1. math

    Carlos hiked 1 and 3/4 miles along a nature trail to a fork in the trial. He than hiked 2 and 1/2 along a path that led to a waterfall. When carlos reached the waterfall, how far had he hiked altogether?

    asked by Jeff on May 7, 2012
  2. Physics

    the distance of a planet from its sun is 19000000 miles. if there are 29400000 seconds in one orbit, find the speed of the planet in its orbit about the sun. (assume a circular orbit)

    asked by S on January 18, 2016
  3. math

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Find a simplified expression that represents the total

    asked by dylan on October 27, 2009
  4. math

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Find a simplified expression that represents the total

    asked by dylan on October 27, 2009
  5. Pre-Calc

    A rectangular package to be sent by a delivery service can have a maximum combined length and girth (perimeter of a cross section) of 120 inches. a. Show that the volume of the package is V(x)= 4xsquared(30-x) b. Use your graphing calculator to find the

    asked by Hannah on September 26, 2010
  6. Math

    The following interval represents the solution of an absolute value inequality. Find an example of an absolute value inequality whose solution is described by this interval. [-2,1] please expalin

    asked by Help:( on March 19, 2010
  7. Math

    The cost of a pizza is $10.50 for no toppings, $12 with 1 topping, $13.50 with 2 toppings, $15 with 3 toppings, etc. what is a recursive formula that represents the cost of a pizza with n toppings?

    asked by Bryce on November 3, 2016
  8. Calculus - #4

    Suppose g(x)={1/(x-2) if x

    asked by Samantha on November 6, 2013
  9. Calculus

    Suppose g(x) = { 1 / (x-2) if x < 1 2x - 3 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontuity C.) has an infinite discontuity D.) has a removable discontuity E.) None of the

    asked by Mishaka on October 13, 2011
  10. Chemistry

    Suppose you had a 100.0 gram sample of iron and that 1.00 kJ is applied to the sample . by what amount would the temperature of the sample be raised?

    asked by Dana on December 14, 2010
  11. Calculus - #3

    Suppose g(x)={1/(x-2) if x

    asked by Samantha on November 6, 2013
  12. Trig

    suppose tan theta equal 4 and theta lies in the third quadrant. find the values of sec theta

    asked by Broskie on September 13, 2013
  13. Calculus

    Suppose g(x) = { 1 / (x - 2) if x < 1 2x - 4 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontinuity C.) has an infinite discontinuity D.) has a removable discontinuity E.) None

    asked by Mishaka on October 13, 2011
  14. Exponential Modeling

    A species of beetles grows 32% every year. Suppose 100 beetles are released into a field. How many beetles will there be in 10 years?

    asked by Anonymous on May 1, 2016
  15. Calculus (Any Help At All Is Really Appreciated)

    Suppose g(x) = { 1 / (x-2) if x < 1 2x - 3 if x >/= 1 The best description concerning the continuity of g(x) is that the function A.) is continuous B.) has a jump discontuity C.) has an infinite discontuity D.) has a removable discontuity E.) None of the

    asked by Mishaka on October 13, 2011
  16. Photography

    Suppose you have three negatives: an over-exposed one, an under exposed one, and a correctly exposed one. Which would require the longest exposure during contact printing?

    asked by Emily on January 27, 2011
  17. Math

    Suppose that you have three different length of linking cubes as shows below assume that you have as many of these length as you need but you may not take them apart. Can you make each length below using only one clout if it is possible, show more than one

    asked by Help on September 13, 2016
  18. trig

    Suppose that the point P is the point on the unit circle that is associated by the wrapping function with the number 31. In which quadrant is the point P located?

    asked by zack on September 27, 2011
  19. Highline Community College

    Suppose that the marginal revenue for a product is given by the following, where x is the number of units and revenue is in dollars. MR = −28 (2x + 2)2 + 28 Find the total revenue.

