Questions Asked on
October 12, 2015

  1. Science Urgent😖😖😖

    Why most organisms reproduce A( organisms must reproduce to maintain genetic similarity in the species B( organisms must reproduce to continue to build genetic diverse city into the species C( organisms must reproduce to continue the species D( organisms

    asked by Jirehn
  2. Physics

    A ball of mass 0.4 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker's foot is 17 m/s at angle of 35 degree above the horizontal. The top of the fence is 3 m

    asked by Luma
  3. Accounting

    In its first month of operations, Giffin Company made three purchases of merchandise in the following sequence: (1) 260 units at $5, (2) 360 units at $7, and (3) 460 units at $8. Assuming there are 160 units on hand at the end of the period, compute the

    asked by Allie
  4. maths

    a man bought 360 eggs at rs 12 per dozen. 60 eggs were broken and 30 were rotten. find his profit and loss percent . if he sells the rest of the eggs at rs 15 per dozen.

    asked by shehzad
  5. physics

    if you use a horizontal force of 30 N to slide a 12 kg wooden crate across a floor at a constant velocity, what is the coefficient of kinetic friction between the crate and the floor?

    asked by carly
  6. Math

    a. Do some research and find a city that has experienced population growth. Determine its population on January 1st of a certain year. Write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a

    asked by Cozy
  7. math

    Find conditions on k that will make the following system of equations have a unique solution. To enter your answer, first select whether k should be equal or not equal to specific values, then enter a value or a list of values separated by commas. Then

    asked by Excel
  8. social studies

    what resource first drew european traders to canada? AND I WANT THE RIGHT ANSWER!

    asked by k
  9. Math Decimals

    Jason has 4 tiles. Each tile has a number printed on it. The numbers are 2,3,6, and 8. A decimal number is formed using the tiles and the clues. Be a math detective and find the number. Clues: digit in tens place is the greatest number. digit in tenths is

    asked by Ana
  10. Math

    A football is punted into the air and it's height is given by the equation, h(t)=-4.9t^2 + 24.5t + 1 a)how high is it after 1 second? b)how long does it take to reach it's max height? c)what is it's max height? d)how long does it take to hit the ground?

    asked by Basil
  11. geometry

    There are two noncongruent triangles that have a 9-inch side, a 10-inch side, and that enclose 36 square inches of area. Find the length of the third side in each of these triangles.

    asked by Nico
  12. math (stats)

    Find the z scores that separate the middle 59% of the distribution from the area in the tails of the standard normal distribution.

    asked by bee
  13. Geometry

    What is a counterexample of the following conjecture? Conjecture: Any number that is divisible by 3 is also divisible by 6 36 27 23 18 Is it C, 23? A little confused:p Please help? Thanks

    asked by SkatingDJ
  14. social studies

    In which order (first to last) were the following countries invaded by britan? 1(Sudan; south Africa; Tanzania 2(south africa; sudan; tanzania 3(tanzania; sudan; south africa 4(tanzania; south africa; sudan

    asked by jirehn bush
  15. Mathematics

    Given that 4,p,q,13 are consecutive terms of a a.p find the value of p and q

    asked by Sulaimon yusuf
  16. math

    Express the ratio as fraction 21 : 7/9

    asked by Waseem
  17. Mathematics

    The 8th term of a linear sequence is 18th and 12th term is 26.find the first term and the common difference and 2th term

    asked by Sulaimon yusuf
  18. math

    Ms. Handler walks to work at an average speed of 5 kilometers per hour. If she increases her speed to 6 kilometers per hour, she will save 10 minutes. Find the distance she walks.

    asked by Rob
  19. Physics

    A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +3.2. What is the magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror? If the object is

    asked by Anonymous
  20. Chemistry

    According to the balanced equation below, how many moles of KBr will be made from 30.0 mL of 1.00 M HBr solution? HBr(aq) + KOH(aq) --> H2O(I) + KBr(aq)

    asked by Minset
  21. Physics

    A colony of troglodytes has been in a lengthy feud with its neighbors on the adjacent cliff. Colony A finally develops an important military breakthrough: it rolls bombs off its cliff at known rates of speed, thus gaining pinpoint accuracy in its attacks.

