Questions Asked on
January 19, 2011

  1. Chemistry Help!!

    a kilogram of aluminum metal and a kilogram of water are each warmed to 75 degree Celsius and placed in two identical insulated containers. one hour later, the two containers are opened and the temperature of each substance is measured. the aluminum has

    asked by dani
  2. Math Data management

    A survey of 1000 television viewers conducted by a local television station produced the following data: •40% watch the news at 12:00 •60% watch the news at 18:00 •50% watch the news at 23:00 •25% watch the news at 12:00 and at 18:00 •20% watch

    asked by Rania
  3. Chem

    A balloon contains 30.0 L of helium gas at 103 kPa. What is the volume of the helium when the balloon rises to an altitude where the pressure is only 25.0 kPa? Assume that the temperature remains constant

    asked by Shrell
  4. Operations Management

    Wal-Mart is the largest corporation in the world, and it has obviously enjoyed tremendous success. But while many welcome its location in their communities, others do not. Some complain that its presence has too many negative effects on a community,

    asked by Athur
  5. physics

    A person pushes a 14.0-kg lawn mower at constant speed with a force of F = 88.0 N directed along the handle, which is at an angle of 45.0º to the horizontal (Fig. 4–45). (a) Draw the free-body diagram showing all forces acting on the mower. Calculate

    asked by mrmr
  6. Chemistry

    The average human requires 120.0 grams of glucose (C6H12O6) per day. How many grams of CO2 ( in the photosynthesis reaction) are required for this amount of glucose? The photosynthetic reaction is: 6 CO2 + 6 H2O = C6H12O6 + 6 O2

    asked by Artie
  7. math

    what multiplication fact can you double to find 4 x7?

    asked by kel
  8. Math

    Part 1: Write two conditional statements for which the converse is true. 1. Statement: 2. Converse: 3. Statement: 4. Converse: Part 2: Write two conditional statements for which the converse is false. 5. Statement: 6. Converse: 7. Statement: 8. Converse:

    asked by Kathy
  9. Chem

    A particular balloon is designed by its manufacturer to be inflated tom a volume of no more than 2.5 L. If the balloon is filled with 2.0 L of helium at sea level, is released, and rises to an altitude at which the atmospheric pressure is only 500. mm Hg,

    asked by Someone
  10. physics-torque

    A person is doing leg lifts with 3.0-kg ankle weights. She is sitting in a chair with her legs bent at a right angle initially. The quadriceps muscles are attached to the patella via a tendon; the patella is connected to the tibia by the patellar tendon,

    asked by Trace
  11. Chemistry

    Calculate the heat change at 100C in each of the following problems.Indicate whether heat was absorbed or released. a. calories to condense 10.0 g of steam b. kilocalories to condense 75g of steam c. kilocalories to vaporize 44 g of water.

    asked by Nova Southeastern University
  12. chemistry

    How many moles of oxygen can be obtained by the decomposition of 7.5 mol of reactant in the following reaction? 2KClO3 -> 2KCl + 3O2

    asked by Maria
  13. Chemistry

    Fluorine-18, which has 1/2 life of 110 minutes, is used in PET scans. If 100 mg of fluorine-18 is shipped @8AM, how many milligrams of the radioisotope are still active if the sample arrives at the lab at 1:30 pm?

    asked by Bebe
  14. math 5th grade

    by what fraction name for 1 must 2/3 be multiplied to form a fraction with a denominator of 15? also what is the number in this sequence ...,100,10,1,...? would it be -1? thank you

    asked by jill
  15. Physics

    What are the components of a vector of magnitude 1.5 m at an angle of 35 degrees from the positive x-axis?

    asked by Kylee
  16. Physics

    a hiker walks 14.7 km at an angle 35 degrees south of east. Find the east and north components of this walk.

    asked by Kylee
  17. Physics

    a hiker walks 14.7 km at an angle 35 degrees south of east. Find the east and north components of this walk.

    asked by Kylee
  18. physics

    A diver of mass 68.9 kg stands at the end of a diving board of mass 24.5 kg and length L = 3.29 m. The diving board is supported at two locations, labeled A and B on the diagram. A and B are separated by a distance d = 0.74 m. Observe normal sign

    asked by Sydney
  19. calculus

    According to Car and Driver, an Alfa Romeo going 70 mph requires 177 feet to stop. Assuming that the stopping distance is proportional to the square of the velocity, find the stopping distance required by an Alfa Romeo going at 45 mph and at 115 mph.

    asked by Jamie
  20. Physics

    Four coulombs of positive charge flow from the +6 V positive terminal of a battery to the negative terminal at 0V. What is the charge in potential energy of the charge.

    asked by Adriana
  21. physics

    A resistor is connected across the terminals of a 6.00-V battery, which delivers 3.50 105 J of energy to the resistor in 11 hours. What is the resistance of the resistor?

    asked by Anonymous
  22. chemistry

    What is the boiling point of a solution composed of 15.0g urea, (NH2)2CO, in .500kg of water?

    asked by Evelyn
  23. physics

    What is the speed of a communications satellite orbiting the Moon at an altitude of 290 km above the Moon’s surface? I know that G=6.67e-11 and h=290. I plugged inthese values, 7.35e24 for the mass and 1.738e6 for the radius into v=sqrtGM/R=h but I

    asked by joe
  24. math 12

    A manufacturer of cereal finds that the masses of cereal in a company's 200-g package are normally distributed with a mean of 200g and a standard deviation of 16.3g a) What proportion of these boxes contain between 183.7g and 216.3g of cereal? b) What is

    asked by kitkat
  25. physics

    two identical point charges are fixed to diagonally opposite corners of a square that is .5m on a side. Ecah charge is +3.0x10^-6 C. How much work is done by the elctric force as one of the charges moves to an empty corner

    asked by sasha
  26. Calculus

    According to Car and Driver, an Alfa Romeo going 70 mph requires 177 feet to stop. Assuming that the stopping distance is proportional to the square of the velocity, find the stopping distance required by an Alfa Romeo going at 55 mph and at 115 mph.

    asked by Brittany
  27. College Physics

    A charge of -3.10 nC and a charge of -6.65 nC are separated by a distance of 80.0 cm. Find the position at which a third charge of +7.10 nC can be placed so that the net electrostatic force on it is zero.

    asked by Stefan
  28. geometry

    Given that AB is a tangent of the circle with the center at X, AB = 12, and XD = 2.5, which is the length of DB?

    asked by Nicole
  29. physics

    A trapeze artist, starting from rest, swings downward on the bar, lets go at the bottom of the swing, and falls freely to the net. An assistant, standing on the same platform as the trapeze artist, jumps from rest straight downward. Friction and air

    asked by megan
  30. Cylinder Height

    A cylinder has surface area of 402 cm2. The height is three times greater than the radius. What is the height of the cylinder?

    asked by Sydney
  31. geometry

    In triangle abc, ab=5 bc=9 and ac=8 Choose the angle measures from greatest to least

    asked by Jake
  32. Physics

    One liter of water at 47 degree C is used to make iced tea. How much ice at 0 degree C must be added to lower the temperature of the tea to 12 degree C? The specific heat of water is 1 cal/g · degree C and latent heat of ice is 79.7 cal/g.

