Questions Asked on
September 22, 2011

  1. Spanish

    doy a la profesora los libros de español. Amelia pregunta a nosotras si queremos ir al cine. El empleado busca trabajo a sus primas en el almacén. Julio quiere traer un televisor nuevo a sus padres. Los clientes dicen a nosotros que todo está muy caro.

    asked by Anonymous
  2. Algebra

    A runner wants to run 11.6 km. She knows that her running pace is 8.1 miles per hour. How many minutes must she run?

    asked by Brittany
  3. chemistry

    A mixture of carbon and sulphur has a mass of 9.0 g. Complete combustion with excess oxygen gives 22.6 g of a mixture of carbon dioxide and sulphur dioxide. Find the mass of sulphur in the original mixture

    asked by KB
  4. physics

    a student drops a ball from a window 3.5m above the sidewalk. the ball accelerates at 9.80m/s^2. How fast is it moving when it hits the sidewalk.

    asked by meghan
  5. math

    Find f(3) and f'(3), assuming that the tangent line to y=f(x) at a=3 has the equation y=5x+2

    asked by Anonymous
  6. Physics

    If vector a has a magnitude of 29 units and points in the positive y direction. when vector b is added to a the resultant is 24 units in the negitive y direction, what is the magnitude of b?

    asked by haylee
  7. Physics

    An arrow is shot at a 30 degree angle with the horizontal. It has a velocity of 49m/s. The acceleration of gravity is 9.8 m/s2. How high will the arrow go?

    asked by Dani
  8. math

    What is the opposite of a professional eater? 12 spaces, letters- H O S M G C R I E B V W X A L N

    asked by miranda
  9. physics

    A bike accelerates from 0.0m/s to 4.0m/s in 4s. what distance does it travel?

    asked by meghan
  10. chemistry

    Cu+ S2- what name does that make an how do you solve it? is it CuS2 copper sulfide?

    asked by nini
  11. chemistry

    Calculate the grams of substance required to prepare 250mL of 5%(wt/vol) NaNO3

    asked by desperate for help
  12. physics

    A jet plane lands with a speed of 110 m/s and can decelerate uniformly at a maximum rate of 4.1 m/s2 as it comes to rest. Can this plane land at an airport where the runway is 0.80 km long? Answer this by calculating. Answer in units of km

    asked by christian
  13. Chemistry

    What is the frequency of radiation that has a wavelength of 13 \mu m, about the size of a bacterium?

    asked by Caitlin
  14. math

    Yancy collects plastic banks. He has three different banks: a pig, a cow, and a horse. How many ways can Yancey arrange his banks on a shelf?

    asked by Anonymous
  15. physics

    Two cars are traveling along a straight line in the same direction, the lead car at 26 m/s and the other car at 40 m/s. At the moment the cars are 49 m apart, the lead driver applies the brakes, causing the car to have a deceleration of 1.5 m/s^2. How long

    asked by Anonymous
  16. Math

    a teacher asked her students to think of a number, multiply by 5, and subtract the product from 20 , then she asked them to multiply the resulting difference by the number they first thougt of a) use function notation to express the final answer in terms

    asked by Melissa
  17. Chemistry

    Calculate Delte G Knot for H20(g) + 1/2 O2 H2O2(g) at 600. K, using the following data: H2(g) + O2(g) H2O2 (g) K = 2.3 X 10^6 at 600. K 2H2(g) + O2(g) 2H20(g) K= 1.8 X 10^37 at 600. K

    asked by Summer
  18. geometry

    Rafael wrote the statements shown in the chart. Statement 1 Description If a point lies outside a line, then exactly one plane contains both the line and the point. Statement 2 Description If two points lie in a plane, then the line joining them lies in

    asked by Anonymous
  19. math,word problem(algebra)

    The length of a piece of cloth is 8y m.Mr Lim cut 7 m from it to sew some cushion covers.Then,he cut 3y m to sew a curtain.The remaining material was cut into 4 equal pieces.How long was each piece in terms of y? please help me to complete this&thanks for

    asked by kimi
  20. chemistry

    Lithium iodide has a lattice energy of -7.3x10^2kj.mol and heat of hydration of -793kj.mol. Find the heat of solution for lithium iodide.

    asked by Cassie
  21. Math

    Which of the following shows estimating 287 + 491 by using compatible numbers?

    asked by kris
  22. Physics

    A car accelerates from 0 to 60 miles per hour in 6.5 seconds. Determine the distance traveled in this time and the acceleration. Assume constant acceleration.

    asked by Jen
  23. Physics

    An antelope has traveled 1.60 km at avg speed of 67.0 km/h. The antelope speed during the first half of the distance is 88km/h. Find the antelope's avg speed during the second half of the run.

    asked by JP
  24. math

    The distance between the pivot point and the marking point of a compass when drawing a circle - my answer is the radius. Is this right?

    asked by Reed
  25. Math

    Miguel has 325 baseball cards and 272 football cards. He said that he has 597 cards in all. Is his answer reasonable? Explain using estimation.

    asked by Nelson
  26. math

    an object is launched from ground level with an initial velocity of 400 feet per second. To the nearest tenth off a second, how long does it take the object to reach a height off 650 feet?

    asked by Alex
  27. math

    Find the dy/dt for each pair of functions y=x^2-5x , x=t^2+3

    asked by Kia
  28. Physics

    A car travels in a flat circle of radius R. At a certain instant the velocity of the car is 24 m/s west, and the total acceleration of the car is 2.5m/s^2 53 degrees north of west. Find the radial and tangential components of the acceleration of the car at

    asked by Whitney
  29. geometry

    What is the perimeter of PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3) in the coordinate plane?