    asked by Preet on March 4, 2012
  20. Math

    How do you solve this? I posted this question last night and someone answered but it wasn't the right answer. I have tried so many times and still can't get the right answer. the right answer is suppose to be 15/2 5/6-1/3+ 7/8/(1/2)^3 Thank you for your

    asked by Mike on January 22, 2010
  21. HS Calculus/math

    suppose that in any given year, the population of a certain endangered species is reduce by 25%. if the population is now 7500, in how many years will the population be 4000?

    asked by dt on October 31, 2008
  22. Math

    Each day the wildlife commission releases 100 fish into the Durkee river in the following proportions: 55 brown trout and 45 rainbow trout. All of the fish swim through a watch station, one at a time, on the way upstream. Which of the following expressions

    asked by Mydogbear on May 6, 2017
  23. math

    If you add 2 1/2 plus 3 yards and 6 inches and 6 1/3 yards. How many yards do you have?

    asked by JUNIOR C on March 23, 2011
  24. math

    If you add: 2 1/2 plus 3 yards and 6 inches and 6 1/3 yards. How many yards do you have?

    asked by JUNIOR C on March 23, 2011
  25. math

    suppose the diameter of a circle has length d. the length of a chord is c and the length of the arc cut off by the cord is s. express sin(s/d) in terms of c and d

    asked by Anonymous on December 1, 2011
  26. Statistics/Probability

    Suppose it is known that a new treatment is successful the cases. If it is tried on 15 patients, find the probability [Use binomial distribution]. (a) at most 6 will be cured (b) twelve or more will be cured (c) at least two will be cured.

    asked by LadyJustice85 on June 1, 2011
  27. Precalculus

    Suppose that termial point by t is the point (3/4, (square root 7)/4) on the unit circle. Find the terminal point determined by each of the following. a) pi - t b) -t c) pi + t d) 2pi + t

    asked by Miguel on June 23, 2010
  28. Physics

    Suppose the cross sectional of the tube is 0.05 cm2, what would be the volume (a) during the lowest pressure in the experiment? (b) during the highest pressure? (c) at the atmospheric pressure?

    asked by Sydney on April 23, 2015
  29. business

    suppose that al knows that the probability of an investigation is 0.70 how low must the probability of water's completing its research on time be so that the probability of litres being awarded the contract is at least 0.65?

    asked by vinoth on December 24, 2012
  30. algebra II

    Suppose a car door lock has a five-button keypad. Each of the buttons includes two digits. How many different five-button patters are possible?? (Hint: Each button can be used more than once.)

    asked by Lola on July 6, 2010
  31. Calculus

    How do you do this question. f(x) = (5x-1)/(2-3x), find f^(-1)(x). The answer is supposed to be (1+2x)/(5+3x). -------------------------------------- And can you please explain this one to me. Suppose that xy^(3)+2y^(2)+xy+2x^(3) = 0. Find the general

    asked by Samantha on November 5, 2008
  32. Algebra

    suppose your profit for one day is $1,281 & the cost of running the business for the day is $1,463. What is the revenue for that day? explain your answer THANK YOU!!

    asked by Billie on September 27, 2009
  33. ECO

    suppose US nominal GDP was $6,250 billion in 2000 and GDP chain price index is 125.0. Real GDP is:

    asked by rodney on December 3, 2014
  34. Statistics

    Suppose that a sample of 50 scores has a mean of Y=90 and the standard deviation is 15. Between what two values of Y will at least 90% of the scores fall? What is the maximun number of scores that can lie out of the interval?

    asked by Sara on October 30, 2011
  35. science

    If the half-life of a 20.0g is known to be 24 minutes, how long will it take for only 5.0 grams of the sample to remain A.6 minutes B.24 minutes C.48 minutes D.96 minutes I NEED HELP!!!!

