Questions Asked on
November 20, 2013

  1. Social studies

    I need help on this one question on my homework. Would you please help me? How did the presidential plan for reconstruction differ form congresses plan? A congress believed it and not the president should have power over reconstruction. B the president

    asked by Katey
  2. Modern Chemistry

    Bromine has two naturally occurring isotopes. Bromine-79 has a mass of 78.918 amu and is 50.69% abundant. Using the atomic mass reported on the periodic table, determine the mass of bromine-81, the other isotope of bromine.

    asked by Anonymous
  3. Physics!! help pleasee

    A 10 kg object with a velocity 7.5i m/s explodes into two equal fragments. One flies off with a velocity 2.5i -2.5j m/s. What is the velocity of the other fragment in vector notation?

    asked by Shek
  4. Math

    There were 7 times as many marbles in Box A as in Box B. After Joyce transferred 294 marbles from Box A to Box B, both boxes had the same number of marbles. How man marbles were there in Box A at first.

    asked by J
  5. math

    Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 16% (add-on rate). If the

    asked by Anonymous
  6. Intro to trigonometry

    If sin(theta) < 0 and tan(theta) > 0 then: in degrees. Ok I need help with this I couldn't understand the lesson and want to know how to do problems like this. Please help me by showing me step by step! Thank u in advance.

    asked by Lisa
  7. physics

    A microwave draws 5.0 A when it is connected to a 120 V outlet. If electrical energy costs $0.090 per kW·h, what is the cost of running the microwave for exactly 6 h?

    asked by TT
  8. Chemistry

    calculate the minimum concentration of ag+ ion that must be added to (or built up in) a 0.140 m Na2CrO4 solution in order to initiate a precipitation of silver chromate. The ksp of ag2cro4 is 1.2 × 10^-12.

    asked by Alicia
  9. math(check answers please)

    Can you please help me with writing fraction as decimal because im clueless with it! ------------------------- write the fraction as a decimal.28/15 A. 1.6 B. 1.86 C. 2.86 D. 28.15 ------------------------- Write an equivalent expression for 4g+2 using

    asked by matt
  10. Math Expoents

    One microgram is equal to 1x10^-6 gram. If the mass of a substance is 8x10^9 micrograms, what is its mass in grams? a) 1.25x10^-15 b) 1.25x10^-3 c) 8x10^3 d) 8x10^15

    asked by andra
  11. waste water treatment

    ACTIVATED SLUDGE AND NUTRIENT REMOVAL =========================================== A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The influent flow (dwf) is 30,000 m3/day and

    asked by ham
  12. math(check answers please)

    please check my math answers again thanks. by the age of 27,justin had visited 25 out of the 50 states.what fraction of the states had justin visited?write the answer in simplest form. A.2/1 B.25/50 C.1/2(I PICKED THIS) D.1/3 Heather drove 10 miles in 22

    asked by matt
  13. Social Studies (History)

    If I created a character who is a Bosnian refugee what does "where did he/she come from? (Place and time). Mean?

    asked by Nicole
  14. Science

    Luis wanted to create a clay model of earth and the sun. To show how Earth rotates, Luis wants to use a toothpick to represent Earth's axis of rotation. Where should Luis place the toothpick? A. Horizontally through Earth in the direction Earth is

    asked by Anna
  15. chemistry

    First off, how do you eve find out if it would be colored or colorless? Will aqueous solutions of the following salts be colored or colorless? Explain. a. Titanium (II) chloride b. Beryllium chloride c. Tin (II) nitrate d. Iron (III) nitrate

    asked by Heather
  16. physics

    A concave mirror with a radius of curvature of 0.61 m is illuminated by a candle located on the symmetry axis 2.61 m from the mirror. Where is the image of the candle? Answer in units of m.

    asked by Erin
  17. into computers

    Your boss is considering a BYOD program for your company. He asks you if there are any negatives to such a program. What do you tell him? A. It limits the freedom of the user to access websites and applications. B. It introduces security and control

    asked by Ava
  18. Math

    1. Solve the proportion: z z+9 ---- = ---- 3 12 A. 4 b. 3 c. 2 d. 1 my answer is c ? 2. Solve the proportion: 16 = 8 --- --- 4d+2 3 A. 1^ 11 --- 12 b. 1^ 1 -- 3 c. 1 d. 2 My answer is D ? 3. A solution contains 2.2 liters of water. Convert this measurement

    asked by ciara
  19. physical

    Which of the following statements is true concerning physical space in physical education

    asked by Anonymous
  20. Warren

    To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 13.2 g, and its initial temperature is -11.9 °C. The water resulting from the melted ice reaches the temperature of your skin, 30.0 °C. How much

    asked by Kyla
  21. Finance

    Treasury bonds paying an 8% coupon rate with semiannual payments currently sell at par value. What coupon rate would they have to pay in order to sell at par if they paid their coupons annually?

    asked by Anonymous
  22. Physics

    A Jet plane traveling 1800 km/h (500 m/s) pulls out of a dive by moving in an arc of radius 6.00 km. What is the plane’s acceleration in g’s?

    asked by Angie
  23. south carolina history help me ASAP PLZZZZZ

    which state voted first against independence, but eventually voted for it? new york north carolina delaware south carolina

    asked by recon sniper
  24. Phsycis/Math (please help)

    Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. The inclined plane is inclined at an angle of 37 degrees. The hanging block has

    asked by Jared
  25. Statistics

    Most people are definitely dominant on one side of their body - either right or left. For some sports being able to use both sides is an advantage, such as batting in baseball or softball. In order to determine if there is a difference in strength between

    asked by Samantha
  26. Physics

    A plane flies due north (90° from east) with a velocity of 100 km/h for 3 hours. During this time, a steady wind blows southeast at 30 km/h at an angle of 315° from due east. After 3 hours, where will the plane’s position be relative to its starting

    asked by Ashley
  27. south carolina history help me ASAP PLZZZZZ

    which of the following was an important change made to south carolinas second constitution in 1778? the low country had many more representatives than the up country. the state leader would be a governor, not a president. the press was more limited in what

    asked by recon sniper
  28. Computers (Internet)

    Is this considered plagiarism? Original passage: A letter of thanks is a courteous acknowledgment of a gift or of something that was done for you. Another passage: A thank you note is a polite acknowledgment of a present or something nice someone did for

    asked by Tiffany
  29. math

    A support wire runs from the top of a tower to the ground. If the tower is 1200 feet tall and the wire is attached to the ground 500 feet away from the tower, how long is the support wire?

    asked by Marissa
  30. Statistics

    Battery manufacturers compete on the basis of the amount of time their products last in cameras and toys. A manufacturer of alkaline batteries has observed that it's batteries last for an average of 26 hours when used in a toy racing car. The amount of

    asked by Austin
  31. Physical Science

    3. Radioactive decay of nuclei often involves several decays before a stable nucleus is formed. This is called a decay chain. What stable isotope is formed when radon-222 undergoes a decay chain of four alpha decays followed by four beta decays? (A)

    asked by Adam
  32. Language Arts- Johnny Tremain

    Has anyone here read the novel Johnny Tremain? If so, I will post my questions and answers.

    asked by Anonymous
  33. Health (Ms. Sue)

    How can the failure to take antibiotics properly pose a risk to other people's health? A: The failure to take antibiotics properly can pose a risk to other people’s health as, by doing this, it leads to the development of antibiotic resistance, which

    asked by Anonymous
  34. Math Question

    Hello! I have a question about a word problem: A garden supply store sells two types of lawn mowers. The cashiers kept a tally chart for the total number of mowers sold. They tallied 30 mowers sold. Total sales of mowers for the year were $8379.70. The

    asked by Beka
  35. Health (Ms. Sue)

    Differentiate between environmentally spread diseases and diseases that are spread from person to person. A: Environmentally spread diseases are spread by physical contact of objects in the environment, such as the telephone, doorknobs, and soil, in which

    asked by Anonymous
  36. waste water treatment

    Description A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The influent flow (dwf) is 30,000 m3/day and the influent BOD concentration is 300 mg BOD/l. The suspended solid

    asked by ham
  37. econ/business

    Last month, Sue, of Sue's Sandwiches, sold $3,000 worth of product (sandwiches and sodas) from her sidewalk cart to 300 customers. She spent $600 on the sandwich ingredients and buying the sodas wholesale. Her monthly costs are the following: Utilities =

    asked by lola
  38. Pre-Calculus

    A piece of equipment has cost function C(x)=50x^2 + 1000 and its revenue function is R(x)= 500x - x^2, where x is in thousands of items. What is the least number of items that must be sold in order to break even? 50x^2 + 1000 = 500x - x^2 50x^2 + x^2 +

    asked by Ann
  39. chemistry

    consider the following reaction at 298K 4Al(s)+3O2(g) yields 2Al2O3(s) delta H= -3351.4 Kj find delta S sys find delta S surr find delta S unvi

    asked by Jessica
  40. chemistry

    Potassium metal, K, is more reactive than sodium, Na. Calcium, Ca, is less reactive than sodium. The comparative reactivity of these metals is K > Na > Ca. Explain the reactivity differences of K, Na and Ca based on their atomic structure.

    asked by Heather
  41. Physics

    A ball on the end of a string is cleverly revolved at a uniform rate in a vertical circle of radius 85.0cm. If its speed is 4.15 m/s and its mass is 0.300 kg, calculate the tension in the string when the ball is (a) at the top of its path, and (b) at the

    asked by Angie
  42. south carolina history

    which of the following terms defines an attack that encircles and limits supplies? siege skirmish stalemate confiscation please help me i just got 3 more!!!!!

    asked by recon sniper
  43. waste water treatment

    ACTIVATED SLUDGE AND NUTRIENT REMOVAL =========================================== A wastewater treatment plant based on activated sludge with biological phosphate and nitrogen removal via pre-denitrification. The influent flow (dwf) is 30,000 m3/day and

    asked by ham
  44. Statistics

    Given the following p values which would be considered more significant? a) p ≤ 0.3 b) p ≤ 0.02 c) p ≤ 0.25

    asked by Anonymous
  45. waste water treatment

    QF Description Wastewater from a small town is treated in a trickling filter which is preceeded by a screen, sand-removal and primary clarification. The maximum hydraulic capacity, or peak flow, of the treatment plant is 1,500 m3/h. The dry weather flow

    asked by ham
  46. Trig-Medians and law of cosines and sines

    In triangle ABC, we have AB=3 and AC=4. Side BC and the median from A to BC have the same length. What is BC? Not making sense to me, I think the answer must be simple, but I don't know how to solve I applied the law of sines but to no avail. Help is