    asked by Luma
  22. 8th Grade Pre-algebra

    3. Select all of the numbers that are correctly written in scienctific notaton A)42 x 10^5 B) 1.1 x 10^4 C) 7.0 x 20^4 D) 6.01 x 10^-4 E) 18.0 x 10^3 4. Simply (2.0 x 10^4)(3.0 x 10^3) A)6.0 x 10^7 B) 6.0 x 10^12 C) 6.0 x 10^5 D) 6.0 x 10^43 5. (7.0 x

    asked by Shelby J.
  23. Math

    Is the equation true, false, or open? 5x+2=6x+11 a. Open; there is a variable b. True; the expressions are the same for all values of the variables c. False; the expressions are never the same

    asked by Kaai97
  24. Chem 225

    Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium based on 300 mmol of acetic acid and 150 mmol of isopentyl alcohol as starting quantities. Use equilibrium constant of 4.2 for this calculation.

    asked by Dee-Dee
  25. algebra

    the floor plan of a room has a scale of 2.5 in.:32ft. in the drawing,the length of the room is 8in.and the width of the room is 6 in. what is the perimeter of the actual room? i think is 392 ft or help

    asked by pizza7
  26. Math

    What is the Distributive Property?

    asked by Grace
  27. Physical Science

    If a skydiver has a forward velocity of 40 m/s, what is the forward velocity after one second? What is the downward velocity after one second?

    asked by Robert
  28. math

    The scale for a map says that 1 cm is equal to 25 miles. Jennifer measures the distance between two cities as 4.5 cm. How far apart are the cities?

    asked by kj
  29. Logarithm help

    use logarithm to solve A car depreciated at 15% per year. How long is it until it is worth half the original value?

    asked by Bobby Funtimes
  30. phyisics

    A car travels 28 m [E 35° S] and then turns and travels 45 m [S]. the whole motion takes 6.9s. what is average velocity? answer: 9.5m/s [E 69° S] How do i find the displacement to find V if its not a right triangle

    asked by Matty
  31. History

    Could someone check my History questions? Please? My answers are under the questions... 1) Base your answer to the question on the statement below and on your knowledge of social studies. … The whole military force of the State is at the service of a Mr.

    asked by Abby
  32. Math

    1. Is the equation true, false, or open? 5x+2=6x+11 a. Open; there is a variable b. True; the expressions are the same for all values of the variables c. False; the expressions are never the same 2. Which equation is an identity? a. 8-(5x+2)=-5x-6 b.

    asked by Shaghayegh
  33. Physics

    A girl delivering newspapers travels 3 blocks west, 3 blocks north, then 6 blocks east. What is the magnitude of her resultant displacement? Answer in units of blocks.

    asked by Luma
  34. Calculus

    The altitude attained by a model rocket t seconds into flight is given by the equation: -t^3+3t^2+20t-3 where t is greater than or equal to 0 seconds. find the maximum altitude attained by the rocket. first I found the derivative of the original equation

    asked by Michelle
  35. Math

    During a soccer game, Erin scorded 1 out of 2 goals attempted. Lauren scored 6 out of 8 goals attempted. write the fraction that represents each and compare who was the most successful I think it was lauren because Erin only hit half and Laurn hit more

    asked by AABBCC
  36. Chemistry

    When 22.3 mL of 1.00 M AgNO3 is mixed with 21.7 mL of 1.50 M NaCl, the temperature of the mixture rises for 21.6 degrees C to 29.7 degrees C. The mass of the aqueous mixture is 45.9 grams and its specific heat capacity is 3.94 J/grams degrees C. I

    asked by Sarah
  37. Physics

    A car traveling at 40 m/s runs out of gas while traveling up a 7.0 ∘ slope How far will it coast before starting to roll back down?

    asked by raquel
  38. English

    What is your opinion on the article by Andrew Lam; They Shut the Door on My Grandmother.

    asked by jennifer
  39. Chemistry

    Tums tablets contain CaCO3 that reacts with stomach acid as follows: CaCO3 (s) + 2HCl (aq) → CaCl2 (aq) + H2O (l) + CO2 (g)  Suppose the tablet was analyzed by adding 50.00 mL of 0.200 M HCl, which resulted in leftover excess HCl. The excess HCl was

    asked by CHIPNDALE
  40. Physics

    Identical +2.83 μC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be fixed to one of the empty corners, so that the total potential at the remaining empty corner is 0 V? φ =k•q/r φ1+ φ2 + φ3 =0

    asked by james
  41. Math Pre-Algebra HELP

    1. Point E (0,-2) is a vertex of square DEFG. After a 90° clockwise rotation of the square about the origin, which of the following is the location of E ? A) (-2,0) B) (2,0) C) (2,2) D) (0,2) 2. Point is a vertex of triangle D(-3,5). After a rotation of

    asked by my name is A
  42. Chemistry

    What volume of 0.149 M HCl must be added to 1.00x10^2 mL of 0.285 M HCl so that the resulting solution has a molarity of 0.205 M? Assume that the volumes are additive.