    asked by amor on September 25, 2013
  36. math

    Jackie is making window curtains for her window.Each curtain will be 108 inches long.Fabric is sold in yards.What is the length of each curtain in ysrds? A. 3 yards B. 9 yards C. 27 yards D. 36 yards

    asked by stephanie on December 13, 2011
  37. chemistry

    The local weather forecaster reports that the current barometric pressure is 29.5 inches of mercury. What is the current pressure in atmospheres? 9.99 atm 3.93 atm 0.986 atm 883 atm 1.00 atm

    asked by Ha on May 15, 2016
  38. physics

    You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

    asked by Anonymous on September 9, 2010
  39. physics

    You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

    asked by Anonymous on September 9, 2010
  40. math

    A pronghorn antelope can travel 105 miles in 3 hours.if it continued at the same speed how far could a pronghorn travel in a 11 hours

    asked by mike on January 30, 2014
  41. math

    sam was exercising on his treadmill. He walked 3/8 of a mile and than ran 2/5 of a mile within 30 minutes. How many miles has sam done on his treadmill?

    asked by anna on December 5, 2016
  42. math

    how do you convert miles to feet in the u.s. customary sysyem? multiply by 12 divide by 12 multiply by 5,280 divide by 5,280

    asked by tanya on November 7, 2015
  43. Math

    Lori's car gets about 28 miles per gallon of gas. About how many gallons of gas does Lori's car use for each mile driven? How do you know?

    asked by Frank on October 2, 2013
  44. Chem 11

    Calculate the miles of potassium hydrogen phthalate in your weighed sample. Potassium hydrogen phthalate : 4.0759g

    asked by Anonymous on January 31, 2012
  45. physics

    You jog at 6.0 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.0 mi/h?

    asked by Anonymous on September 9, 2010
  46. Math

    On Sunday Lindsey rode her bike 3 times as much as she did on Saturday. On Saturday she rode 3 miles. How far did she ride on Sunday

    asked by Jazmine on March 7, 2017
  47. math

    how do you convert miles to feet in the u.s.customary system? a.multiply by 12 b.divide by 12 c.multiply by 5,280 d.divide by 5,280

    asked by babyc36 on June 15, 2013
  48. math problem solving

    rachel jogged along a trail that was 1/4 of a mile long. she jogged along the trail 8 times. how many miles did rachel jog in all?

    asked by vic on January 22, 2015
  49. Math

    A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas?

    asked by Jordyn! on January 25, 2019
  50. Calculus

    Here is the problem I am working on: Romeo is commissioning the construction of a four-inch-tall box made of precious metals to give to his bride, Juliet. The jewelry box will have rectangular sides, a bottom and a top. The longer sides and the top will be

    asked by Jill on January 16, 2011
  51. Math

    Jared drew a scatter plot comparing the number of hours worked and the amount of money earned over the course of a week. He graphed the ordered pairs(number of hours, amount paid)for each day worked. Which of the three scatter plots below most likely

    asked by Gwen on May 6, 2014
  52. Chemistry

    Which of the following surfaces does a true monolayer always form on? A. silicon B. gold C. both D. neither Why are silicon surfaces studied in this experiment? A. Silicon is shiny like the windows in tall buildings. B. Silicon more closely represents

    asked by Ann on January 30, 2010
  53. mathhelop

    A hot-dog stand owner makes a profit of $100 when he sells 90 hot dogs a day. He has a loss of $30 when he sells 25 hot dogs a day. Write a linear equation that represents his profit? No idea what I am supposed to do.

