Questions Asked on
December 6, 2014

  1. Science

    A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 4.6 m waterfall. The spy’s speed is 16 m/s and the officials’

    asked by sis
  2. Chemistry

    Gaseous methane (CH4) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2o) . What is the theoretical yield of carbon dioxide formed from the reaction of 0.16g of methane and 0.83g of oxygen gas?

    asked by Amy
  3. Geometry

    I have four questions: 1. The area of trapezoid ABCD is 60. One base is 4 units longer than the other, and the height of the trapezoid is 5. Find the length of the median of the trapezoid. 2. In trapezoid ABCD, line BC is parallel to line AD, angle ABD =

    asked by jared
  4. Language Arts Help!

    Read the folowing sentences from the novel. From which point of view are the sentences written? It was past dawn when he woke, his feeling of contentment stll in him. He was no longer his own problem by Merchent Lyte's. Tomorrow at this time what would he

    asked by Callie
  5. PHYSICS : I NEED HELP PLEASE

    a 33 kg lawnmower is pulled by a 100N force on flat ground. The handle makes a 10 degree angle with the ground. The coefficient of friction between grass and lawnmower wheels is 0.10. Calculate normal force, force of friction and acceleration

    asked by Anonymous
  6. chemistry

    The Arrhenius theory explains why ammonia, NH3, is basic, but the Bronsted-Lowry theory does not. True or False

    asked by Meghan
  7. chemistry

    The number of protons in an anion must always be ________ the number of electrons. the same as We can’t tell. less than greater than

    asked by Rachel
  8. chemistry

    Naturally occurring reactions of oxygen (O2) are always desirable. True or False

    asked by Taylor
  9. college gen chem

    An igneous rock contains a Pb−206/U−238 mass ratio of 0.367. How old is the rock? (U−238 decays into Pb−206 with a half-life of 4.50×109 yr.) I'm not sure how to get started on this :/

    asked by sam
  10. chemistry PLEASE HELP!!!

    Acetylene gas (C2H2) is used in welding. During one job, a welder burns 48.0 g of acetylene. Using a balanced equation for the complete combustion of acetylene, calculate the following: What is the balanced equation. The mass of oxygen used? The mass of

    asked by MINNIE
  11. Algebra

    Dan works at a hardware store. The employee discount is determined by the formula d = 0.15 (c − 10 ). Use the inverse of this function to find the cost of the item for which Dan received an $18.00 discount. a. Find the inverse function that models cost

    asked by Anonymous
  12. trig

    Question #1 Suppose that θ is an angle in standard position whose terminal side intersects the unit circle at −−2029,2129 Find the exact values of cscθ cotθ sinθ .

    asked by Kylee Smith
  13. chemistry

    Acettlene gas (C2H2) is used in welding. During one job, a welder burns 48.0 g of acetylene. Using a balanced equation for the complete combustion of acetylene, calculate the following: Balanced Equation a) the mass of oxygen used b) the mass if carbon

    asked by Rose
  14. 7th grade math

    Can you check these? 1. Olivia typed 2 pages in 15 minutes. Write an equation relating the number of minutes m to the number of pages typed. How long will it take her to type 10 pages at this rate? Ans: 15/2 = 7.5 = 7.5 * 10 = 75 minutes 2. If the ratio of

    asked by Alexis
  15. chemistry

    All polymers made from polyethylene will have the same density.

    asked by Anonymous
  16. math

    A medical researcher wanted to determine the effect of pH (a measure of alkalinity or acidity, with pure water having a pH of 7) on the growth of a bacteria culture. The table below gives the measurements of different cultures, in thousands of bacteria,

    asked by Barbara
  17. Math help

    To find the height of a tree, Wyatt places a mirror so that he can see the top of the tree in the mirror. The mirror is 3 ft from him and 7.5 ft from the tree. If Wyatt is 5.5 ft tall, how tall is the tree? How would I solve this?