    asked by rukia
  33. Chemistry

    If water I'd added to magnesium nitride, ammonia gas is produced when the mixture is heated Mg3N2 (s) + 3H2O (l) ----> 3MgO) (s) + 2NH) (g) *Only the numbers at the beginning aren't subscripts* If 10.3 g of magnesium nitride is treated with water, what

    asked by Anon
  34. To helper

    Did you know that the best help you can give a student is NOT to do the problem for him, but to lead them to a solution. You can do this by example, or hints, or setting up the problem. Giving it away makes it worthless, and does not help the student

    asked by bobpursley
  35. English

    How is "An Occurrence at Owl Creek Bridge" a reflection of the time period which produced it (1890s)? THis was my last question, and i been stuck on it for 20 minutes, please HELP!

    asked by Amber H.
  36. MATH

    Find the percent of markup. Wholesale price: $34 Selling price: $42.50

    asked by Please help!!!
  37. science

    how is the boiling and melting point of iron more than that of sodium?

    asked by kunjani pathak
  38. organic chemistry

    what product is formed from 1-bromo-2 methyl-cyclohexane reaction with CH3ONa and CH3OH...from a substitution reaction ...I got 1-CH3OH-2methly-cyclohexane but it's wrong. Not sure how to do it

    asked by Yoo
  39. trig/functions

    what does y=2 sin (x-pi/ .5) -1 look like on a graph with the 3 phases of the function?

    asked by alyssa
  40. sawmills 3rd grade math

    Draw an array. Then write a fact family to describe your array

    asked by chasestory
  41. ALGEBRA

    Lines A and B are perpendicular and have the same x-intercept. The equation of line A is x + 2y - 4 = 0 . Determine the y-intercept of line B. A.-8 B.-2 C. 4 D. 8 This is the work that I did: x + 2y - 4 = 0 +4 +4 x+2y = 4 -x -x 2y = -x+4 divide both sides

    asked by Anonymous
  42. English

    1.Before she followed the white rabbit through the tiny door, Alice has (shrank, shrunk) to a very small size! 2.Vulcan's hammer (rang, rung) as he worked metal for the Roman gods. 3.Not only have I never (rode, ridden) a roller coaster, but I probably

    asked by Hayley
  43. Physics

    The gravitational potential difference between the surface of a planet and a point P, 10 m above the surface, is 8.0 J kg-1. Assuming a uniform field, what is the value of the gravitational field strength in the region between the planet’s surface and

    asked by Christine
  44. algebra

    Solve each quadratic by using the wuadratic formula and round the answer to the nearest hundredth, if possible. 1. x^2 = 9 2. 0 = 3x^2 - 8

    asked by Clammyson
  45. Physics

    An airplane flies at 65 m/s in the direction 149 degrees counter clockwise from east. What are the east and north components of the plane's velocity?

    asked by Kylee
  46. english

    How does " an occurence at owl creek bridge" a reflection of the period of time?

    asked by Tiffany
  47. College Physics

    A charge of -3.10 nC and a charge of -6.65 nC are separated by a distance of 80.0 cm. Find the position at which a third charge of +7.10 nC can be placed so that the net electrostatic force on it is zero.

    asked by Stefan
  48. 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
  49. physics

    The heating element of a clothes dryer has a resistance of 14 and is connected across a 240 V outlet. What is the current in the heating element?

    asked by Anonymous
  50. computer

    what fundamental rights of the individual have computer privacy laws tried to protect

    asked by sara
  51. chemistry

    4NH3+7O2 yields 4NO2+6H2O If 8g of NH3 reacted with excess O2, how many g of H2O will be produced?

    asked by Katelyn
  52. Math grd 12

    The number of nuts in a package of Nutty's premium cashews is normally distributed with mean of 432.4 nuts and standard deviation of 5.8 nuts packages with fewer than 420 nuts or more than 445 nuts will be rejected by quality control a) what is the

    asked by Celina
  53. physics

    A strong child pulls a sled with a force of 108 N at an angle of 33.6° above the horizontal. Find the vertical and horizontal components of this pull.

    asked by Byron
  54. Math

    What is the surface area of a right circular cylinder topped with hemisphere if the height is 60ft and the length is 20ft?

    asked by Monica
  55. math

    ee ann wants to mix tea with 2 Cents per oz with 100oz of tea worth 5 cents per oz to make a mixture worth 3 cents per oz. how much 2 cent tea should be used?

    asked by Anonymous
  56. MATH ALGEBRA

    Which of the following coordinates are intercepts of the linear relation 2x- 3y + 30 = 0 ? I. (0 , 10) II.(0 , 2/3) III.(-10 , 0) IV.(-15, 0) A. I only B. I and IV only C. II and III only D. II and IV only This was what I was trying to do: 2(0)-3(10) + 30

    asked by Anonymous
  57. social studies

    1) how did the fact that fur trading companieswere econimic imperialists affect the development of westerm Canada? 2) how did the arrival of settlers in the West affect the fur trade? 3) describe the role played by Native peoples in the fur trade. 4)

    asked by sue
  58. Physics-moment of inertia PLEASE HELP

    this is the question : A CD has a diameter of 12.0 cm and a mass of 15.8 g. The motor in a CD player causes the disk, initially at rest, to spin. When in operation, the CD spins in such a way that the laser scans the tracks at a constant tangential

    asked by Trace
  59. Chemistry

    Determine the pressure in a 125-L tank containing 56.2 kg of oxygen gas at 25 °C. So, PV=nRT I convert 25 °C to 298.15 K Do I have to convert anything else? What else do I do?

    asked by Anon
  60. Science

    Two Organisms were found to have different genotypes but the same phenotype. what these genotypes might be. I Need Help Please Badly

    asked by Desmond Reid
  61. advance algebra

    The sum of two numbers is 103, the larger number is 1 more than 5 times the smaller number. use x=smaller number y=larger number

    asked by A-D
  62. english 3

    A wind began to blow, and he shivered. With all his strength he tried to hold and to understand the mood that had come upon him. In that high place in the darkness the two oddly sensitive human atoms held each other tightly and waited. In the mind of each

    asked by jazmyn
  63. Algebra

    Isosceles triangle,two angles have the same measure. Determine the measure of the third angle in an isosceles triangle,if the third angle is 10 more than one-half of either of the equal measurements

    asked by Lee
  64. Chemistry

    In an experiment, 238 mL of 0.45 molar hydrochloric acid completely reacts with excess iron to produce hydrogen gas and iron (III) chloride. What volume will the hydrogen gas occupy if it is collected over water at 35 degrees Celsius and 735 torr? The

    asked by Tichele
  65. Physics

    A 1200 kg elevator is attatched to a cable whose tension is 11700 n. What is the magnitude of the elevator's acceleration? What is the Motion of the elevator? could have multiple answers.