    asked by alisha on June 17, 2017
  54. Algebra 7th grade

    Your middle school is having a fall carnival. Admission into the carnival is $3 and each game inside the carnival costs .25 cents.Write and inequality that represents the possible number of games that can be played having 10 dollars. What is the maximum

    asked by please check my work on December 1, 2016
  55. Math

    A 100 point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response answer questions are worth 8 pints each. Write a system of linear equations that represents this situation, my answer is to

    asked by Steven on May 6, 2016
  56. algebra

    Clara is building a triangular garden. She wants the length of the longest side to be three more than twice as long as the length of the shortest side, and the third side will be twelve feet long. What expression could she write to determine the perimeter

    asked by studentE2020 on April 21, 2017
  57. Social Studies

    What is the real difference between 'Social Studies' and History? History is one branch of social studies. In high school, they often amount to the same thing, but "social studies" seems to be supplanting the teaching of chronolgical history. Other

    asked by Julie L. on August 20, 2006
  58. Pre algebra

    My problem says The cost of a cell phone for one month is a linear function of the numbers of minutes used. The total cost for 20, 35, and 40 additional numbers Re shown. Then it gives a table where it's 20/48$, 35/54$ and 40/56$ The first question is ,

    asked by Alyssa on November 24, 2014
  59. Math (Help Please)

    1. Which of the following shows how this expression can be simplified? 2x + 6 + 3x − 4 A. x − 2 B. x + 2 C. 5x + 2 D. 5x − 2 2. Which is equivalent to the expression below? 7(2p − 1) A. 7p B. 14p − 1 C. 14p − 7 D. 14p − 8 3. Factor the

    asked by Don on March 6, 2016
  60. general math

    A souvenir store charges PHP 15.00 per keychain for orders amounting 50 or fewer keychains, PHP 12.50 per keychains for orders of 75 or fewer but more than 50 kechains. Which function best represents the cost K(x) of the x number of keychains. hi. i hope

    asked by Marian on July 21, 2016
  61. Math

    .Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is

    asked by James on April 9, 2018
  62. math

    .Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is

    asked by Mason on April 8, 2018
  63. Math

    Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following questions. A) Find Dy/Dx in terms of t B) Find all values of t where the curve has a horizontal tangent. C) Find all values of t where

    asked by Anon on February 3, 2018
  64. Math

    Consider the curve represented by the parametric equations x(t)= 2+sin(t) and y(t)=1-cos(t) when answering the following questions. A) Find Dy/Dx in terms of t B) Find all values of t where the curve has a horizontal tangent. C) Find all values of t where

    asked by Anon on February 3, 2018
  65. Algebra

    Library Research Assignment Please help with Discussion board problem Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the

    asked by Mayl on June 30, 2010
  66. Algebra 1

    I get a bit confused so I hope someone can help with this question Consider the total amount that you are willing to spend on the buisness and how much it will cost you to make your items. Write an inequality that represents the fact that while making each

    asked by Natalia on February 10, 2018
  67. English

    I just wanted to know if the following rephrases are possible. 1) African cheetahs stalk their prey in semi-arid grassland. 2) They catch, capture, their prey in semi-arid grassland. (are these verbs possible to rephrase "stall"?) 3) They follow their prey

    asked by Henry2 on January 6, 2012
  68. Math

    A sandwich shop gives a free sandwich after 8 sandwiches are bought in the formula t=s/8+s,t represents the total number of sandwiches received if s sandwiches where bought. Last year julie bought 48 sandwiches. How many sandwiches did she receive last

    asked by Jenny on January 20, 2017
  69. math

    my bedroom is 15 square unit and if each unit represents 5 square feet, what is the area in square feet

    asked by clinton on March 6, 2014
  70. MGT

    help please my mind is going crazy trying to figure this out Follow the steps listed below to complete this 200-300-word CheckPoint: 1. Assume that you—as a supervisor in a manufacturing plant—have heard rumors that the union, which has been virtually

    asked by troyer0269 on November 14, 2008
  71. algebra help please

    I notice that other problems are answered in a timely manner....was is my overlooked? Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse, parabola, and hyperbola should be horizontal

    asked by jenny on May 27, 2012
  72. Statistics

    Which one of the following is NOT an example of discrete data? A. number of households watching the Home Improvement. B. number of employees reporting in sick. C. number of miles between New York City and Chicago. D. number of members of the Dobbs Ferry-

    asked by Tykrane on December 13, 2009
  73. chemistry

    The dosage of technetium-99m for a lung scan is 20 μCi/kg of body weight.How many millicuries should be given to a 65.0-kg patient? (1mCi=1000μCi)Suppose a person absorbed 54mrads of alpha radiation. What would be the dose equivalent in mrems?