    asked by mike
  30. Physics

    A tortoise can run at a speed of 20 cm/s and a hare can run exactly 20 times as fast. In a race, they both start at the same time but the hare stops to rest for 2.00 mins. The tortoise wins by 20.0 cm. How long does the race take? What is the length of the

    asked by JP
  31. Math

    Sun-Yi estimated 270 + 146 and got 300. Is her estimate reasonable? Explain.

    asked by Nelson
  32. math

    Use compatible numbers to estimate. 212 + 347 = 83 + 34 =

    asked by maria
  33. college physics

    The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, as the force vectors in the drawing indicate. If the coefficient of static friction between a crutch and the ground

    asked by Anonymous
  34. statistics

    Each of 25 adult women was asked to provide her own height (y), in inches, and the height of her father. The scatterplot below displays the results. Only 22 of the 25 pairs are distinguishable because some of the (x, y) pairs were the same. The equation of

    asked by gate
  35. English- poetry

    Can anyone find any poetic devices in this poem? (metaphors, similes, personification, etc) AMBITION BY DES WALSH Once upon a time A poor man Named Marcus Sat all day Hoping for food Outside a kitchen door At night he would think Of the golden sands Where

    asked by Leanne
  36. Math

    Use compatible numbers to estimate. 329 + 64 =

    asked by maria
  37. statistics

    If the mean of a set of data is 21.00, and 6.00 has a z score of –1.50, then the standard deviation must be

    asked by Anonymous
  38. calculus

    A power station is on one side of a river that is 0.5 mile wide, and a factory is 5.00 miles downstream on the other side of the river. It costs $15 per foot to run overland power lines and $23 per foot to run underwater power lines. Estimate the value of

    asked by Angel
  39. Geometry

    Two supplementary angles are in the ratio 7:11. Find the measure of the smaller angle.

    asked by Abby
  40. physics

    A batted baseball leaves the bat at an angle of 35.0 degrees above the horizontal and is caught by an outfielder 370 ft. from home plate at the same height from which it left the bat.

    asked by yesenia
  41. Language

    Complete the puzzle below with words that fit the meaning and end in the tch pattern. a)move with slight,quick jerks _ _ itch b)rough, quickly done drawings _ _ etch c)large, irregular spot or stain _ _ otch d)support or brace with a forked top_ _utch

    asked by Yasemen
  42. Math

    Natalie has 138 dvds and 419 cds. If you were to estimate the sum of the dvds and cds, what sentence could you write? Then find your estimated sum. My answer is 140 + 420 = 560 is this right..

    asked by Michael
  43. algebra help bad!!!!

    Solve 2x+9 greater or equal to 5 and 2x-13greater or equal to 9 what is the solution? I have x=-2 and x=2 how do I write this {x x> what?

    asked by Allison
  44. Physics

    A drag racer crosses the finish line of a 400.0-m track with a final speed of 104 m/s. (a) Assuming constant acceleration during the race, find the racer’s time and the minimum co efficient of static friction between the tires and the road. (b) If,

    asked by John
  45. math

    Jill ley took out a loan to pay for education for $60,000. would be repay back in 8 years with the interest of 6% what will be jill pay back at the end of the loan is:

    asked by carol
  46. Science

    find the density of the two rocks. The jagged rock has a mass of 56 grams. this rock therefore has a density of ?

    asked by Anonymous
  47. physics

    if two lightning bolts hit exactly the same place, act exactly the same time in one frame of reference, is it possible that observers in other freames will see the bolts hitting at different times or at the different places? explain.

    asked by mel
  48. physics

    A box sits on a horizontal wooden board. The coefficient of static friction between the box and the board is 0.22. You grab one end of the board and lift it up, keeping the other end of the board on the ground. What is the angle between the board and the

    asked by abbie
  49. geometry

    Use a straightedge to draw line XY. Then construct line RS so that RS = 2XY

    asked by walker
  50. Physics

    A parallel-plate capacitor is designed so that the plates can be pulled apart. The capacitor is initially charged to a potential difference of 80 Volts when the plates are 1.0 mm apart. The plates are insulated so that the charge cannot leak off. What is

    asked by TP
  51. algebra

    what is the exponent of 289

    asked by tyler
  52. physics

    the car travels at 20m/s when the driver sees a child. It takes 0.8s to react, then steps on the brakes and slows at 7.0m/s^2. How far does the car go before it stops?

    asked by meghan
  53. calculus

    Find equations for the lines that are tangent and normal to the graph of y = sinx + 3 at x = pi

    asked by Laurie
  54. geography

    How many degrees are there between the equator and the southern tip of Greenland? My answer is 60 degrees. Is this correct? Can you also give me a better map to find this on?

    asked by Reed
  55. chemistry

    analyze and explain the buffer system in buffered aspirin(carboxyic acid)

    asked by jessica
  56. chemestry

    1.0000 g of hydrate of stannic chloride with unknown formula is heated to 100C (celsius) for 30 minutes. The remaining anhydrous salt weighted 0.7836g. What is the formula of this hydrate? thanks

    asked by anomimo
  57. Physics

    A projectile is fired from the origin with an initial velocity V₁=100m/s at an angle θ₁=30⁰. Another is fired from a point on the x-axis at a distance x₀=60m from the origin with initial velocity V₂=80m/s at an angle of θ₂. It is desired to

    asked by Derek
  58. chemistry

    concentrated sulfuric acid has a density of 1.84 g/ml. calculate the mass in grams of 1.00 liter of this acid.

