Questions Asked on
December 3, 2013

  1. SCIENCE

    which of the following would most likely lead to increased biodiversity

    asked by Anonymous
  2. Chemistry

    Two competing corporations are submitting data to the US Military to create chemical hot packs. The Military has stipulated that each hot pack may cost no more than 85 cents and must result in at least a 20degrees Celsius rise in temperature when

    asked by Kelly
  3. Spanish

    I need major help in translating these numbers into Spanish correctly. Thanks 570 quinientos setenta 46.500 cuatro seistente 726 setecientos y veintiseis 489 cuatrocientos ochenta y nueve 1.950.020 uno millones noventa y ciento mil

    asked by Tina
  4. Algebra 8th

    Find the greatest possible error for each measurement. 953 mi 0.5 mi Find the greatest possible error for each measurement. 1 3/4 c not-- 1/4 c Find the greatest possible error for each measurement. 12.3 L 0.05L Find the greatest possible error for each

    asked by purplebananas
  5. physics

    The staples inside a stapler are kept in place by a spring with a relaxed length of 0.115 m. If the spring constant is 51.0 N/m, how much elastic potential energy is stored in the spring when its length is 0.150 m?

    asked by Anonymous
  6. Chemistry

    The specific heat for liquid ethanol is 2.46 J/(g•°C). When 210 g of ethanol is cooled from 50 °C to 5 °C, the surrounding 7.80 × 103 g of air absorbs the heat. The specific heat of air is 1.01J/(g•°C)

    asked by Iman
  7. English

    what is the complements and is it predicate nominative or predicate adjective? 1. The chirping of the birds became more and more shrill as the cat approached. 2. You should feel proud of yourself. 3. Soft and cool was the grass under the catalpa tree. 4.

    asked by Sindey
  8. statistics

    The HIM department at community hospital will experience a 15 percent increase in the number of discharges coded per day as a result of opening a cardic clinic in the facility. The 15 percent increase is projected to be 100 additional records per day. The

    asked by Anonymous
  9. prealgebra

    One cellular phone carrier charges $26.50 a month and $0.15 a minute for local calls. Another carrier charges $14.50 a month and $0.25 per minute for local calls. For how many minutes is the cost of the plans the same?

    asked by sheila
  10. annuities..math

    Anne Thorne deposits $100 at the end of each month into her savings account which pays 6% interest compounded monthly. How much will be in her account at the end of 2 ½ years?

    asked by Lynda
  11. Algebra 1 (Reiny or Kuai)

    1. At a chili cook-off, people pay a $3.00 entrance fee and $0.50 for each bowl of chili they taste. The graph shows the total cost per person as a function of the number of bowls of chili tasted. a. Write a rule that gives the total cost per person as a

    asked by Please, help me! This is urgent!
  12. Physics IMP

    An infinitely long wire carrying a current of 2 A is bent at a right angle as shown in the Figure. What is the magnetic field magnitude in Tesla a point P, 10 cm from the corner? I can not draw pic here but I will try to describe it: Point P is in right

    asked by Rosa
  13. math

    Angie needs to have an annuity payment of $1,300 at the end of each year for the next 10 years. How much should she deposit now at 10% interest compounded annually, to yield this payment?

    asked by Lynda
  14. math(check answers please)

    for questions 1-3,find the sum. 1.5 9/13 + 5 9/13= A.13/74 B.10 12/13 C.11 5/13(I PICKED THIS) D.13/142 --------------------------- 2.3 3/15 +4 2/5= A.2 1/2 B.22 4/5 C.7 3/5( I PICKED THIS) D.5/38 -------------------------- 3.3 4/9 + 2 1/3= A.5 1/3 B.18

    asked by Anonymous
  15. Physics

    A copper ball 2 cm in radius is heated in a furnace to 400 degree celsius. if its emissivity is 0.3, at what rate does it radiates?

    asked by Anonymous
  16. Internet

    What does "purpose of the database" mean?

    asked by Mady
  17. algebra

    You and your friend are in a canoe race. Your friend is half a mile in front of you and paddling 3 miles per hour. You are paddling 3.4 miles per hour. You both maintain your paddling rates for the remainder of the race. How far ahead of your friend will

    asked by Anonymous
  18. algebra

    A die is rolled 6 times. Find the probability P(of exactly 4 occurrences of 2).

    asked by Anonymous
  19. math

    Midtown Trust is paying 6% interest compounded quarterly. What is the future value of $2,000 deposited at the end of every three month period for 6 years?

    asked by Lynda
  20. science (ipc)

    Describe the motion of an unanchored rowboat when a water wave passes. Does the wave move the boat forward?

    asked by Naila dar
  21. CHEMISTRY

    Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium

    asked by Anonymous
  22. chemistry

    Nitric acid reacts with silver metal: 4HNO3+3Ag yields NO+2H2O+3 AgNO3. Calculate the number of grams of NO formed when 10.8 g of Ag reacts with 12.6g of HNO3.