    asked by Sam
  47. TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS

    imageshack(.)(us)/photo/my-images/834/j6wv.jpg/ imageshack(.)(us)/photo/my-images/17/6n4x.jpg/ please PLEASE IM BEGGING YOU MY TEACHER WILL BE GIVING ME 79 IF I DIDN'T GET THIS .. OR ELSE LOWER THAN THAT. PLEASE TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS

    asked by barbie lee
  48. physics

    3. You travel from New Orleans, Louisiana, with the following vectors: • New Orleans à Point A: q = 180°, Δd = 483 km • Point A à Point B: q = 106°, Δd = 347 km • Point B à Point C: q = 106°, Δd = 347 km Remember: east = 0°, north = 90°,

    asked by Ashley
  49. math (NEW ANSWERS)

    identify the fraction that is equivalent to 3/8. A.15/32 B.12/32(I PICKED THIS) C.12/24 D.9/32 -------------------------- A video game has three villains who appear on screen at different intervals.one villain appears every 5 seconds,a second villain

    asked by matt
  50. Chemistry

    Why does Cl- have a larger ionic radius than CA2+ ?

    asked by Cecilia
  51. math(check answers please)

    hi please check my math answers i only have 2 for now i just wanted to make sure i had the right idea. sarah is making her own halloween costume.The costume requires 2 5/8 yards of materials.Write the number of yards needed for sarahs halloween costume as

    asked by matt
  52. maths

    an aeroplane takes 40 minutes less to fly 3600km with the wind blowing at 30 km/hr than the time it takes to fly against the same wind .Find the actual speed of the aeroplane when there is no wind.

    asked by minni
  53. Math

    A bottle of juice holds 3/8 gallon when it is full. If 1/3 of the juice has been poured out, how much juice is left in the bottle?

    asked by Omar
  54. Algebra, URGENT!!!

    1) The first leg of a right triangle is 6 cm longer than its second leg. If the hypotenuse has a length of 8 cm, find the exact lengths of the two legs. First Leg: Second Leg: 2) The length of a rectangle is 10 m longer than its width and the area of the

    asked by Bailey
  55. houston community college

    gordon rosel went to his bank to find out how long it will take for 1,200 to amount to 1,650 at 8% simple interest. round to the nearest tenth

    asked by anita collins
  56. Statistics

    Create a null hypothesis for the following research questions: a. What are the differences between emergency room shifts on medication errors? b. On a clinical trial of a new drug, what will be the effects over a currently used drug?

    asked by Anonymous
  57. Chemistry

    Why does Cl- have a larger ionic radius than Ca2+ ?

    asked by Cecilia
  58. Science

    Uranium-238 is less stable than oxygen-16. What accounts for this difference? (A) Uranium is a solid, while oxygen is a gas. (B) Unlike oxygen-16, uranium-238 has a nucleus in which repulsive electric forces surpass the strong nuclear forces. (C) Oxygen-16

    asked by AJ
  59. Health (Ms. Sue)

    Describe how bacteria develop antibiotic resistance. A: Bacteria develop antibiotic resistance when it changes in a manner in which reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. Also,

    asked by Anonymous
  60. Math

    Four hoses are filling a pool. The first hose alone would fill the pool in 4 hours while the second hose takes 6 hours. The third hose and the fourth hose each take 8 hours to fill the pool. How long would it take to fill the pool if all 4hoses are turned

    asked by Kristen
  61. magnets

    A proton with a velocity of 2.0 x 10^7 m/s in the horizontal (+x) direction enters a region of uniform magnetic field that is 1 meter wide and points out of the page with a magnitude of 0.05 Tesla. At what angle below the x-axis, in degrees, does the

    asked by James
  62. Chemistry

    Which of the following groups are indicative of anionic polymerization? a)F b)Cl c)COOCH3 d)H e)CH2CH3

    asked by ChemJedi
  63. dynamics

    a 2kg ball revolves in a horizontal circle as shown at a constant speed of 1.5m/s. Knowing that L=600mm, determine (a) the angle that the cord with the vertical (b) tension in the cord.

    asked by kit
  64. science

    1. In this family, Noonan’s Syndrome is being caused by allele (a)______ in gene (b)______; specifically the Mutation with letter (leave off the “Mutation” and just give the letter) (c)______. 2. In this family, deafness is caused by a mutation in

    asked by Joshua Sams
  65. Physics! Please help! :)

    A concave mirror with a radius of curvature of 0.61 m is illuminated by a candle located on the symmetry axis 2.61 m from the mirror. Where is the image of the candle? Answer in units of m

    asked by Erin
  66. Computers (internet)

    How can I paraphrase: In the metropolis the recreational area was dilapidated.

    asked by Samantha
  67. english

    You are the phantom/ plague king who killed all the nobles in “The Masque of the Red Death” (lesson 4), and you have been captured and put on trial. Write a letter to the jury persuading them that the nobles deserved to die.

