Questions Asked on
January 27, 2014

  1. physics

    If the total positive charge is Q = 1.62×10−6C , what is the magnitude of the electric field caused by this charge at point P, a distance d = 1.53m from the charge? (Figure 1) Enter your answer numerically in newtons per coulomb.

    asked by James
  2. Chemistry

    Given the reactant side of the total ionic equation for the neutralization reaction of ammonium hydroxide (NH4OH) with hydrochloric acid (HCl), write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and the

    asked by Taylor
  3. MATH CHECK ANSWERS

    CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2

    asked by zoey
  4. Physic

    How far apart should two protons be if the electrical force of repulsion is equal to the weight (attraction to the Earth) of one of the protons?

    asked by Asiay
  5. Math

    Meagan will be using a moving truck to move her belongings to another location. She is trying to decide from which company to rent the moving truck: • Option 1: Truck A offers a flat fee of $25 and $.50 per mile. • Option 2: Truck B offers a flat fee

    asked by Zakeya
  6. physics

    An electric heater used to boil small amounts of water consists of a 25-Ω coil that is immersed directly in the water. It operates from a 60-V socket. How much time is required for this heater to raise the temperature of 0.50 kg of water from 29° C to

    asked by Dee
  7. Algebra

    Is the following statement always, never, or sometimes true? A number raised to a negative exponent is negative. A. always B. never C. sometimes Sometimes?

    asked by Anonymous
  8. Math

    A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter notices that he has enough pieces left over to make up the same length as 4 of the original boards. How many boards did the carpenter start

    asked by Mark
  9. physics

    A tungsten wire has a radius of 0.077 mm and is heated from 20.0 to 1205 °C. The temperature coefficient of resistivity is α = 4.5 10-3 (C°)−1. When 110 V is applied across the ends of the hot wire, a current of 1.3 A is produced. How long is the

    asked by Dee
  10. Algebra

    Simplify (4xy^2)^3 (xy)^5. A. 64x^8 y^11 B. 64x^15 y^30 C. 12x^2 y^11 D. 12x^8 y^11 A Simplify (2t^-3)^3 (0.4r)^2. A. 3.2r^2 B. (1.28r^2)/(t^-6) C. (1.28r^2)/(t^9) D. (0.8r^2)/(t^-6) C

    asked by Anonymous
  11. gifted talented science

    pls, help! this is hard and confusing! 1. How does runoff affect a community? (1 point) Runoff can supply new homes and businesses with the water that they need. Runoff can provide the water that fish in streams and lakes rely on. Runoff can prevent

    asked by TTR+S<3
  12. Algebra

    Write in standard notation. 6.12 X 10^3. A. 6120 B. 612 C. 61,200 D. 61.2 A Simplify and write in scientific notation. 0.5(8 X 10^5). A. 8 X 5^5 B. 4 X 5^5 C. 8 X 10^5 D. 4 X 10^5 D

    asked by Anonymous
  13. Help

    Read the following scenario and determine the willing participant. Eboni’s friend, Margo, was eager to tell her about the new friend she met online. She began chatting with Aaron on a social networking website and found out that they had a lot in common.

    asked by Anonymous
  14. math

    two trains leave Austin one train going north at 80 mph and one going 60mph how long will it take the two trains to be 420 miles apart?

    asked by vickie
  15. Anatomy & Physiology

    A 50-year-old woman reports in her medical history that her mother has Graves' disease, so the woman is concerned about having the condition as well. Which of the following symptoms would suggest that she does indeed have this disorder? A. She suffers from

    asked by Diana K
  16. Science

    a 67 gram chunk of ice (Heat of Fusion = 6.0 kJ/mol) in a beaker immersed in a water bath. To produce just enough heat to melt the ice, how many moles of solid NaOH (Heat of Solution = -445.1 kJ/mol) must be added to this system to just melt the ice.

    asked by Anonymous
  17. Consumer Math

    2. Express the fractions 1/2, 3/16, and 7/8 with an LCD. A. 1/4, 3/4, 7/4 B. 1/32, 3/32, 7/32 C. 4/8, 6/8, 14/8 D. 8/16, 3/16, 14/16 A

    asked by shawn
  18. Algebra 1

    Tell whether the sequence is arithmetic. If it is, what is the common difference? -12, -7, -2, 3,… (1 point)

    asked by Gabby
  19. Math

    Here is the problem: Christopher orders a three topping pizza for $15.25, and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain cheese pizza (no toppings) and the cost of each topping. I used the method

    asked by Kathy
  20. Algebra

    Simplify and write in scientific notation. (9 X 10^-3)^2 A. 8.1 X 10^-5 B. 81 X 10^-4 C. 81 X 10^-3 D. 8.1 X 10^-6 ? Evaluate 1/2a^-4 b^2 for a = -2 and b = 4. A. 2 B. 1/2 C. 3 D. 4 B

    asked by Anonymous
  21. maths probability

    The lifetime X of a bulb is a random variable with the probability density function: f(x)=6[0.25-(x-1.5)^2] when 1