    asked by Bill
  66. Biology

    I don't know any info an the first semester and midterms are tomorrow please help ( Populations, Communities, and Ecosystems Chemistry of Living Things History of Life on Earth: The First Simple Cells History of Life on Earth: Complex Cells Cells and Their

    asked by Noemie
  67. physics

    'the mass of the Earth is approximately 80 times the mass of the moon and the earth's radius 3.7 times that of the moon. if the acceleration of free fall on the Earth is 10 ms2. estimate its value on the moon'

    asked by Anonymous
  68. Science

    Predict Two Organisms were found to have different genotypes but the same phenotype.Predict what these genotypes might be.Explain

    asked by Joneisha
  69. geometry

    How can I prove that triangle jlm is congruent to triangle ljk if line jl is perpendicular to line lm and line lj is perpendicular to line jk and line mj is congruent to line kl

    asked by rachel
  70. Math

    5. The Leaning Tower of Pisa leans toward the south at an angle of 5.5 degrees. One day near noon its shadow was measured to be 84.02m long and the angle of elevation from the tip of the shadow to the following, assume that the Tower is like a pole stuck

    asked by Alicia
  71. math

    1500cm= mm 72 km= m 38000 cm= m 42 m= mm 986 cm= mm 48000 mm= m 5000 m= km 5280 cm= mm

    asked by julian
  72. ECONOMICS

    UrGENT, PLS ANSWER MY QUESTION IMMEDIATELY!!! For each pair of commodities,state which do you think is more elastic and give your reasons:perfume and salt; penicillin and icecream; automobiles and automobile tires.

    asked by IVY
  73. physics

    Find a vector with a magnitude of 1.00 that bisects the angle between the vectors 5.00i + 11.0j and 2.00i − 1.00j. Give your answer in rectangular coordinates. Please explain how you arrived at the solution. Thanks!

    asked by melissa
  74. material science

    How much heat (in BTU) would be required to heat and vaporize 100 lb of water from 25°C to saturated steam at 1 atm? Assume heat capacity is constant at 1 BTU/lb-°F and the latent heat of vaporization is 1,000 BTU/lb

    asked by zura
  75. math

    mystery numbers A = B + 5 B = C + 7 C = THE DIFFERENCE BETWEEN 13 AND 9 D = A - B

    asked by nat
  76. MATH_ALGEBRA

    The price to cover ornaments is a fixed amount plus a percentage of the value of the ornaments. It costs $32 to insure $1000 worth of jewellery or $44.50 to insure $3500 worth of jewellery. What is the fixed amount to insure jewellery? A. $27.00 B. $31.25

    asked by Anonymous
  77. banyan elementary

    Samantha has 7 tomato plants in 12 rows. How many tomato plants does she have? Solve using multiplication equations

    asked by maya
  78. maths

    each side of a square flower bed is 2cm and 8cm it is extended by diging strip of 30cm wide all around it,find the area of enlast and also increase in area flower bed.

    asked by manisha
  79. Chemistry

    How much heat is evolved when 6.688 moles of Cu(s) is burned in excess oxygen

    asked by Hector Smith
  80. physics

    A train is moving parallel and adjacent to a highway with a constant speed of 22 m/s. Initially a car is 69 m behind the train, traveling in the same direction as the train at 35 m/s and accelerating at 3 m/s 2 . What is the speed of the car just as it

    asked by Katy
  81. math!!!

    The function h = -6(t - 2.5)^2 + 38.5 gives the height, h metres, of a batted baseball as a function of the time, t seconds, since the ball was hit. What as the maximum height of the ball? a) -6 b 2.5 c) 38.5 d) 0

    asked by Alicia
  82. math

    Given the following equation x,y data pairs find the least squares equation for these data. Use 3 decimal places. Y equals what + what x(3,3)(4,5)(6,8,)

    asked by jeffrey
  83. Chem

    A balloon contains 30.0 L of helium gas at 103 kPa. What is the volume of the helium when the balloon rises to an altitude where the pressure is only 25.0 kPa? Assume that the temperature remains constant

    asked by Shrell
  84. Chem

    A balloon contains 30.0 L of helium gas at 103 kPa. What is the volume of the helium when the balloon rises to an altitude where the pressure is only 25.0 kPa? Assume that the temperature remains constant

    asked by Shrell
  85. algebra

    neil was growing a culture of bacteria for a biology experiment. he noticed that the population doubled after 90 minutes. if the population grows exponentially, how many times the original population will there be after six hours?

    asked by Anonymous
  86. math 4th grade

    n divided by 5 equals 105 how do you no that the tens place in n is less than 5

    asked by mitch
  87. pphysics

    Two spherical objects have masses of 300 kg and 1000 kg. Their centers are separated by a distance of 5m. find the gravitational attreaction between them.

    asked by Al Daq
  88. Math

    3. The costs of doing business for a company can be found by adding fixed costs, such as rent, insurance, and wages, and variable or suppliers costs, which are the costs to purchase the product you are selling. The portion of the company’s fixed costs

    asked by adb
  89. physics

    a 5kg suitcase slides 2m down a frictionless ramp incline at 45 degress. How fast is it going at the bottom?

    asked by Luke
  90. advance algebra

    find three numbers such that the second is 6 less than 3 times the first , and the third is 2 more than 2/3 of the 2nd.The sum of the three numbers is 172. use x=1st number y=second number z= 3rd number please help...thanks a lot!!

    asked by A-D
  91. English

    Can you check these sentences on Elizabeth I's film, please? Thank you 1) In 1585, Roman Catholic Spain, under the rule of King Philip II , is the most powerful country in Europe. 2) Philip intends to make war against Protestant England in retaliation for

    asked by Franco
  92. Math

    Which of the following is true if a pentagon tessellates a plane? a. A pentagon never tessellates a plane b. All of its sides must be the same length c. It must be a regular pentagon d. It has one pair of parallel sides I was thinking its (c) but not sure.

    asked by Rena Lambides
  93. Chenistry

    How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4

    asked by Artie
  94. Chemistry

    What adjustment would you make to the Bunsen burner (a) to correct a flame with an orange tip (b) to correct a ragged, noisy flame? ..I always get the purpose of the gas inlet / air inlet mixed up

    asked by John
  95. physics

    The electric potential energy stored in the capacitor of a defibrillator is 64 J, and the capacitance is 137 µF. What is the potential difference that exists across the capacitor plates?

    asked by Anonymous
  96. Ms Sue

    Ms Sue do u know if this website also offers free hmk help? Learn Now BC like can u sign up for free on there?

    asked by Anonymous
  97. trig

    the question is: given sec x = 4, tan x < 0, find sin(2x), cos(2x)and tan (2x)

    asked by lauren
  98. science

    What net force is needed to accelerate a 25kg cart at 14m/s2?

    asked by ton
  99. Pre-Calculus

    3n=squareroot of 10n-1 And Y=squareroot of 7y-10 Help would be greatly appreciated!

    asked by Laura
  100. Biology

    How do the heart, capilaries, arteries and veins work to distribute materials through the body?

    asked by Anna
  101. Intermediate Algebra

    The volume V of a certain solid is twice the product of pi and the cube of its length L. Translate into an expression

    asked by Kacy
  102. 5th grade algebra

    I need help with input out put table. The top row is: 1, 4, 3 5 8 9 6 The bot row is: 1, 10,7,13 ? ? ? The question marks are blanks in the table. Hellllllp please

    asked by Hannah
  103. Junior Math

    Can you help me combine the expression into a single fraction? (t^2-1)/(t^2+7t+10) - (2t+4)/(t^2-t-6) and (3a-1)/(2a+6) - 7a/(a^2+7a+12) Thanks!