    asked by Anonymous
  68. biology

    POLARITY COHESION SURFACE TENSION CAPILLARY ACTION UNIVERSAL SOLVENT ADHESION match definitions Because water molecules stick together, they form a thin film on the surface of pools of water, on which some organisms can walk Water molecules are able to

    asked by anonymous
  69. south carolina history help me ASAP PLZZZZZ

    _______ established a lower house, an upper house, and a president who could not be elected. declaration of independence treaty of paris south carolina constitution of 1776 townshend acts

    asked by recon sniper
  70. Chemistry

    Rank the following in terms of increasing first ionization energy. 1. Na, Mg, N, O, F 2. F, N, O, Mg, N 3. F, O, N, Mg, Na 4. O, N, F, Na, Mg 5. Na, Mg, O, N, F

    asked by Meg
  71. Health (Ms. Sue)

    Describe how bacteria develop antibiotic diseases. A: Bacteria develop antibiotic resistance when a person stops taking antibiotics before the prescription is finished. By doing this, most of the bacteria die, but some more resistant bacteria survive and

    asked by Anonymous
  72. Scientific Notation - PLEASSEE

    A rectangular yard had a length of 0.006 kilometer and a width of 5x10^-3 kilometers. A. Use scientific notation to express the ares of the yard in kilometers, showing each step in the process. B. Convert the area into square meters using the conversion

    asked by andra
  73. Chemistry

    Sodium vapor lamps are often used in residential street lighting. They give off yellow light with a frequency of about 5.91 × 1014 Hz. What is this wavelength in nm?

    asked by Heather
  74. Algebra NEED HELP ASAP!!!!!!

    The temperature outside was 72 degrees at 6 am. The temperature rose 4 degrees per hour for the next 12 hours. The total temperature is a function of the number of hours the temperature rose. What was the temperature at noon? (write the equation as a

    asked by Cristian
  75. mit

    A spacecraft of mass m is first brought into an orbit around the earth. The earth (together with the spacecraft) orbits the sun in a near circular orbit with radius R (R is the mean distance between the earth and the sun; it is about 150 million km). (a)

    asked by jp
  76. Visual Literacy in Business CGD218

    he textbook explains that, although counterintuitive, advertising should not focus on the product or service being sold, but should rather focus on the needs and desires of its target market. It quotes Michael Newman (2003) stating: “Don’t tell me

    asked by Ms.B
  77. chemistry

    Glucose can be classified as an aldohexose. Name the following monosaccharide to indicate its carbonyl group and the number of carbon atoms. HO-CH2-C(=o)-c(H2O)-C(H2O)-CH2-OH

    asked by prity
  78. math

    A map has a scale of 3 centimeters = 4 kilometers. If two cities are 8 centimeters apart on the map, what is the actual distance between the cities, to the nearest tenth of a kilometer?

    asked by Emily
  79. sosial studies

    When 1.0 L solution Ba (NO3) 2 2.0 M at 25oC is mixed with 1.0 L solution of 2.0 M Na2SO4 in a calorimeter, the reaction that occurs to produce solid barium sulfate and temperature of the mixture increased to 28.1 oC. Calculate the enthalpy change per mole

    asked by Norsiah
  80. math(check answers please)

    PLEASE CHECK THESE ANSWERS compare the pair of numbers use ,= 3/4 _ 6/8 A.3/4=6/8(I PICKED THIS) B.3/46/8 Write the decimal as a fraction or mixed number in simplest form. 3.45 A.4 3/4 B.4 9/20 C.3 3/4 D.3 9/20(I PICKED THIS

    asked by matt
  81. math

    A package is at rest on a conveyor belt, which is initially at rest. The belt is started and moves to the right for 1.3 s with a constant acceleration of 2 m/s^2 . the belt then moves with a constant deceleration a2 and comes to a stop after a total

    asked by kit
  82. Statistics

    How could you reword these research hypotheses to null hypotheses? a. Smoking during pregnancy increase the risk of a child being born prematurely. b. Regular exercises in older adults decreases blood pressure levels.

    asked by Anonymous
  83. ANALYTICAL CHEMISTRY

    A 24-h urine specimen was diluted to 2.000L and buffered to pH 10.0. A 10.00 mL aliquot was titrated with 27.32 mL of 0.003960 M EDTA. The calcium in a second 10.00 mL aliquot was iso;ated as solid CaC2O4, redissolved and titrated with 12.21 mL of the EDTA

    asked by Anonymous
  84. Physics

    Mars has a moon (Phobos) with an orbital period of 7.67 hours and an orbital radius of 9.4x106 m. Use Kepler’s 3rdLaw to estimate the mass of Mars.

    asked by Angie
  85. cal

    Use the differential to approximate the quantity to four decimal places. √(122)

    asked by tony
  86. Algebra

    If 9876^2=97,535,376 Find the value of 9877^2 and (9874)(9878) without using a calculator

    asked by Summer
  87. Statistics

    A packing company investigates a national training consultant in hopes of improving productivity on the packing line. The national consultant agrees to work with 18 employees, collecting productivity data for each employee before the training program and

    asked by Samantha
  88. Physics

    Three moles of an ideal monatomic gas are at a temperature of 396 K. Then 2438 J of heat is added to the gas, and 897 J of work is done on it. What is the final temperature of the gas?

    asked by Help Please
  89. physics

    1. A man pulls a crate with a rope. The crate slides along the floor in the horizontal direction (x direction). The man exerts a force of 50 N on the rope, and the rope is at an angle q. Describe how the force components (Fx, Fy) change as the angle

    asked by Ashley
  90. Math

    If the problem is: 3x-22 = x+80 what would x equal? Please show your work.