    asked by rupesh painkra
  22. Chemistry

    Assume that the complete combustion of one mole of ethanol to carbon dioxide and water liberates 1370 kJ/mol (?G°\' = –1370 kJ/mol). If the energy generated by the combustion of ethanol is entirely converted to the synthesis of a hypothetical compound

    asked by Royzel
  23. Consumer Math

    15. The quotient of 794.1 divided by 7.61, expressed to two decimal places, is A. 104.35. B. 95.83. C. 1,043.50. D. 786.49. A

    asked by shawn
  24. Psychology

    Within each gene, elements of DNA are arranged in a particular order, forming a code that influences the synthesis of particular proteins. This code affects every aspect of the body, from its structure to the chemicals that keep it running. The above

    asked by aNNA
  25. algebra

    1. November 1: You start the month with $1,234 in your account.

    asked by Anonymous
  26. Algebra (Word Problem)

    Here's the word problem: You have a coupon for $50 off your camera purchase of $100 or more at Camera World. Write a function relating a camera's purchase price after coupon, y, to the retail price, x. Give the domain of this function. Here is what I have

    asked by Beth
  27. math

    It says sam test scores for the making period were 60,89,83,99,95,60 Suppose that sams teacher decided to base the marking period grade on the mean. What grade would sam earn? Do you think this is a fair grade explain your reasoning?

    asked by ingrid
  28. Writing--Can someone please help me with this?

    Write a description of a scene in the story "The Birds" by Daphne Du Maurier as it would look to a bird flying overhead.

    asked by Anonymous
  29. Algebra

    Simplify 5^-1(3^-2) A. 45 B. 1/45 C. 15^-3 D. 15^2 B

    asked by Anonymous
  30. Algebra, URGENT!! HELP!

    Rewrite the following as a perfect square: 144b^18

    asked by Brett
  31. Chemistry

    Trichloroethane, C2H3Cl3, is the active ingredient in aerosols that claim to stain-proof men's ties. Trichloroethane has a vapor pressure of 100.0 mm Hg at 20.0 C and boils at 74.1 C. An uncovered cup (1/2 pint) of trichloroethane (d=1.325 g/mL) is kept in

    asked by Nala
  32. Chemistry

    Water is composed of 11.2% hydrogen and 88.8% oxygen. what mass of water contains 50.0g of 0xygen?

    asked by Bob
  33. Writing (Writeacher and Ms. Sue)

    Write a description of a scene in the story "The Birds" by Daphne Du Maurier as it would look to a bird flying overhead. What do you think? I wrote the description about the scene when the birds are entering the house through the chimney. "The bright

    asked by Anonymous
  34. physics (clear answer)

    A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.0 m/s at an angle of 38.5° above the horizontal. It rises to its maximum height and then falls down to the green.

    asked by jason
  35. Math

    Select the measure of the complement or supplement of the angle. If there is no complement or supplement, select no complement or supplement. 55.1° (1 point) 124.9° 119.9° 49.9° no complement or supplement

    asked by Mothy
  36. math

    One solution contains 20% acid and a second solution contains 50% acid. How many ounces of each solution should be mixed in order to have 60 ounces of a 30% acid solution?

    asked by Anonymous
  37. science

    joey drives his car 7 kilometers north. he stops for lunch and then drives 5 kilometers south. what distance did he cover?

    asked by aly
  38. physics

    A 6.30kg block is pushed 9.50m up a smooth 35.0∘ inclined plane by a horizontal force of 77.0N . If the initial speed of the block is 3.15m/s up the plane. What is the initial kinetic energy of the block, the work done by the 77.0N force, the work done

    asked by Keke
  39. physics

    Three charges are fixed in the x−y plane as follows: 1.7nC at the origin (0, 0); 2.3nC at (0.60m , 0); –2.0nC at (0, 1.20m ). Find the force acting on the negative charge. Express your answer using two significant figures. Enter the x and y components

    asked by James
  40. HELP- Accounting

    An invoice for product X totals $1,200 and is dated July 6, 2000 with terms 2/10-60X. If the invoice is paid on September 3, 2000, what is the net amount of payment? A. $912 B. $1,152 C. $1,176 D. $1,200

    asked by Angela
  41. Physics

    A diver springs upward from a board that is 3.20 m above the water. At the instant she contacts the water her speed is 11.4 m/s and her body makes an angle of 68.7 ° with respect to the horizontal surface of the water. Determine her initial velocity, both

    asked by Bee
  42. Algebra 1

    Write an equation in point-slope form for the line through the given point with the given slope. (-4,6);m=3/4 (1 point) y-6=3/4x+4 y-6=3/4(x-4)*** y-6=3/4(x+4) y+6=3/4(x+4)

    asked by Gabby
  43. math

    An oil painting is 16 years older than a watercolor by the same artist. The oil painting is also three times older than the watercolor. How old is each? Identify a variable, set up an equation and solve. thanks

    asked by ava
  44. Business communication

    can someone help me to correct it? this message address to international employee. Message intend to announce a revenue drop caused by intensive competitive pressure Howdy guys! Shouldn’t surprise anyone that we took a beating this year, given the insane

    asked by Artem
  45. Physics

    In Cambridge, England, a seconds pendulum is 0.9942 m long. What is the free-fall acceleration in Cambridge? (Use 4 significant figures in your answer.)