    asked by Faith
  43. Physics

    A 60 kg is pushed 12m across a horizontal floor by a horizontal force of 200N. The coefficient of kinetic friction is 0.3. How much work went into overcoming friction and how much work went into accelerating the box.

    asked by Ali
  44. Science

    A hypothetical element has two main isotopes with mass numbers of 56 and 59. If 61.00% of the isotopes have a mass number of 56 amu, what atomic weight should be listed on the periodic table for this element?

    asked by Sarah
  45. Physics

    Determine the stopping distances for a car with an initial speed of 93 km/h & human reaction time of 0.80 s, for an acceleration a=−4.0m/s2.?

    asked by Kelly
  46. functions and trig

    write the transformation of X cubed if it is shifted right four units and then reflected over the X axis

    asked by sarah
  47. st joseph

    show that the circle x^2+y^2-6x+4y+2=0 and x^2+y^2+8x+2y-22=0 are orthogonal

    asked by kamau
  48. English grammar

    The sky is blue after a heavy rain or the sky is bluer after a heavy rain . Which one is correc

    asked by nusrat
  49. Montwood Middle school

    What is 4/3,-0.09,1.3,85%,-3/8 ordered like in ascending order?

    asked by Ashley
  50. Math

    Solve the following equation u+2=4 The question for me is how do I solve these types of problem. I already know that u=2, but I need to know the steps to get to the answer. Thanks, Kaai97

    asked by Kaai97
  51. physics

    A 56-kg rollerblader skates across a skating rink floor. The graph below shows the net external force component F cos è along the displacement as a function of the magnitude of the displacement d. Determine the Following: (a) work done by the net force

    asked by John
  52. Chemistry

    Imagine that you have a 7.00 L gas tank and a 4.50 L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 136 bar , to what

    asked by Emily
  53. Physics

    An object is placed to the left of a lens, and a real image is formed to the right of the lens. The image is inverted relative to the object and is one-half the size of the object. The distance between the object and the image is 95 cm. (a) How far from

    asked by Anonymous
  54. Health

    It is better for you to avoid intence felling of grief. True or false. I believe it is True

    asked by China one
  55. Math

    Which equation is an identity? a. 8-(5x+2)=-5x-6 b. 7z+10-z=8z-2(z-5) c. 8m-4=5m+8-m d. 6y+5=6y-5

    asked by Kaai97
  56. Math

    Simplify the expression 9 + 10h + -5h = 0 Please show steps

    asked by Jason
  57. Chemistry

    A student determines the freezing point of a solution of 1.96g of naphthalene in 25.64g of paradichlorobenzene(PDB). The following temperature-time reading are recorded. PDB/Napthalene Time(Min) 0 0.5 1.5 2 2.5 3 3.5 4 4.5 Temp(°C) 59.7 58.0 54.8 53.4

    asked by Lisa
  58. Science - Physics

    Find the x-component of vector v⃗ = (310 m/s , 45 ∘ above +x-axis).

    asked by Shiv
  59. Math

    What is the distributive property of (5*600)+(5*400)?

    asked by Grace
  60. math

    A car can travel 436 miles on 17 gallons of gas. How far can it go on 22 gallons of gas?

    asked by lee
  61. Physics

    Tammy leaves the office, drives 21 Km due north, then turns onto a second highway and continues in a direction of 31 degree north of east for 87 Km. What is her total displacement from the office? Answer in units of Km.

    asked by Luma
  62. Multi-cultural Psychology

    “I do exercise but the result is not satisfactory to me although I followed a good diet, exercise routine, etc. What could be the reason?” This is what form of reasoning? A. Empirical reasoning B. Motivation C. Informal reasoning D. Formal reasoning

    asked by Pat
  63. Math

    What is the result if you multiply a number of cups by 8 fluid ounces over 1 cup and then multiply the result by 1 cup over 8 fluid ounces?Give an example.