    asked by Anonymous
  18. chemistry

    At 35°C, Kc = 1.6 X 10-5 M for the reaction 2NOCI(g) 2NO(g) + Cl2 (g)' Calculate the concentrations of all species at equilibrium for each of the following systems. Note any simplifying assumptions made in the calculations. 3.0 mol NO(g) and 1.0 mol

    asked by airman
  19. Chemistry

    What is the freezing point of a solution that contains 21.1g of urea, CO(NH2)2, in 305mL water, H2O? Assume a density of water of 1.00 g/mL.

    asked by Jenn
  20. Physics: need detailed answer

    a 33 kg lawnmower is pulled by a 100N force on flat ground. The handle makes a 10 degree angle with the ground. The coefficient of friction between grass and lawnmower wheels is 0.10. Calculate normal force, force of friction and acceleration

    asked by Anonymous
  21. chemistry

    Most alcohols are very safe to ingest. True or False

    asked by Sarah
  22. Chemistry

    Consider the following data. DeltaHf (Na2O (s))=-414kJ/mol Delta H sublimation(Na)=109 kJ/mol I.E. (Na)=495 kJ/mol Bond Energy (O2) = 495 kJ/mol E.A. (O) = -141 kJ/mol E.A. (O -) = 878 kJ/mol Use this information to calculate the lattice energy of Na2O

    asked by Anon
  23. chemistry

    A 5.00 liter vessel contains carbon monoxide, carbon dioxide, hydrogen and water vapor at equilibrium at 980C. The equilibrium partial pressures are 300. torr, 300. torr, 90. torr, and 150 torr respectively. Carbon monoxide is then pumped into the system

    asked by Anonymous
  24. AP Chemistry

    What is the Van't Hoff Factor of MgSO4*7H2O? We're doing a colligative properties lab at my school where we dissolve various amounts of MgSO4 in 100 grams of water. What value/range of values should I expect the Van't Hoff Factor to be?

    asked by David
  25. Physics

    Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 400 N, is applied at an angle α = 32° to the forward dashed line. The second force, F2 = 536 N, is applied at an angle β = 10° to the forward dashed

    asked by Anonymous
  26. physics

    A ship maneuvers to within 2.47×103 m of an island’s 1.76 × 103 m high mountain peak and fires a projectile at an enemy ship 6.13 × 102 m on the other side of the peak, as illustrated. The ship shoots the projectile with an initial velocity of

    asked by sis
  27. Physics

    The force required to stretch a spring varies directly with the amount the spring is stretched. A force of 29 pounds is needed to stretch a spring 39 inches. How much force is required to stretch the spring 27 inches? Answer in units of lb

    asked by Dave
  28. algebra

    use the elimination method to solve the system of equations. Choose the correct ordered pair. 2x+4y=16 2x-4y=0 A.(4,2) B.(2,4) C.(2,-4) D.(4,-2)

    asked by regan
  29. Physics Electric

    The electric potential in a region is given by V(x,y,z) = -10.0x^2 + 20.0xyz + 6.0y^3 a) Find the electric field that produces this potential? b) Find the amount of charge contained within a cubic region in space 20 cm on a side and centered at the point

    asked by LS
  30. chemistry

    A metal oxide will form an acid when it is dissolved in water. T/F

    asked by Rachel
  31. Math help

    A painter needs to know the height of a building to estimate the amount of paint needed for the front side. When the building cast an 18 ft shadow, the 6 ft tall painter casts a 3 ft long shadow. How tall is the building? Would it be 36 ft?

    asked by Anonymous
  32. chemistry

    The destructive power generated by an explosive mixture results from the rapid expansion of gaseous products. True or False

    asked by Tammie
  33. Chemistry

    As the number of carbons increases, the boiling point of alkanes decrease True or False

    asked by Sarah
  34. Math help

    each time old faithful in Yellowstone national park erupts, rangers can estimate the height of the geyser by comparing it to the height of a tree. first the Rangers locate a tree of the same height . the shadow of the tree is 93 feet at the same time that

    asked by Anonymous
  35. physics

    Assume all temperatures to be exact, and neglect significant figures for small changes in dimension. A diver releases an air bubble of volume 4.0cm3cm^3 from a depth of 16mm below the surface of a lake, where the temperature is 8.0∘C. What is the volume

    asked by Rich
  36. English Essay- The Great Gatsby

    I am writing a literary essay about The Great Gatsby. My claim is "money cannot buy you happiness" I am working on the Literary device paragraph right now but I can't seem to find a motif/symbol in the story that can prove my claim. Help please!