    asked by Anonymous
  46. URGENT Physics PLEASE help

    5. A 1,600 kg car is moving south at 24 m/s. What is its momentum? (Points : 1) 66 kgm/s south 66 kgm/s north 38,000 kgm/s north 38,000 kgm/s south Question 6. 6. The velocity of a 150 kg cart changes from 6.0 m/s to 14.0 m/s. What is the magnitude of the

    asked by Anon
  47. Please help with Physics Quickly

    1. How are impulse and momentum related? (Points : 1) Impulse is the change in momentum of an object. Momentum is the change in impulse acting on an object. Impulse and momentum are always equal in magnitude. Impulse and momentum are the same thing.

    asked by Anna
  48. Physics

    A meter stick balances at the 50.0-cm mark. You tie a 20N weight at the 20cm mark. Where should a 30N weight be placed so the meter stick will again be balanced?

    asked by Anonymous
  49. Finance

    Kim Davis is in the 40% personal tax bracket. She is considering investing in HCA (taxable) bonds that carry a 12% interest rate. a. What is her after-tax yield (interest rate) on the bonds? b. Suppose Twin Cities Memorial has issued tax exempt bonds that

    asked by Lisa
  50. Algebra 1

    Tell whether the lines for the pair of equations are parallel, perpendicular, or neither. Y=-4/5x+3 4x-5y=-15 (1 point) Parallel Perpendicular*** Neither Write an equation of a line that is perpendicular to the given line and that passes through the given

    asked by Gabby
  51. chemistry

    if a coin with 3.0 cm diameter, 0.2 cm thickness weighs 10.377g, what are its volume and density?

    asked by Anonymous
  52. Algebra 1

    An online camera retailer currently offers a 40% discount on cameras. Write a function relating a camera's purchases price, y, to the retail price, x. Give the domain of this function. I'm really stuck on this problem. Thanks so much for your help.

    asked by Kathy
  53. CHEMISTRY URGENT!!!!

    An electron transition in a single H-atom from n=3 to n=2 results in the release of a single photon. What is the wavelength of this photon in nanometers? NEED ANSWER CUZ MINE ISNT WORKING

    asked by Joel
  54. childcare

    A preschool child in your class draws a square that's divided by lines. This shape is known as a

    asked by Anonymous
  55. IT WEB SYSTEMS

    Provide a real-life application in which you manipulate data in a string or an array format. Describe the situation, manipulation process, and data result.

    asked by david
  56. Math

    I'm a odd number, actually both my numbers are odd. If you substract my ones digit from my tens digit the diffrence is four. And I am less than sixty. What number am I?

    asked by Luz
  57. Algebra

    Simplify. (mn^-4)/(p^0q^-2) A. (mq^2)/(n^4) B. (mp)/(n^4) C

    asked by Anonymous
  58. physics

    Three deer, A, B, and C, are grazing in a field. Deer B is located 63.4 m from deer A at an angle of 50.8 ° north of west. Deer C is located 76.7 ° north of east relative to deer A. The distance between deer B and C is 96.7 m. What is the distance

    asked by josh
  59. Math

    Twenty two exceeds twice of a number by14. What is the number?

    asked by Bam
  60. physics

    A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle. The magnitude of the force applied by each rope is 2900 newtons (N). (a) How much force

    asked by tim
  61. Algebra Check

    (d^7)/d Answer: d^6

    asked by Anonymous
  62. social

    what episode is kourtney and kims fight in miami? I know it was on kourtney and kim take miami but I don't know which episode I need this for a social analysis I have tried looking for it in episode summaries but I cant seem to find it. I know there was a

    asked by anonymous
  63. physics

    A jogger travels a route that has two parts. The first is a displacement of 2.15 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 3.95 km. (a) What is the magnitude of , and what is

    asked by timmmothy
  64. math

    a quadrilateral has two angles that measure 88 and 62. the other two angles are in a ratio of 16:19. what are the measures of those two angles?

    asked by Terry
  65. Algebra 1

    Eric and Mark were at a ball game and visited the concession stand. They each got a hamburger, and Mark got lemonade and some cotton candy. Eric had a coupon for $2 off the cost. Mark paid the rest, which came to $14.50. Cotton candy costs $5, and a

    asked by Gabby
  66. math

    It is claimed that 60 percent of households now subscribe to cable TV. You would like to verify this statement for your class in mass communications. If you want your estimate to be within 5 percent, with a 95 percent level of confidence, how large of a

    asked by jatou
  67. history

    In England, _______ housed totally destitute people at public expense and resembled the conditions of the first _______.

