1. algebra

    1. Suppose Mary deposits $200 at the end of each month for 30 years into an account that pays 5% interest compounded monthly. a. How much total money will she have in the account at the end? b. How much total money did Mary actually deposit? c. How much

    asked by beech on October 11, 2011
  2. math

    A figure has 2 sets of parallel sides and 4 right angles. All of the sides are the same length. What are the 3 names for the figure?

    asked by mythreyee on November 30, 2012
  3. Math

    The area of a triangle is 75 sq in. Calculate the possible angles formed by the triangle's 12-inch and 15-inch side.

    asked by jess on August 11, 2010
  4. pre calculus

    A force of 350 lb. is resolved into forces at right angles to one another, the angle of F2 being 67 from the 350 lb. force. Find F2.

    asked by jacob on January 2, 2019
  5. Math

    One angle of an isosceles triangle measures 80 degrees. Witch other angles could be in that isosceles triangle?

    asked by Courtney0 on April 26, 2018
  6. Mount Carmel

    In a trapezium ABCD , angleA :angleD = 3:2 and angle B : angle C = 4:5 . Find all angles of trapezium .

    asked by Yashvi on September 10, 2015
  7. Geometry

    The m angle A is 30 more than twice angle B. If angle A and angle B form a linear pair, find the measure of both angles.

    asked by Maria on September 8, 2012
  8. Geometry

    In hexagon ABCDEF, AB = DE = 2, BC = EF = 4, CD = FA = 6, and all the interior angles are equal. Find the area of hexagon ABCDEF.

    asked by Help for this on February 12, 2017
  9. math

    asked by anonymous on October 3, 2011
  10. Geometry/Algebra

    Two opposite angles of a parallelogram are (5x-2)degree and (40-x)degree. Find the measure of each angle of a parallelogram.

    asked by Anonymous on June 13, 2012
  11. college

    The measure of a third angle in an isosceles triangle is 82.5 more than the measure of the two equal angles. whats the angle of the third.

    asked by Anonymous on November 8, 2012
  12. math

    One side of triangle is 10 centimetres, two angles next to that side are 30° and 60°. I need to find all three angle bisectors of triangle.

    asked by eve on January 15, 2012
  13. Math

    Sandra was thinking of a quadrilateral. All 4 sides are the same length and are parallel. There are 4 right angles. Which quadrilateral is she thinking of?

    asked by Isabella on February 10, 2012
  14. chemistry

    Copper can be determined gravimetrically by precipitation as copper(I)thiocyanate, CuSCN. A wrought aluminum-copper sample(4.5167 g) was dissolved in a minimum amount of concentrated HCl followd by the additon of 25 ml of sulfurous acid to reduced the

    asked by WILL on December 22, 2012
  15. chemistry

    at standard pressure, which has the highest average kinetic energy? a)H20(g) at 110 oC b)H20(s) at -10 oC c)H20(l) at 25 oC d)H20(l)(arrows going opposite directions)H20(g) at 70 oC e)H20(s)( arrows going opposite direction)H20(l) at 0 oC

    asked by Anonymous on September 26, 2011
  16. statistics

    {Exercise 3.55} Morningstar tracks the total return for a large number of mutual funds. The following table shows the total return and the number of funds for four categories of mutual funds (Morningstar Funds500, 2008). a. Using the number of funds as

    asked by abdull on October 17, 2011
  17. Chemistry

    In a study of the following reaction at 1200K it was observed that when the equilibrium partial pressure of water vapor is 15.0 torr, the total pressure at equilibrium is 36.3 torr. 3Fe(s)+4H2O(g) (reversible arrows) Fe3O4(s)+4H2(g) Calculate the value of

    asked by Taasha on July 30, 2007
  18. Algebra 116

    1. Solve using the Elimination Method. 2r - 7s = -57 7r %2B 2s = 39 What is the solution set ______? 2. Simplify -8[-90-(-60-14)]= ______ 3. Solve using the Substition Method. 5x %2B 7y = 41 x = 61 - 8y What is the solution _______? 4. On three consecutive

    asked by MzMaria on September 30, 2008
  19. Science

    A car is traveling at 65 km/hr. The brakes are applied and the car stops in 3 seconds. What is the car's acceleration?