    asked by Grace
  104. physics

    a 2kg mallet is dropped from a height of .6m onto a nail, driving it 3.5 cm into the wood. What is the average force exerted by the mallet on the nail? thanks

    asked by jake
  105. phyics

    a 2kg mallet is dropped from a height of .6m onto a nail, driving it 3.5 cm into the wood. What is the average force exerted by the mallet on the nail? thanks

    asked by jinny
  106. English

    Can you check these statements for me, please? 1) What did you have as a drink/to drink? I had a coke. 2) Winston is attracted by the telescreen, which shows a report about the big iron. The Party has taken control (?) of his life 3) The street, in which

    asked by Franco
  107. home economics

    is it ethical or unethical to take a computer home to complete a work-related assignment

    asked by Anonymous
  108. third grade hw help

    My third grade is needing help with his science homework please the question is as follow List as many resources as you can that you use during one day? Thanks!

    asked by Nicky
  109. TO Helper

    Helper could you please look through my other Algebra Math posts, I really need help, please and thank you.

    asked by Anonymous
  110. Dynamics

    A French artillerist, Captain A. Le Duc, developed an empirical formula for the velocity of a projectile in terms of the distance traveled by the projectile in the bore. For a 155-mm gun this equation is v = 3309s /(70 + s) where s is the distance traveled

    asked by stan
  111. HCR/220

    In your opinion does the HIPPA 837 form have more pertinent information than CMS-1500 form when submiting.

    asked by Leonard
  112. english

    Is it ethical telling an associate and close friend that she should pay more attention to her work responsibilities, or management will fire her please explain why?

    asked by Ash
  113. Math

    Samuel drew a blue marble out of a bag in 8 out of 12 pulls. Predict how many times he will draw blue in 30 pulls. Please explain.....

    asked by Kris
  114. English

    I have to write an outline on The Sun Also Rises by Ernest Hemingway, and I can't seem to find an appropriate thesis statement for such a paper. I was hoping someone could help me. I was thinking something along the lines of: In The Sun Also Rises,

    asked by Ethan
  115. English

    This isn't that hard(ok maybe it is) but I just want you to check. We had to say whether of not the underlined word was a adjective of noun. The ones I had trouble with were: She certainly had a -spring- in her step that day! -Spring- is a noun Only the

    asked by Catherine
  116. math

    Determine the values of sin, cos, tan, csc, sec and cot at (-3, -3) on the terminal arm of an angle in standard position 2. If cos θ = 2/3 and 270° < θ < 360° then determine the exact value of 1/cot

    asked by steph
  117. math

    3. Find the exact value of the following, show all work. a. sin^2 (75^0)/sin45, cos^2, 30^0 b. tan(135) + sin(30)cot(120)

    asked by Aly
  118. Math

    4. Evaluate the following, give exact value when possible. a. sec(225) = 2.72 b. sin(-15) – 0.065 c. sin(75) = -0.39 Are these the correct answers? I feel like there should be an equation... I'm confused

    asked by Chelsea
  119. Math

    Given: csc = - 17/15 where 270 < 360 cot = -3/4 where 90 < 180 Find the exact value of sin. Show all work.

    asked by Anonymous
  120. Math

    t/h + E^g * the square root of A over m to the Eth

    asked by Jennifer
  121. econ 102

    the price-elasticity of perfume and salt.

    asked by raymond
  122. advance algebra

    The difference of two numbers is 192.If one is 9 times the other, what is the bigger number. X=smaller number y= bigger number please help..thanks

    asked by A-D
  123. advance algebra

    The sum of two numbers is 81, one of the numbers is 9 more than the other.What are the numbers? please help..thanks a lot

    asked by A-D
  124. ECONOMICS

    The relative price of personal computers has dropped drastically over time. would you explain this falling price in terms of demand or supply changes? what factors (at least 4) are likely to have caused the demand or supply shifts that did occur?

    asked by IVY
  125. Math --- For Reniy

    My answer on the problem was paralle ???

    asked by sally
  126. COM155

    Students are often confused about the use of the words good and well in their writing. Write a 100-word passage to Susan Anker, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the

    asked by Anonymous
  127. physics

    A train is moving parallel and adjacent to a highway with a constant speed of 30 m/s. Ini- tially a car is 44 m behind the train, traveling in the same direction as the train at 42 m/s and accelerating at 3 m/s2. What is the speed of the car just as it

    asked by Anonymous
  128. algrebra

    Suppose the speedometer in your car reads 55.0 mph. What is your speed in m/sec? (1km=0.621 mi)?

    asked by susan
  129. math

    i need to choose an appropriate scale and interval size for a frequency table that will represent the data and then make a frequency table. How do i do this?

    asked by Eric
  130. 12 th English

    I need to write a Parody on TV media analysis. Where do I begin?

    asked by Jane
  131. English

    I forgot to include the following statements. Thank you very much. 1) In the main street there are two baker's shops (if I write two baker's without including "shop" is to be regarded as a mistake?). 2) Elizabeth seeks advice from her astrologer, who

    asked by Franco
  132. algebra

    how do u do 1.25 multiplied by 64

    asked by joshua
  133. math

    Thank you for your help. I don't know how to do this, so if you could explain step by step how to do this, that would be really good.... "A rough approximation for ln(5) is 1.609. Use this apporximation and differentials to approximate ln(521/100) thanks

    asked by APPRECIATIVE STUDENT
  134. British Literature

    I did read the sparknotes info but all I could come up with was Roman Catholics, sin, Satan. I can't figure out a way to really make this connect to the story. Any help would be appreciated.

    asked by Anna
  135. maths

    4m a rectangular sheet tin of size 100cm,80cm are cut 4 square side 10cm from each corners find area of remaining side.

    asked by manisha
  136. algebra 2

    what is the quadratic function that has the roots (4+3i) and (4-3i)

    asked by madi
  137. math

    The product of two numbers is 60. If you divide the larger number by the smaller number you get 15. What are the two numbers? Please show how your two numbers meet the 2 criteria stated in this problem.

    asked by Anonymous
  138. math

    Finance: if given the equation: y=12000(1.07)^x a)Estimate the time it will take to double using the rule of 72 b)determine the time it takes for the investment to double useing the fuction

    asked by Dane
  139. chemistry

    write three physical change and three chemical change and their similarity and give examples

    asked by Mohamed shiko
  140. alg. 2

    solve by subsitution 2x+3y=10 x+6y=32

    asked by kat
  141. Math

    In my schoolwork, they want me to find out the perimeter of a rectangle. I found out that the sides of the triangle was 3 forths of an inch and the top was 3 inches. I forgot how to find out the perimeter and the area. Could you please help?

    asked by Lousianagirl
  142. chemistry

    How would the volume of gas produced in an experiment be affected if the pressure of the water vapor was not accounted for in the calculations?

    asked by Anonymous
  143. Math

    Sagal works as a DJ at a local radio station.On occasion, she chooses some of the songs she will play based on the phone-in requests received by the switchboard the previous day. Sagal's list of 200 possible selections includes a)100 songs in the top 100

    asked by Rania
  144. physics

    THe steering wheel of a car has a diameter of 60cm and turns a shaft 4cm in diameter (a) If a 90nt force is needed to turn the wheel, what torque is exerted on the wheel? (b) What force is applied tangentially to the surface of the shaft?