    asked by Anonymous
  23. English

    What are the disadvantages of using a photograph to learn about taking a stand? How is it negative or unhelpful?

    asked by Nicole
  24. Physics

    A hydraulic lift in a garage has two pistons: a small one of cross-sectional area 3.70cm2 and a large one of cross-sectional area 210cm2 . Part A If this lift is designed to raise a 3100-kg car, what minimum force must be applied to the small piston? Part

    asked by Help! final next weel
  25. Chemistry

    Find the equilibrium constant. 1. The equilibrium constant for the reaction,! Fe3+ + SCN- ⇋ FeSCN2+ (at a specific temperature), can be determined by first preparing a standard solution of FeSCN2+ and comparing its absorbance of light to an equilibrium

    asked by Anonymous
  26. physics

    ) A 4.8 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. At time t = 0 s, the block has a displacement of -0.90 m a velocity of -0.80 m/s and an acceleration of +2.9 m/s^2. The force constant of the spring

    asked by Anonymous
  27. Physics

    A man's gold wedding ring has an inner diameter of 2.0cm at 30∘C. Part A If the ring is dropped into boiling water, what will be the change in the inner diameter of the ring?

    asked by Help! final next weel
  28. physics

    Concrete highway slabs are poured in lengths of 9.00m . Part A How wide should the expansion gaps between the slabs be at a temperature of 22∘C to ensure that there will be no contact between adjacent slabs over a temperature range of -25 ∘C to 48∘C?

    asked by Help! final next weel
  29. math

    A fruit stand has 28 apples, 20 oranges, and 12 pears. What is the ratio of apples to the total pieces of fruit? A. 1 : 4 B. 7 : 15 C. 1 : 2 D. 7 : 8

    asked by kasey
  30. Chemistry

    A gas, Y, diffuses 1.05 times faster than SO2 gas at the same conditions. What is the molecular weight of gas Y?

    asked by Krystal
  31. math

    Earl Watkins is ready to retire and has saved up $250,000 for that purpose. He places all of this money into an account which will pay him annual payments for 20 years. How large will these annual payments be if the account earns 17% compounded annually?

    asked by Lynda
  32. physics

    A 70.5kg football player is gliding across very smooth ice at 2.05m/s . He throws a 0.470kg football straight forward. What is the player's speed afterward if the ball is thrown at 14.5m/s relative to the ground? What is the player's speed afterward if the

    asked by k
  33. Physics

    A circular steel plate of radius 15 cm is cooled from 300∘C to 80∘C. Part A By what percentage does the plate's area decrease?

    asked by Help! final next weel
  34. Trigonometry/Geometry

    Rhombus ABCD, with side length 6, is rolled to form a cylinder of volume 6 by taping AB to DC. What is sin(angle ABC)? I don't know how to begin. Help?

    asked by Sam
  35. math

    Tim deposits $10 every month into a retirement account which averages 18% interest compounded monthly. How much will be in this account after 45 years?

    asked by dreamkatcher76
  36. Geometry

    The average human heart pumps about 60 milliliters of blood for each beat. a. About how many liters of blood does your heart pump each day? b. Do you think a reasonable degree of precision for this question would be to report the answer to the nearest 100

    asked by Missy
  37. Science

    The distance from the crest of a wave to the next crest is 10 centimeters. The distance from a crest of this wave to a trough is 4 centimeters. a. What is the amplitude of this wave? b. What is the wavelength of this wave?

    asked by anon
  38. Algebra 1 ( bobpursley)

    1. Write an equation in slope-intercept form for the line that passes through (5,0) and is perpendicular to the line given by y = -5/2x + 6. A: m = 2/5 y = mx + b 0 = (2/5)(5) + b 0 = 2 + b b = -2 y = 2x/5 -2? 2. Write an equation in slope-intercept form

    asked by Please, help me! This is urgent!
  39. geometry

    Kendra is flying a kite 35 feet in the air. The angle of depression from the kite to where Kendra holds the string is 32 degrees. If Kendra holds the string 3 feet off the ground, what is the distance from her hands to the kite? Round your answer to the

    asked by david
  40. 5th grade Math

    Dr. Gallo's waiting room has a total of 18 magazines, including 3 fashion magazines. There are 5 more cooking magazines than there are decorating magazines. How many decorating magazines are there? You can use cubes to act out the problem.

    asked by Kathryn
  41. MATHS

    Carrie and Luke drank 4/5 of a bottle of juice. Carrie drank half as much as Luke. What fraction of the juice did Carrie drink? Answer given is 4/15

    asked by LARA
  42. Math

    A flagpole casts a shadow 30 feet long. A 5 foot woman standing next to the flagpole casts a shadow 6 feet long. How tall is the flagpole?