    asked by victor
  59. Physics

    In mathematical language, Newton's Law of Gravity expresses the force of gravity, F, between two objects in the following way: F= (GMm)/r^2 where M is the mass of one object, m is the mass of the other object, r is the distance between the two objects, and

    asked by Adam
  60. physics

    Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Generally, an acceleration less than 800 m/s2 lasting for any length of time will not cause injury, whereas an acceleration greater than 1000 m/s2 lasting

    asked by shahi
  61. pre-calculus

    st andrews golf course in st andrews scotland is one of the oldest courses in the world. it is an 18-hole course that consists of par-3 holes, par-4 holes and par-5 holes. a golfer who shoots par at the old course at st andrews has a total of 72 strokes

    asked by snow
  62. chemistry

    Which of the following species exhibits resonance if all the formal charges are minimized? a. OF2 b. N2 c. PCl5 d. ClO3- e. BrF3 plz help me out here. its really urgent!!!

    asked by icecream
  63. geometry

    Solve for the variable using the given information. given : GM = 28 GE - 3x+9 EM - 8x-25

    asked by GRR on iPad
  64. physics

    With an average acceleration of -.56 m/s2, how long will it take a cyclist to bring a bicycle with an initial speed of 13.3 m/s to a complete stop?

    asked by julia
  65. Financial management

    On December 31 of last year, Wolfson Corporation had in inventory 400 units of its product, which cost $21 per unit to produce. During January, the company produced 800 units at a cost of $24 per unit. Assuming that Wolfson Corporation sold 700 units in

    asked by Mary
  66. chemistry

    concentrated sulfuric acid has a density of 1.84 g/ml. calculate the mass in grams of 1.00 liter of this acid.

    asked by ann
  67. physics

    A motorboat accelerates uniformly from a ve- locity of 6.2 m/s to the west to a velocity of 1.7 m/s to the west. If its acceleration was 3.4 m/s2 to the east, how far did it travel during the acceleration? Answer in units of m

    asked by Ryan
  68. Computer Science

    Suppose that a String variable str has already been defined and holds some String. In the box provided below, write a statement that changes str to all lower case characters, and then copies the result back to str.

    asked by Amanda
  69. biology

    With regard to bringing solutes into the cell across the plasma membrane, discuss the advantages and disadvantages of diffusion, facilitated diffusion,active transport,and endocytosis.

    asked by Anonymous
  70. physics

    a bike first accelerates from 0m/s to 5.0m/s in 4.55, then continues at this constant speed for another 4.5s. what is the total distance traveled by the bike?

    asked by meghan
  71. Physics

    In a movie, a stuntman places himself on the front of a truck as the truck accelerates. The co efficient of friction between the stuntman and the truck is 0.65. The stuntman is not standing on anything but can “stick” to the front of the truck as long

    asked by John
  72. Calculus

    Use interval notation to indicate where f(x) is continuous. f(x)= 7x^8-5x^4+4

    asked by Bob
  73. physics

    a cannonball is fired with initial speed v0 at an angle 30 degrees above the horizontal from a height of 40m above the ground. the projetile strikes the ground with a speed of 1.2v0. find v0.

    asked by Angela
  74. English

    Did I revise this passage correct? Heroes come in all shapes and sizes. Women and men, adults and children. However, one hero looked quite different from what you might imagine. Living in Czechoslovakia after World War II and name Antis. This hero was a

    asked by Beth
  75. Chemistry help pliz

    Explain (using equations) how a solution of 1.0 mol dm^-3 in both CH3COOH and CH3COONa is resistant to changes n pH when we add either small amounts of acid or small amount of base (such solution is called a buffer)

    asked by Petty
  76. chemistry

    1. 30.0 ml of ethyl alcohol(density=0.790g/ml)are added to a graduated cylinder that weighs 44.28 grams. what will be the mass of the graduated cylinder plus the alcohol(in grams)? 2. what is the volume (in ml)of a liquid(density=2.07 g/ml)weighing

    asked by ann
  77. math

    name the position of the first digit of the quotient. then find the first digit. 3 divide by 579

    asked by stephanie
  78. Physics

    An arrow is shot at a 30 degree angle with the horizontal. It has a velocity of 49m/s. The acceleration of gravity is 9.8 m/s2. How high will the arrow go?

    asked by Dani
  79. math

    Jenny threw darts at the board and scored 100. How many darts did she throw,where did they land?40,39,24,17,16 you can use a number more than once!

    asked by denise
  80. Physics

    An air track glider, 8.0 cm long, blocks light as it goes through a photocell gate. The glider is released from rest on a frictionless inclined track and the gate is positioned so that the glider has traveled 96 cm when it is in the middle of the gate. The

    asked by John
  81. Dynamics

    Problem 13.185 A 9.13 kg sphere A of radius 90 mm moving with a velocity magnitude v(0)= 2 m/s strikes a 830 g sphere B of radius 40 mm which is hanging from an inextensible cord and is initially at rest. Sphere B swings to a maximum height h after impact.

    asked by Kate
  82. math

    a container holds 250 mL. How many liters does it hold

    asked by gina
  83. Algebra

    If the formula R = -0.037t + 50.1 can be used to predict the world record in the 400 meter dash t years after 1925, for what years will the world records be 48.1 seconds or less?