    asked by Lana on December 1, 2015
  20. ECON

    I am working on this but, if I have part a and b wrong, all of the following question related will be wrong. Can you help me out? The market for product A has the following functions: Market demand Q=1,000-4P Market supply Q=1/2P Inverse market demand

    asked by Trisha on June 24, 2005
  21. science

    Part I: Units of Measurement for Gas Laws For the following questions, use the following answer choices to indicate what each unit of measurement is used to measure (pressure, volume, or temperature). 1. atm 2. kPa 3. L 4. oC 5. torr 6. K 7. mL 8. cubic

    asked by Alex on March 2, 2015
  22. linear equation in one variables

    The organisers of an essay competition decide that a winner in the competition gets a prize of Rs 100 and a participant who does not win gets a prize of Rs 25. The total prize money distributed is Rs 3,000. Find the number of winners, if the total number

    asked by sunil on April 8, 2016
  23. math

    Assume a 30 month CD purchased for 2000 pay simple interest at an annual rate of 5.5%. How much total interest does it turn what is the balance at maturity. They want to know the total interest and the balance at maturity and they want us to give our

    asked by matt on January 16, 2016
  24. college algebra

    Buying and selling land. Anoa bought two plots of land for a total of $120,000. When she sold the first plot, she made a profit of 15%. When she sold the second, she losT 10%. Her total profit was $5500. How much did she pay for each piece of land.

    asked by crystal on March 22, 2009
  25. math

    one candy bar contains 220 calories. If this represents 10% of the total calories a person consumes in one day, find the total number of calories consumed in a day. 220/x=10/100 cross multiply so x=2200 is this correct? thanks

    asked by Elle on October 29, 2013
  26. algebra

    Truck Rental Plus charges its customers based on a linear model. the table to the right depicts this data. they charge their customers $95 for using their truck for a total of 100 miles and $140 for using their truck for a total of 200 miles

    asked by Anonymous on November 29, 2017
  27. math

    A bag of buttons contains 3 red, 4 orange, 7 green and 10 blue battens. How many orange buttons should be added so that makes up 1/4 of the total? (Remember, if you add more orange buttons, your total buttons will also increase.) Pla help due tomorrow

    asked by anne on February 10, 2014
  28. algebra

    find sales tax in your area --(6%). using tax rate, write a linear equation representing the total with tax for a purchase of x dollars. Using this equation to dtermine what the pretax cost of the item is if the total cost is $10.

    asked by sally on May 14, 2010
  29. biology

    Hemoglobin is a critical oxygen-carrying protein. The protein functions as a tetramer with two α-globin subunits and two β-globin subunits. Individuals homozygous for a specific single point mutation in the region that encodes the sixth amino acid in

    asked by Anonymous on May 2, 2013
  30. statistics

    The eruption height and the time interval after eruption of a geyser were measured and shown below. Height(x) 115 120 120 130 140 110 140 100 Interval after(y) 59 64 68 71 75 56 73 54

    asked by anonymous on November 18, 2013
  31. Problem Solving

    Sydnell buys a calculator that's on sale. He paid $90 not including tax. if she had purchased the calculator while it wasn't on sale, he would have paid $110 not including tax. What was the discount he received? Explain. Thanks! (:

    asked by Skyler on January 29, 2010
  32. Earth Science

    Slide 1 This is a cumulus cloud. Can you find four things on the word list that you can use to describe this cloud. Cumulus clouds consists of puffy tops, no rain expected, 3,000 ft. high, and flat bottoms. Slide 2 This is an example of towering cumulus

    asked by Sam on February 16, 2017
  33. English

    1.)my first question is which of the quotes from henry's speech represents an appeal to the head? a. '' we are apt to shut our eyes against a painful truth, and listen to the song of that siren, till she transforms us into beasts.'' b.''has great Britain

    asked by joshua on March 10, 2018
  34. chemistry

    a sample of water under study was found to boil at 102 degree celiceus at normal temperature and pressure . is the water pure

    asked by sanjeed on June 23, 2011
  35. math

    A normal clock loses 3 minutes per hr and another clock gains 5 min per hr. How many hours after from now, both the clocks will show the correct time simultaneously?

    asked by aman on January 7, 2016
  36. statistics

    Assuming the resting heart rates for a sample of individuals are normal distibuted with a mean of 70 and a standard deviation of 15. Waht percentage of rates less than 70

    asked by Darlene Watson on November 12, 2010
  37. Stats

    A question on a test is answered correctly by 22% of the students find the probability that in the next 150 students there will be more than 40 correct answers use the normal distribution

    asked by Anonymous on February 11, 2014
  38. statistics

    a. A random sample of 25 was drawn from a normal distribution with a standard deviation of 5. The sample mean is 80. Determine the 95% confidence interval estimate of the population mean.