    asked by Samantha
  91. College Algebra

    Pencils cost 20 cents and pens cost 50 cents. Mabel buys x pencils and y pens, spending $2.00. Write an equation in standard form with integer coefficients that relates x and y.

    asked by Haley
  92. algebra - inequalities

    Solve the inequality. 1/4x < 0.325 A. x > 1.3 B. x > 0.08125 C. x < 1.3 D. x < 0.08125 do i divide or multiply here? i think it's divide, in that case, i'd answer C.

    asked by orpheus
  93. Psy/355

    I need help with my research paper please. 700- to 1,050-word paper in which you examine the concept of motivation. „h Address the following items: o Define motivation. o Identify at least two sources of motivation. o Explain the relationship between

    asked by Nikita
  94. magnetism

    A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region

    asked by Anton (Elena Pl: check)
  95. Algebra 1

    The temperature outside was 72 degrees at 6 am. The temperature rose 4 degrees per hour for the next 12 hours. The total temperature is a function of the number of hours the temperature rose. What was the temperature at noon? (also write an equation)

    asked by Cristian
  96. Calculus Fundamental Theorem

    Evaluate the definite integral. function: (t+8)(t^2+3) with respect to variable t lower limit: -sqrt(2) upper limit: sqrt(2)

    asked by Max
  97. biology need help

    1 – 2 sentences why each of the following unique properties of water is important to living things Water is the universal solvent: Water is less dense as a solid than as a liquid Water molecules are attracted to one another (cohesion) Water molecules are

    asked by anonymous
  98. Math Exponenet Word problem

    A microscope is set so it makes an object appear 4x10^2 times larger than its actual size. A virus has a diameter of 2x10^-7 meter. How large will the diameter of the virus appear when it is viewed under the microscope?

    asked by andra
  99. Math quick question

    Create a system of linear equations with this situation: Megan considers two different car rental options. One option costs $19 per day plus $0.12 per kilometre . Another option costs $42.50 per day for unlimited kilometres . Thanks :)

    asked by Jenna
  100. MATH - Standard Form

    Mohammed copied this problem into his notebook. (3.4x10^5)(3.8x10^-9) A. Use the associative and commutative properties to rearrange the factors. B. Find the product and write it in standard form.

    asked by andra
  101. Math Questions (AGAIN)

    Hi! Someone was helping me earlier with these but their explanation was hard to understand. Can someone ELSE help me? Thanka! :) 1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that

    asked by Brooke
  102. biology

    Draw a picture of the structure of a water molecule that includes all of the following: hydrogen, oxygen, partial positive charge(s), partial negative charge(s)

    asked by anonymous
  103. Fundamental Theorm of Calculus

    Find the average value of f(x)=3x^2-2 x on the interval [3,6]

    asked by LIz
  104. Algebra (math)

    The temperature outside was 72 degrees at 6 am. The temperature rose 4 degrees per hour for the next 12 hours. The total temperature is a function of the number of hours the temperature rose. What was the temperature at noon?

    asked by Cristian
  105. Math questions

    Hi! Someone was helping me earlier with these but their explanation was hard to understand. Can someone ELSE help me? Thanka! :) 1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that

    asked by Brooke Jean
  106. Algebra 1

    The temperature outside was 72 degrees at 6 am. The temperature rose 4 degrees per hour for the next 12 hours. The total temperature is a function of the number of hours the temperature rose. What was the temperature at noon? (write the equation as a

    asked by Cristian
  107. science

    Does 'cocoa bean' mean 'cacao bean'? What is the difference between 'cacao' and 'cocoa'?

    asked by rfvv
  108. science

    A 2.94 kg ball is attached to a ceiling by a 1.88 m long string. The height of the room is 5.05 m . The acceleration of gravity is 9.8 m/s2 . What is the gravitational potential energy associated with the ball relative to the ceiling? Answer in units of J

    asked by meadowmere
  109. Math Properites

    Mohammed copies this problem into his notebook (3.4x10^5)(3.8x10^-9) A. Use the associateve and commutatitive properties to rearrange the factors. B. Find the product. Write the product in standard form.

    asked by andra
  110. math

    Solve the proportion: 4 2 --- = --- 3.2 x A. 6.4 b. 2.5 c. 1.6 d. 0.8 My answer is c ?

    asked by ciara
  111. Physics

    A model rocket blasts off from the ground, rising straight upward with a constant acceleration that has a magnitude of 92.9 m/s2 for 1.85 seconds, at which point its fuel abruptly runs out. Air resistance has no effect on its flight. What maximum altitude

    asked by Tom
  112. math :)

    1. A toy airplane is 10 inches long.If the actual airplane is 75 feet long, find the scale of the model. A. 2:14 ft B. 1:90 ft C. 4:25 ft D. 1:120 ft My answer is B ?

    asked by ciara
  113. biology

    1 – 2 sentences why each of the following unique properties of water is important to living things Water is the universal solvent: Water is less dense as a solid than as a liquid Water molecules are attracted to one another (cohesion) Water molecules are

    asked by anonymous
  114. Algebra 1

    The temperature outside was 72 degrees at 6 am. The temperature rose 4 degrees per hour for the next 12 hours. The total temperature is a function of the number of hours the temperature rose. What are the independent variable and dependent variable

    asked by Cristian
  115. Math

    The ratio of cats to dogs is 2:1 and the ratio of dogs to parrots is 15:2. In addition, the ratio of parrots to snakes is 3:1 and the ratio of snakes to turtles is 6:7. What is the ratio of cats to turtles?