    asked by Amber
  84. English

    Please check: 1. If a river is represents your thoughts is that an analogy or conventional symbol. I think it is an "analogy" but if it is a conventional symbol please explain why. 2.If in a story. in a brief intro, we learn about two friends and it sets

    asked by Lucy
  85. geometry

    Wendy drew line segment LM. She used a compass and straightedge and constructed a bisector on segment LM that crosses it at O. Which other construction uses the same steps as the ones Wendy took? A:an angle bisector B:a congruent angle C:a pair of parallel

    asked by Anonymous
  86. physics

    An airplane needs at least 145 meters of runway to take off. If the plane starts from rest and accelerates uniformly to a take-off speed of 170 km/hr then what is its acceleration in meters/second? How long does it take for the plane to become airborne?

    asked by John
  87. BioChemistry

    I had to calculate the conjugate base/acid ratio of phenol red in a phenol red solution prepared with a buffer I made and the base/acid ratio of just the phosphate buffer I made. I need to understand why these ratios are different. Can anyone help?

    asked by Amy
  88. Physics

    Emily takes a trip, driving with a constant velocity of 79.5 km/h to the north except for a 22 min rest stop. If Emily's average velocity is 68.8 km/h to the north, how long does the trip take?

    asked by Jonoathan
  89. physics

    34.0 km/h, speeds up at a constant rate of 3.9 m/s2. What velocity does it reach 6.8 s later?

    asked by Anonymous
  90. CHEMISTRY LAB urgent assistance

    1 (A) This relation gives the dissociation constant of acetic acid (CH3COOH) Ka = [H3O+][CH3COO-]\[CH3COOH] Starting from this relationship show that pH = pKa + log [base]\[acid] urgently need assistance

    asked by Petty
  91. Science

    If an object has a volume of 22 liters and a mass of 35 kilograms what's the objects density?

    asked by Bob
  92. Math/Algebra

    dan is 12 inches taller than jay. use X for jay's height. which expression shows dan's height?

    asked by Jade
  93. physics

    At highway speeds, a particular automobile is capable of an acceleration of about 1.6 m/s2. At this rate, how long does it take to accelerate from 76 km/h to 118 km/h

    asked by Tiffany
  94. physics - 1

    By algebraic manipulation of the first two kinematic equations for one-dimensional motion: 1) vf = vi + at 2) xf = xi + (vi)(t) + (1/2)(a)(t)^2 Obtain the other two kinematic equations : 3) vf^2 - vi^2 = 2ax 4) xf = xi + (1/2)(vi + vf)t

    asked by Whitney
  95. Mrs.SueALGEBRA order of operation problems

    Can you please check if i have these right? 3 + 15 - 5 x 2 = 8 5 x 6 + 2 x 4 = 38 48 / 8 -1 = 5 68 - 12 / 2 /3 = 66 6 (2 + 7 ) = 54 25 - (6x4) = 1 3 [ 9 - (6 -3)] -10 = 8 60 / (3 +12) = 4 4-2 + 6 x 2 = 14 18 / (5 -2) = 6 16 +24 / 30 -22 = 5 2[4 (9 -7 ) + 1

    asked by MARKO
  96. chemistry

    a 2kg block of iron is given 10kj of energy and its temperature rises by 10c. what is the specific heat capacity of iron?

    asked by sue
  97. Managerial finance

    Larissa has also provided the following information. During the year, the company raised $40 million in new long-term debt and retired $22.8 million in long-term debt. The company also sold $30 million in new stock and repurchased $36 million. The company

    asked by kim
  98. Physics

    Stan takes a trip, driving with a constant velocity of 81.5 km/h to the north except for a 22 min rest stop. If Stan's avg velocity is 66.80 km/h to the north, how long does the trip take?

    asked by JP
  99. Arrays and Expanded Algorithm

    How do you determine the product using an array.

    asked by Denver Elementary
  100. math

    Round to the nearest hundred to estimate the sum. 76 + 487 =

    asked by dy
  101. Precalculus

    Instead of graphing the arc length against the height, Olivia decides to make graphs of Paul's x - and y - coordinates against time. Suppose paul walks 1 meter per second. How would Olivia's graph compare to her graph of arc length against the height?

    asked by Kate
  102. math

    In a class of 28 sixth graders, all but one of the students are 12 years old. Which two measurements are the same for the students ages? What are those measurements.

    asked by kayla jenkins
  103. chemistry

    1. 30.0 ml of ethyl alcohol(density=0.790g/ml)are added to a graduated cylinder that weighs 44.28 grams. what will be the mass of the graduated cylinder plus the alcohol(in grams)?

    asked by ann
  104. physics

    a dog runs down his driveway with an initial velocity of 4.0 m/s. the dog then accelerates at 2.5 m/s^2 for 5.0 s. what is the final velocity of the dog?

    asked by LUIS
  105. chemistry

    a 2kg block of iron is given 10kj of energy and its temperature rises by 10c. what is the specific heat capacity of iron?

    asked by sue
  106. Physics

    A small parachute is dropped from a cliff. it falls at a constant speed rate 2 m/s. A small rock is dropped 20.0 seconds later. how far will the rock drop before it passes the parachute?

    asked by Priyank
  107. Physics

    The projectile motion is fired with velocity of magnitude vo at the angle feta. Find feta for which the maximum elevation of the projectile is twice its range

    asked by Whitney
  108. Math

    Maria is three times as old as her brother.In 4 years,Maria will be twice as old as he will be then.How old is Maria's brother now?

    asked by Vic
  109. Science

    If an object has a volume of 22 liters and a mass of 35 kilograms what's the objects density?

    asked by Bob
  110. english

    kendall pitches for his school basebal team.Every game he pit kendall pitches he strikeouts per

    asked by Anonymous
  111. physics

    A car travels up a hill at a constant speed of 45 km/h and returns down the hill at a constant speed of 70 km/h. Calculate the average speed for the round trip.