    asked by Bella
  37. chemistry

    Sodium chloride has properties that are very similar to those of sodium. True or False

    asked by Jessica
  38. Chemistry

    If ammonia is manufactured at 356 K, is the reaction spontaneous, given that the enthalpy and entropy change for the reaction are -93 kJ/mol and -198 J/mol K, respectively? A. Yes, the ΔG is -92 kJ/mol. B. No, the ΔG is 92 kJ/mol. C. No, the ΔG is 22.5

    asked by Morgan
  39. math

    How do I write an equivalent equation that does not contain fractions for 1/2 x -5 = 1/3

    asked by Logan
  40. math

    Flying with the wind, a plane traveled 570 miles in 3 hours. Flying against the wind, the plane traveled the same distance in 5 hours. Find the rate of the plane in calm air and the rate of the wind. Rate of plane ______mph Rate of wind ________mph

    asked by Oshyanna
  41. Physics

    Two artifacts in a museum display are hung from vertical walls by very light wires. Wire T1 is horizontal from the left wall and goes to a center weight of 177N and wire T2 is at a 53 degree angle with the right wall heading from right to left downwards

    asked by Brock
  42. algebra

    Flying with the wind, a plane traveled 570 miles in 3 hours. Flying against the wind, the plane traveled the same distance in 5 hours. Find the rate of the plane in calm air and the rate of the wind. Rate of plane ______mph Rate of wind ________mph

    asked by Barb
  43. math

    Estimate the value of this expression by rounding each number to the nearest unit. (1.63)(9.95)(2.46) Plesse help..

    asked by daisy
  44. P.e help!

    Biodegradable waste threatens the health of humans? True False Is the answer True?

    asked by Callie
  45. Physics

    A student uses a 2.00-m-long steel string with a diameter of 0.90 mm for a standing wave experiment. The tension on the string is tweaked so that the second harmonic of this string vibrates at 22.0Hz . (ρsteel=7.8⋅103 kg/m3) If you wanted to increase

    asked by kassy
  46. Physics

    A dart gun is aimed horizontally at the center of a large target 150 m away. The initial velocity of the dart is 450 m/s. (Ignore air resistance) a) Where does the dart strike the target (relative to the center of the target)? b) To hit the center of the

    asked by Jacob
  47. general question

    Prospective employers can legally select employees based on the applicant's? a.age b.education c.disabilities d.gender I am thinking B is the correct choice?

    asked by kim
  48. chemistry

    When the following equation is balanced, what is the coefficient for Ta? H2 + Ta2O3 → Ta + H2O

    asked by Taylor
  49. science

    a 25 kg ball is trown into that air.when thrown it is going 10 m/s .calculate how high it travel

    asked by anshuman
  50. GEOMETRY - URGENT! HELP!

    Let ABCD be a parallelogram. Let M be the midpoint of AB and N be the midpoint of AD. Diagonal BD intersects CM and CN at P and Q respectively find PC/BD.

    asked by kayla1
  51. Algebra Help please?

    what is the value in "x" in 16^2 = x

    asked by Jeff
  52. chemistry

    When an acid and a base react in a neutralization reaction, the products will be acidic. T/F

    asked by Rachel
  53. AP Chemistry

    What percent (by mass) of granulated sugar is fructose, and what percent of it is sucrose? Background: We are doing a colligative properties lab in my class where we are to add 20 grams, 40 grams, 60 grams, and 80 grams of sugar to 100 grams of water, and

    asked by David
  54. physics

    A 265g mass attached to a horizontal spring oscillates at a frequency of 1.00Hz . At t =0s, the mass is at x= 4.20cm and has vx = − 1*.0cm/s. Determine the position at t= 3.60s. So I already found that... The period is 1.0000 s The angular frequency is

    asked by Ciara
  55. Physics

    A cylinder 1.00 m tall with inside diameter 0.120 m is used to hold propane gas (molar mass 44.1 g/mol). It is initially filled with gas until the gauge pressure is 1.30 x 106 Pa and the temperature is 22.0oC. The temperature of the gas remains constant as

    asked by Lan
  56. Pre calculus

    at an archaeological site remains of plant material will found to have 28.9% of the amount of carbon-14 in a living sample. What was the approximate age of the plant material?