    asked by bird
  145. algerbra

    I come up with y-intercept (0,30) and x-intercept (20,0) for this 6x+4y=120 Can you tell me if I am right. If wrong what are x and y intercepts for 6x+4y=120

    asked by Debster
  146. chemestry

    show a correct numerical setup for determining how many litters of a 1.2M solution can be prepared with a .50 mole of c6h12o6

    asked by edward
  147. english

    take the first definition then double one letter to spell a word Example Slang word for a police officer - cop A place wher chickens are kept - coop Q. Your male boy - before long - Q. A written sales pitch - To put two and two together Q. longing for

    asked by Ethan
  148. English

    1.That cute little puppy has (stole, stolen) a biscuit. 2.The Boys Choir of Harlem has never (sang, sung) more beautifully. 3.Jimmy's toy sailboat had (sank, sunk) to the bottom. 4.Why had the dog (took, taken) the cell phone outside? 5.Why have all those

    asked by Hayley
  149. Algebra II

    How would I simplify the complex fraction: 3/x^3/1/x^2 ? Thanks

    asked by Autumn
  150. math

    a person invests $2000 at 4% per year comoundes semi-annually for 25 years, determine how long it will take for the investment to reach $5000, using the tvm solver in your calulator and using an exponential funtion.

    asked by Dane
  151. 8th grade Science

    In ionic bonds, what is the answer to these? Li + P and Rb + As and Pb + F and Bc + N ??

    asked by Susan
  152. physics

    a 2kg mallet is dropped from a height of .6m onto a nail, driving it 3.5 cm into the wood. What is the average force exerted by the mallet on the nail? thanks

    asked by jen
  153. Place Value

    Choose between the numbers 0, 2, 3, 4, 5, and 6 to make the largest four digit natural number in terms of value that you can. The number 078 has two digits. The number 00045 has two digits. Choose between the same numbers to make the smallest four digit

    asked by Melissa
  154. math

    help by solving substitution method 6x+5y=-12

    asked by sally
  155. Writting

    Describe the genre of "The Third Wish" and what aspects of the story make it this genre. PLZZZZZZ HELP

    asked by SkaterGirl
  156. MTH213 -

    A two-digit number has the property that the units digit is 4 less than the tens digit and the tens digit is twice the units digit. What is the number?

    asked by Jonathan
  157. math

    a large jar contains 500 marbles suppose you have an identical empty jar how would you find the mass of one marble

    asked by john
  158. 5th grade math

    what is the range for the following number? 900,700,500,600,600,300,600,200,100,200? pleASE! EXPLAIN HOW TO SOLVE THE PROBLEM..

    asked by pat
  159. math

    If a boat can travel on the lake at 15 miles per hour, and it took 25 minutes to cross the lake, how many miles it took to cross the lake/

    asked by Timmy Adams
  160. Math- Algebra II

    9x^4/16y^6 How to I simplify it must be written in exponential form and no negative exponents. HELP

    asked by Christina
  161. math

    what is the next number in this sequence ...100,10,1,...?

    asked by jill
  162. Science

    I need help answering with the below question please What are three ways resources are brought up from under Earth's Surface? Thanks!

    asked by Stella
  163. alg.2

    solve by elimination x+3y=0 2x+6y=5

    asked by ana
  164. Math

    Please help me solve this inequality problem. |1-(4)/(3)x|

    asked by Mandi
  165. ap chemistry

    What minimum volume of .2M Na2CO3 is needed to precipitate all the Sr 2+ from 25mL of .1M Sr(NO3)2

    asked by syd
  166. alg2

    for the graph: y>x^2+9 what is the range?

    asked by exam tomorrow! help
  167. algebra 2

    solve by using the quadratic equation: 5x^2+3=-7x

    asked by kayla
  168. 5th grade math

    a new fence is needed for the perimeter of a rectangular horse pasture. The pasture measures 78 feet by 68 feet. how many feet of fencing are needed for the pasture? CAN YOU SHOW TO WORK THIS PROBLEM>?

    asked by pat
  169. english

    Is it ethical or unethical to Deemphasizing negative test results in a report on your product idea?

    asked by Anonymous
  170. math 1-2

    how do you change a linear equation to make the graph steeper?

    asked by monique
  171. Math

    Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

    asked by Brad
  172. algebra

    How do I solve this inequality? Please help. (3x-2)/(5)-2

    asked by Michele
  173. Algebra

    Decide weather the pair of lines are paralle, perpendicular, or neither. 5x+4y=3 4x+5y=1 I am lost here

    asked by Sally
  174. Chemistry

    A procedure states "use iron(III)chloride hexahydrate". Can I use anhydrous iron(III) chloride instead if the hexahydrate is not available?

    asked by Janice
  175. Algebra 1

    5x + y = 5x + (3x − 11) = 13. Please help me solve this step by step. This is killing me. I really need help, thank you so much.

    asked by Esther
  176. Math - Calculus

    Integration of (sinx + cosx)^2 from 0 to pi/2. I get pi/2 + 1 as my final answer... wondering if that's correct?

    asked by Jen
  177. Algebra 1

    5x + y = 5x + (3x − 11) = 13. Please help me solve this step by step. This is killing me. I really need help, thank you so much.

    asked by Esther
  178. Hard math

    Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

    asked by Sally
  179. math

    Two angles are supplementary. One angle is 4 degree less than 3 times the other. Find the measures of the angles.

    asked by Marcia
  180. com155

    Students are often confused about the use of the words good and well in their writing. Write a 100-word passage to Susan Anker, the author of the course’s textbook, in which you describe five details from her book that are good and five details about the

    asked by Anonymous
  181. English

    You had to say whether or not the underlined word was adjective or pronoun. Can you check? -That- is my favorite fiction book. -That- is a pronoun. -This- is a good collection of books, too. -This- is a pronoun. -These- are good to read. -These- is a

    asked by Catherine
  182. chemistry

    titration of phosphoric acid in presence of excess h2po4-, changes in equivalence point??

    asked by riya
  183. algebra

    how to solve this?? 13y=10 x+Y+Z=39 16x=13z

    asked by aldren
  184. calculus

    is dy/dx=5/x+y separable? If so, how? Thank You.

    asked by Steven B.
  185. geometry

    two angles are complementary one angle is 18 more than three times the other find the measure of the larger angle

    asked by franceska
  186. Calculus

    PLZ show work, find the rieman sum of 6 intervals of sinx from (0,pie) also find the absolute min and max of ln(2+sinx) for pie(or equal to) 2pie

    asked by ALEX
  187. math

    If 5000 is deposited at the end of every year for 10 years at 5% compounded monthly, then the amount of this annuity on the date of the last payment is

    asked by Anonymous
  188. rectangular area

    mark wants to fence a area 240 sq feet for his dog the fence is 24 feet long then how wide will the fence be

    asked by anthony
  189. spanish

    fill in the bank primero ,vamos a _________ tarde.

    asked by nece
  190. PSY

    In what ways has the information changed you life? Has it changed your personal belief system? Has it changed your understanding of your fellow human being? How have you implemented the concepts from this course in your life?

    asked by Missy
  191. English

    Where can I find examples of the sentence pattern Pronoun-verb-article-noun, conjunction-pronoun-verb-adverb on the internet? I need 5 examples. Thank You.