    asked by Kristen
  116. Math

    Hi! I have 4 math questions! (: 1.) There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? 2.)In a shipment of alarm clocks, the probability that

    asked by Brooke
  117. Health (Ms. Sue)

    Describe how vaccinations work to protect the body from illness. A: When a vaccine is injected or swallowed, the immune system responds to the vaccine material by making white blood cells called memory cells. Therefore, when or if the pathogen against

    asked by Anonymous
  118. Calculus Fundamental Theorem

    Evaluate the definite integral. function: x+13 with respect to variable x lower limit:0 upper limit:22

    asked by Max
  119. Physics

    An astronaut is at rest 1.0 m away from his shuttle when his jet malfunctions and his hand-held radio dies. unable to reach his shuttle to return to safety, a) what can the astronaut do to get himself back to his ship? b) Which of Newton's three laws would

    asked by JR
  120. magnetism

    A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque

    asked by James
  121. Math (Calculus)

    Tower 1 is 60 ft high and tower 2 is 20 ft high. The towers are 140 ft apart. A guy wire is to run from point A to the top of each tower. [See a picture of this situation on page 274 of the textbook.] How many feet from tower 1 should point A be so that

    asked by Alexis
  122. physics(URGENT!!!!!)

    EDXers!!! Plz help with MITx 8.01x I don't know how to solve HW8 Problem 3 Question c) Can anybody help me???? Explain Plz

    asked by Anonimus
  123. Math

    1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have

    asked by Lorri
  124. biology

    Draw a picture of the structure of an atom that includes all the following: protons, neutrons, electrons, nucleus, orbitals

    asked by anonymous
  125. Health (Ms. Sue)

    Differentiate between environmentally spread diseases and diseases that are spread from person to person. By "environmentally," is it referring to food, water, and the environment or merely the environment?

    asked by Anonymous
  126. Geometry

    Jason designed an arch made of wrought iron for the top of a mall entrance. The 11 segments between the two concentric circles are each 1.25 m long. Find the total length of wrought iron used to make the structure. Round the answer to the nearest meter.

    asked by Brittany
  127. Physics

    Two blocks are attached together with a piece of string. Block #1 (3 kg) slides along a rough horizontal surface and block #2 (2 kg) hangs off the end of the surface. If the blocks accelerate at 2.5 m/s2 in the directions shown, determine the tension in

    asked by Angie
  128. ENGLISH

    What are the PROS and CONS in the story of The Boston Photographs by Ephron short story??

    asked by WONDA SMITH
  129. Physics

    A 25 g bullet is fired from a rifle with a barrel of length 65 cm. The bullet starts from rest at one end of the barrel and experiences an average force of 1200 N due to the expanding gases as it moves down the length of the barrel. a) Calculate the work

    asked by Angie
  130. Math

    1.) You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have

    asked by Lorri
  131. math

    Lindsey ha saved $12 tot go to the movies.This is $3 more than the twice the cost of a movie.What is the cost of a movie?

    asked by lion
  132. Physics

    Design an AC circuit with R, L, and C components so that it can achieve output voltage in a given load to be doubled in amplitude (magnitude) while achieving increase in the phase shift of the output voltage of 45 more than the phase of the input voltage.

    asked by Jane
  133. algebra

    find the length of each person's sandwich? an 18inch long sandwich was purchased & Jenny cuts the sandwich so that Demi gets 1/2 of what Jenny gets and Joel gets 3/4 of what Jenny gets.

    asked by Denise
  134. Organic Chemistry Help Please

    We're going over the reactions involving Alkenes and Alkynes. However, I'm extremely confused I how to determine with solvent/solvents to use and also when already given the solvents with the reactants how this will effect the products. I studied the basic

    asked by Sarah
  135. MATHS

    The sum of three numbers is 1313. The sum of two of the numbers is 450. What is the third number?

    asked by LARA
  136. biology

    Pretend you are taking a tour of a factory that creates macromolecules  Describe your journey through the 4 rooms in the factory – the Carbohydrate Room, the Lipid Room, the Protein Room, and the Enzyme Room. In each room, include the following: 1.

    asked by Reina B.
  137. Maths

    2(y+2)^2*+4(y+2) 15(x-1)^2-10(x-1) 8(p+5)^2+10(p+5)

    asked by Candy
  138. Maths

    9(q+1)+6(q+1)^2 7(a-b)(a+b)-14(a+b) 4x^2(x+1)-6x(x+1)

    asked by Candy
  139. math

    The Empire Carpet Company orders merchandise for $17,700, including $550 in shipping charges, from Mohawk Carpet Mills on May 4. Carpets valued at $1,390 will be returned because they are damaged. The terms of sale are 2/10, n30 ROG. The shipment arrives

    asked by traci
  140. math

    If the there's 50 players which number of players can be arranged in the shape of a square

    asked by A+
  141. Math

    Warren is riding his bike at 15 mph on a road adjacent to railroad tracks. A train traveling at 90mph in the opposite direction as Warren, takes 20 seconds to pass him. How long is the train?

    asked by Kristen
  142. Physics

    A container holds 1.3 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 6.6x10-3 kg bullet with a speed of 670 m/s. What is the Kelvin temperature of the gas?