    asked by crisly
  57. Chemistry

    What precipitates form when CuSO4 and H3PO4 added together?

    asked by Manali
  58. Math with business apps

    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 payments of $5,500?

    asked by Jenna
  59. science

    A 170g mass attached to a horizontal spring oscillates at a frequency of 3.10Hz . At t =0s, the mass is at x= 6.60cm and has vx = − 15.0cm/s. Determine the position at t= 5.00s. The period is 0.32258 s The angular frequency is 19.478 rad/s The amplitude

    asked by Anonymous
  60. algebra

    A medical researcher wanted to determine the effect of pH (a measure of alkalinity or acidity, with pure water having a pH of 7) on the growth of a bacteria culture. The table below gives the measurements of different cultures, in thousands of bacteria,

    asked by Barb
  61. calculus

    definite integral of (e^(8x))cosh(8x)dx from 0 to 1/16 -I substitued the definition of cosh in, i.e. (e^(8x) + e^(-8x)/2 but i cant get the "e's" to combine and i know the answer is e/32

    asked by gregory
  62. Marketing

    The United States consumes one-fifth of all the world's coffee, making it the largest consumer in the world. But few Americans realize that agriculture workers in the coffee industry often toil in what can be described as "sweatshops in the fields." Many

    asked by Jenifer
  63. chemistry

    One of the reactions involved in the smelting of copper sulfide ores involves copper(I) oxide and copper (I) sulfide: 2Cu2O(solid) + Cu2S(solid) ---> 6Cu(solid) + SO2(gas) Assuming that 35.00 g of copper (I) oxide is heated with 25.00 g of copper (I)

    asked by Anonymous
  64. math

    A medical researcher wanted to determine the effect of pH (a measure of alkalinity or acidity, with pure water having a pH of 7) on the growth of a bacteria culture. The table below gives the measurements of different cultures, in thousands of bacteria,

    asked by quintyn
  65. Chemistry

    Temperature is a measure of the amount of heat an object contains. T/F

    asked by Rachel
  66. Pysics

    A 0.480 kg, 37.5 cm long metal rod is sliding down two metal rails that are inclined 42 degrees to the horizontal. The rails are connected at the bottom so that the metal rod and rails form a loop that has a resistance of 52 ohm. There is a 2.0 T vertical

    asked by LS
  67. physics

    steven throws a 3.5kg ball at a speed of 25m/s. what is the momentum of the ball? Please show work

    asked by john
  68. Physics

    1) Determine the force of gravitational attraction between the earth(m=5.98*10^24kg) and a 70-kg physics student if the student is in an airplane at 4.950 meters above the earth's surface.

    asked by Charlie
  69. chemistry

    The mass of an atom is distributed evenly throughout the atom.

    asked by Meghan
  70. Physics

    1) Planet Zero has a mass of 5.0*10^23 kg and a radius of 2.0*10^6 meters. What is the acceleration of gravity on planet zero? 2)Phobos, a satellite of Mars, has a radius of 11km and a mass of 10^16 kg. Its a bit lumpy, but let's assume its spherical to

    asked by Charlie
  71. chemistry

    Calculate the number of moles in 74.1 g Pb(C2H3O2)2.

    asked by Meghan
  72. Chemistry

    Excited state electrons lose energy when they move to the ground state.

    asked by Sarah
  73. Physics

    A vertical cylindrical tank contains 1.80 mol of an ideal gas under a pressure of 1.00 atm at 20.0oC. The round part of the tank has a radius of 10.0 cm, and the gas is supporting a piston that can move up and down in the cylinder without friction. (a)

    asked by Lan
  74. algebra

    The fuel efficiency for a certain midsize car is given by E(v)= -0.016v^2+1.408v+3.8, where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. What speed will yield the maximum fuel efficiency? _______mph. What is the

    asked by Barb
  75. Chemistry

    According to his prelaboratory theoretical yield calculations, a student's experiment should have produced 1.41 g of magnesium oxide. When he weighed his product after reaction, only 1.33 g of magnesium oxide was present. What is the student's percent

    asked by Teresa
  76. math

    Admission tickets to the local Nutcracker production cost $2.50 for children and $3.50 for adults. The price for 8 tickets was $23.00. How many adult and children tickets were purchased?