    asked by Victoria
  68. physics

    Vector has a magnitude of 122 units and points 37.0 ° north of west. Vector points 64.0 ° east of north. Vector points 17.0 ° west of south. These three vectors add to give a resultant vector that is zero. Using components, find the magnitudes of (a)

    asked by lawrenvce
  69. English

    In this section of the final, revise the sentences provided to correct the grammar errors indicated. (In many cases there will be more than one correct alternative to the sentence provided; credit will be given for all correct answers.) Revise the

    asked by Michael
  70. math

    how do I solve 9/12=12/_

    asked by cindy
  71. Writing and solving equations

    The number of green balls is g. The number of red balls is 3 more than the number of green balls, and the number of blue balls is 7 more that the number of green balls. If the number of blue balls is 18, how many green balls are there?

    asked by Anonymous
  72. chemistry

    A sample of nitrogen gas is confined in a 8.278 x 10-2 L container at 2.236 x 102 torr and 50 oC. How many moles of gas are present in the sample?

    asked by erin
  73. Algebra 1

    A student scored 78 and 92 on his first two quizzes. Use a compound inequality to find the possible values for a third quiz score that would give him an average between 80 and 85, inclusive. (1 point) 78

    asked by Gabby
  74. PE-check my answers

    7. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. balance coordination *** power speed 8. At the paintball field, Wynonna is always the first one on her team to be hit with the

    asked by Princess Anna
  75. Physics

    An alpine rescue team is using a slingshot to send an emergency medical packet to climbers stranded on a ledge. (height=252 m, horizontal distance=416 m, landing angle= 75° below the horizontal).

    asked by Anonymous
  76. Math

    a rectangle with an area of 200 square inches has a length and width in a ratio of 2:1. what are the length and width?

    asked by Cindy
  77. Science

    Why do you think the national weather service has standard conditions for measuring air temperature?

    asked by Alejandro
  78. PHYSICS

    Two identical teflon rods are 10 centimeters long and rubbed with fur so that they each have a total negative charge of 20 microCoulombs that is uniformly distributed along their length. They are arranged along the same axis, with their ends 5 centimeters

    asked by Ramana
  79. MATH CHECK ANSWERS

    CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2

    asked by zoey
  80. math

    Factor completely, the expression 2x^2+6x-20 I did 2(x^2+3x-10) then it can go down to 2(x+5)(x-2) Is this correct? Thanks for checking my work

    asked by B8
  81. algebra

    An oil painting is 16 years older than a watercolor by the same artist. The oil painting is also three times older than the watercolor. How old is each? Identify a variable, set up an equation, and solve.

    asked by ava
  82. Consumer Math

    1. If you divide an inheritance of $45,600.00 among 22 heirs, each heir will receive A. $2,073.72. B. $2,072.73. C. $207.27. D. $2,027.27. I choose B

    asked by shawn
  83. Math

    A book that is 13 in. tall is leaning against the edge of a wall. If the bottom of the book is 5 inches from the wall, how far up the wall is the top of the book?

    asked by Meg
  84. anon

    In a case study where the maximal rates of oxygen consumption (in ml/s) for nine species of wild African mammals were plotted against body mass (in kg) in a log-log plot, it was found that the data points fell on a straight line with the slope

    asked by Anonymous
  85. Physics

    A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 1.76*10^-11m. Determine the kinetic energy of the electron.

    asked by Anji
  86. 5th Grade Math

    Question: Each face of a prism other than the bases is what two-dimensional shape? Please help I'm really confused and need help.

    asked by Nikali
  87. Algebra

    Which is equivalent to (x^5 y^2)/(xy^2)? A. x^6 y^5 B. x^5 y C. x^4 y D. x^4 D

    asked by Anonymous
  88. physics

    according to recent typical test data, a Ford Focus travels 0.23 mi in 19 seconds, starting from rest. The same car, when braking from 59.0mph on dry pavement, stops in 141 ft. Assume constant acceleration in each part of its motion, but not necessarily

    asked by Anonymous
  89. ela

    I'm doing an essay on how author's language expresses change in character. First, I need to know how David changed from a particular event in the story David's Haircut by Ken Elkes. I want to say that David changed from the haircut or that David changed

    asked by lily
  90. Physical Science

    A 50.0-kg wolf is running at 10.0 m/sec. What is the wolf's kinetic energy? A) 5 J B) 500 J C) 5000 J D) 250 J E) 2500 J

    asked by Alex
  91. organic chemistry

    why is it that protonated pyrone have a higher pKa than protonated acetone?

    asked by Anonymous
  92. biology

    are theories temporary ideas and i don't understand the dictionary def

    asked by fd
  93. ela

    Skim the article “Cruise Control” to find the name of the bumper sticker service found in Arlington, Texas. a) 1-866-2TELLMOM b) 800-4-MYTEEN c) Big Mother d) Dad's Eyes i cant find the article just give me the link and i will find it my self please

    asked by runtafus
  94. math

    Sam's car gets 20.2 miles per gallon, and her gas tank can hold 18 gallons of gas. How many miles can sam travel if she uses all of the gas in the tank? Please round to the nearest dollar. Estimate: Calculate:

    asked by Jessa
  95. Consumer Math

    3. The product of 7/16, 4/3, and 1/2 is A. 7/24. B. 21/32. C. 2 13/48. D. 7/12. I choose A

    asked by shawn
  96. Physics

    An alpine rescue team is using a slingshot to send an emergency medical packet to climbers stranded on a ledge. (height=252 m, horizontal distance=416 m, landing angle= 75° below the horizontal). What should be the launch speed from the slingshot? What is

    asked by Anonymous
  97. math

    an open -end credit

    asked by open -end credit
  98. MATHS

    Ken had three times as many apples as papayas. After selling 160 apples and 25 papayas, he had twice as many papayas as apples left. How many fruits did he have at first?