    asked by Destiny
  64. Louisiana History

    Please help!!! 1. What set the steamboat apart from the flatboat and the keelboat? a) The steamboat was inexpensive to build. b) The steamboat could go back upriver with ease.*** c) The steamboat has a slow and easy ride. d) The steamboat could only

    asked by Jessica
  65. Physics

    A particle rotates in a circle with centripetal acceleration a = 8.8 m/s2 . What is a if the radius is doubled without changing the particle's speed? What is a if the speed is doubled without changing the circle's radius?

    asked by Shiv
  66. Physics

    Can anyone help me here? I have no idea where to start! Light in a vacuum is incident on a transparent glass slab. The angle of incidence is 35.1°. The slab is then immersed in a pool of liquid. When the angle of incidence for the light striking the slab

    asked by Anonymous
  67. math

    For every boy taking classes at the music school , there are 3 girls who are taking classes at the school . if there are 128 students taking classes , write and solve a proportion to predict the number of girls taking classes at the school

    asked by kimberly
  68. Physics

    A pelican flying along a horizontal path drops a fish from a height of 3.3 m. The fish travels 8.2 m horizontally before it hits the water below. What was the pelican's initial speed? The acceleration of gravity is 9.81 m/s^. Answer in units of m/s. If the

    asked by Luma
  69. Physics

    One of the fastest recorded pitches in major-league baseball, thrown by Nolan Ryan in 1974, was clocked at 96.8 mi/h. The acceleration of gravity is 32 ft/s^. If a pitch were thrown horizontally witha velocity of 96.8 mi/h, how far would the ball fall

    asked by Luma
  70. chem

    A 1.27-g sample of a mixture of AgNO3 and NaNO3 is treated with excess Na2S(aq). The precipitate is filtered off, dried and weighed. The dried precipitate weighs 0.46 g. What is the percentage by mass of NaNO3 in the original mixture?

    asked by martha
  71. NON PROFIT ACCTNG

    Three accountants started talking about hospitals. One said he was treated at a not-for-profit hospital, another said she was treated at a county hospital, and the third said he had just returned from the hospital run by the U.S. Veterans Administration.

    asked by Anonymous
  72. PHYSICS

    A car travels at a constant speed around a circular track whose radius is 2.82 km. The car goes once around the track in 364 s. What is the magnitude of the centripetal acceleration of the car?

    asked by Anonymous
  73. Chemistry

    A student determines the freezing point of a solution of 1.96g of naphthalene in 25.64g of paradichlorobenzene(PDB). The following temperature-time reading are recorded. PDB/Napthalene Time(Min) 0 0.5 1.5 2 2.5 3 3.5 4 4.5 Temp(°C) 59.7 58.0 54.8 53.4

    asked by Lisa
  74. Multi Cultural Psychology

    Nathan is a type of learner where he can discuss what he knows about a topic, predict content, or look at and listen to related material. This is a reflection of what type of learner? A. Formal reasoning B. Field-dependent style C. Nativist view D.

    asked by Pat
  75. College Algebra

    A train leaves New York for Boston, 200 miles away, at 3:00 P.M. and averages 70 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and averages 55 mph. At what time will the trains meet? (Round to the nearest minute.)

    asked by Sarah
  76. Computer litericy

    where did the internet originate?

    asked by Sidney
  77. math

    6f below zero it went 13f above zero how many degree f did temperature rise

    asked by Beatrice
  78. math

    two pair of shoes and four pairs of sock cost 109,and three pairs of shoes and five pairs of socks cost 160 .Find the cost of pair of the sock

    asked by radilyn
  79. physics

    A container holds 1.9 mol of gas. The total average kinetic energy of the gas molecules in the container is equal to the kinetic energy of a 8.0x10-3 kg bullet with a speed of 960 m/s. What is the Kelvin temperature of the gas? do I use the formula? T=

    asked by james
  80. math

    A ball is dropped from the roof a building which is 256 m high. The height h of the ball at any instant t is described by h(t) = – 16t2 + 256 Find i) Instantaneous velocity of ball at t = 3 seconds ii) The time taken by ball to reach the ground level.

    asked by malik
  81. Mabel hill, physics

    Two force,3N and 4N act on a body in the direction due north and east respectively. Calculate their equilibrium?

