x = -1 to x = 2 using three rectangles and right end-points. R3 = 1 Improve your estimate by using six rectangles.

    asked by Cindy on April 26, 2010
  19. Calculus Help Please Urgent!!!

    A cone-shaped paper drinking cup is to be made to hold 30 cm^3 of water. Find the height and radius of the cup that will use the smallest amount of paper. (Round your answers to two decimal places.) Height = ? Radius = ? Show work please!!!

    asked by Patrick on April 15, 2014
  20. Calculus Help Please!!!

    Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answers to three decimal places.) ln(1 + x) ≈ x Y1= I

    asked by Tanya on April 4, 2014
  21. Math

    Please solve the word problem. Siti opened a 2-kg packet of flour. She used 4/9 of the flour to make a pizza. Then she used 2/7 of the remaining flour to make cakes. Find the mass of the packet of flour that she had left. Express your answer correct to 2

    asked by Tabassum sultana on January 26, 2019
  22. calculus

    The volume V, in liters, of air in the lungs during a two-second respiratory cycle is approximated by the model V = 0.1729t + 0.1522t^2 − 0.0374t^3, where t is the time in seconds. Approximate the average volume of air in the lungs during one cycle.

    asked by Sam on May 10, 2016
  23. physics

    Two horizontal turntables are in contact with each other at their outer edges, and the static friction between them allows them to turn together (in opposite directions) without slipping. Thelarger turntable has a radius of 0.36m, and the smaller turntable

    asked by ChrismB on May 16, 2016
  24. childcare

    Patrick, a new six-year-old in your facility, is causing some problems with the other children. He never completes one activity, but jumps from group to group. He refuses to wait his turn when playing games. Every time he stars a new friendship, he ends it

    asked by Abbie on December 17, 2009
  25. Math 115

    Need some help with two questions 1. 6.5% of what number is 325? I got 325 ÷ 0.065 = 5000 Is that corrrect? The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation

    asked by Debbie on November 30, 2008
  26. Calculus II

    So I'm trying to integrate a function using partial fractions. Here is the integral of interest: ∫(3x^2+5x+3)/[(x+2)(x^2+1)]dx. Since the numerator's degree of the polynomial is lesser than that of the denominator's degree, it is clear to separate.

    asked by Justin on April 25, 2016
  27. Math

    For each 10-degree adjustment on your water heater thermostat, you can reduce carbon dioxide emissions by 500 pounds a year. By how many pounds will you reduce your carbon dioxide footprint if you turn down your water heater thermostat from 140¢ªF to

    asked by Kristi on April 8, 2013
  28. physics

    A toy train track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis (see the figure). A toy train of mass m = 2.5 kg is placed on the track and, with the system initially at rest, the electrical power is turned

    asked by Emily on November 9, 2009
  29. Texas Government

    the excise tax on gasoline is an example of a tax based on a benefit received rather than on the ability to pay. a. yes b. no This is obviously Yes since in the book it says >> For many governments the primary source of revenue is taxes, which in turn can

    asked by HM on November 23, 2011
  30. Finance

    Marcel Co is growing quickly. Dividends are expected to grow at a 30 percent rate for the next three years, with the growth rate falling off to a constant 6 percent thereafter. If the required return is 13 percent and the company just paid a $1.80

    asked by Delaney on July 30, 2010
  31. physics

    the tub of a clothes washer goes into its spin-dry cycle starting from rest and reaches an angular speed of 6.50 rev/s in 7.85 seconds. at this point, the person doing the laundry opens the lid, and a safety switch turns off the washer. the tub then slows

    asked by matt on September 20, 2007
  32. Physics

    7. An early objection to the idea that the earth is spinning on its axis was that the earth would turn so fast at the equator that people would be thrown into space. Show the error in this logic by calculating the centripetal force needed to hold a 100. kg

    asked by Brian on February 2, 2015
  33. math

    a cab charges the following fare for ea. trip...first 1/4 mi $2.95 for every additional 1/4 mi or part $0.65 (a)what is the fare for a distance of 1 5/8 mi? my answer...I got $8.85 (b) what is the fare for a didtance of 10 3/4 mi? My answer...$30.25

    asked by matt on January 9, 2011
  34. calculus

    a billboard 20ft tall is located on top of a building with its lower edge 60 ft above the level of a viewers eye. how far from a point directly below the sign should a viewer stand to maximize the angle (theta) between the lines of sight of the top and

    asked by rachel on November 6, 2011
  35. math

    if Amy stands 36 feet from a flagpole and the angle formed from the top of the flagpole to her feet is 38 degre, find the distance from her feet to the top of the flagpole. include correct units in your anwser and round to 2 decimal places...