    asked by lana on December 5, 2013
  74. Statistic 103

    The average teachers salary in Connecticut( ranked first among states) is $57,337. suppose that the distribution of salaries is normal with a standard deviation of $7500. What is the probability that a randomaly selected teacher makes less than $52,000 per

    asked by Jennifer on April 13, 2011
  75. english

    "He manages to portray tiny, random events as significant without the occasionally overblown melodrama . . . " so im suppose to Read the quote and choose its category. but i don't no what to do? these are my answer choices.. -universality -subject matter

    asked by danny on October 28, 2010
  76. physics

    If the average speed of an orbiting space shuttle is 19600 mi/h, determine the time required for it to circle the Earth. Make sure you consider the fact that the shuttle is orbiting about 200 mi above the Earth's surface, and assume that the Earth's radius

    asked by savy on September 7, 2011
  77. math

    Two trains started at the same time from the same station and traveled in opposite directions.One traveled at a rate of 50mph and other at a rate of 60mph.In how many hours were they 660 miles apart?I want to know if my answer is correct. 50t+60t=660

    asked by Kiki on February 6, 2016
  78. Math

    You and your friend part at an intersection. You drive off north at a constant speed, and your friend drives east at a speed that is 10 mph higher. After 4 hours the distance between you and your friend is 368.78 miles. You have been driving at mph. (Round

    asked by Emma on September 7, 2015
  79. algebra

    You and your friend part at an intersection. You drive off north at a constant speed, and your friend drives east at a speed that is 10 mph higher. After 4 hours the distance between you and your friend is 368.78 miles. You have been driving at mph. (Round

    asked by Michael on September 7, 2015
  80. calculus

    A 100 inch piece of string is cut into 3 pieces. One piece forms a circle, one forms a square and 1 forms an equilateral triangle. If the perimeter of the triangle is equal in length to the perimeter of the square how long should each piece of string be to

    asked by Dan on November 19, 2012
  81. Algebra 2

    Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is

    asked by sammiexo on June 15, 2017
  82. math

    Kent invested $5000 in a retirement plan. He allocated x dollars of the money to a bond account that earns 4% interest per yr and the rest to a traditional account that earns 5% interest per yr. Write an expression that represents the amount of money

    asked by --- on February 17, 2011
  83. Algebra

    A beach ball rolls off a cliff and onto the beach. The height, in feet, of the beach ball can be modeled by the function h(t)=64–16t2, where t represents time, in seconds. What is the average rate of change in the height, in feet per second, during the

    asked by Jean on March 1, 2019
  84. math

    Kent invested $5000 in a retirement plan. He allocated x dollars of the money to a bond account that earns 4% interest per yr and the rest to a traditional account that earns 5% interest per yr. Write an expression that represents the amount of money

    asked by --- on February 17, 2011
  85. Math

    Will Rogers spun a lasso in a vertical cycle. The diameter of the loop was 6 feet, and the loop spun 50 times each minute. If the lowest point on the rope was 6 inches above the ground, write an equation to describe the height of this point above the

    asked by Andrew on December 27, 2014
  86. Trigonometry

    Please show me the work so i understand 2. Find the reference angle of -11π/3. 5. If θ = –18°, find the exact value of θ in radians. 6.If θ = 3, find the value of θ in degrees correct to the nearest tenth of a degree. 13.The radius of a circle

    asked by AJ on December 12, 2012
  87. calculus 2

    Suppose that you can calculate the derivative of a function using the formula f'(x) = 4f(x) + 2x. If the output value of the function at x= 4 is 2 estimate the value of the function at 4.013