    asked by Jacob
  192. MATH -ALGEBRA

    Kadie bought 144 dougnuts for $80. her profit was $75 once she sold 100 dougnuts. What would be a equation for this? A. P = -0.05n +80 B. P = 0.05n - 80 C. P = 0.75n D. P = 1.55n - 80 Its D, but how do u get that answer, this is so confusing

    asked by Anonymous
  193. Science

    I am in the third grade. Can u please explain to me what displacement is and how it is used. Thank you.

    asked by Yalitsa
  194. Math

    how long will it to earn $525 in interest if 3500. is invested at 65 apr?

    asked by Conor
  195. MATH-ALGEBRA

    What's the slope-intercept equation of line which is parallel to y = 2/5x-3 and passes through point (0,5) A. y = -5/2x - 3 B. y = -5/2x + 5 C. y = 2/5x + 3 D. y = 2/5x + 5 Its D, but how do u figure that out? please explain step by step.

    asked by Anonymous
  196. math 12

    In a population of 328 snakes at a zoo, it is known that 162 are female. A scientist selected 50 snakes at random to run some tests. What is the probability that the scientist will select at least 30 female snakes?

    asked by kitkat
  197. Chenistry

    How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4

    asked by Artie
  198. math

    Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.

    asked by Anonymous
  199. alg. 2

    complete the square... x^2-16x+4=0

    asked by m
  200. chemistry

    How would the volume of gas produced in an experiment be affected if the pressure of the water vapor was not accounted for in the calculations?

    asked by Anonymous
  201. math

    what is the coast of tilling rectangular plot of land 500m long and 200m wide at the rate of Rs 8 per hundred sq m?

    asked by Rachit
  202. math

    write the expression sq.root of 3 + 5 / sq.root of 3 - 5 as a proper fraction?

    asked by marta
  203. Physics

    A crank .25 long turns a shaft with a diameter of 3cm around which part of a rope is wound. One end of the rope hongs free and supports a weight of 4200nt. (a) What torque does the weight exert on the shaft? (b) What torque must be excerted on the crank to

    asked by bird
  204. College Algebra

    Can you please help me solve this word problem? Your boss has asked you to come up with a price model for one of the cell phone models that your company produces. In the model, costs and length of service are directly related. You are also asked to examine

    asked by Michael
  205. Math and Reading

    Please help me, my son struggles in the 6th grade. I am afraid that he might have to repeat again. He has low grades in reading and math.I have spoken with his teachers, and they say lack of motivation. How do i help him so he can do what he needs to. I

    asked by Keysha
  206. math

    given the following equations x,y data pairs find the least squares equation fo these data. use 3 decimal places. Y equals what + what x (3,3)(4,5)(6,8)

    asked by jeffrey
  207. algebra

    Solving equations. PLEASE HELP! (4)/(x+2) - (4)/(x) __________________ = 1 2

    asked by Amy
  208. Chenistry

    How many moles of PbO are needed to produce 4 moles of Pb3O4? Given the equation 6PbO+O2 = 2Pb3O4

    asked by Artie
  209. business

    You are writing to alumni of fraternity raising money for a scholarship. if you cannot personalize the letters, what would be the best salutation? A) Dear Brother B) Dear Sir C) Dear wealthy Alumnus D) Dear Alpha Kappa Psi Member My answer is D, but i am

    asked by Nancy
  210. Maths

    1.Humans breathe about 15 breathe in a minute.The average breath at rest contains 0.76 liter of air.About how many liters of air will you breathe while at rest for 25 minutes? 2.Greta ran the 400-m dash in 49.07 s.If Greta ran at a constant rate,how many

    asked by Anonymous 1
  211. Medical & Billing

    Can any one let me know how long it will take to complete Medical & billing certificate i am doing from Penn Foster and i am doing 4th assignement & 4 moths are over,it really sucks with projects kindly help me with ur comments what should i do continue or

    asked by Joe
  212. spanish

    where does the accent mark belong on espanol

    asked by erika
  213. 4th Grade

    Mrs. Harrison baked 36 cookies for a party. When thearty was over 2/9 of the cookie were left. How many were left?

    asked by Keon
  214. 4th Grade

    Mrs. Harrison baked 36 cookies for a party. When thearty was over 2/9 of the cookie were left. How many were left?

    asked by Keon
  215. Physics

    The shuttle is orbiting the earth at a distance of 500km above the earths surface. Assumingan astronaut has a mass of 72kg, what is the force of gravity upon him or her? You may assume the earth has a mass of 5.98 x 10^24kg and a radius from the center to

    asked by Bianca
  216. MATH ALGEBRA

    How would u figure this question out? Does this system of linear equation have a solution of (-3,4)? 2x-3 = 6 y = 3x-13 Do u just substitute the numbers or something?

    asked by Anonymous
  217. english

    the trees are long and their branches are tall. sentence fragment anywhere?

    asked by Anonymous
  218. MATH-ALGEBRA

    Kadie bought 144 dougnuts for $80. her profit was $75 once she sold 100 dougnuts. What would be a equation for this? A. P = -0.05n +80 B. P = 0.05n - 80 C. P = 0.75n D. P = 1.55n - 80 Its D, but how do u get that answer, this is so confusing

    asked by Anonymous
  219. Areas/Rectangle

    Given that the area of the rectangle is 2x^2 + 9x - 5 , determine the length of the rectangle.

    asked by Sydney
  220. algebra

    Solve |x + 5| < 9

    asked by Joshua
  221. calculus

    The area of a rectangle is 25cm^2. Express the perimter of the rectangle in terms of its width.

    asked by Kristina
  222. computers

    What are the best websites to find facts on inventions such as the spiral notebook?

    asked by liz
  223. Math

    Ryan wants to put a fence around a rectangular dog run with a length of 20 meters and width of 12 meters. How many maters of fence does Ryan need?

    asked by Dasha
  224. math

    3 numbers you could add to 15 withour regrouping

    asked by Anonymous
  225. Calculus

    x+2)^3(X-1)^4(x+3)^2

    asked by Sam
  226. Math

    Hi, Im In The 7th Grade And I Have To Do A Essay And I Don't Know A Real World Situation That Could Be Modeled By A Mathematical Function Table On Graph ??? Any Help ????

    asked by Brittani
  227. algebra

    Find two functions, f and g, to express the given function (y = [4/(x-3)] + 1) in each way shown below. Sum Product Quotient Composition I got the sum and the composition, but I can't figure out the product and the quotient. Any help is appreciated,

    asked by Anonymous
  228. physics

    Find the coefficient of kinetic friction between a 4.3-kg block and the horizontal surface on which it rests if an 80 Newton/meter spring must be stretched by 2.7 cm to pull the block with constant speed. Assume the spring pulls in a direction 13 degree

    asked by emily
  229. FP101

    150-200 words Discuss the advantages and disadvantages of renting a home vs. buying.

    asked by Anonymous
  230. math

    what is 7/8 in a decimal?

    asked by logan
  231. health

    what is sex determination?

    asked by kriti
  232. Language Arts

    Pronuniation

    asked by Angelica
  233. algebra

    How do I find a the surface area of a can that has a diameter of 4 inches and a height of 3 inches?