    asked by joey on February 16, 2011
  36. Math

    From a sample set of 10 colored balls--5 green, 3 red and 2 yellow-- 5 are chosen at random WITH replacement. What is the probability that the result will be: green, red, yellow, red, green? Write your answer as a four place decimal number. p(G,R,Y,R,G)

    asked by Jazz on March 13, 2016
  37. reading

    It was the summer before Ichiro started fifth grade, and he was about to turn ten. His family had just moved to a new city, so he didn’t know many other children, but his mother suggested that he host a birthday party and invite some of the friends he

    asked by lana on October 18, 2015
  38. Biochemisty

    The DNA alpha-helix structure has 566900 complete turns. The average molar mass of one base pair of nucleotides in DNA is approximately 469 g/mol. If the spacing between successive base pairs is about 0.69 nm, and a complete turn in the helical structure

    asked by Rin on March 20, 2014
  39. Probability and statistic

    An assembly consists of three mechanical components. Suppose that the probabilities that the first, second, and third components meet specifications are 0.95, 0.96, and 0.98. Assume that the components are independent. Let X be the number of components

    asked by Maureen on June 23, 2016
  40. statistics

    last month, the release of information specialist received 232 requests for information. He was able to answer 176 within thee specified time frame of three working days. What is the rate of compliance in answering requests within the specified time frame?

    asked by laverne on June 7, 2015
  41. Math 101

    You order twelve burritos to go from a Mexican restaurant, five with hot peppers and seven without. However, the restaurant forgot to label them. If you pick three burritos at random, find the probability that at least two have hot peppers. (Round the

    asked by Wardell on November 20, 2009
  42. Math

    I need help with this homework question: The dosage for a medication is 1/3 ounce for every 40 pounds of body weight. At this rate, how many ounces of medication should a physician prescribe for a patient who weighs 150 pounds? Write the answer as a

    asked by Lisa on November 10, 2008
  43. Calculus

    The acceleration function (in m/s2) and the initial velocity v(0) are given for a particle moving along a line. a(t) = 2t + 2,    v(0) = −3,   0 ≤ t ≤ 5 (a) Find the velocity at time t. v(t) = t^2+2t-3 m/s (b) Find the distance traveled during

    asked by Anon on December 9, 2017
  44. Probability

    hundred people apply for three jobs. 110 of the applicants are women. (a) If three persons are selected at random, what is the probability that two are women? (Round the answer to six decimal places.) 3C2(110/400)^2(290/400)=0.164484 wrong answer

    asked by Anonymous on September 18, 2015
  45. Algebra

    Gerry plans to place a 24-foot ladder against the side of his house. The bottom of the ladder will be 4 feet from the house. How far up the side of the house will the ladder reach? Answer exactly or round to 2 decimal places.

    asked by Keonn'a: Please help me ? on November 7, 2017
  46. EXCEL 2010 (again)

    I am not allowed to use the AutoSum or AVERAGE functions to work out this problem. I need to find the average of a cell range. C3:C9 contains numbers (one cell contains zeros) the range adds up to 230. To find the average I need to use the information

    asked by Trinity on June 21, 2014

    Let y(t) denote the mass of a radioactive substance at time t.t. Suppose this substance obeys the equation y′(t)=−14y(t). Assume that, initially, the mass of the substance is y(0)=M>0. At what time does half of the mass remain? (Round your answer to 3

    asked by Sarah on June 20, 2016
  48. Algebra

    Let P0 = $1000.00. • k = 0.5% = _____0.005______ as a decimal. Compute and explain how to find the doubling time. Then, write the compound interest equation for this value of k and the 3 values for t. Number of years Equation New Value 1

    asked by Brittany on June 28, 2016
  49. Calculus

    For a cylinder with a surface area of 90, what is the maximum volume that it can have? Round your answer to the nearest 4 decimal places. The volume of a cylinder is πr^2*h and the surface area is 2πrh+2πr^2.

    asked by John on November 4, 2015
  50. Math

    An automobile assembly runs for 9 3/4 hours each day. Workers work 3/4 hours shifts. How many shifts are in each day? i put 9 3/4 divided by 3/4. But that's a decimal then i tried 3/4 divided by 3/4 but thats worse. Help me please.