    asked by TIM
  99. Analysis proofreading

    Hi for my analysis on The String Theory by David Wallace Foster I had to discuss 3 writing techniques the author used and give an example. Can I please get it proofread? After reading the article The String Theory, by David Foster Wallace, there were three

    asked by Blaze
  100. math

    Sue buys 2 dozen roses. Of those roses 2/3 are red and the rest are white.how many white roses did she buy?

    asked by Anonymous
  101. Finance - Annuities

    Natasha plans to deposit $4,000 per year in her account for each of the next 4 years. Thereafter, she expects to deposit $1,500 per year for another 4 years. All deposits are made at year-end. Interest rates are expected to be 8 percent for the next 2

    asked by Niki
  102. Algebra

    Which expression isn't equal to 125? A. 5((5^3)/(2/5))^2 B. ((5^3) / (5^4))^-3 C. (5^-2)/(5^-5) D. 5((5^5)/(5^3)) A What is the correct simplification of (5.4 X 10^12)/(1.2 X 10^3) written in scientific notation? A. 4.5 X 10^7 B. 4.5 X 10^9 C. 45 X 10^6 D.

    asked by Anonymous
  103. Consumer Math

    11. You purchase a shirt for $8.50. There is a 6% sales tax. Your total cost will be A. $8.98 B. $8.55 C. $13.60 D. $9.01 I choose B

    asked by shawn
  104. Algebra

    Is the following statement always, never, or sometimes true? A number raised to a negative exponent is negative. always never sometimes sometimes?

    asked by Anonymous
  105. Physics

    A stationary bicycle is raised off the ground, and its front wheel (m = 1.70 kg) is rotating at an angular velocity of 21.9 rad/s (see the figure). The front brake is then applied for 1.35 s, and the wheel slows down to 4.47 rad/s. Assume that all the mass

    asked by Sam
  106. Math

    Steve can run 3.5 miles in 30 minutes. If Steve increases his rate by 1/2 mile per hour, how far will he run in 2 hours?

    asked by Heather
  107. Physics

    A baggage carousel at an airport is rotating with an angular speed of 0.397 rad/s when the baggage begins to be loaded onto it. The moment of inertia of the carousel is 2440 kg·m2. Ten pieces of baggage with an average mass of 16.5 kg each are dropped

    asked by Sam
  108. Quick math help

    Can someone please check my math Hw? Thank you!! Solve each system by elimination. 1. 8x+7y=-1 -9x-7y=2 I got (-1,1) 2. 4x+3y=1 -4x-7y=-13 I got (2,-2) 3. -7x-6y=-21 -x-6y=-3 I got (3,0) 4. -2x+3y=-16 -2x-5y=-16 I got (8,0) 5. -7x+2y=13 -14x+4=26 I got

    asked by Anonymous
  109. English

    Can someone please help me check the grammar in the following sentences? 1) I would like to inform people about the danger (after effects?) of having a nuclear power station near our town 2) I hope you will listen to our advice. 3) Animal and plant species

    asked by Frank
  110. Anatomy & Physiology

    A person is having problems chewing. Which cranial nerve is most likely affected in this person? A. Accessory B. Trochlear C. Trigeminal D. Abducens

    asked by Diana K
  111. add maths

    2+square root 3 & 2- square root 3 Form equation ..

    asked by mandy
  112. Chemistry

    A 1.00% by mass MgSO4 solution has a freezing point of -.192°C. Water has a Kf of 1.86 (KxKg)/mol. a.) Estimate the van’t Hoff i factor from the data. b.)Determine the total molality of all solute species. c.) Calculate the percentage dissociation of

    asked by Anonymous
  113. Calculus HELP!!

    6 2 6 Let u = 4 , v = 2 , w = 2 5 3 1 Show that 2u - 3v - w = 0. Use that fact to find x1 and x2 that satisfy the equation 6 2 6 4 2 {x1} = 2 5 3 {x2} 1

    asked by Sara
  114. math

    what is the base of a parallelogram with the height 6and 5 eighths feet and area of 26 and a half

    asked by piper
  115. Algebra

    What would the solution to this system of equations be? y = x - 50 y = 0.6x I got (138.8, 83.3), but that doesn't seem right at all.

    asked by Kathy
  116. Physics

    A train moving at a constant speed of 61.0 km/h moves east for 35.0 min, then in a direction 50.0° east of due north for 10.0 min, and then west for 49.0 min. What is the average velocity of the train during this run? What is the magnitude of that

    asked by Anonymous
  117. add maths

    2+square root 3 & 2- square root 3 Form equation ..