    asked by Alina
  43. math

    Young and Company owes bond holders $5,500 interest at the end of each quarter for the next five years. How much must they deposit now at 8% interest compounded quarterly to yield an annuity payment of $5,500?

    asked by Lynda
  44. math

    Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 60 people. (You may need to use the standard normal distribution table. Round your answers to the nearest

    asked by Anonymous
  45. math

    Chris and Carol just bought a $14,000 van and financed it for 5 years at 7% interest. What are the monthly payments?

    asked by Lynda
  46. math formula help needed

    Angie needs to have $15,000 at the end of 6 years. How much should she deposit weekly into an ordinary annuity if it earns 6.5% interest compounded weekly?

    asked by Lynda
  47. physics

    Find the magnitude of the linear momentum of (i) a 7.1 kg bowling ball traveling at 12 m/s and (ii) a 200 kg automobile traveling at 90 km/h. (b) A pool player imparts an impulse of 3.2 N-s to a stationary 0.25 kg cue ball with a cue stick. What is the

    asked by Byron
  48. Science

    How far does a wave travel in three cycles?

    asked by anon
  49. 6th grade grammar

    Can you explain linking verbs? I'm getting confused. (To decide, I used 'is' or 'was' to replace the verb). These are the ones I missed. 1. Paul's exhibit remained on display for an entire month. By replacing with 'was', the sentence still makes sense

    asked by Alexis
  50. Science

    Which mineral property test is the best way to tell the difference between each type of mineral? Why? Mineral Properties are: -Luster -Color -Magnetism -Hardness -Streak -Cleavage There are other mineral properties like Odor and Taste.

    asked by Tiffany
  51. Geometry

    To determine the relationship between miles and kilometers, if we use the conversion 39.37 inches= 1 meter, we find that 1 kilometer is approximately equal to 0.62 mile. What if we use the conversion 2.54 centimeters = 1 inch? How far apart are the answers

    asked by John
  52. math

    Mrs. Smith had 1/2 of a pumpkin pie left over. She split the leftover pie evenly between her 3 children. What fraction of pie did each child get?

    asked by john
  53. Science(IPC)

    1.00 L of a gas at standard temperature and pressure is compressed to 473 ML. what is the new pressure of the gas?

    asked by Elizabeth
  54. physics

    when you pedal a bicycle maximum torque is produced when the pedal sprocket arms are in the horizontal position, and no torque is produced when they are in the vertical position. explain

    asked by faidscs
  55. Physics

    This speed is the maximum possible speed attained by the roller coaster, or the “theoretical speed”. Roller coasters are carefully designed to minimize frictional forces so that they approach these theoretical speeds. The efficiency of a roller coaster

    asked by Angie Need Help ASAP
  56. 5th grade Math

    Dr. Gallo's waiting room has a total of 18 magazines, including 3 fashion magazines. There are 5 more cooking magazines than there are decorating magazines. How many decorating magazines are there? You can use cubes to act out the problem.

    asked by Kathryn
  57. chemistry

    A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(lIf 29.3mL KOH solution is required to reach the endpoint, what is the molarity of the H3PO4 solution?)

    asked by ellie
  58. Math

    the diameter of the pizza was 14 inches. What was the ratio of the radius to the diameter of the pizza?

    asked by Sandy
  59. AP US History

    When the south Carolina seceded in 1860 they seceded because Abe Lincoln was elected president. But, is the secession of South Carolina also an example of state's rights? if so, how?

    asked by K
  60. AIS

    Regarding COBIT, which of the following statements is true? a) COBIT means Cost Objectives for Information and Related Technology b) COBIT rejects the definition of internal control from the COSO report c) COBIT states that a company’s management should

    asked by Anonymous
  61. math

    Andy needs to pay off a loan of $18,000 in 5 years. Find the amortization payment he would need to make each bi-monthly pay period (twice a month) at 6% compounded bi-monthly, in order to pay off the loan.

    asked by Lynda
  62. Physics

    The sun radiates energy at the rate of 6.5 x 10 to the power of 7 w/m squared.Assuming that the sun radiates as a black body(which approximate true), find its surface temperature.

    asked by Anonymous
  63. physics

    A 1600 kg car moves along a horizontal road at speed v0 = 13.3 m/s. The road is wet, so the static friction coefficient between the tires and the road is only μs = 0.21 and the kinetic friction coefficient is even lower, μk = 0.147. The acceleration of

    asked by george
  64. American History

    A recent trend in addressing problems such as public health and youth violence has been A. government consolidation and cooperation. B. home rule charters C. commission governments D. town meetings

    asked by Anthony
  65. AP Algebra

    Write the expression as a single logarithm: 2lnx+3lny-ln2-4lnz

    asked by keikei
  66. physics

    the front wheels located far out in front of the racing vehicle help to keep the vehicle from nosing upward when it accelerates. what is its physics principle?