    asked by Kira
  77. Math

    What is the product in scientific notation? (1.4x10^3)(2.5x10^-6) Please answer and explain how you got the answer.

    asked by Sam
  78. AP CALC. AB

    2. A cubic function is a polynomial of degree 3 and has the form y=mx^3+bx^2+cx+d; m≠0. What is the maximum quantity of local extreme values a given cubic function can have? a. 2 b. 1 c. 0 d. 3 Is it (a)?? 2. Let f(x)=xln(x). The minimum value attained

    asked by Darcy
  79. math

    Lindsay's estimated tax payment for the first quarter. She is self-employed and she expects to earn $78,080 this year. Her estimated income tax rate is 24%. For self-employed persons, social security tax is 12.4% of wages up to $106,800, and Medicare tax

    asked by reva
  80. chemisty

    convert 32.9g of neon into moles

    asked by Iestyn
  81. chemistry

    A sample of oxygen gas occupies a volume of 3.84 L at 269. K. What volume will the sample occupy at 486. K?

    asked by Jessica
  82. chemistry

    6. Ligands approaching in a square planar pattern cause some orbitals to be raised in energy. How many orbitals are on the highest energy level? a. A) 1 b. B) 2 c. C) 3 d. D) 4 e. E) 5

    asked by Anon
  83. calculus

    the length of a rectangular prism is increasing at a rate of 8 cm/s, its width is increasing at a rate of 3 cm/s, and its height is increasing at a rate of 5 cm/s. when the length is 20 cm, width is 10 cm, and height is 15 cm, how fast is the volume of the

    asked by Dani
  84. Organic Chemistry

    Label the following reaction components as weaker acid, conjugate base and the species that predominate at equilibrium (two may be present for this one) ethylamine + acetone (equilibrium arrows) ethylammonium + acetone enolate Please help!

    asked by Angel
  85. math

    Rodrigo claims his best jump was about 1 ft longer than Mel's best jump. Is he correct?

    asked by Jamie
  86. Math

    how can I use a scale of 1/2in.:15 ft to reproduce a scale drawing of a soccer field?

    asked by Amanda
  87. MATH

    x intercept of y=30x+20???

    asked by Anonymous
  88. Math

    What does the slope mean in a scenario

    asked by Anonymous
  89. Geometry

    Let ABCD be a parallelogram. Let M be the midpoint of AB and N be the midpoint of AD. Diagonal BD intersects CM and CN at P and Q respectively find PC/BD.

    asked by kayla1
  90. physics

    What is the magnetic force by infinite wire on on a loop in magnetic field ?

    asked by ramesh panwar
  91. Physics

    Two noises produce sound levels of 70 and 80 dB when acting separately. Find the sound level in dB when the sources act together.

    asked by Suzanne
  92. chemistry

    Conductivity experiments indicate that tetraamminedichloropalladium (IV) chloride is composed of 3 moles of ions per mole of compound. When silver nitrate solution is added to a solution of the palladium compound, 2 moles of silver chloride per mole of

    asked by Anon
  93. science

    type of element of elements of neon

    asked by edu
  94. 7th grade math

    Can you check my homework? (wasn't really sure about #4 and #6) 1. Tekell ate 10 pieces of candy in the same time that Mackensay ate 4 pieces. How many pieces will Tekell have eaten when Mackensay eats 6? Ans: 10/x = 4/6 4x = 60 x = 15 pieces of candy 2.

    asked by Alexis
  95. MATH

    10x+5y=500 Solve

    asked by Anonymous
  96. Math

    10x+5y=500 What is the slope? Do I have to change it to slope intercept form first? Or is there a way to find slope with keeping that equation

    asked by Anonymous
  97. chemistry

    How many grams of CO(g) are in 0.944 L of the gas at 2.26 atm and 257. K?