    asked by Gift
  82. College Algebra

    The monthly cost in dollars from producing x units of an item is given by the cost function C(x)=2x^2-160x+18400. How many units will result in the minimum cost? I do not know how to start this problem. Thank you for your help!

    asked by Hannah
  83. U.S. History

    How did Americans' opinions on overseas expansion begin to change in the 1800s?

    asked by Victoria
  84. Math

    Translate two thirds of the sum of r and 9 plus the product of 8and s

    asked by Hannah
  85. Math

    Parking in a student lot cost $2.00 for the first half hour and $1.75 for each hour thereafter. A partial hour is charged the same as a full hour. What is the longest time that a student can park in this lot for $8.00.

    asked by Susan
  86. AP Chem

    Hey guys! Thanks for any help in advance! I'm back with this problem: Calculate the percent dissociation for a 1.00 × 10-6 M solution of HCN at 25 °C. Ka = 4.90 × 10-10. So my question really is do I have to use water when I calculate the percent

    asked by Allie
  87. Math

    Biruk wants to buy a book for $15.25 and a book for $4.85. He wants to pay with one $20.00 bill. Use estimation to decide whether this is reasonable or not. Explain what place value to round for an estimate this is useful in this situation.

    asked by Grace
  88. chemistry

    how much oxygen gas wil be produce from the decomosition of 50 grams of pottasium chlorate

    asked by JC
  89. 5th grade Math

    Is the Distributive Property of (5*600)+(5*400) (600+400)5? I'm not really sure...please help...

    asked by Grace
  90. Math

    a gift store owner used 9 rolls of wrapping paper to wrap his customers' gifts last week. each roll was 58 1/3 inches long. how many gifts did he wrap if a 8 1/3 inch long piece of wrapping paper was used to wrap each gift?

    asked by Nicole
  91. Math

    Height of a Projectile. The height of a projectile is described by the equation: s(t)=144t-16t^(2) Where t is in seconds and s(t) is the height of the projectile at time t. Find when the projectile hits the ground.

    asked by Ashley
  92. math

    is X cubed symmetric about the x-axis, Y axis, the origin, or none?

    asked by danielle
  93. Physics

    A bird wants to rech its nest that is located 53 meters (35 degrees south of west) from where it is perched. If the maximum speed that the bird can fly with respect to the air is 12m/s and there is a wind blowing from a direction of east 35 degrees south

    asked by Carla
  94. math101

    Solve for x. The solutions in interval notation are of the form (a, b). State a. (Enter an exact number.) abs(3 x + 15) < 30

    asked by janae
  95. math

    Find the z-score such that the area under the standard normal curve to the left is 0.53.

    asked by bee
  96. Physics

    A body moving with uniform acceleration has a velocity of 16.9 cm/s when its x coordinate is 3.1 cm. If its x coordinate 3.18 s later is -4.72 cm, what is the x-component of its acceleration?

    asked by Destiny
  97. urgent physics help

    when the full moon directly overhead the angle from one edge of the moon to the other is measured to be 0.6970 if the diameter of the moon is 3650 km how far is it from the moon

    asked by Anonyomous
  98. Algebra 2

    How would I go about solving the following problem? There were different questions with matrices in them, but this one was different from the others. For the matrix product [ -5 , 3 ][ 6 , -3 ] p = [ 2 , -2 ][ 4 , -3 ], determine the expression that gives

    asked by Michaela
  99. Physics

    A fireman, 43.7 m away from a burning building, directs a stream jet of water from a ground level fire hose at an angle of 31.3 degree above the horizontal. If the speed of the stream as it leaves the hose is 44.1 m/s, at what height will the stream of

    asked by Luma
  100. history

    the Continental Army and blank were no match against the large number of British soldiers who landed on blank

    asked by donna
  101. Chemistry

    I am told to find the "Total heat capacity of the system in the Calorimeter" All I have is this equation: Csys=Ccal+Csol What is this Csys? and how do I figure out how to use this equation? Thankyou

    asked by Adam
  102. Math

    / - fraction sign, not a division sign Solve the following equation -4=7/33x a. x=132/7 b. x=-132/7 c. x=-7/132 d. -33/28

    asked by Kaai97
  103. Algebra 2

    Solve each system 6x-2y=10 3x-2=y

    asked by Sam
  104. math

    find tha equation of a line which is parallel to the line 2x-3y=8 whose y-intercept is 5 units

    asked by slopes
  105. University of Papua New Guinea

    Give equations with reaction conditions to show direct esterification methods for the production of A) isopropyl butanoate B) ethyl- 2-methylpropanoate

    asked by Esther
  106. chem

    Please give the complete mechanism for the acid catalyzed addition of methanol to 3 - methylbutene

    asked by jose
  107. Physics

    The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 10-8 Ù·m). The light bulb is plugged into a 120-V outlet and draws a current of 2.36 A. If the radius of the tungsten wire is 0.00464 mm, how long must the wire be?