    asked by faidscs
  67. math

    How many 2 1/2 meter long strips of ribbon can be cut from a ribbon that is 750cm long?

    asked by krystleallen
  68. IPC

    the highest pressure ever produced in a laboratory setting was about 2000000 atm. if we have a .000010 liter sample of a gas at that pressure until it is equal to 0.275 atm, what would the new volume of that gas be?

    asked by Elizabeth
  69. geometry

    A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?

    asked by Rachel
  70. pysics

    when you pedal a bicycle maximum torque is produced when the pedal sprocket arms are in the horizontal position, and no torque is produced when they are in the vertical position. explain

    asked by faidscs
  71. Brit Lit

    There is good reason to be thankful.what is the sentence pattern.

    asked by Anonymous
  72. geometry

    A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?

    asked by Rachel
  73. chemistry

    A volume of 12.47 mL of 0.1080 M NaOH solution was used to titrate a 0.583 g sample of unknown containing K2HPO4. What is the percent by mass of K2HPO4 in the unknown? In this problem what mass of sample in grams would be needed to deliver about 23.40 mL

    asked by lovely
  74. Chemistry

    Consider the following chemical reaction 2HCL+ Ca(OH)2 CaCl2+2H2O You have mixed 30.00ml of 0.150 M HCl solution with 20.00ml of 0.100m Ca(OH)2 solution what is the molarity of the HCl, Ca( OH)2 and CaCl2 after the reaction has stopped

    asked by Ruffles
  75. Physics

    A uniform beam of weight 245 N, and length L, sticks out from a vertical wall. A lightweight cable connects the end of the beam to the wall, making an angle of 65.0° between the beam and the cable. What is the tension in the cable?

    asked by Jon
  76. macroeconomics

    1. What is the demand for money? What are the types of Money Demand? Explain further utilizing the determinants of Money Demand. How does the demand for money depend on the nominal interest rate? On the price level? On income? Explain in terms of the costs

    asked by Latesha
  77. math

    There are 3 pizzas. Each child will get 1/4 of a pizza. How many children will get pizza?

    asked by krystleallen
  78. math

    You deposit $7,900 in a money-market account that pays an annual interest rate of 4.3%. The interest is compounded quarterly. How much money will you have after 3 years?

    asked by yo
  79. IPC

    synthetic diamonds can be manufactured at pressures of 60000 atm. if we took 2.00 liters of gas at 1.00 atm and compressed it to a pressure of 60000 atm, what would the volume of that gas be?

    asked by Elizabeth
  80. Math

    A cylinder with a radius of 7cm has a capacity of 23000 cm3. a)What is the length/height of the cylinder? b)This cylinder is used to carry water underneath a road. How many cylinders are needed if the road is 500m long?

    asked by Gia
  81. Maths

    d) Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the population has height between 5 and 5.5 ft. Find how many people have height greater than 5.5 ft., rounding off your result to 2

    asked by Argae
  82. chemistry

    A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(l) If 29.3mL KOH solution is required to reach the endpoint, what is the molarity of the H3PO4 solution?

    asked by ellie
  83. calculus

    A display case is in the shape of a rectangular box with a square base. Suppose the volume is 21 cubic ft and it costs $1 per square ft. to build the glass top and $0.50 per sq. ft. to build the sides and base. If x is the length of one side of the base,

    asked by sara
  84. Physics

    The Apollo spacecrafts were launched toward the moon using the Saturn rocket, the most powerful rocket available. Each rocket had five engines producing a total of 3.34 x 10 to the 7thX of force to launch the 2.77 x 10 to the 6 kg spacecraft toward the

    asked by Lupe
  85. HTT / 230

    Can you please tell me if i am on the right tract i more to do and want to see if i am understanding it. Review the SEC website at sec and the FASB Web site at fasb Identify the mission and main activities of each organization. What are the similarities

    asked by Beckylynn
  86. math

    Find the z-score such that the area under the standard normal curve to the left is 0.82. ______ is the z-score such that the area under the curve to the left is 0.82. (round 2 decimal places as need)

    asked by Elaine
  87. Physics

    The staples inside a stapler are kept in place by a spring with a relaxed length of 0.115 m. If the spring constant is 51.0 N/m, how much elastic potential energy is stored in the spring when its length is 0.150 m?

    asked by Anonymous
  88. chemistry

    A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(l) If 29.3mL KOH solution is required to reach the endpoint, what is the molarity of the H3PO4 solution?

    asked by ellie
  89. chemistry

    hello this is ellie again. I need help on this one problem A solution of 0.314M KOH is used to neutralize 10.0mL H3PO4 solution. H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(l) If 29.3mL KOH solution is required to reach the endpoint, what is the molarity of

    asked by ellie
  90. geometry

    A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?