    asked by mandy
  118. Physics

    A baggage carousel at an airport is rotating with an angular speed of 0.397 rad/s when the baggage begins to be loaded onto it. The moment of inertia of the carousel is 2440 kg·m2. Ten pieces of baggage with an average mass of 16.5 kg each are dropped

    asked by Ben
  119. Math

    Need help with this question plz it's in/output Rule is divide by 6 Input output 36 2 10 24 7

    asked by Rylei
  120. chemistry

    what is the freezing point depression of water, benzene, acetic acid, ethanol and clyclohexane?

    asked by jarlyn jane ejares
  121. Math

    What should you say if you see a tall, wrought-iron tower in Paris?

    asked by Brenda
  122. Science: Discovering Magnetism

    How is the strength of two magnetic poles related to the force between them?

    asked by Losa
  123. physical

    Finding the resultant in th x direction ,Rx and y for the following forces f1 =1,5N in the positive x direction

    asked by Anonymous
  124. Plz help. :(

    7. Select the skill-related component which is defined as the ability to combine strength and speed while you are moving. balance coordination *** power speed 8. At the paintball field, Wynonna is always the first one on her team to be hit with the

    asked by Princess Anna
  125. PHYSICS

    Two identical teflon rods are 10 centimeters long and rubbed with fur so that they each have a total negative charge of 20 microCoulombs that is uniformly distributed along their length. They are arranged along the same axis, with their ends 5 centimeters

    asked by Ramana
  126. maths

    x to the power of one and one over four divide by x to the power of one over four

    asked by minenhle
  127. physics PLEASE HELP

    1.state the mathematical relationship between the net force acting on an object and the object's change in momentum. 2state the mathematical relationship between the net force acting on an object and the time taken to change the object's momentum

    asked by OwamIII
  128. Calculus

    integrate (pi/6 & 0) (1-cos3t)(sin3t)dt

    asked by Anonymous
  129. Help_ Accounting

    A vendor reduces an item listed at $140 on July 1st by 20%, and then reduces it another 25% on September 1st. What is the sale price of the good after the last reduction? A. $77.00 B. $84.00 C. $92.00 D. $108.50 A

    asked by Angela
  130. Maths

    Daniel's watering can holds 6L of water when full. He fills his watering can 3 times from the bucket and then the bucket is empty. How much more waterdoes one full bucket hold than Daniel's full watering can? A 3L B 9L C 12L D 18L

    asked by Tim
  131. HELP- Accounting

    A baker makes 500 cream-filled eclairs at a cost of $0.72 each. He estimates that 10% of the eclairs will be sold the following day at a reduced price of $0.80 each. Find the marked price if the baker wishes to obtain a 75% markup on cost. A. $1.27 B.

    asked by Angela
  132. Help_ Accounting

    An invoice for product X totals $1,200 and is dated July 6, 2000 with terms 2/10-60X. If the invoice is paid on September 3, 2000, what is the net amount of payment? A. $912 B. $1,152 C. $1,176 D. $1,200 D

    asked by Angela
  133. Help_ Accounting

    A store receives $400 cash after offering a chain discount of 10/10/5 on a good. What was the list price? A. $492.20 B. $519.82 C. $533.33 D. $612.00 B

    asked by Angela
  134. Ms.Sue is this better?

    In the article The String Theory, by David Foster Wallace, there were three writing techniques that I noticed Wallace used. First, I think Wallace was informative and explanatory. He explained why there are some professional tennis players who are unknown

    asked by Blaze
  135. Calculus

    integrate (pi&0) sin t/(2-cost) dt

    asked by Anonymous
  136. English

    Can someone help me think of a sentence that you can reverse the words like this? Betty danced wildly around twice. Twice around, wildly, danced Betty.

    asked by jynessa
  137. Physic

    A small glass bead that has been charged to 4.4 nC? What is the strength of the electric field 2.0 cm from the center of the bead? Please show all work

    asked by Peri
  138. Physic

    a small sphere with a mass of 108.0 g is moving along the y-axis when it encounters an electric field of 5.0i N/C . If the sphere suddenly accelerates 13.0i m/s^2, what is the charge that it carries? Please explain

    asked by Jale
  139. Chemistry

    1.A patient needs 2.10×10−2g of a sulfa drug. There are 8.00mg tablets in stock. How many tablets should be given? Really need help with this! :/ Thanks -MC

    asked by mysterychicken
  140. chemistry

    why is it that protonated pyrone have a higher pKa than protonated acetone?

    asked by Anonymous
  141. Physic

    Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

    asked by Alia
  142. Physic

    Is Coulomb's law consistent with Newton's Third Law? In particular, how do F^elec A-->B and F^elec B--->A compare in magnitude? in direction?

    asked by Aliasa
  143. Physic

    In the Coulomb force equation, does the magnitude of the force increase as the distance between the charged objects decrease ? Why or why not?

    asked by Aliyaa
  144. Algebra

    Simplify (5s^-7)/(10s^-9)?