    asked by Jonoathan
  112. English

    e.g. I'm here on the ORBIS plane,"the flying eye hospital." (In this sentence, why is quotation marks used? What is the difference between with quotation marks and without quotation marks?)

    asked by rfvv
  113. Physics

    Highway speed limit increased from 55 mi/h to 65 mi/h, how much time is saved on a 435 mile trip if you travel at the new speed limit?

    asked by JP
  114. Chemistry

    What is the frequency of radiation that has a wavelength of 13 \mu m, about the size of a bacterium?

    asked by Caitlin
  115. science 8th grade

    I have toy with the density of 2.o g/cm3 ,I put it into tub with water density of 2.0 g/cm3 will the toy float or sink?

    asked by J.a.y.
  116. Math

    Everyone in Mrs. Bowman's art class has 8 jars of paint ecept Jerome, who has 10. There are 74 jars of paint in the room. How many students are there in Mrs. Bowman's art class?

    asked by Tyler
  117. physics

    A car travels up a hill at a constant speed of 45 km/h and returns down the hill at a constant speed of 70 km/h. Calculate the average speed for the round trip.

    asked by Jonoathan
  118. chemistry

    Suppose this block is dropped into 25.0ml of water. What will be the new volume reading? Help me please . I dot get it!!

    asked by lala
  119. physics

    If a car moves at 36km/h accelerate uniformly at 4m/s calculate it velocity in 2 seconds.

    asked by Displacement
  120. Physics

    An arrow is shot at a 30 degree angle with the horizontal. It has a velocity of 49m/s. The acceleration of gravity is 9.8 m/s2. How high will the arrow go?

    asked by Dani
  121. Chemistry

    I don't understand one of my homework questions i'm really stuck. please help! How will the equilibrium: Heat + CH4(g) + 2H3S(g)= CS2 (g) + 4H2 (g) be affected by the following: a) A decrease in temperature. b) The addition of H2. c) The removal of some

    asked by Sara
  122. chemistry

    Given handbook std enthalpies of formation at 298K for C5H10 (liq)=-105.9 kJ/mol and C5H10 (g)=-77.2 kJ/mol, estimate the normal boiling point of cyclopentane. I calculated delta H (vap or rxn) to be +28.7 kJ/mol. I am not sure how to proceed from here.

    asked by Holly
  123. hw

    concentrated sulfuric acid has a density of 1.84 g/ml. calculate the mass in grams of 1.00 liter of this acid. how to solve this?

    asked by hw help ASAP
  124. calculus

    An object is moving along the graph of f (x)= x2 . When it reaches the point (2,4) the x coordinate of the object is decreasing at the rate of 3 units/sec. Give the rate of change of the distance between the object and the point (0,1) at the instant when

    asked by Lucy
  125. chemistry

    what is the volume (in ml)of a liquid(density=2.07 g/ml)weighing 130.grams?

    asked by victor
  126. Physics

    An air track glider, 8.0 cm long, blocks light as it goes through a photocell gate. The glider is released from rest on a frictionless inclined track and the gate is positioned so that the glider has travelled 96 cm when it is in the middle of the gate.

    asked by John
  127. chemistry

    what would be the vapor pressure of water in a solution wiith 23.7g NaCl dissolved in 500mL of water at 50degrees centigrade

    asked by re
  128. English

    I have a question about a figure of speech: The Truth must dazzle gradually Or every man be blind What figure of speech is "Or every man be bling" Would it be synedoche metonymy metaphor litotes personification I know its not personification or synedoche

    asked by Buckley
  129. Finance in Healthcare

    Understanding the difference between fixed and variable costs, what area of a health care facility or physician practice do you think would have a greater amount of variable costs than fixed? What would you suggest to lower the fixed costs for the same

    asked by Moon
  130. math

    Bryce has a handful of pennies and nickels.he counts the change and finds 4 times as many pennies than nickels.He has total of 72 cents.How many pennies does he have Can't find a equation

    asked by Vic
  131. Calculus

    Form a polynomial, f(x) with real coefficients having the given degree and zeros. Degree: 4 ; Zeros: 4i and 5i Really need help! don't know where to start.

    asked by Mary
  132. Physics

    A 358-kg boat is sailing 15.9° north of east at a speed of 1.80 m/s. Thirty seconds later, it is sailing 36.6° north of east at a speed of 3.68 m/s. During this time, three forces act on the boat: a 29.7-N force directed 15.9° north of east (due to an

    asked by Jasmin
  133. Chemistry

    I don't understand one of my homework questions i'm really stuck. please help! How will the equilibrium: Heat + CH4(g) + 2H3S(g)= CS2 (g) + 4H2 (g) be affected by the following: a) A decrease in temperature. b) The addition of H2. c) The removal of some

    asked by Sara
  134. Physics

    One end of a cord is fixed and a small 0.470-kg object is attached to the other end, where it swings in a section of a vertical circle of radius 2.50 m as shown in the figure below. When θ = 21.0°, the speed of the object is 4.70 m/s. At this instant,

    asked by Cody
  135. physics

    A 322-kg boat is sailing 14.4° north of east at a speed of 1.86 m/s. Thirty seconds later, it is sailing 38.4° north of east at a speed of 3.72 m/s. During this time, three forces act on the boat:

    asked by Jasmin
  136. English- poetry

    Can anyone find any poetic devices in this poem? (metaphors, similes, personification, etc) AMBITION BY DES WALSH Once upon a time A poor man Named Marcus Sat all day Hoping for food Outside a kitchen door At night he would think Of the golden sands Where