    asked by Rachel
  91. science

    If an automobile engine delivers 40.2 hp of power, how much time will it take for the engine to do 5.90 ✕ 105 J of work? (Hint: Note that one horsepower, 1 hp, is equal to 746 watts.)

    asked by tim
  92. Physics

    At the beginning of a roller coaster ride, the car is lifted to the top of a large hill and released. The speed of the car at the top of the hill is small, so we will assume it to be zero. The car rolls freely down this hill and reaches its maximum speed

    asked by Angie Need Help ASAP
  93. science help?

    select the word from the following list to complete this paragraph ,you may use award once,more than once or not at all. (water,clay,sand,increases,decreases,air,permeable,textures) Soil of different..........appear to have differing capacity to retain

    asked by sam ????????????????????
  94. biology

    The agricultural research facility during a research accidentally changed the DNA sequence of a wheat plant from GCCATGTT to GCGTACTT and this mutation resulted in a stronger plant variety. What kind of mutation did the plant undergo?

    asked by Anonymous
  95. Physics

    How far from the center of the earth must a satellite be placed so that the acceleration due to gravity is half the value at the surface? (Hint: the diameter of the earth is 1.3x107 m.)

    asked by Emily
  96. physics

    A dock worker loading crates on a ship finds that a 29 kg crate, initially at rest on a horizontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it

    asked by sam
  97. Math

    If 2/5 of a figure is shaded, what percent is not shaded?

    asked by Mike
  98. IPC

    in a thermonuclear device, the pressure of 0.050 liters of gas within the bomb casing reaches 4000000 atm. when the bomb casing is destroyed by the explosion, the gas is released into the atmosphere where it reaches a pressure of 1.00 atm. what is the

    asked by Elizabeth
  99. geometry

    Two secant segments are drawn to a circle from a point outside the circle. The external segment of the first secant segment is 8 centimeters and its internal segment is 6 centimeters. If the entire length of the second secant segment is 28 centimeters,

    asked by Rachel
  100. algebra

    One cellular phone carrier charges $26.50 a month and $0.15 a minute for local calls. Another carrier charges $14.50 a month and $0.25 per minute for local calls. For how many minutes is the cost of the plans the same?

    asked by sheila
  101. statistics

    The average for the statistics exam was 72 and the standard deviation was 4. Kelsey was told by the instructor that she scored 1.85 standard deviations below the mean.

    asked by Anonymous
  102. Social Studies (History)

    When searching for evidence to support a claim, what are important things to remember? Please explain your response.

    asked by Zachary
  103. Physics

    A rectangular fish tank measuring 0.80m × 0.55m is filled with water to a height of 61cm . Part A What is the gauge pressure on the bottom of the tank?

    asked by Help! final next weel
  104. physics

    An obnoxious brat assigns his 0.0221-kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. During the launch process the spring transfers 0.707 J of energy into the \'mouse Earth

    asked by James
  105. english(check1answer)

    which word in the following sentence is an indefinite article? A camera can also catch people who cause problems. A.a B.can(i picked this)but i know its wrong. C.also D.who please help me

    asked by matt
  106. College algebra

    Solve the system X=2y+3 3x+4y=59

    asked by Sara
  107. geometry

    Two secant segments are drawn to a circle from a point outside the circle. The external segment of the first secant segment is 8 centimeters and its internal segment is 6 centimeters. If the entire length of the second secant segment is 28 centimeters,

    asked by Rachel
  108. physics

    An obnoxious brat assigns his 0.0221-kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. During the launch process the spring transfers 0.707 J of energy into the \'mouse Earth

    asked by James
  109. math

    Find the cumulative distribution for the table. (Use a value of 6 to stand for 6 or more bedrooms.) Number of Bedrooms Percent Cumulative 0 5% % 1 12% % 2 29% % 3 33% % 4 14% % 5 6% % 6 or more 1% %

    asked by Anonymous
  110. Chemistry

    What volume of 5% vinegar solution is needed to neutralize 1.0g of baking soda if density is 1.01g/ml

    asked by Mary
  111. biology

    Which provides more energy for the cell to perform its functions, cellular respiration or fermentation? Explain.

    asked by shelby
  112. math

    1.This number is a factor of 12. There are three letters used to spell the name of this number. It is a multiple of both 3 and 2. my answer is (6). 2.this number is factor of 20. It is less than 15 and greater than 3. It is not an even number. my answer is

    asked by ezekiel
  113. Geography nd physical

    Can i tyk geography nd physical science if i wnt 2 become a pathologist

    asked by Thando
  114. Algebra 8th

    Can anyone explain to me how to simplify an expression with negative exponents using the rules for multiplying monomials? Have to know it and im not sure!!