    asked by JadaBrooks on November 21, 2016
  51. math

    Peyton has 2 pizzas. Each pizza is cut into 10 equal slices. She and her friends eat 14 slices. What part of the pizzas did they eat? Write your answer as a decimal. My answer is 1.4

    asked by Anonymous on February 7, 2014
  52. math

    is this correct? Determine the surface area of the right triangular prism shown below. Round all measurements to one decimal place. 3.0*3.0=9.0*2=18 8.0*3.0=24 3.0*3.0=9 the surface area of this triangular prism equals to 18+24+9= 51

    asked by anonymous00000 on December 10, 2013
  53. Science

    The mutual gravitational attraction between two masses in space is 686 Newtons. What is the new gravitational force between these masses if the distance between them is increased by a factor of 5.6? To be graded correctly, enter the new weight in Newtons

    asked by Erika on February 6, 2017
  54. Calculus

    A professional athlete signs a four-year contract in which the earnings can be modeled by c = 300,000 + 750,000t, where t represents the year. (a) Find the actual value of the athlete's contract. (b) Assuming an annual inflation rate of 4%, what is the

    asked by Calculus Help on November 12, 2015
  55. Physics - Astronomy

    A hypothetical moon is orbiting Saturn in a circular orbit that has exactly 3 times the period that an object orbiting in one of one of the gaps in Saturn's rings would have. As measured from the center of Saturn at what fraction [to 3 decimal places] of

    asked by Leslie on November 15, 2012
  56. alerbra

    32/100 write in decimal form 32/100 write in reduce fraction form divide 44 into 16.5

    asked by stephaine on October 13, 2008
  57. math

    write in fractional notation 16.904 write in decimal notation 4149/10,000 is this right 0.4149

    asked by miss c on May 7, 2012
  58. Math Q.2

    A gymnast is 4 5/12 tall.Which decimal is equivalent to 4 5/12? A. 4.416 B. 4.416 ( 6 is repeating) C. 4.512 D. 4.512 ( 2 is repeating)

    asked by Cassie on January 12, 2012
  59. Math

    The fraction 6/10 is not written in simplest form. Write the fraction in simplest form and equivalent decimal.

    asked by Anonymous on October 14, 2013
  60. MATH

    For the decimal 8.62354: What is the place value of 5? IS IT TEN-THOUSANDTHS Hundredths Thousandths Ten-thousandths Hundred-thousandths

    asked by Sue on March 1, 2008
  61. calculus

    A police car is driving northward, chasing a vehicle which has just taken a right turn at an intersection, and is travelling due west. When the police car is 600 yards south of the intersection, and the car is 800 yards east of the intersection, an aerial

    asked by ellie on April 12, 2011
  62. English

    I had to write a brief review on a movie and needed five adverbs and five adjectives and three superlatives and three comparatives here is what I wrote.The supporting character I was most impressed with was Frenchie. She did a terrific job, both in her

    asked by Kathy on March 23, 2011
  63. Math

    A basketball player received a contract from the New York Knicks in which he was offered $5 million a year for ten years. Determine the present value of the contract on the date of the first payment if the interest rate is 3 % per year, compounded

    asked by Sherlock on December 12, 2014
  64. Math-stats

    I am having so much trouble calculating Type 2 error in simple questions, can someone pleaseeeee help me by explaining what to do? Let ƒÊ denote the true average diameter for bearings of a certain type. A test of Ho: ƒÊ = 0.5 versus Ha: ƒÊ ‚ 0.5

    asked by Franky on April 8, 2010
  65. Statistics

    74% of freshmen entering public high schools in 2006 graduated with their class in 2010. A random sample of 81 freshmen is selected. Find the probability that the proportion of students who graduated is greater than 0.750 . Write only a number as your

    asked by Obi on October 18, 2015
  66. Math

    A basketball player received a contract from the New York Knicks in which he was offered $5 million a year for ten years. Determine the present value of the contract on the date of the first payment if the interest rate is 3 % per year, compounded

    asked by Leone on December 12, 2014
  67. statistics

    in a test for esp a subject is told that cards the experimenter can see but he cannot contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is

    asked by steven on March 24, 2010
  68. Physics

    Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 6.00 s, it rotates 28.0 rad. During that time, what are the magnitudes of (a) the angular acceleration and (b) the average angular velocity? (c) What is the

    asked by S.Jacob on November 25, 2011
  69. physics EM

    A 59.0 -turn, 4.10-cm-diameter coil with R = 0.530 {\Omega} surrounds a 1.70-cm-diameter solenoid. The solenoid is 21.0 cm long and has 170 turns. The 60 Hz current through the solenoid is I_sol = (.470A)*sin(2*pi*f*t). I guess f is the frequency. Find the