    asked by james check please
  108. gov Ms.Sue

    Under which condition would a plurality vote result in the winner receiving less than a majority of the votes cast (i.e. less than 50% of the votes cast)? Choices: Never, Always, When there are only 2 candidates, when there are more than 2 candidates. Is

    asked by Adam
  109. physics help

    The distance between the midponts of two metal balls.P and Q,respectively of masses 55 kg and 70 kg is 80 cm calculate the gravitational force that P exerts on Q7 (b)give only the magnitude of the force that Q exerts on P (c)if Q Is now replaced by a ball

    asked by kem
  110. Math 208 (Linear)

    a person purchased a $142,819 home 10 years ago by paying 15% down and signing a 30-year mortgage at 10.5% compounded monthly. Interest rates have dropped and the owner wants to refinance the upaid balance by signing a new 15-year mortgage at 6.3%

    asked by James
  111. History

    Could someone check my History questions? Please? My answers are under the questions... 1) Base your answer to the question on the statement below and on your knowledge of social studies. … The whole military force of the State is at the service of a Mr.

    asked by Abby
  112. 8th grade pre-algebra

    Can you check the following questions,please? Simplify 30. (-2y)^0/(3x^2)^-3 = 1/(3^-3)(x^-6) = 1/-27x^-6 = 27x^6 42. (-7x^5/14y^3)^3 = (-1^3)(x^15)/(2^3)(y^9) = (-1x^15)/8y^9

    asked by Alexis
  113. Physics

    What is the magnitude of the vertical component of velocity of the plane? Answer in units Km/h

    asked by Luma
  114. English

    I am looking for help. I have read this article on They Shut the door on My Grandmother; By Andrew Lam

    asked by jennifer
  115. math

    Find the absolute maximum and the absolute minimum value, if any of: f(x)= (-1x^2/8)+4x+3 on the interval (0,9)

    asked by Michelle
  116. Physics

    An artillery shell is fired at an angle of 26.8 degree above the horizontal ground with an initial speed of 1720 m/s. The acceleration of gravity is 9.8 m/s^. Find the total time of flight of the shell, neglecting air resistance. Answer in units of min.

    asked by Luma
  117. Physics

    An autographed baseball rolls off of a 0.59 m high desk and strikes the floor 0.10 m away from the desk. How fast was it rolling on the desk before it fell off? The acceleration of gravity is 9.81 m/s^ Answer in units of m/s.

    asked by Luma
  118. Maths

    Coordinate Geometry A=(7,4) B=(2,0) Gradient of AB = 4/5 Equation of AB in ax+by=0 for is 4x-5y-8=0. The length of AB in surd form is root41. The point C has coordinates (2,t), where t>0 and AC=AB. a) find the value of t. b) without plotting point, find

    asked by Anonymous
  119. isds

    The optimal total shipping cost in a minimization transportation model is $622, and the reduced cost from source node 1 to destination node 6 is $6. This implies that if one were to deviate from the optimal solution by shipping one unit from node 1 to node

    asked by mca
  120. gov

    How many votes does each state have in the Electoral College? is equal to number of members the state has in congress Just checking if this is correct.

    asked by Adam
  121. Physics

    An Object moves along x-axis such that its position varies with time according to the relation x=50t-5t^2.Here x is in meters and t in seconds.Average Speed between t=0 to t=6s.

    asked by Jeet Shah
  122. Math

    Vehicle can travel 0-60mph in 7.6 sec. From a dead stop, what is the highest rate of speed vehicle can reach and decelerate to 10mph in 500 ft distance?

    asked by Robin
  123. math

    the coordinate (2 -4) is located in which quadrant in the coordinate plane

    asked by brooke
  124. science

    I have an essay about landforms on Friday what are some ideas?