    asked by purplebananas
  115. Maths

    d) Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the population has height between 5 and 5.5 ft. Find how many people have height greater than 5.5 ft., rounding off your result to 2

    asked by Argae
  116. social studies

    ancient egypt eventually fell under the power of what other ancient civilization

    asked by mikel
  117. Language Arts 7 A Unit 4: Who Can We Really Coun

    Please help ASAP! Synthesizing Quiz Multiple Choice 1. In "Loser," what event caused the main character to change? (1 point) • his date with Jenny • finding the lost boy 2. A small child is insistent if he (1 point) • sucks his thumb to sleep. •

    asked by Mileena
  118. physics

    A dock worker loading crates on a ship finds that a 29 kg crate, initially at rest on a horizontal surface, requires a 90 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it

    asked by sam
  119. social studies

    Which 5 American men are competing in the Skelton event of the 2014 Winter Olympics

    asked by ava
  120. Lit

    how does mark twain show racism and slavery in huckleberry fin? thanks!

    asked by allie
  121. Physics

    A glass window 5ft by 8 ft 0.3 in whose inner and outer faces are at respective temperature of 65°F and 64°F.The thermal conductivity of glass is 5.5 BTU over ft squared x hr x°F over inches Find its: A.)temperature gradient B.)Resistance C.)Driving

    asked by Anonymous
  122. math

    3 identical tables are 3 1/2 ft wide and 5 1/4 long. To make one long table, they are pushed together to share thrir short ends. What is the perimeter of the long table ?

    asked by sam
  123. English

    Thank you for your help. Is 'Sandy' a male name or a female name?

    asked by rfvv
  124. English

    So I put her(my pet turtle) in the water and blocked the sunlight, but she got worse. --------------- 1. She got worse. 2. She got bad. 3. She got best. 4. She got better. 5. She got well. (Can we use all the expressions? Are they all grammatical? Instead

    asked by rfvv
  125. English

    1. Is there something wrong with her? 2. Is there anything wrong with her? (Are both grammatical? What is the difference between them?)

    asked by rfvv
  126. math :(

    No solutions, one solution, or infinitely many solutions??? 2(x – 3) = 2x No solution* one solution infinitely solution 3(y – 3) = 2y – 9 + y No solution one solution infinitely solution 10x – 2 – 6x = 3x – 2 + x No solution one solution

    asked by Anonymous
  127. English

    Hello, Dr. Green. ------------------ In this expression, is Dr. Green a doctor who works at a hospital? Or is Dr. Green a professor in college?

    asked by rfvv
  128. Calculus

    The first boat is sailing towards the North at the speed of 6 km per hour and sees that another boat is heading east at the speed of 5 km per hour. The second boat is to the northwest of the first boat. what is the minimum distance between two boats,

    asked by Jessica
  129. vocabulary

    read each clue below.then find the vocabulary word on the right that matches the clue.draw a line from the clue to the word.

    asked by makayla
  130. Science

    Name the three ways in which heat is transferred, and describe how heat is transferred in each situation.

    asked by Carley
  131. math

    three sisters run a business. they charge $260 for each job. If the oldest sister earns 50% more than the middle sister and if the youngest sister earns 50% less than the oldest sister, how much does each sister earn per job? hint: Identify the variable

    asked by ava
  132. math

    The diameter of an electric cable is normally distributed, with a mean of 0.9 inch and a standard deviation of 0.02 inch. What is the probability that the diameter will exceed 0.92 inch? (You may need to use the standard normal distribution table. Round

    asked by Anonymous
  133. Statistics

    Your program plans to acquire a total of 600 end items costing $535 million over a five-year period. The first production contract is to be awarded in FY04. The number of items to be procured (not delivered) each year and their estimated cost (in then-year

    asked by Tony
  134. English

    1. People in the Netherlands are surely hoping for another cold winter. 2. People in the Netherlands are surely hoping another cold winter. 3. Surely/Certainly people in the Netherlands are hoping for another cold winter. 4. It is certain (that) people in

    asked by rfvv
  135. Algebra 1

    How do you do this one Have a exponent with answer 8^6/8^4*8^2

    asked by Jynessa
  136. physics

    A null type of instrument as compared to a deflection type instrument has a higher accuracy or a lover sensitivity

    asked by Sarsi
  137. math

    g(x)=(2x^3+x^2-18x-9)/(x^2+x-6) A. Find the vertical asymptotes. b. find any holes. c. find any oblique or horizontal asymptotes. d. find if the graph crosses the oblique or horizontal asymptote.

    asked by Joe
  138. chemistry

    help balance HNO2+HNO3

    asked by lindy
  139. English

    What does it mean to be a "critical reader?" Why is this important?

    asked by Samantha
  140. Young ScholarsAcademy

    Quention and suani went to ray house of food dinner . their bill was $64 to which they added a 15%tip. how much did they pay in total

    asked by Sarah
  141. Algebra

    Is the relation of f(x) = |x - 2| the -2 that is inside the absolute value or is it the x-2?