    asked by Leanne
  137. algebra <>+ complete each statement

    can you check if these are right (24 -8) / 4 ? 24 -8 /4 i got < 3 x (4-2)x5 ? 3 x 4 -2x5 i got: > (22+8) /2 ? 22 + 8 /2 i got: < 20 /2 + 8 x 2 ? 20 / (2+8) x 2 i got : > 11 x 4 -2 ? 11 x (4-2) i got : > (7x3) - (4x2) ? 7x3 - 4 x 2 i got: =

    asked by MARKO
  138. Math

    Given the following LP model (represented abstractly with decision variables X and Y), find the optimal solution using the ‘graphing’ approach. Minimize 5X + 2Y Subject to: 4X + 2Y >= 80 3X + 4Y = 45 2X - Y >= 0 And non-negativity, of course. Your

    asked by Rick
  139. chemistry

    what is the volume (in ml)of a liquid(density=2.07 g/ml)weighing 130.grams?

    asked by ann
  140. chemistry

    What is the maximum amount of ethanol (in grams) that can be produced when 0.30 kg of ethylene (C2H4) and 0.029 kg of steam are placed into the reaction vessel?

    asked by Anonymous
  141. Physics

    Car travels up hill at a constant speed of 50 km/h and returns down the hill at a constant speed of 65 km/h. Calculate the avg speed for the round trip in km/h.

    asked by JP
  142. calculus

    Assume that x and y are differentiable functions of t. Find dy/dt using the given values. xy=x+4 for x=4, dx/dt=-5 a. 0.20 b. 3.75 c. 1.25 d. 5.00 e. -0.25

    asked by Angel
  143. statistics

    A basic statistics course had a total of 25 students which included 15 female (F) students whose distribution by major was 4 in Bio (B), 6 in COM (C), 3 in ECO (E), and 2 in PSY (P). In addition, the course had 10 male (M) students whose distribution by

    asked by Anonymous
  144. physics

    A force is applied to a 1.3 kg mass and produces 4.2 m/s 2 acceleration. What acceleration would be produced by the same force applied to a 7.5 kg mass? Answer in units of m/s

    asked by Anonymous
  145. physics

    A ball, initially at y = 0, is thrown straight down and takes 1.40 s to move 13.8 m in the - y direction. Calculate the initial velocity of the ball.

    asked by Dave
  146. world history

    The Mongols have a terrible reputation in history as pillagers who destroyed all that met their path. How does this depiction of the Mongols compare with the same people who brought the Pax Mongolia? i don't understand what this question is asking me to

    asked by mel
  147. Math

    Sales made last year by Lane's Appliance Store are listed below. The first number tells how many employees made the sales amount. Two sales employees earned in the range of $130,001-$150,000. Six sales employees earned in the range of $110,001-$130,000.Ten

    asked by Anonymous
  148. English

    Can you check my answers. Label the simple subject(SS) and simple predicate(SP) 1. The artists had less wall space to paint on. artists=SS had=SP 2. Soon beautifully colored stained glass filled the windows. glass=SS filled=SP

    asked by Reed
  149. Algebra

    "A line perpendicular to x + 3y = 5 passes through (1, -1). What is the equation of the line in standard form?"

    asked by Dawn
  150. Chemistry

    What is the strongest intermolecular force exhibited in each? Covalent molecules, Ionic compounds, polar covalent molecules. This is my answer: Covalent: London forces Ionic: Ion-dipole Polar Covalent: Dipole- Dipole Is this correct?

    asked by Jessie
  151. Math a

    7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am

    asked by katie
  152. geometry

    Jason makes two pictures. Picture 1 is made with the help of a pencil and picture 2 is made with the help of a pencil, compass, and protractor Which statement best compares the two Answer: A:Picture 1 is a drawing because it does not use measuring tools

    asked by Anonymous
  153. calculus

    Differentiate with respect to x (3x^2-5ax+a^2)^4

    asked by Anonymous
  154. chemistry

    A 500.0 ml sodium iodide (Nai) solution contains 31.7g of Nal. what is the molar concentration of the solution?

    asked by Anonymous
  155. math

    56 books were put on 2 shelves w/ 1 shelf having eight less books than the other shelf. How many books were on each shelf?

    asked by Anonymous
  156. Physics

    A shell is fired with velocity having horizontal and vertical components ux, uy. At the highest point of it's path the shell explodes into two fragments of mass m1, m2, which separate in a horizontal direction. The explosion generates kinetic energy E.

    asked by Jordan
  157. algebra

    A scale used for a model car is one inch for every 2.5 feet. If the car is originally 7.25 feet long, how long will the model car be?

    asked by Anonymous
  158. Science

    If an object has a volume of 22 liters and a mass of 35 kilograms what's the objects density?

    asked by Bob
  159. Math 116

    Solve 3(3-8x)+5

    asked by katie
  160. physics

    In diving a depth of 735m, an elephant seal also moves 600m due east of his starting point. What is the magnitude of the seal's displacement

    asked by Anonymous
  161. science

    A florist wants to see if product x will extend the life of cut flowers so that they last longer. What is the independent variable

    asked by da
  162. Calculus

    The number of people who donated to a certain organization between 1975 and 1992 can be modeled by the equation D(t)=-10.61t^(3)+208.808t^(2)-168.202t+9775.234 donors, where t is the number of years after 1975. Find the inflection point(s) from t=0 through

    asked by Angel
  163. physics

    if you walk for 46 minutes at a speed of0.91 meters per second, how far will you have traveled? convert to km

    asked by mel
  164. CHEMISTRY

    Show that an object with a mass of 8.00kg can have the same kinetic energy as an object with a mass of 32.0kg

    asked by tayy
  165. geography

    Before I try to look for the correct answer, can you tell me if this question looks right? I was wondering if my teacher meant to put something other than 20 degrees N and 10 degrees N? Question - Name five countries in Africa that have coastlines on the

    asked by Reed
  166. physics

    Any object that moves through the air (or space) under the influence of gravity is...?