    asked by Derick
  125. anonymous

    In a class 80% students passed in sst ,85% in math ;75%in both subjects .if 40%students failed in both subjects .tell total number of students

    asked by Anonymous
  126. daffodils grammar school

    Math The mass of 3dictionaries and 2textbook is 8kg

    asked by alihaider
  127. Physics

    A truck travels beneath an airplane that is moving 140 Km/h at an angle of 15 degree to the ground. How fast must the truck travel to stay beneath the airplane? Answer in units of Km/h.

    asked by Luma
  128. modern geometry

    Construct the locus of all points (in one half plane) from which the given segment (that you draw) is seen by: a. 120 degrees b. 105 degree I've tried following steps in my textbook but I'm struggling.

    asked by haley
  129. SS

    What does it mean for citizens to exercise political power?

    asked by Anonymous
  130. Math

    Find the absolute maximum and the absolute minimum value, if any of: f(x)= -1x^2/8+4x+3 on the interval (0,9)

    asked by Michelle
  131. History

    Which of the following would not be an example of a vectored disease? A. HIV/AIDS has ravished many people in Sub Sahara Africa B. Malaria has affected many people in Southeast Asia C. Yellow Fever has destroyed the lives of many people in the Caribbean D.

    asked by Anonymous
  132. algebra 2

    what is the domain in interval notation when the restrictions are x cannot = 2 and x cannot = -2? I got (-infinity, 2) U (2,-infinity) (-infinity, -2) U (-2, infinity) but my math teacher marked this as wrong

    asked by marcus
  133. Enlish

    Which rhetorical device would it be if the author is trying to show hope for the audience by showing a nice sky in the background.

    asked by Adam
  134. Physics

    A 64-kg boy and a 49-kg girl use an elastic rope while engaged in a tug-of-war on an icy frictionless surface. If the acceleration of the girl toward the boy is 3.8 m/s2, determine the magnitude of the acceleration of the boy toward the girl.

    asked by Chuck
  135. Math

    1 over 8 to the 9th power

    asked by Student 1
  136. Forest nrook

    I have tiles that Re 1 inch by 1 inch squares. If I use them toale rectangle that is 16" long and 6" wide, how any tiles will she use?

    asked by Bubba
  137. Physics

    An Object of mass 7 kg is pushed along a surface up to a velocity of + 10 m/s before it is let go. It then slows to a stop due to an 11-N frictional force. How long until it comes to a stop?

    asked by Erin
  138. Math

    Aba +bab ______ Ccc All posible values for a b and c

    asked by Sydney
  139. business econ

    What is the break even in units? Bottle, Label and Production (direct material and labor) = $9.12 per 12 oz. can Advertising & promotion (fixed) = $218,000 Company Overhead (fixed) = $354,000 Formula I'm using: Breakeven in units (BEU)= total fixed cost /

    asked by Kelly
  140. physics

    A 25-kg bullet traveling shoots into a physics textbook that is 3.5 cm wide, and exits the textbook traveling 40 m/s. Poor defenseless textbook! (A) What was the magnitude of the average deceleration of the bullet while it was penetrating through the

    asked by Tiara
  141. Math

    1.)What is the difference between I-3I & -3?

    asked by Douglas
  142. chemistry

    what does this mean: is (a molecule) sigma or pi in symmetry? the molecule in question is c triple bond c. ....it has 2 pi bonds and 1 sigma bond....which is symmetrical?

    asked by paul
  143. Physics

    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 4.8 m waterfall. The spy's speed is 13 m/s and the officials' speed

    asked by Luma
  144. Physics

    A baseball is hit off the edge of a cliff horizontally at a speed of 30 m/s. It takes the ball 3 seconds to reach the ground, with no air resistance. How high is the cliff wall?

    asked by Francesca
  145. math

    Could someone please show me what I did worng in my math questions? any help will be greatly appreciated! I put my teachers response under the questions 4. Solve: 5|2x + 1 | = 55 Divide both side by 5: |2x+1|=11 2x+1=11 and 2x+1= -1 +1 +1 +1 +1 2x = 12 2x

    asked by Abby
  146. History

    What are the positive effects that industrialization had on the people of Europe?

    asked by Daniela
  147. Math

    Which equation has no solution? a. 3x-5=3x+8-x b. 4y+5=4y-6 c. 7z+6=-7z-5

    asked by Kaai97
  148. English

    is it possible to use was after did?