    asked by Anonymous
  145. Physic

    a small sphere with a mass of 108.0 g is moving along the y-axis when it encounters an electric field of 5.0i N/C . If the sphere suddenly accelerates 13.0i(i is the unit vector) m/s^2, what is the charge that it carries?

    asked by Asila
  146. life orientation

    what is life orientation?

    asked by lucas
  147. Physic

    if the force vector F elect A-->B is in the positive direction form the unit vector r A-->B , the unit vector must be multiplied by a negative number . where does this negative number come from in the Coulomb equation? Does this negative number indicate a

    asked by Su
  148. art

    Context Concept Content Iconography Convention Media/Medium

    asked by byron
  149. math

    What is the area of a parallelogram that has a base of 3 1/2 cm and a height of 2 1/2 cm?

    asked by Isabella
  150. Statistics

    The variance of the mathematical scores of a sample of 21 high school girls was found to be 100 and that of a sample of 25 high school boys was 169. Test the hypothesis that the scores of the high school boys are more varying that those of the high school

    asked by Anonymous
  151. math

    What is the area of a parallelogram that has a height of 0.6 cm and a base of 1.2 cm? A=1.2 cm X 0.6 cm A=0.72 cm2 Is correct?

    asked by Isabella
  152. Math

    the first aircraft has 47 more seats than the second aircraft. the third aircraft has 54 fewer seats than the second aircraft. if their total number of seats is 401, find the number of seats for each aircraft.

    asked by Anonymous
  153. physics

    a projectile is ejected from a 25 m high tower with a velocity of 40 m/s at an angle of 30 degrees to the horizontal first on Earth and then on Mars. What is the ratio of the time taken to hit the ground on Mars compared to Earth? (Assume gravity on mars =

    asked by kjean
  154. Calculus

    write and row reduce the augmented matrix to find the general solution. x + y - z = 7 2x - y - 5z = 2 -5x + 4y + 14z = 1 3x - y - 7z = 5

    asked by Amy
  155. L.A.

    What can you predict about the poem by previewing the title, subtitle, and first line of the poem “In Response to Executive Order 9066”? It will be a letter to the Japanese-American citizens in which they are told they must leave their homes. It will

    asked by Anonymous
  156. math algebra

    3 < 4 – 2x

    asked by Andrew
  157. Physics

    Find the length of a pendulum that oscillates with a frequency of 0.37 Hz.

    asked by Anonymous
  158. mathematics in english

    What time wen car driving 90km/h in the distance of 11 700km?

    asked by maxy
  159. Chemistry

    An electron transition in a single H-atom from n=3 to n=2 results in the release of a single photon. What is the wavelength of this photon in nanometers? How do I solve this?

    asked by Johnny
  160. Chemistry

    I need help with naming two complex ions 1) [Fe(H2O)4C2O4]+ 2)[Fe(C2O4)3]3-

    asked by alexz
  161. Science: Bird Project

    I'm doing a project about the Northern Oriole. It's a mini project. What's the difference between the Northern Oriole and the Baltimore Oriole?

    asked by Losa
  162. subject/verb agreement

    There is/are positive bowel sounds.

    asked by Connie
  163. Precalculus

    Let f(x)=e^x. Compute the average rate of change over the interval [ln3, ln4].

    asked by Claire
  164. Math - Ratio or Proportion (I think??)

    Hello, I'm looking for guidance on how to solve these two problems below. I think they are proportion or ratio problems, but I am not sure. 1. If 6 pounds of meat feeds 3 people for 5 days, how much meat is required to feed 5 people for 7 days? 2. If a

    asked by Gatorgirl
  165. biology

    similar abd difference between photosynthesis and cellulaR RESpiration

    asked by anonymous
  166. physics

    Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 5.5 m/s2 for 4.9 seconds. It then continues at a constant speed for 6.7 seconds, before applying the

    asked by kayle
  167. finance

    Coogly Company is attempting to identify its weighted average cost of capital for the coming year and has hired you to answer some questions they have about the process. They have asked you to present this information in a PowerPoint presentation to the

    asked by jim
  168. Math

    If n= 4, what is the value of 5n - 3? A. 2 B. 6 C. 17 D. 20

    asked by Anonymous
  169. socialstudies

    can anyone please answer these 5 before i scratch my brain out.i did the rest but these i couldn't get What marked the beginning of agriculture in the Americas ? A.Native people began raising goats. B.The !@#$%^& was invented. C.Native people began growing

    asked by zoey
  170. Health

    If you have tiny white bumps on your lips, probably caused by frequent lip biting, how can you treat it? Please help

    asked by Jacob
  171. SS

    5.How did the United States change as it became more economically independent? (Select TWO) Population decreased as trade with other nations was stifled. The growth of factories and trade led to the growth of American cities. Congress chartered the Second

    asked by Princess Anna
  172. Math

    One angle of a triangle measures 100. the other two angles are in a ratio of 3:5. What are the measures of those two angles?