    asked by paige
  234. math

    i need help by knowing how to find area with 3 shaped in all please help

    asked by Jacqueline
  235. algebra

    show mw how to do 1.25 of 64

    asked by joshua
  236. financial planning

    Identify two cash management products and provide a short description of each. Do you have any experience with these products?

    asked by ashley
  237. math

    i need to know how do you convert 7/8 to a percent

    asked by Jacqueline
  238. Math

    If your neighbor's house is 2/8 smaller than you house and the volume dimensions of your house are 13, 26 and 130 sq ft, what is the volume of your neighbor's house

    asked by JC
  239. Anatomy

    How does homeostasis help you to survive?

    asked by Jewel
  240. maths

    a rectangular field is measured 290m by 219m.how long it will take for a girl to go to 2 times round the field.if she walks at the rate of 1.5m per sec.

    asked by manisha
  241. MATH

    Solve for a 18= -a + 2

    asked by Please help!!!
  242. Calculus

    Consider the function f(x) = 5x^3 +5x^2 + 7, and let c be a number in the interval [0.1] . For what values of k is there a c in this interval such that !@#$%^&? ______≤k≤______

    asked by Anonymous
  243. math 12

    In his best year, Mickey Mantles batting average was o.365. In that year, what was the probability that he would get exactly 5 hits in 15 times at bat? Compare the results from the normal approximation with the results from a calculation using a binomial

    asked by kitkat
  244. Reiny

    Reiny I think I have found out the rectangle problem. Could you check and see if Ive got it correct?

    asked by Sydney
  245. math

    A plane travels at a rate of 425 miles per hour. Write an expression to show the distance it travels, if t reprents hours.

    asked by Nick
  246. physics

    The boats have a mass of 30 kg. The stopping splash lasted about 1.5 s. What acceleration is required to stop the flume?

    asked by jim
  247. math

    Can someone please take a look at these results and make sure they're correct? Thank you! 5. The Leaning Tower of Pisa leans toward the south at an angle of 5.5 degrees. One day near noon its shadow was measured to be 84.02m long and the angle of elevation

    asked by PLEASE CHECK MY ANSWERS
  248. ALGEBRA

    x + 7 + 3(4 + 5) = (x * 12) + 12 I came to up with the answer of 35 but that answer isn't sitting well with me not sure where I went wrong can anyone help?!!!

    asked by So Lost
  249. math

    how do you change a linear equation to make the graph steeper?

    asked by maria
  250. maths

    THE AREA OF 4 WALLS OF A HALL IS 3.20MSq the length and breabth of hall is 12.5m and 7.5m respectively.find the height of hall.

    asked by manisha
  251. Physics

    Spin and Barf Ride Rotor diameter is 4.0 m. Minimum period of rotation is 1.7 s. The ride lasts 110 s. 1. What is the tangential velocity? 2. What is the centripetal acceleration is m/s2 and g’s?

    asked by John
  252. math

    how to isolate a variable with a component. 60+80x1 over 2 to the exponent of "T" over 30+20

    asked by jordan
  253. english

    Intelligence of the turkey, write the following in possessive form

    asked by alexander
  254. 8th grade science

    For my quiz some of these questions confuse me. Your genome is over 99% identical to every other human on earth. True False 3 points Save All living things on earth share certain identical sequences of bases on their genome. True False and... Question 8 3

    asked by Lina
  255. physics

    A crank .25m long turns a shaft with a diameter of 3cm around which part of a rope is wound. One end of the rope hangs free and supports a weight of 4200nt. (a) What torque does the weight exert on the shaft? (b) WHat torque must be exerted on the crank to

    asked by bird
  256. physics

    The filament in an incandescent light bulb is made from tungsten. The light bulb is plugged into a 240 V outlet and draws a current of 1.16 A. If the radius of the tungsten wire is 0.0052 mm, how long must the wire be?

    asked by Anonymous
  257. math

    1/3 of 18

    asked by xavier
  258. human services professionals

    what are the most important issues for a human service agency to address as professionals in finance management

    asked by Anonymous
  259. mat 116

    a roof rises 1.9 feet vertically and 7 feet horizontally. what is the grade of the roof?

    asked by Anonymous
  260. Calc BC

    A shoe company will make a new type of running shoe. The fixed cost for the production will be $54,000. The marginal cost will be $25 per pair of shoes. The shoes will sell for $115 for each pair. a) Write the cost function b) Write the revenue function c)

    asked by Tony
  261. Math

    Explain which numbers are the divisor dividend and quotient in the following problem 48 divided 6 = 8 ?

    asked by Anonymous
  262. math

    y=2x-5 shifted down one

    asked by maria
  263. physic

    how is the time for which work a machine and it does a work? t=? A=9.3*10^4J P=1.3*10^4W

    asked by gdbtv
  264. science

    what unknow liquid with a density of 10g/mi and volume of 10 mi what is the object mass

    asked by Joan
  265. Science

    What is the function of guard cells?

    asked by Vanessa
  266. Algebra 1

    f(x)=x^2+3 Solve for f(2)and f(-5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand.

    asked by Esther
  267. math

    y=2x-5 a third as steep

    asked by monique
  268. Math

    Explain which numbers are the divisor dividend and quotient in the following problem 48 divided 6 = 8 ?

    asked by Anonymous
  269. math

    how to isolate a variable with a component. 60+80x1 over 2 to the exponent of "T" over 30+20 solve for T

    asked by jordan
  270. chemistry

    write three physical change and three chemical change and their similarity and give an examples

    asked by Mohamed shiko
  271. Algebra 1

    f(x)=x^2+3 Solve for f(2)and f(-5) I need help, can someone please help me by explaining step by step how to solve this problem, I am most grateful to you. Thank you before hand.

    asked by Esther
  272. math

    need help 5/4x1/8x=5/8+x

    asked by sally
  273. physics

    A 40 kg rock is accelerating down a hill at 3 m/s2. What is the net force exerted on the rock

    asked by Anonymous
  274. math

    If your neighbor’s house was 2/8 smaller than your house, what would the volume be if your volume had dimensions of 13x26x130 sq ft

    asked by kenyetta
  275. Chemistry

    How much energy, in calories, will be required to evaporate 125.0 mL of ethanol at its boiling point? Given: Density 0.818 g/mL Boiling Point 78.5 C Heat of Vaporization 210 cal/g Any help is appreciated!

    asked by Brooke
  276. math

    how many pints does 9 3/4 qt equal

    asked by yhg
  277. chem

    How many grams of glucose should we dissolve in one liter of water to get one molar solution (1M). This is the exact question given to me by my cell bio teacher. anything will help. MW of glucose is 180 grams.

    asked by nicole
  278. algebra

    11T over 28 - T over 4=1

    asked by kate
  279. history

    what PA town was the first to be lit by electricity in 1881

    asked by aaliyah
  280. Calc BC

    A shoe company will make a new type of running shoe. The fixed cost for the production will be $54,000. The marginal cost will be $25 per pair of shoes. The shoes will sell for $115 for each pair. a) Write the cost function b) Write the revenue function c)

    asked by Sam
  281. algebra

    Solve for the unknown:8/26=m/13 Complete the statement, using the symbol < or >. 12/19 ___ 0.625 ---------------- 8/ 2= 4, 26/2=13= 4/13 right?

    asked by Mio
  282. Math

    Finance: if given the equation: y=12000(1.07)^x a)Estimate the time it will take to double using the rule of 72 b)determine the time it takes for the investment to double useing the fuction

    asked by Dane
  283. biology/chem

    How many grams of glucose should we dissolve in one liter of water to get a 0.9% solution?

    asked by nicole
  284. biology/chem

    How many grams of glucose (MW = 180 g) should we dissolve in one liter of water to get 1 molar solution?

    asked by nicole
  285. math

    1 1/3 + 2 2/5

    asked by alason
  286. Math

    If you are given a problem that has measurements in yards and asks you to find surface area, what would the units be in your answer?

    asked by Sierra
  287. math!!!