    asked by Anonymous
  98. chemistry

    How would I calculate the number of moles of AgNO3? I have .0025L but don't I need the Molarity? I have no idea how to find that.

    asked by xx
  99. Literature

    I don't understand what complication means in terms of plot structure. I mean..how does an event complicates a conflict? Please give examples. It would be ideal if the example is related to Hamlet..

    asked by Anonymous
  100. Chemistry

    A sample of oxygen gas occupies a volume of 3.84 L at 269. K. What volume will the sample occupy at 486. K?

    asked by Paula
  101. Sociology

    Are Ethnic Groups the same as Societies?

    asked by James
  102. chemistry

    What mass of solid sodium acetate, NaCH3COO, must be added to 2.50 L of an aqueous solution of 0.55 M acetic acid, CH3COOH, in order to make a buffer solution whose pH is 4.50 ? Assume that adding the solid does not change the volume of the solution. Use

    asked by airman
  103. maths

    shelly the snail crawls for 18cm and then a further 22cm. How far has shelly crawled in total

    asked by Hala
  104. MATH

    Is X always the independent variable

    asked by Anonymous
  105. Involving global exchange

    How a world with less interdependence would affect my life.

    asked by Mary
  106. Algebra 1

    Which equation is the equation of a line that passes through (-10,3) and is perpendicular to y=5x-7? 1- y=5x+53 2- y=-1/5x -7 3- y= -1/5x +1 4- y= 1/5x +5

    asked by Steve
  107. Hrm/531

    principles and strategies for limousine service.

    asked by A
  108. Algebra

    r=radius 235.619=(15.64)(r)^2+(4.16)(r)^2 How would I solve this problem?

    asked by Guillermo
  109. stat

    2. You just bought a used truck for $10,000 and it loses value at a rate of 10% per year. What is it worth two years later?

    asked by jeudi
  110. Geography

    How do you view major fashion retailers(like Primark)and global brands (like Coca Cola)? I think huge,global and successful of being so popular and people relying on them.

    asked by Damian Donarski
  111. BUS 330

    What three component parts are essential to a value proposition

    asked by wayne
  112. Biology

    If 320 F2 offspring resulted from this F1 cross, how many would be green?

    asked by Ann
  113. tectonic plates

    Which is the influence of nazca, cocos and pacific in galapagos relief

    asked by Irene Costales
  114. math

    3 cups a sugar makes 36 cookies how many cookies would 2/3 cup sugar make?

    asked by lauren
  115. Science

    Baseball of 0.15 kg is thrown upward at an initial velocity of 35 m/s . tow seconds later a 20 g bullet is fired at 250 m/s into the rising baseball . How high will the combined bullet and baseball rise.

    asked by Ssn
  116. statistics

    1)According to past record the average daily sales for a sporting goods store was $3456.00. After a new advertising campaign, the manager wants to see if the average daily sales have changed. A random sample of 20 days gives a sample mean of 3655 with a

    asked by Bobby
  117. maths

    i/3 rd of diagonal of square is 3 route 2. find the side of squre.

    asked by srikanth
  118. English

    1. There is no one but knows it. 2. There is no one that does not know it. ------------ Are both the same? Is 'but' a relative pronoun in Sentence 1?

    asked by rfvv
  119. books

    WRITING A BLOG ENTRY ABOUT CHARACTERS IN MUCH ADO NOTHING POINT OF VIEW OF EITHER OR BENE!@#$%^& OF AFTER THE PARTY

    asked by N rethish
  120. English

    What can I write for a thesis statement for an essay about how the settings influence a story's characters? I don't know how to take a stand on this type of essay.

    asked by Anonymous
  121. chemistry

    Why vaporization is a cooling process ?

    asked by Haseeb
  122. chemistry

    Can somebody please answer my question.

    asked by Teresa
  123. math

    A bag contains three green marbles, four blue marbles and two orange marbles. If a marble is picked at random than the probability that it is not and orange marble is

    asked by chow
  124. physics

    what impulse is needed to slow a 45kg object from 15m/s to 12m/s?