    asked by Spencer on April 7, 2008
  70. pharma medicines

    a dose of beclomethasone inhalant is 200mcg twice a day. the commercial inhaler delivers 50mcg per inhalation and contains 200 inhalations.how many inhalers should be dispensed to a patient if a 60-day supply is prescribed? At 50 mcg per inhalation, 200

    asked by rimple on December 2, 2006
  71. msth

    Professor White asked his students to put the number of hours each studied for the final exam on a piece of paper and turn that paper in with the exam. The pieces of paper indicate that students studied 10, 3, 4, 25, 1, 4, 4, 12, 6, 8, and 10 hours. What

    asked by Anonymous on February 23, 2014
  72. Accounting

    At the market close on February 19, 2010, McDonald's Corporation had a closing stock price of $64.74. In addition, McDonald's Corporation had a dividend per share of $2.05 over the previous year. Determine McDonald's Corporation's dividend yield. (Round to

    asked by TS on June 8, 2013
  73. Algebra 2

    Find the distance between the points (12, 8) and (4, 2). 100 units 14 units 10 units –10 units Find the midpoint of the points (3, 1) and (7, –5). (1, 6) (2, 1) (2, –3) (5, –2) Find the vertex and focus of the parabola whose equation is 4y = x2 +

    asked by Ben on June 4, 2011
  74. maths

    The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using the formula. I = W/H^2 (I = W divided by H squared) Where I is the body mass, W is the person’s weight in kg, and H is the

    asked by sarah on May 10, 2007
  75. math

    a bus driver filled up 7/8 of her fuel tank for a trip. she used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70 gallons. how much fuel did she sue for the trip. express answer a decimal

    asked by joe on April 17, 2017
  76. English- Man for all Seasons

    Heyy! well my question is in regards to man for all seasons a play by robert bolt. we are asked to identify a living person that resembles the "common man" character. the common man resembles the masses, he has a passive attitude of the world, and refuses

    asked by Me on July 13, 2009
  77. Academic 4-year plan: Zoology

    I want to work in the field of zoology when I get older, and I'm filling out an "academic 4-year plan" our counselors gave to my class to complete and turn in on Monday. The science and math I'm taking this year are physics and geometry. Can you take

    asked by Emily on December 1, 2007
  78. English

    Can't you use the present perfect in the sentence "Richard has shown me a film about Wales"? If I turn it in the passive voice using the personal construction: I have been shown a film by Richard Why shall I use the simple past in the passive voice if the

    asked by Henry1 on May 15, 2011
  79. Probability

    Mr.Roy needs two students to help him with a science demonstration for his class of 18 girls and 12 boys. He randomly chooses one student who comes to the front of the room. He then chooses a second student from those still seated. What is the probability

    asked by Mi on April 27, 2016
  80. calculus

    A piece of land is shaped like a right triangle. Two people start at the right angle at the same time, and walk at the same speed along different legs of the triangle while spraying the land. If the area covered is changing at 4m^2/s how fast are the

    asked by theo on July 4, 2010
  81. math

    how do you convert 12.55 to percent? i get 1,255% is that correct? or should it be 125.5%? If the 12.55 is a decimal, then .1255 is the percent. Per Cent means "per 100". the math problem asked me to find the percent increase of the population in africa

    asked by Dena on April 25, 2007
  82. math

    would 64974000345 be written 6.4*10^10 or 6.4974*10^10 2) how would you write 7.991*10-10 in scientific notation? 3) does 9.0 have 2 (sf) and 100.0000 have (7sf)?I'm confused about the trailing zeros when it comes to decimal points.These are trailing

    asked by jo on October 9, 2009
  83. Precalculus

    A surveyor stands on one edge of a ravine. She determines that the ravine w is 140 feet wide. She then determines that the angle of depression from the edge where she is standing to a point on the bottom of the ravine a is 57.5°, as shown in figure below

    asked by Anonymous on December 13, 2010
  84. Statistics

    Suppose a random sample of 5790 physicians in Colorado showed that 3141 provided at least some charity care. Let p represent the proportion of all Colorado physicians who provide some charity care. Find a point estimate for p. Round your answer to four

    asked by Jared on June 20, 2010
  85. Pre-Calculus

    A pomegranate is thrown from a ground level straight up into the air at time t = 0 with velocity 67 feet per second. Its height at time t seconds is f(t)=-16^2+67t. (a) Find the time it hits the ground and (b) the time it reaches its highest point. (c)