    The degree of g(x) = 2x^2 + x - 1 a. 3 b. 2 c. 1 d. -1

    asked by Alicia
  288. social studies

    What are three things that we import into our country and three things that we export?

    asked by steve
  289. criminal procedure

    Should members of the news media have greater access than the general public to court proceedings and court records? What about greater access to prisons to interview prisoners? What about greater access to police investigative files?

    asked by justin
  290. literature

    if you consider the call of the wild to be an allegory which one of the following statements would be true

    asked by mary
  291. 8th grade Science

    How do I show work for Si + Cl ?? The answer is SiCl with a little 4 down below the Cl. but I don't know how to show the work.

    asked by Susan
  292. criminal procedure

    8. A journalist is being compelled to reveal a confidential source of information, but the source would be useful to the government in a criminal investigation, or helpful to a criminal defendant at trial. What constitutional issues are involved? Should

    asked by justin
  293. ant101

    As a cultural anthropologist what might you propose to research and would it be an Ethnology or Ethnography? What methods would you use to gather your data? What potential issues may you face while conducting your fieldwork and how would you deal with

    asked by jacob
  294. Madison school

    Luis earned 78 dollars last week earned 85 estimate how much hi earned over the last 2weeks

    asked by Fredy
  295. Math

    negative three and a half is amember of which subset of real numbers?

    asked by anonymoue
  296. math 1-2

    how do you change a linear equation to shift it up or down

    asked by monique
  297. Math

    A shoe company will make a new type of running shoe. The fixed cost for the production will be $54,000. The marginal cost will be $25 per pair of shoes. The shoes will sell for $115 for each pair. a) Write the cost function b) Write the revenue function c)

    asked by kenny
  298. Science

    what is the function of guard cells

    asked by Vanessa
  299. computer

    criteria used by organizations to choose among prgramming languages

    asked by sara
  300. Literature

    I have to do an essay on the poem "The mirror"- the essay must include what literary Techniques are used to characterize the mirror, the lady and the relationship between them -Can i gat help please

    asked by Sally
  301. Algebra 1

    Can someone help me on this problem ?? -0.2x

    asked by Tracy
  302. hum

    Explain the basis of judgement you believe should be used for addressing the moral questions oe delimmas surroundingclimate change

    asked by peter
  303. Math

    If sarah ate 1 and 1/12 of 2 birthday cakes how many slices were not eaten?

    asked by Anita fields
  304. Social Studies

    for class, my teacher is making us do a booklet of key terms that we need to know. We have to draw pictures for each key term. I need some ideas on what to draw for Articles of Confederation and Land Ordinance of 1785. please help!

    asked by katie
  305. alg. 2

    solve by using a system of equations. in one city, cabs are allowed to charge $2.25 plus $.15 a mile. in another city, cabs charge $1.50 plus $.18 a mile. after how many miles would the fares in both cities be the same?

    asked by exam tomorrow! help
  306. To Desmond

    Please use Post a New Question -- if you piggy-back a question on another student's question, it's unlikely to be answered. Please repost your question.

    asked by Writeacher
  307. algebra 2

    what are the roots of the equation v^2+8v+6=0?

    asked by kayla
  308. Algebra 1

    Can someone help me on this problem ?? -0.2x

    asked by Tracy
  309. PHYSICS

    WHAT IS MAGNITUDE OF NORMAL FORCE IN FIGURE WITH V=+3M/S +10n INSIDE BOX IS 5KG

    asked by SANDY
  310. PHYSICS

    WHAT IS MAGNITUDE OF NORMAL FORCE IN FIGURE WITH V=+3M/S +10n INSIDE BOX IS 5KG

    asked by SANDY
  311. physics

    What is the height of 3.0 meter ladder leans against a wall 37 degree.

    asked by Anonymous
  312. College

    Calculate the mas of Hydrogen Gas particle from 2041 m/s in atomic mass units (amu).

    asked by yolanda
  313. economics 212

    how Has the federal reserve been effective? Why? or Why Not?

    asked by Anita fields
  314. economics 212

    How will the federal reserve control the Quantity of Money Supply and why?

    asked by Anita fields
  315. Chemistry

    What is the density(g/L) of a gas mixture that contains 27.0% Fe and 73.0% He by volume at 714 mm Hg and 27.5 degrees Centigrade?

    asked by Anonymous
  316. mathematics

    expand and simplify (x-4)^3

    asked by Cherry
  317. math

    (3xy-10)-(xy+5)

    asked by cheyenne
  318. history

    But when was the spiral notebook made?

    asked by liz
  319. math

    suppose the growth of a population in millions is modeled by 3.2*(1.72)^t. what is the size of the population initially?

    asked by mee
  320. Grammar

    complete each sentaceby filling in a reflexive or intensive pronoun. In the blank write R if the pronoun you rote is reflective. Write I if it is intensive. I,1. We built the whole model (ourselves). R,2. I knew the dog had fleas because it was always

    asked by Tiffany Jade
  321. math

    2x+8>24

    asked by saleh
  322. math

    factor y^2-81 (y+9)(y-9) have i factored it correct?

    asked by brad
  323. linear algebra

    How do I solve by substitution? X^2 + Y^2 = 1 -X + ã 3Y = 0 The answer is X= ã 3/2 Y= 1/2 S={ (ã 3/2, 1/2), (-ã 3/2, -1/2)} I don't know how to go about solving it.

    asked by beatriz
  324. chemistry

    what is the temperature in degrees celsius that your silver becomes a gas?

    asked by josh om
  325. histoy

    What are some interesting facts on the spiral notebook?

    asked by liz
  326. math

    Decide weather the pair of lines are paralle, perpendicular, or neither. 5x+4y=3 4x+5y=1 I am lost here

    asked by Sally
  327. physics

    Find the coefficient of kinetic friction between a 4.3- block and the horizontal surface on which it rests if an 80 spring must be stretched by 2.7 to pull the block with constant speed. Assume the spring pulls in a direction 13 above the horizontal.

    asked by emily
  328. tv/media analysis

    I need a good topic for an advertisement parody. heres the assignment: Create your own parody of a national print advertisement, one that will not only get the audience's attention but will subvert the original purpose of the ad. Most good ad parodies are

    asked by brandon duncan
  329. Calculus

    (x+2)^3(X-1)^4(x+3)^2 Write this solution in interval notation. Can someone explain how to do the method where you start with a + on the number line, and depending on the odd or even value of the next exponent, you switch to and -/+ ?

    asked by Sam
  330. math

    Given R(-6,19) and S(14,-6), what are the coordinates of the point on segment RS two-fifths of the distance from R and S?

    asked by Anonymous