    asked by angela
  167. Chemistry

    What is the strongest intermolecular force exhibited in each? Covalent molecules, Ionic compounds, polar covalent molecules. This is my answer: Covalent- dipole-dipole forces Ionic- ion-dipole forces Polar Covalent- electrostatic forces Is this correct?

    asked by Jessie
  168. math

    robby runs for 5 minutes . he walks for 10 minutes . he runs for 7 minutes. he walks another 4 minutes .he runs again for 8 minutes and walk againfor 3 minutes .what is the range of minutes robby runs?

    asked by gt
  169. math

    talk math explain how you can tell without dividing a 3-digit number divided by a 1-digit will have a quotient of 2 or 3 digits.

    asked by stephanie
  170. english literature

    can anyone tell me a good example of poem which uses connotation. thanks

    asked by hi
  171. Physics - Vectors

    A jet travels from Vancouver to Calgary for 1000 km, then turns [N] and travels another 200km toward Edmonton. Draw a scale diagram. Find the displacement of the jet from Vancouver. I just don't get how to draw this out.

    asked by -Untamed-
  172. math

    a teacher asked her students to think of a number, multiply by 5, and subtract the product from 20 , then she asked them to multiply the resulting difference by the number they first thougt of a) use function notation to express the final answer in terms

    asked by Melissa
  173. maths urgent

    The average mass of half the number of crabs in a basket is 350g, the average mass of the remaining crabs is 300g. If the total mass iof the crabs in the basket is 13kg, how many crabs are there in the basket?

    asked by joel
  174. math

    On a board game if you landed on red you move ahead 1 space,land on blue you move ahead 2 spaces,and land on orange you move back 1 space. If you took 30 spins where would you expect to land relative to where you started?

    asked by Tim
  175. Brainteaser

    77777777777777777 6652137

    asked by Anonymous
  176. government

    Discussion Questions: Imagine you live during the time when the U.S. Constitution was written. Decide whether you are an Antifederalist or a Federalist. Then state why you have chosen to be an Antifederalist or Federalist and try to convince your

    asked by Anonymous
  177. GCSE mathematics

    in the diagram,AB=AC and angle ABC=34

    asked by kenny
  178. math

    circle the better benchmark to estimate the number of players on a baseball team. 10 or 100

    asked by Anonymous
  179. math

    circle the better benchmark to estimate the number of photos on an album page. 5 or 25

    asked by Anonymous
  180. Chemistry

    How many degrees Centigrade is 125 degrees Fahrenheit? How many degrees Fahrenheit are there in 373 degrees Kelvin? I don't know how to solve this;

    asked by Ky
  181. Calculus

    use the intermediate value theorem to determine whether there is a zero f(x) = -3^3 - 6x^2 + 10x + 9 ; [-1,0]

    asked by M
  182. math

    circle the name of the greastest place-value position in which 5,398 and 5,379 are different. is it ones, tens, hundreds, or thousands?

    asked by Anonymous
  183. English

    Thank you very much. Can you please check these sentences for me? 1.People said that he lived in London. He was said to live in London 2.People say that he lives in London. He is said to live in London 3.People said that he had lived in London. He was said

    asked by Henry2
  184. Vectors, please check drawing

    Could you check to see if Ive done this right? h t t p : // imageshack . us/photo/my-images/269/vectoriz . j p g /

    asked by -Untamed-
  185. Social Studies 9

    Make a list of the measures that Charles I used to avoid calling parliament. Beside each entry explain which classes of society would be the angriest about these measures and why. Came straight from the crossroads textbook :a meeting of nation.

    asked by Stephanie
  186. Geometry

    Angle 1 is supplementary to angle 2. If m

    asked by Danielle
  187. Calculus

    Find (dy/dx) for the equation (7x+8y/9x-4y)=4. a. (dy/dx)=(-29/24) b. (dy/dx)=(43/24) c. (dy/dx)=(29/24) d. (dy/dx)=(-43/24) e. (dy/dx)=4

    asked by Angel
  188. history

    Answer the following BODIE ISLAND INFO: When it was built? How tall is it? Where is it positioned? Who owns it? How much did it cost to have it built? Has the location changed? What does it look like? What is its history? PLEASE ANSWER ASAP!!!

    asked by Liz
  189. chemistry

    the density of ehter is 0.789 g/mL. Find the mas in kilograms for 475mL of ehter

    asked by miichael
  190. Algebra II

    I need to write a polynomial in SIMPLEST FORM having roots 2,-2 and 4. I have to gt rid of the parentheses by multiplying everything out.Did I do it correctly? Also, someone said yes, but I'm wondering if it suppose to have anything else done to it-it

    asked by Jessica
  191. math

    Make a tally chart for the number of students in the third-fourth-and fifth grade classes: 26,25,27,27,26,28,27 I don't understand how to find the answer.

    asked by Brooke
  192. geography

    Thank You for the map Ms. Sue Here is my answer to the question - Name five countries in Africa that have coastlines on the Atlantic Ocean and lie between 20 degrees N and 10 degrees N - Sierra Leone, Liberia, Guinea, Senegal, and Cote D'Ivoire. Am I wrong

    asked by Reed
  193. Credit Policies and Procedures

    Can someone please show me the formula to do an amortization schedule on paper? I have an 8 year loan, for 21,700 with a 6.5% interest rate.