    asked by Lois
  142. Algebra

    I think I am a little bit confused with this absolute value thing. When do I change the sign inside? Example f(-2)= |-2-2|. Is this equal to -4 or do I need to change a sign inside the absolute value when adding. I am trying to get some x and y values to

    asked by Lois
  143. English

    Write steps of how to practice well with your team to win the mach (Guiding words: football,,instructions,,coach,,obey,, follow concentrate,, sleeping early,,healthy food)

    asked by Joi
  144. physics

    A d.c. circuit can be represented by a voltage source of 10 V in series with an output resistance of 1 k ohm. An ammeter of 50 ohm resistance is connected to the source terminals for measurement of current. what will be the accuracy of measurement?

    asked by Sarsi
  145. Penn foster

    With respect to major rivers, the Mekong is to Vietnam as the Irrawady is to

    asked by Barbara
  146. Math

    1. -7h - 5 = 4 - 4h h= -3 2. m+2m+1=7 m=2 4. 6z+5=4z-7 6

    asked by Jerald
  147. Math

    To find 64-24, you could first find 64-24=40 then what should you do?

    asked by Roxie
  148. Physics

    In a uniform magnetic field, can an Amperian loop ever have a non-zero value of its line integral with the magnetic field? a)yes b)No, it will always be zero c)depends on the orientation and shape of the loop.

    asked by Djp
  149. operating system

    Problem 3- A block of mass m1 = 4 kg moves from rest under the influence of a varying force F(x) = 4x + 38, where F is in newton and x is in meters, on a rough horizontal surface having a coefficient of kinetic friction of 0.2. The block is connected by a

    asked by Anonymous
  150. math

    Mariah and Claire made a bowl of punch. Claire used 10 times as much lemonade as Mariah did. If Mariah used 3/5 of a cup of lemonade, how many cups of lemonade did Claire use?

    asked by corey
  151. science

    How do thermometers work? I have already looked on Google and I cant find anything! Please help me!

    asked by Katey
  152. math

    Anna uses 4/5 of vinegar in her salad dressing recipe.How much vinegar would Anna use to make 2 recipes?

    asked by Curtis
  153. math

    Six people shares 3/4kg of chocolate equally. How much chocolate does each person get?

    asked by Danny
  154. Math

    w+6=3(w+6) w=-6 9. 4(x-3)=4 x=4 10. 3(3x+4)-2=9x+10 x=1

    asked by Jerald
  155. Physics IMP

    In a uniform magnetic field, can an Amperian loop ever have a non-zero value of its line integral with the magnetic field? a)yes b)No, it will always be zero c)depends on the orientation and shape of the loop.

    asked by Djp
  156. math

    Last week, Jake spent 6 1/4 hours reading, and Julia spent 3/5 as many hours as Jake did. How many hours did Julia spent reading?

    asked by Alice
  157. math

    Two sides of an isosceles triangle are 13 inches and 16 inches. What are two possible perimeters ? IS one 42 ?

    asked by sam
  158. Geography

    What would be a good trick to remember where all the Middle America and Bahama countries are? Much appreciated!!! Thanks!!!

    asked by Izzy
  159. english(check 1answer)

    which is a fact rather than a opinion? A.her voice was tired and low,and i am forever mopping up puddles left by the snow you and the boys track into the house. B.wilsons mother shook her head and picked up the mop again. C.the town,located in the snowbelt

    asked by matt
  160. College Algebra

    Find the probability of drawing two i's in a row without replacement.

    asked by Sarah
  161. Algebra

    Solve fro y, if -3y=24+4x

    asked by JBrown
  162. College Algebra

    Line m passes through (2,5) and (-3,-2) Find the slope of a line that is perpendicular to line m.

    asked by Sarah
  163. math

    how are 2 hours and the distance traveled in 2 hours represent in the table? how are they shown on the graph?

    asked by rico
  164. College Algebra

    A= [2 3 0] [4 1 6] 1. what is the additive inverse of A? 2. find 3A.

    asked by Sarah
  165. MATH

    F.Y.I ~ The height is 26" The width is 26" (so the graph has a lot of square !!! ) Use your graph to predict the total number of blocks in a square with 64 SHADED blocks. Please EXPLAIN your reasoning.

    asked by Jen
  166. Math

    Explain how a decimal is related to a percent.

    asked by Khrys
  167. English

    It is denoted by 0 K on the Kelvin scale, -273.15 ¡ÆC on the Celsius scale, and -459.67 ¡ÆF on the Fahrenheit scale. ----------------------------- Q: How do we read "-273.15 ¡ÆC"?

    asked by rfvv
  168. magnetism

    In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free

    asked by manu
  169. Math

    Is the product of 0.02 x 0.02 the same as the product of 0.2 x 0.002? EXPLAIN.