    asked by Sally on August 16, 2011
  39. Science

    Why does the downhill-race bike look the way it does, what stuff does it have which normal bikes don't and what magnitude of force and dynamic loads effect the bike. please help

    asked by Bill Nye The Science Guy on March 3, 2013
  40. stats

    the distribution of IQscores forms a normal distribution with a mean of 100 and a standard deviation of 15. what is the proportion of the population that has an IQscore greater than 130?

    asked by Anonymous on April 12, 2011
  41. Algebra

    Simplify: (x^n)+(x)/(x^2)-(1) -------------------divide top by bottom (x^n+2)-(x^2)/ (x^2n)-(2x^n)+1 I can do problems similar to this if it has normal numbers but I can't do it because I am confused about the n's and the the numbers added to it. Please

    asked by Sara on July 22, 2007
  42. statistics

    Consider a normal distribution with mean 30 and standard deviation 6. What is the probability a value selected at random from this distribution is greater than 30? (Round your answer to two decimal places.)

    asked by Anonymous on October 23, 2010
  43. Maths

    9 is a very strange digit. Try to use four nines 9999 and normal operations plus minus multiply divide brackets etc, use 4 nines to make 100

    asked by Tim on September 14, 2013
  44. Vapor pressure of liquids

    benzaldehyde has a normal boiling point of 179 C and a critical point at 422C and 45.9 atm. estimate its vapor pressure at 139C.

    asked by Chem 2011 on January 25, 2011
  45. statistics

    Use of normal distribution to approximate the desired probability. Find the probability of getting at least 30 fives in 200 tosses of a fair 6 sided die.

    asked by Lori on October 9, 2010
  46. Statistics

    The retail price of 12-pack soda can be characterized as having a normal distribution with a mean of 3 dollars and a standard deviation of .25. Below what price do you find 30 % of all 12 packs?

    asked by Christine on September 22, 2012
  47. Physics, ray optics

    An astronomical telescope of magnifying power 7, consist of two thin lenses 40 cm apart in normal adjustment. Find the focal length of the lenses.

    asked by Bishmay on October 14, 2016
  48. statistics

    For a hypothetical normal distribution of test scores, approximately 95% fall between 38 and 62, 2.5% are below 38, and 2.5% are above 62. Given this information, (a) the mode=_____ and (b) the standard deviation=_____.

    asked by Scott F on October 26, 2011
  49. chemistry

    calculate the quantity of energgy required to heat 1.00 mol of aluminum from 25 degrees to its normal melting point of658 degrees

    asked by jules on April 12, 2011
  50. statistics

    Use the normal dist to approx the desired prob. Find the prob of getting at most 30 fives in 200 tosses of a fair 6 sided die

    asked by Sandra on October 4, 2013
  51. statistics

    Scores on a test have a mean of 66 and Q3 of 81. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth.

    asked by Abby on March 29, 2010
  52. English/grammar

    Are the following statements correct. 1. There is/are normal DTRs noted on examination. 2. The prosthetic hardware was/were freed from the surrounding tissues and removed. Is this correct: 1. are 2. was

    asked by Cathy on November 10, 2014
  53. chem

    The normal melting point of copper is 1357 K and heat of fusion of Cu is 13.05 KJ. How much heat, in kilojoules, is evolved when a 3.70 kg sample of of molten Cu freezes?

    asked by Joseph on February 11, 2010
  54. Math

    A fossilized leaf contains 21% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.

    asked by james on August 3, 2016
  55. 12th grade calculus

    find the lines that are tangent and normal to th ecurve at the point given 1. 2xy+piesiny=2pie (1, pie/2) 2. x^2cos^2y-siny=0 (0, pie)

    asked by elley on October 20, 2008
  56. chemistry

    a liquid has an enthalpy of vaporization of 30.8 kg.mol. at 273 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid

    asked by ella on February 18, 2011
  57. chemistry

    a liquid has an enthalpy of vaporization of 30.8 kg.mol. at 273 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid

    asked by ella on February 17, 2011
  58. statistics

    Build a 95% confidence interval for the mean of the population from the given sample data. Assume that the population has a normal distribution. 16.4, 15.7, 16.2, 15.8 17.1 15.8, 15.9, 16.0, 16.4 15.0 *please help me solve this! I have no clue what I am

    asked by Sarah on April 30, 2014
  59. biology

    Colour blindness is a recessive disorder. If a colour blind male is crossed with a normal female, what are the possible genotypes and phenotypes of the offspring

    asked by Cathy on November 7, 2014
  60. Biology

    1. Why are cells from a blastula used to examine mitosis? 2. How fast do you think cells divide when an embryo is developing compared to the normal growth of an animal?