    asked by JM
  173. Math

    At a certain construction site, there is a pile containing 55 tons of sand. Four trucks, each of which holds 11.4 tons of sand, are filled from this pile. How many tons of sand remain in the pile? A. 9.4 B. 16.2 C. 20.8 D. 32.2 E. 43.6

    asked by Neil
  174. Chem

    How do I determine the percent of a compound in an impure sample?

    asked by Anonymous
  175. ms1998

    On a windless day, a bird can fly at a constant 10 m/s. It flies 6.0km east and then home again. How much time does the round trip take? I keep getting 600 seconds, but my teacher still tells me it's wrong.

    asked by Math
  176. Language arts 7th grade (gapp)

    Can someone help me create a conclusion on the topic "Should baseball players found guilty of using steroids be allowed in the Hall of Fame?". My opinion is that they shouldn't be allowed into the Hall of Fame if found guilty. What if have so far- Though

    asked by Anonymous
  177. algebra

    the total was 29.00 after adding a 4,00 tip to the bill for a family of five, each of whom ordered a hot dog. what was the price of a hot dog?

    asked by help pls!
  178. Math

    Chad buys peanuts in 2 pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2 pound bags of peanuts should chad buy so that he can fill 5/6 pound bags without having any peanuts left over?

    asked by Peter
  179. socialstudies(CHECK ANSWERS)

    1. What marked the beginning of agriculture in the Americas? A. Native people began raising goats. B. The !@#$%^& was invented. C. Native people began growing maize.(I PICK THIS) D. The Spanish arrived. 2. Aztec aqueducts were an important accomplishment

    asked by zoey
  180. Physics

    What is the net force exerted by these two charges on a third charge q 3 = 45.0nC placed between q 1 and q 2 at x 3 = -1.145m ? Your answer may be positive or negative, depending on the direction of the force. Express your answer numerically in newtons to

    asked by James
  181. physics

    Three charges are fixed in the x−y plane as follows: 1.5nC at the origin (0, 0); 2.6nC at (0.65m , 0); –1.8nC nC at (0, 1.50m ). Find the force acting on the charge at the origin. Express your answers using two significant figures. Enter the x and y

    asked by James
  182. math---help! 1 question

    pls help me! 21. Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of solutions. (3 points)

    asked by TTR+S<3
  183. physics

    Two small charged balls have a repulsive force of 0.20N when they are separated by a distance of 0.90m . The balls are moved closer together, until the repulsive force is 0.58N . How far apart are they now? Express your answer to two significant figures

    asked by James
  184. math

    Kim decided she want to put a continuous trim along the top of the walls around the 10 ft. by 10 ft. rectangular room. How long a piece of trim must she buy?

    asked by Catherine
  185. physics

    What is the magnitude of the electric field a distance 3.0mm from an electron? Express your answer to two significant figures and include the appropriate units

    asked by James
  186. Calculus

    the legs of a right triangle have lengths a and b satisfying a + b =10. which values of a and b maximize the area of the triangle?

    asked by Anonymous
  187. math

    Louis has 7 1/2ft of red ribbon. How many red bows can he make using 3/4ft pieces of ribbon for each bow?

    asked by gio
  188. physics

    a block with a velocity 4m/s slides 8m across a rough horizontal floor before coming to rest.the coefficient of friction is.

    asked by kelly
  189. Math help

    -7x+2y=13 -14+4y=26 Is this no solution? (0,0)

    asked by Anonymous
  190. Physics

    A pilot flies a plane at a speed of 600 km/h with respect to the surrounding air. A wind is blowing to the northeast at a speed of 100 km/h. In what direction must the plane be aimed so that the resulting direction of the plane is due north?

    asked by Anonymous
  191. Grammar

    Tell whether the underlined word in each sentence is reflexive or intensive. 1. Jill read (herself) a story after supper. 2. Her parents (themselves) had encouraged her. 3. They said, "If you children want to play, you will have to see to it (yourselves).

    asked by Anonymous
  192. vectors

    In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he is blown along the following straight lines: 2.5 km 45° north of west; then 4.70 km 60° south of east; then 5.1 km straight

    asked by Melissa
  193. socialstudies(CHECK ANSWERS)

    modern mexico check answers 7. Which of the following was largely responsible for the Mexican Revolution? A. separation from Spain B. the overthrow of Maximillian(I PICK THIS) C. widespread poverty D. lack of women's rights 9.Why did the Mexican Revolution

    asked by zoey
  194. Math 5th

    Val walks 2 3/5 miles each day. Bill runs 10 miles once every four days. In 4 days who covers more distance?

    asked by Kerry
  195. maths

    A coin box contained some twenty-cent and fifty-cent coins in the ratio 4 : 3. After 20 twenty-cent coins were taken out to exchange for fifty-cents coins of the same value and put back in the box, the ratio of the number of twenty-cent coins to the number

    asked by Tim
  196. HELP- Accounting

    A store receives $400 cash after offering a chain discount of 10/10/5 on a good. What was the list price? A. $492.20 B. $519.82 C. $533.33 D. $612.00 A

    asked by Angela
  197. Literature

    In "The Birds" by Daphne Du Maurier, what important news is revealed through the broadcast?

    asked by Anonymous