    asked by Orange
  170. magentism

    A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A very small metal wire loop with radius 5 centimeter is positioned a small distance away with its center on the same axis (the

    asked by Sue
  171. physics

    A 100 gram resistive slider (thick line) moves without friction along a vertical U-shaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

    asked by Anton
  172. magnetism

    very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A very small metal wire loop with radius 5 centimeter is positioned a small distance away with its center on the same axis (the

    asked by manu
  173. magnets

    A 100 gram resistive slider (thick line) moves without friction along a vertical U-shaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

    asked by BJ
  174. English

    There were five children in the family. 1. Ann got best of all the children. ---------------------------------- Is #1 grammatical? Does #1 mean "Ann became (the) best of all the children?"

    asked by rfvv
  175. social studies

    Where can I find a good, reliable source on the internet about the Bermuda Triangle? I would like a PDF with at least a few pages and I specifically am looking for scientific explanations. Sites that end with edu or gov would be great. I have been

    asked by Ray
  176. chemistry

    At equilibrium for the reaction A + 2B --> C + D

    asked by dakota
  177. calculus

    (x/y)-x^2 =1 implicit ?

    asked by Tee
  178. College algebra

    Solve the system Y=3x-2 6x-2y=30

    asked by Sara
  179. Grammar, English

    how can you identify direct objects?

    asked by Lesily
  180. the cay(help)

    1. Which of the following words could be used to describe Phillip so far? (1 point) capable hopeful mysterious 2. From what point of view is the story told? (1 point) first person point of view third person point of view 3. Which of the following is not a

    asked by matt
  181. prealgebra

    Four times a number is 21 more than the number. What is the number?

    asked by sheila
  182. English

    Q: To be a doctor at a hospital, do they all need to get doctors's degree in college?

    asked by rfvv
  183. English

    1. The race does not take place every year because the ice must be at least 15 centimeters thick. 2. The race does not take place every year because the ice must be not less than 15 centimeters thick. 3. The race does not take place every year because the

    asked by rfvv
  184. prealgebra

    A number equals six less than four times a number. What is the number?

    asked by sheila
  185. English

    I have hard time understanding this wordings :( Turner thesis* by about a hundred years: the myth of the American west did more than anything else to shape the American character. Civilization by its very nature takes away our freedom, but as Americans we

    asked by J
  186. Pre Alg HELP

    What can the scale drawing of a 10 x 8 ft room be? Help?

    asked by Kurt Cornell
  187. Math

    Explain how to use a protractor to measure an angle.

    asked by Matthew
  188. Chemistry 2

    Durango redox reaction the oxidation number of species Will decretase, increpase or stay the same

    asked by Mary
  189. Math

    Use the Associative Propety: 1/ Diego bought 7 sheets of stamps. Each sheet had 3 stamps per row. How many stamps did Diego buy in all ? The answer: 7*(3*3)= 7*9=63 2/ Four children have the same birthday . At their party ,each child had 1 cake there were

    asked by Nawaf
  190. Science

    Which mineral property is the best way to tell the difference between each type of mineral?

    asked by Tiffany
  191. math

    Last week, Charles spent 2 hours watching television. Madoline watched television for 2/5 as many hours as Charles did. How many hours did Madoline spend watching television?

    asked by Alice
  192. calc

    The derivative of a function f is f'(x) = x^2 - 8/x: Then at x = 2, f has A. an infection point B. a relative maximum C. a vertical tangent D. a discontinuity E. a relative minimum how do you test for all of these?

    asked by sara
  193. Proofreading

    I need this section of my article proofread one last time as I made some revisions as well as added new material.. please and thank you. Shipp is the only co-founder remaining since both Daniels and Winborne have graduated. She started off as a secretary

    asked by Blaze
  194. Science

    When would you want to have a corrosive reaction? I can find when you wouldn't want to have one but not when you wouldn't. Please help!! Thank you

    asked by Cherie
  195. english(check1answer)

    which word would you use to replace "security" to give the phrase "security camera"a negative connotation? A.school B.student C.crime D.nonstop

    asked by matt
  196. Calculus

    Evaluate cos[2arctan(2)] Need step by step for this one. Thanks

    asked by Matg
  197. ALGEBRA 1

    Simplify the expression. (1/z)^9 I got 1/z^9

    asked by Jynessa
  198. Math

    Gabby travels from Baltimore to Boston each year. It takes him 10 hours to get to Boston. He stops 3 times, for an hour each time. If he only stopped once, is it reasonable to say that he could get there in 6 hours? Explain.

    asked by Jed
  199. Gen Chem II

    This is in a nuclear radiation lab. (gamma rays from Cs 137 passing through lead. initial radiation (with one plate) 500cpm final radiation intensity with 2 plates 300cpm thickness of 1 absorbing plate in centimeters 0.635 I need to figure out the

    asked by kyle