    asked by Becky on January 31, 2013
  86. math

    Let f(t) = Q0at = Q0(1 + r)t. f(7) = 75.94 and f(9) = 91.89 (a) Find the base, a. (Round your answer to two decimal place.) a = I honestly have no idea how to approach these problems. I wrote out the different equations: 75.94 = Q0a^7 and 91.89 = Q0a^9 but

    asked by Stella on August 30, 2015
  87. algerbra

    The participants in a weight-loss class lost the following weights (in pounds) after three weeks of dieting: 1,5,2,1,3,6 Assuming that these weights constitute an entire population, find the standard deviation of the population. Round your answer to at

    asked by paul on August 27, 2014
  88. Chemistry

    Element X has three isotopes Isotope 1 Isotope 2 Isotope 3 Mass 28 29 30 Abundance % 92.18 4.71 3.12 ii)Use the isotope abundances and masses to calculate the relative atomic mass of x. Quote your answer to one decimal place. ii) Identify Element X. Show

    asked by 0oooooooo0 on October 4, 2017
  89. Math

    Subtract fractions: The third- graders used the recipes below to make Native American desserts for Multicultural Day. Use the recipes to solve each problem. Cherokee Blackberry cobbler 1/4 quart black berries 1 cup corn meal 1/3 cup milk 3/6 cup honey 2/16

    asked by Nawaf on February 5, 2014
  90. Pre-Calc Helppp!!!

    Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that B1 is smaller than B2.) a = 39, c = 40, angle A

    asked by John on March 31, 2012
  91. college algebra

    water from a tank is being used for irrigation while the tank is being filled. The two pipes can fill the tank in 6h and 8h, respectively. the outlet pipe can empty the tank in 24h. How long would it take to fill the tank with all three pipes open? round

    asked by Zachery on December 12, 2012
  92. english

    Identifying and Replacing Verbs. In each sentence, underline the verb or verb phrase, if it is an action verb rewrite it with another action verb. If it is linking just leave it. I got -8 out of 6. First sentence is 1. Owls can turn their heads almost all

    asked by Michael on May 2, 2012
  93. Physics

    A block of mass 0.229 kg is placed on top of a light, vertical spring of force constant 4665 N/m and pushed downward so that the spring is compressed by 0.093 m. After the block is released from rest, it travels upward and then leaves the spring. To what

    asked by beavis on March 17, 2012
  94. math

    the radius of a circle when the numeric values of the circumference and area are equal. circumference = 2*pi*r area = pi*r^2 Set them equal and solve for r. thanks! i understand it now! 2*3.14*r=3.14*r^2 6.28*r=3.14*r^2 r=3.14 Is that right? It doesn't

    asked by christina on October 25, 2006
  95. English

    Is this a good sentence using the words: affliction: the cause of persistent pain or distress I was afflicted by grief after my cousins death. Digress: to turn aside especially from the main subject of attention or course of argument While discussing the

    asked by Christina on April 7, 2010
  96. English

    If there is much running water from the faucet, the water becomes lukewarm. So you should turn down the faucet a little so that it has little running water, and then the water will become more warm or hot. Then the baby in the bath tub will not feel cold.

    asked by rfvv on November 20, 2012
  97. Math

    A company makes batteries with an average life span of 300 hours with a standard deviation of 75 hours. Assuming the distribution is approximated by a normal curve fine the probability that the battery will last:(give 4 decimal places for each answer) a.

    asked by carissa on April 28, 2017
  98. math please help me!

    Estimate the instantaneous rate of change of the function f(x) = x ln x at x = 1 and at x = 3. (Use h = 0.1, 0.01, 0.001, 0.0001, and so on. Round your answers to four decimal places.) f '(1) = f '(3) = What do these values suggest about the concavity

    asked by Natalie on September 16, 2015
  99. AP Chemistry

    Calculate the delta H rxn for the following reaction: CH4(g)+4Cl2(g)-->CCl4(g)+4HCl Use the following reactions and given delta H's: 1) C(s)+2H2(g)-->CH4(g) delta H= -74.6 kJ 2) C(s)+2Cl2(g)-->CCl4(g) delta H= -95.7 kJ 3) H2(g)+Cl2(g)-->2HCl(g) delta H=

    asked by Caitlyn on December 13, 2015
  100. Calculus

    A professional athlete signs a four-year contract in which the earnings can be modeled by c = 300,000 + 750,000t, where t represents the year. (a) Find the actual value of the athlete's contract. =7200000 (b) Assuming an annual inflation rate of 4%, what

    asked by akash on November 12, 2015