    asked by Mely on July 19, 2010
  61. south al

    For a hypothetical normal distribution of test scores, approximately 95% fall between 38 and 62, 2.5% are below 38, and 2.5% are above 62. Given this information, (a) the mode=_____ and (b) the standard deviation=_____.

    asked by victor on March 31, 2013
  62. statistics

    True or False If one score is randomly selected from a normal distribution with  = 100 and  = 20, the probability of obtaining a score between X = 80 and X = 120 is 0.3413.

    asked by Lyndyc on January 6, 2014
  63. Algebra

    Scores on a test have a mean of 66 and Q3 is 80. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth. 10.5 18.7 20.9 9.4

    asked by Leozap on May 1, 2015
  64. Chem.

    As a go through my study guide, I'm finding that I'm getting esters and normal stoic acids confused. How can you tell when a stoic acid is an ester and when its not? Or are they always the same thing? Thanks for explaining this.

    asked by Susanne on May 12, 2009
  65. Chemistry

    Sorry,please ignore my earlier post. Light sensitive materials are sampled in a room with yellow lighting. How is it different from normal white light?

    asked by annie on September 14, 2010
  66. Physics

    A dog searching for a bone walks 3.50 m south, then 8.20 m north of east, and finally 15.0 m west. (a) What is the magnitude of the dog's total displacement? (b) What is the direction of the dog's total displacement where directly east is taken as zero

    asked by Tasha on February 8, 2012
  67. math

    This chart shows Vic's workout times for the week. Day Number of Minutes Monday 45 Tuesday 50 Wednesday 36 Thursday 70 Friday 49 What was his total time? average (mean) time? total time = 4 hours and 10 minutes average ?

    asked by Anonymous on April 11, 2013
  68. managerial accounting

    32) Sarker manufacturing company produces and sells 40,000 units of a single product. Variable costs total $80,000 and fixed costs total $120,000. If each unit is sold for $8, what markup percentage is the company using?

    asked by Anonymous on November 26, 2011
  69. psy- revise please

    Question: By the time people reach young adulthood, they have an idea of what causes them stress. The text discusses several sources of stress. What sources of stress did the text identify of which you were previously unaware? Has your reading helped you

    asked by rose - Ms. Sue on April 22, 2008
  70. calculus

    If a bone is found to have 20% of its normal amount of carbon 14, how old is the bone?

    asked by Jenn on December 9, 2012
  71. calculus

    If a bone is found to have 20% of its normal amount of carbon 14, how old is the bone?

    asked by Jenn on December 9, 2012
  72. statistics

    A normal distribution is any distribution that is not unusual. (True/False)

    asked by ann on August 20, 2011
  73. Math

    the scalar equation of the line through (-1,5) if (4,-1) is a normal vector to the line.

    asked by anon on October 10, 2018
  74. english

    hi again why is mentally retarded person not like a normal person is what i meant thanks again

    asked by lila on March 1, 2009
  75. physics

    How can I change each of Normal force, Gravity and Friction force?

    asked by pipe on May 12, 2018
  76. statistics

    A normal distribution is any distribution that is not unusual. True or false?

    asked by Brenda on August 20, 2010
  77. statistics

    What are the values of the mean and standard deviation of a standard normal distribution? μ = σ =

    asked by Jr on February 4, 2012
  78. Physics

    A crate on a floor has an applied force 15 degrees below horizontal of 952N The crate moves with constant velocity. The coefficient of kinetic friction is 0.15. What is the mass of the crate ?

    asked by scott on November 17, 2009
  79. physics

    A force of 40N is applied at the end of a wire 4m long and it produces an extension of 0.24mm.if the diameter of the wire is 2.0mm.calculate the stress and strain of the wire

    asked by Lola on September 19, 2017
  80. Physics Help

    A constant force of 100N , directed upward, is applied to a 5.0kg toy rocket by the rocket's engine. What is the rocket's acceleration? I used the equation a= F/m to get 20 m/s2 but it was wrong and I don't know where to go from here still?

    asked by Eiban on February 15, 2014
  81. strength of materials

    1.a concentrated load p is applied at the end of cantilever.the crosssection of the beam is a square of side "a" and with a hole of diameter "a/2" then deflection at the tip of beam is?lengh of beam is L.

    asked by venkeatesh vanigandla on May 19, 2014
  82. Physics

    A 400 kg solid metal disk (with uniform density) has several forces applied to it, as shown. If the rotation axis is through the center of the disk, then what is the angular acceleration of the disk?