    asked by Help Please
  143. College Algebra

    Mints cost 5 cents each and gumballs cost 3 cents each. Kathleen spent 60 cents buying x mints and y gumballs. Write an equation in stand form that represents all the different combinations of mints and gumballs that Kathleen might have purchased.

    asked by Haley
  144. Statistics

    When comparing two samples that are independent of one another, we use the two-sample t-test. A) True B) False 5. Using paired differences helps to reduce the variation. A) True B) False Both are True?

    asked by Samantha
  145. Math

    Sophia went to an amusement park. She went on 18 rids in all. 7 of the rides were roller coasters. How many of the rides Sophia went on were not roller coasters?

    asked by Raquel
  146. Physics-Attention ELENA

    A circular plate with a slot in its surface is rotating with angular velocity ω and angular acceleration α with respect to a fixed coordinate system, OXYZ as shown. A ball B moves along the slot in the direction shown with velocity, v, and acceleration,

    asked by Michael
  147. Physics

    Posting this question again Design an AC circuit with R, L, and C components so that it can achieve output voltage in a given load to be doubled in amplitude (magnitude) while achieving increase in the phase shift of the output voltage of 45 more than the

    asked by Jane
  148. Fundamental Theorm of Calculus

    Use a definite integral to find area of the region under the curve y=7-4x^2 and above the x-axis. Thanks in advance!

    asked by LIz
  149. College Algebra

    A 50 gallon barrel plumb full of water springs a leak in the bottom and leaks at a constant rate of two gallons per minute. Write an equation that relates the amount of water left in the barrel, y in terms of how many minutes have passed since the leak

    asked by Haley
  150. maths

    how much more is 18p + 17p than 2 * 15p?

    asked by john brown
  151. statistics

    I am conducting a study on support of ban on smartphones in class. 68/87 said yes to the ban. How large of a sample is needed to be sure the margin of error +/- 3.5% with 99% confidence. I know this is estimation...but I am not sure how to go about solving

    asked by mel
  152. Math Explaining

    How would you use a number line to round 347 to the nearest ten?

    asked by Hero
  153. College Algebra

    Write an equation for the amount of money, A, that we would have if we invested $2000 at 8% interest for 10 years compounded semiannually (twice each year)

    asked by Haley
  154. College Algebra

    Write an equation for the amount of money, A, that we would have if we invested $25,000 at 6% per year for 5 years compounded instantaneously.

    asked by Haley
  155. maths

    what is the distance around this rectangle?

    asked by john brown
  156. maths

    find the change from £3 after spending £1.40 and 80p.

    asked by john brown
  157. TRIANGLE SIMILARITIES RATIOS AND PROPORTIONS

    imageshack(.)(us)/photo/my-images/834/j6wv.jpg/ imageshack(.)(us)/photo/my-images/17/6n4x.jpg/ please PLEASE IM BEGGING YOU MY TEACHER WILL BE GIVING ME 79 IF I DIDN'T GET THIS .. OR ELSE LOWER THAN THAT. PLEASE

    asked by BARBIE LEE
  158. maths

    there are 150 children in a school . two thirds of the children have school meals. how many children is that?

    asked by john brown
  159. Visual Literacy in Business CGD218

    As stated in your textbook, “branding is equated with everything from creative strategy to logotype design. It is said to exist through sophisticated color palettes, product packaging and service trademarks. Some marketers insist that branding is

    asked by EB
  160. Chemistry

    how do i know which compounds to put the roman numeral in?

    asked by Hanna
  161. cal

    Find dy for the given values of x and Δx. y=4/x^4+3√x; x=4, Δx=.5

    asked by tony
  162. health care

    Quality Improvement tools are the control chsrts or fishbone diagram. The quality measurement tools to measure things like patient falls would be like CMS or the Joint Comission. I do know if I am correct or not Thank You

    asked by Mary
  163. Physics

    A 10 kg penguin slips down a rough incline of 35o . If the coefficient of kinetic friction between the penguin and the incline is 0.15, determine the penguin’s acceleration.

    asked by Angie
  164. English

    The pool, “covered up since the end of summer”, is now open, clean and ready to use. a. infinitive phrase b. participial phrase c. gerund phrase d. prepositional phrase B

    asked by Anonymous
  165. English !!!

    To find out which key will open a lock, you try several until one works. This kind of learning is called ________________________.

    asked by Riley
  166. understanding and managing money

    which of the following statements about money invested in a traditional ira account is correct?

    asked by yusuf
  167. English

    Ever since Lisa auditioned for the musical Annie in the third grade, she had been seriously interested in musical theater. She loves to sing, dance, and act. She performs in two or three shows in her city each year. This year, Lisa was excited to audition

    asked by Anonymous
  168. biology

    Explain why water molecules are described as “sticky” is it because hydrogen bond that bonds together.

    asked by anonymous
  169. biology

    Explain why water molecules are described as “sticky” is it because hydrogen bond that bonds together.

    asked by anonymous
  170. Physics

    How to add vectors in terms of velocity by using vector chart

    asked by Anonymous
  171. Math

    I need help with these please: 4. Simplify sqrt27/75. The answer should be in simplest form 5. Solve for w. (3w-15) (w^2 + 11w +30) = 0 Thanks -MC

    asked by mysterychicken
  172. electromagnets

    A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque

    asked by Anton help needed
  173. algebra

    To the nearest tenth of an inch, find the length of a diagonal of a square whose side length is 8 inches.

    asked by Mathew
  174. Fundamental Theorm of Calculus

    Find the average value of f(x)=7x^{-2} on the interval [1,5]

    asked by Chrissy
  175. algebra

    How do i write an equation of a line with the given slope and y-intercept for m= 2/9, b=3?

    asked by Marina
  176. Trigonometry

    simplify: tanx/secx+1

    asked by Cam
  177. math

    integral problem 8^7dx=

    asked by tiffany
  178. Physics HELP!!