    asked by john
  125. MATH

    10x+5y=500 What is the independent variable

    asked by Anonymous
  126. physical

    Baseball of 0.15 kg is thrown upward at an initial velocity of 35 m/s. tow second later a 20 g bullet is fired at 250 m/s into the rising baseball . how high will the combined bullet and baseball rise.

    asked by mohamed
  127. rela

    what do encyclopedia consist of?? i cant use any type of encyclopedia for my research so what would those be??

    asked by Reina Bonilla
  128. preventing injury

    why is it important to get a medical check up prior to beginning a fitness program?

    asked by cc
  129. Physics

    bobpursley, is answering questions on this all you do?

    asked by Dave
  130. Nutrition

    Calculate the average intake per hour for carbohydrate, protein, fat, and sodium. 2hours intake:340 kcal, 42 g carbohydrate, 15 g fat, 15 g protein, 250 mg Na

    asked by Anonymous
  131. rela

    “After the Spanish instituted their treasure fleet” how can i reword this??

    asked by Reina Bonilla
  132. rela

    does it still affect Latin America life, or is visible today?? my research was on Jean Fleury

    asked by Reina Bonilla
  133. chemistry

    What mass of carbon dioxide will be produced when 0.250 mol of propane(C3H8) reacts with 25.0 g of oxygen? Write a balanced equation first.

    asked by Micky
  134. math

    1+2+4+6-100=

    asked by munir
  135. math

    Rodrigo and Mel are completing in a track meet. The table at the right shows the results of their events. Rodrigo claims his best jump was about 1 ft longer than Mel's best jump. Is he correct?

    asked by Jamie
  136. Math

    Find an equation of the parabola that has the indicated vertex and whose graph passes through the given point Vertex:2,-1 Point:4,-3

    asked by Marie
  137. algebra

    9.6*10 to the 7th power divided by 1.5 *10 negetive squared. i was working this problem out and i was thinking it would be 6.4*10 by the 5th power.

    asked by arlynne
  138. Math

    How do you make a process table out of an equation

    asked by Anonymous
  139. chemistry

    what else could you use the Volhard method in Chemistry for? like is it used in a certain context?

    asked by xx
  140. m

    For a preschool plan can you have a science activity for each day?

    asked by Anonymous
  141. programming urgent

    so i have two arrays . I need to figure outh how to multiply each value of the first array by each value in the second array. how doy ou do thtisT? thanks

    asked by rebecca
  142. english

    present participle like "having" how to use tis and meaning tothis word

    asked by srikanth
  143. chemistry

    the number of moles is 0.11 moles and the difference in the mass is 3.1 grams.....identify the gas

    asked by Srm
  144. Algebra

    Please help me to solve this equation. Here is the question: a+b=c implies acbc = ab. Use this to create three reductions involving integers only. (E.g. 1+2=3, so 36=2.)

    asked by lpcruz
  145. Math

    Scummydale Senior High School has 8 math teachers and 4 history teachers. Suppose that a committee of 8 of those teachers is formed to attend a local conference.

    asked by Anonymous
  146. Reading

    I don't understand the essay "Bodies in Motion and at Rest" by Thomas Lynch. What is the point of the essay? Correct me if I am wrong...is it discussing how our life adds up and that unlike the particulars, we do not have a definite answer to why? Does

    asked by Anonymous
  147. Chemistry

    'calculate the mass in amu of 2.879 1023 xenon atoms'

    asked by Teresa
  148. capacity problems

    80 buckets of water fill a pond each bucket holds 2litres how much water does the pond hold

    asked by paul
  149. biology

    explain the vascular system in the lilac flower.

    asked by MINNIE
  150. physics I

    A spherical reservoir that contains 4.55 105 kg of water when full. (h = 7.70 m.) The reservoir is vented to the atmosphere at the top. For a full reservoir, find the gauge pressure that the water has at the faucet in each house. Ignore the diameter of the

    asked by Astro
  151. writing

    there is no point getting married if you do not believe in god in with both argments disagree and agree

    asked by N rethish
  152. world history

    writing a speech by prentending maximilien robespirre to people in france

    asked by N rethish
  153. eng

    wat are sum qualities of the universe as in fate?

    asked by judie
  154. Math

    y=-2x+100 into standard form

    asked by Anonymous