    asked by Anonymous on April 17, 2012
  83. Physics

    A car is initailly travelling at 50.0km/h. The brakes are applied and the car stops over a 35m distance. What was magnitude of the car's acceleraion while it was braking? I don't know what formula to use.

    asked by Student on April 21, 2015
  84. physics

    a block of mass 0.1kg is attached to spring and placed on a horizontal frictionless table .the spring is stretched 20cm when a force of 5n is applied.calculate the spring constant

    asked by ali on April 22, 2017
  85. Social studies

    Advances in science from the Scientific Revolution were applied to human affairs during the ____________. A. Industrial Revolution. B. French Revolution. C. Enlightenment. (MY ANSWER) D. Age of exploration.

    asked by LOVE on March 8, 2016
  86. Chemistry

    A student who was isolating aspirin stopped the experiment after filtration step alumina. One week later, the methanol was evaporated and the experiment was completed. The melting point of the aspirin was found to be 110-115 degrees C. Explain why the

    asked by Nina on October 10, 2008
  87. Geometry

    1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point

    asked by Sue on October 6, 2015
  88. CHECK ANSWERS for geometry

    1. Why are points and lines hard to define? A point you can't move at all, a line you can only move back and forth in the same direction. Does drawing a point or a line accurately illustrate its characteristics? 2. What do we mean when we say a point

    asked by Sue on October 6, 2015
  89. Calculus Help

    When a foreign object lodged in the trachea (windpipe) forces a person to cough, the diaphragm thrusts upward causing an increase in pressure in the lungs. This is accompanied by a contraction of the trachea, making a narrower channel for the expelled air

    asked by Selda on April 5, 2014
  90. vapor pressure

    The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 45.0C , the total pressure is 980 mm Hg. The vapor pressure of ethanol

    asked by yayhawknelson on January 22, 2007
  91. College Math

    Draw a venn Diagram to illustrate the education level of Smokers Non Smokers and people who never smoked. Use the table below Education Smokers Former Never Total College Degree 12 9 41 62 H.S. Grad 9 10 22 41 Did not grad 9 3 4 16 Total 20 22 67 119

    asked by Angie on June 29, 2017
  92. physics

    A basketball player standing near the basket to grap a rebound, jumps 62 cm vertically. How much total time does the player speen in the top 15 cm of the jump? How much total time does the player spend in the bottm 15 cm of this jump?

    asked by Kristen on September 10, 2007
  93. Water Treatment

    Minimum oxygen concentration should be 7.6 mg/l, concentration in raw water is 0 mg/l and you can assume a saturation concentration of 10 mg/l. Calculate the total efficiency of oxygen addition, the number of cascade steps and the total height of the

    asked by IJ on December 29, 2014
  94. Physics

    An electric eel develops a potential difference of 460 V, driving a current of 0.80 A for a 1.0 ms pulse. Find the power of this pulse. Find the total energy of this pulse. Find the total charge that flows during the pulse.

    asked by Anthony on February 17, 2010
  95. Chemistry

    What do I do when writing the net ionic equation for Magnesium nitrate reacted with sodium chloride? I've wrote out the molecular equation and the total ionic equation. Everything cancels out....under my total ionic equation do i just write no reaction?

    asked by Jack on January 19, 2011
  96. physics 11

    The engine of a train has a mass of 5.0 x 10^4kg. It can accelaerate six railway cars having a total mass of 3.0 x 10^5 at 0.40 m/s squared [fwd]. What acceleration can it give four railway cars having a total mass of 2.0 x 10^5kg? Ignore friction

    asked by needs help on October 17, 2009
  97. health

    In plain English what does this mean? Thank you, There are two confidentiality rules (and their respective settings) in MICA. The first confidentiality rule affects suppression of the display of the entire inner table (i.e., the individual cells) of a

    asked by sofia on January 17, 2018
  98. Physics

    Hi I am absolutely stumped on this question. A loudspeaker is placed between two observers who are 110 m apart, along the line connecting them. If one observer records a sound level of 60.1 dB and the other records a sound level of 74.9 dB, how far is the

    asked by Joey on November 28, 2008
  99. Physics

    Hi I am absolutely stumped on this question. A loudspeaker is placed between two observers who are 110 m apart, along the line connecting them. If one observer records a sound level of 60.1 dB and the other records a sound level of 74.9 dB, how far is the

    asked by Joey on November 28, 2008
  100. Physics

    Hi I am absolutely stumped on this question. A loudspeaker is placed between two observers who are 110 m apart, along the line connecting them. If one observer records a sound level of 60.1 dB and the other records a sound level of 74.9 dB, how far is the

    asked by Joey on November 28, 2008