    A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 200 rad⋅s-1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the horizontal (see

    asked by bob
  179. Math

    What would the equation look like if the line is perpendicular to y=x+2 and has a y-intercept of 0?

    asked by Leah
  180. Math

    What is the equation look like when the line is perpendicular to y= 4-3x and has y intercept of 3/4?

    asked by Leah
  181. College Algebra

    Change the equation 5x+3y=60 to slope-intercept form.

    asked by Haley
  182. College Algebra

    A company that bought a machine for $30,000 wants to depreciate its entire value equally over the next ten years. Write an equation that represents the machine's value, v, in terms of the number of years that have passed since the machines purchase, t.

    asked by Haley
  183. Math

    Leslie saw 8 squirrles at the park. She saw 5 birds and 12 ants. how many more ants and birds did Leslie see than she saw squirrles?

    asked by Raquel
  184. cal

    Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle. f(x)=3/x from x=2 to x=6; n=4

    asked by tony
  185. Trigonometry

    (1/(cscx+1))-(1/(cscx-1))

    asked by Cam
  186. South America

    What is the longitude and latitude of every piece of south America?

    asked by Kate
  187. math

    10 2/9-(-3 1/3)

    asked by rj
  188. math

    cot^2(x)-1/1+cot^2(x)

    asked by Cam
  189. home school

    the sum of two numbers is 42. their product is 185. what are the two numbers

    asked by jamal
  190. Social Studies (History)

    What does it mean by setting a scene?

    asked by Nicole
  191. College Algebra

    Solve the System 2x-8y=20 3x-12y=30

    asked by Haley
  192. math

    Write a situation that can be represented by 3.25d

    asked by lizzie
  193. statistics

    conduct a study on support of ban on smartphones in class. 68/87 said yes. How large of a sample is needed to be sure the margin of error +/- 3.5% with 99% confidence. I know this is estimation...but I am not sure how to go about solving this problem.

    asked by mel
  194. physics (Urgent)!!!!!!!!!!!!!!!!!!!!!!

    A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 300 rad⋅s-1 as shown in the figure below. The gyroscope precesses, with its axle at an angle 30∘ below the horizontal. The

    asked by Anonimus
  195. Math

    Solve and check each equation 1a. 12n=36 n=3 1b. n-5=8 n=13

    asked by Jerald
  196. Economy (vehicles)

    What is a bi-wheel vehicle?

    asked by Zack
  197. Math

    6m-3=21 m=4 g/4+7=10 How do I solve this one g/4 is suppose to be a fraction 3+2x=17 7

    asked by Jerald
  198. cal

    Find the average value of the function on the given interval. f(x)= √x+2; [1,7]

    asked by tony
  199. Math

    What would the equation look like when the line is perpendicular to x+2y=10 and has a y-intercept of -10

    asked by Leah
  200. Chemistry(Dr.Bob222)

    What does it mean for something do to be neutralized? Is that when the [H+]=[OH-]? or is that totally wrong?

    asked by K
  201. Math

    What would the equation look like when the line is perpendicular to 2x-3y+1=0 and has Y- intercept of 2/3

    asked by Leah
  202. Math

    What would the equation look like when the line is perpendicular to 2x-3=4y and has Y- intercept of -5/4

    asked by Leah
  203. Math

    What would the equation look like when the line is parallel to y=-2x+3 and has a Y-intercept of -1

    asked by Leah
  204. Math

    What would the equation look like when the line is parallel to y= 3/4x-3 and has a Y-intercept of 3

    asked by Leah
  205. Math

    What would the equation look like when the line is parallel to y= -x+1/2 and has a Y-intercept of -2

    asked by Leah
  206. Algebra 1

    write in standard form y+4=1(x-2) Can you explain how to get the answer

    asked by Jynessa
  207. Math

    What would the equation look like when the line is parallel to 2x-3y=1 and has a Y-intercept of 0

    asked by Leah
  208. Math

    What would the equation look like when the line is parallel to x=3y-2 and has a Y-intercept of -3/2

    asked by Leah
  209. Math

    What would the equation look like when the line is parallel to x-y+1=0 and has a Y-intercept of 3/4

    asked by Leah
  210. math

    A car with a sticker price of $42,850 with factory and dealer rebates of $5,100 Find the monthly payment if financed at 2.5% add-on interest for 60 months.

    asked by Anonymous
  211. English

    "Eating flesh with razor-sharp teeth" is how piranhas survive. prepositional phrase gerund phrase participial phrase appositive phrase A?

    asked by Anonymous
  212. Chemistry

    PLEASE HELP! I was just wondering why it is important to add an NaOH pellet to a nucleophile containing solution with ethanol before adding an electrophile.

    asked by Anon
  213. HELP Biology

    To find out which key will open a lock, you try several until one works. This kind of learning is called ________________________. I have no clue

    asked by vickie