    asked by Rabinprakash Dahal
  149. Math

    How can Steve add 48+34 by making a ten what is the sum

    asked by Anonymous
  150. Chemistry

    1.how many total oribitals are present in quantum #1 2. How many electrons are possible in quantum level 1 3. How many total or initials are present in quantum level 3

    asked by Sam
  151. geography

    Horace Greeley said to go in this direction from this latitude line 85 degrees West, Go 136 feet

    asked by Tonya
  152. math

    Rebecca has a lanyard that is 16.4 inches long. She cuts the lanyard in 3.5 inch pieces. How many whole pieces did she cut?

    asked by Jaime
  153. present and past perticiple

    The lion basking in the sun looked sleepy

    asked by annie
  154. present participle or past participle

    1. the baking bread looked delicious. 2. devoted soccer fans are looking forward to the season. 3. frozen blue berries are his favourite desert. 4. walking slowly the dog stretched his legs. 5. examined by a doctor, his wound will heal soon

    asked by annie
  155. Chemistry

    What is the pH of a 0.0050 M solution of sodium fluoride? I got 7.58 for pH. Is it correct? but I try to plug in my quadratic formula, I don't get the pH 7.58. I'm really confuse. Please help.

    asked by Matt
  156. Physics

    A 1300 kg El Camino is parked on a 20 degree hill.(20 degrees above x axis)The driver of the El Camino returns, starts the car, and accelerates up the hill at 2 m/s^2. Find Sigma-Fx and Sigma-Fy. What is the normal Force acting on the car, and what is the

    asked by Jose Luis
  157. MATH

    Find the average rate of change of f(x)=2x2−7 between each of the pairs of points below. Between (3,11) and (6,65) Between (b,m) and (s,u) Between (x, f(x)) and (x+h, f(x+h))

    asked by Mary
  158. Math

    Find two consecutive even integers such that the sum of the larger and 3 times the smaller is 234. I don't get how to put it as in equation.

    asked by Ally
  159. math 3 grade

    dad ask what you know about patterns when you multiply by ten. write to explain the pattern , how to use it, and how to know you were right. Use your age as one factor and 10 as other factor

    asked by tamm
  160. applied mechanics

    The resultant of two equal forces acting at a point also equal to p determine the angle between two forces

    asked by kathan
  161. math functions

    what is f(x) - g(x) when f(x)=3x-3 and g(x)=x^2-4

    asked by anne
  162. English Grammar (cover letter)

    Is it all right to use the two verb tenses in the following sentence when writing a cover letter? I developed communication skills as an Assistant at Oakly Inc., catering to the needs of my supervisor and assisting at the front desk.

    asked by Rema
  163. math

    For every 3 classes in the intermediate grades, there are 5 teachers. How many teachers are there for 15 classes.

    asked by franz
  164. Math

    A, find domain each function, locate any intercept, also based on graph find the range and ? F(x) 2x of x not equal to zero

    asked by Abel
  165. statistics

    a bag contains 10 red balls and 7 blue balls.a ball is drawn at random.the probability that ball drawn is red is

    asked by ahsan
  166. math

    Could someone please check my math questions? any help will be greatly appreciated! Questions~ 16. A car’s speed before a sudden stop can be estimated by the formula S = √(30gk) , where S = speed of the car in mph, g = drag factor, and k = length of

    asked by Abby
  167. Algebra 2

    Solve each system 6x-2y=10 3x-2=y

    asked by Sam
  168. math

    Suppose I have 8 coins.4 of them have heads on both sides and the other 4 have tails on both sides. I reach in and get 4 coins at one time. What's the probability that I get 2 head coins and 2 tails? Well I was thinking that it would be 1/2 since both

    asked by nyiema
  169. Chemistry

    1. what reaction take place when water is passed through anion exchange resin ? 2. how much na2co3 or salked lime should be added to completely 300cm^3 of 2percent cacl2 solution ?

    asked by Saszuuu
  170. Pre-algebra

    In which quadrant is the graph of (2,-5) located?

    asked by Angelia
  171. Logarithm help

    Find the domain of the given function f(x) = log(2-x)

    asked by Bobby Funtimes
  172. physics

    WHat is the displacement of a car that starts at 10m/s east and accelerates at 3m/s west for 2s

    asked by jolie
  173. math

    does a horizontal line represent function?

    asked by brooke