    asked by rimmel on November 15, 2009
  88. Alegra

    Suppose that a spreadsheet contains the following values. A1 6 B1 -4 C1 2 D1 3 Determine the value of cell E1 if it contains the following formulas. a) +A1 + B1 E1= 2 got that one right b) +4*A1 + 5*B1 got that one wrong c) +C1*(A1 +3*B1) got that one

    asked by Mary on April 26, 2014
  89. math

    24= -2(b-3)+8 I suppose you want to solve 24= -2(b-3)+8 for b, am I right? If so, subtract 8 from both sides to get 16 = -2(b-3) divide both sides by -2 to get -8 = b-3 then add 3 to both sides to get -5 = b then check the answer 24 = -2(-5-3) + 8 = 16 + 8

    asked by shanique on October 24, 2006
  90. math ( percentages)

    Alisha used to earn a salary of £14000. How much does she get after the 7% rise? i tried doing 7%*14000, but i kept getting a number less then 14000. Is that suppose to happen?

    asked by livia on February 3, 2018
  91. english

    I'm suppose to indicate whether glass, steel, and wood are considered meaningful or not meaningful. I'm really not sure what this means. I'm going to guess, meaningful.

    asked by Tabby on December 16, 2007
  92. Chemistry

    Suppose that 85 mL of 0.4 M NaF and 50 mL of 0.4 M HCl are mixed. What is the K for the dominant equilibrium in terms of Ka's, Kb's, Kw etc.? Ka of HCl 1/Ka of HCl Ka of HF 1/Ka of HF Kb of F- 1/Kb of F- Kb of Cl- 1/Kb of Cl- Kw 1/Kw There is no reaction.

    asked by Sarah on March 29, 2016
  93. Economics

    Suppose that you are a policy maker concerned with correcting the effects of gases and particulates emitted by an local power plant. 1. What tools would you use? 2. What would be the benefits of the actions? 3. What would be the costs? 4. How would you

    asked by Jo on May 5, 2007
  94. Social studies

    Brief synopsis on the cause, effect and result Of the attack on Pearl Harbor. Six and one half Pages already typed and on cardboard made A flag, have pictures, just need alittle help In summarizing some facts you may have with The facts I have for the

    asked by Chris on November 3, 2012
  95. Physics

    A boy is moving on a straight road against a frictional force of 5 N. After travelling a distance of 1.5 km he forgot the correct path at a round about of radius 100 m. However, he moves on the circular path for one and half cycle and then he moves forward

    asked by Deepak on August 6, 2018
  96. Chemistry

    1.025g of an impure sample of a weak acid HX(mol mass = 82) is dissolved in 60ml of water and titrated with 0.25M NaOH. When half of the acid was neutralized the pH was found to be 5.0 and at the equivalence point the pH is 9.0. Find the % purity of this

    asked by Sandu on October 3, 2016
  97. Chemistry

    Write the balanced chemical equation for the decomposition of sodium azide. If this is a redox reaction, show half reactions and determine if spontaneous. The chemical equation is 2NaN3(s) -> 2Na(s)+3N2(g) right? I am confused on the oxidation states for

    asked by Heather on October 8, 2012
  98. Physics

    A rotating turntable of mass 200g and radius 10 cm is uniformly accelerated from rest to attain it's maximum velocity of 33 and half revolution per minute through an angular displacement of 240 degree . Determine the (1). uniform angular acceleration.

    asked by Bill on May 29, 2018
  99. English

    An apple a day keeps the doctor away. Birds of a feather flock together. Rolling stones gather no moss. No pains, no gains. Well begun is half done. Practice makes perfect. Rome was not built in a day. When in Rome, do as the Romans do. (Do you have some

    asked by rfvv on November 11, 2009
  100. History! Help!

    The Caddo were an American Indian group in Texas that practiced agriculture and build permanent houses. What can be inferred about the group? A. It created a large population B.It formed a small and defenseless population C.It had no contact with other

    asked by Iris on September 7, 2016