    asked by Kim
  194. calculus

    State which of the conditions are applicable to the graph of y = f(x). (Select all that apply.) lim x→infinity f(x) = −infinity lim x→a+ f(x) = L lim x→infinity f(x) = L f is continuous on [0, a] lim x→infinity f(x) = 0 f(a) is not defined lim

    asked by Lyric
  195. Science

    I really do need help finding Science Fair Ideas. Hellppppppp Meeee!!!! Oh yeah I'm in 5th grade!! I need help finding Science Fair Ideas.

    asked by Jesse Ariel Parker
  196. Physics

    An aircraft has a landing velocity of 50 ms-1 and decelerates uniformly at 10 ms-2Calculate: (a) the time taken to reach 15 ms-1 (b) the distance travelled during this time (c) the velocity of the car when it was 100 m from the start point

    asked by Sabrina
  197. geometry

    the solution set of x+1=x is

    asked by LISA
  198. PHYSICS

    190 MJ OF ENERGY ARE NEEDED TO MELT 500KG OF ALUMINUM AT 660 DEGREES CELCIUS. CALCULATE THE SPECIFIC LATENTHEAT OF ALUMINUM

    asked by ANNIE
  199. Math 116

    would the graph of 8x+5y=35 be consistant or non consistant? I think consistant

    asked by katie
  200. English

    1. His ambition to become the world champion was understandable. (Waht is the part of speech of 'to become the world champion'? Is it a noun phrase or an adjective phrase?) 2. He has only one aim, to make a lot of money. 3. He has only one aim to make a

    asked by rfvv
  201. Calculus

    What is the average rate of change I would like to know how does the formula f(2.1)-f(2)= 12.3 how did they get that answers

    asked by Shameaka
  202. English

    I am writing a paper on Theme and Metaphor in the book a farewell to Arms could someone help on what would be a good Thesis statement as an opening?

    asked by Christopher
  203. math

    90 children were at a picnic on the beach. 3/5 of the boys and 5/8 of the girls were swimming. If 35 children were not swimming, how many boys were swimming?

    asked by unknown
  204. Math

    for h(x)=5-4x, determine the input for x when the output of h(x) is -11

    asked by Melissa
  205. TIP manila

    what happen when ethanol mixed in methanol. ethanol mixed in acetone. acetone mixed in methanol. methanol mixed in water.

    asked by wew
  206. word processing

    unscramble the letters amtbdionn

    asked by mike hock
  207. Math 116 A

    7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am totally lost!!!!!!!!

    asked by katie
  208. math

    what is input output in 3rd grade math

    asked by ayanna
  209. business communication

    Select the best choice. If commas are unnecessary, select D, "No commas needed."

    asked by Anonymous
  210. VECTORS

    I already drew a vector diagram for 50m [E] + 32m [W] The way I drew it: 5cm going East, then starting from the end point, 3.2 cm going west. But now it says determine the resultant of the vector. How do I determine that?

    asked by -Untamed-
  211. 6th grade social studies

    what is world culture

    asked by Ja'Shawn
  212. physics

    A car travels up a hill at a constant speed of 45 km/h and returns down the hill at a constant speed of 70 km/h. Calculate the average speed for the round trip.

    asked by Jonoathan
  213. calculus

    Sin2pieover13plus cos squared pie over 13 equals.

    asked by Anonymous
  214. Algebra

    1.What is the nature of th roots of f(x) = x^2 + 4x+16-I think it is two conjugate complex roots because it is -2+-2isquare root 3? 2.Nature of roots of f(x) = X^2 + 2x+1 it would be one double root,correct? I get confused with doing these sometimes, just

    asked by Sue C.
  215. physics

    A person walks 41° north of east for 3.77 km. How far would another person walk due north and due east to arrive at the same location?

    asked by John
  216. math

    4 x - (3 -x) = 7 ( x - 3) +10 how do i solve this problem step by step?

    asked by israel
  217. math

    23x17 in expanded algorithm

    asked by Todd
  218. English

    I left out the following two sentences. Thank you very much. 1) My sister is in her second year a university. 2) My sister just entered her second year of university degree in medicine in Turin.

    asked by Henry2
  219. Calculus

    The area of a circle is changing at a rate of 2 in.^(2)/sec. At what rate is its radius changing when the radius is 9 in.? a. (9/2)in./sec. b. (2/9)in./sec. c. (2/9pie)in./sec. d. (1/9pie)in./sec. e. (1/9)in./sec.

    asked by Angel
  220. geometry

    ab is parallel to cd are cut by transversal ef find m

    asked by john
  221. Math

    For what value of theta with -pi/2

    asked by Calc Student
  222. pre calculus

    given points (0,0) (0,5) vertical asymptote of (-1,1) and horiz (2,1) how do I find the equation??????

    asked by M
  223. Math

    Starting from the formula cos^2(x)+ sin^2(x)=1, prove that tan^2(x)+1 =sec^2(x).

    asked by Calc Student
  224. critical thinking

    Please check my work. I have no one here to help thank you. 9. Explain what techniques you would use to present your ideas on this topic and persuade others effectively. If I were to represent any ideas in the argument, I would consider using

    asked by iceloc
  225. math pre-algebra

    1.x/4+2=1 2.-3+x/1=-3 please show steps thanks

    asked by paul
  226. math

    An angle who's vertex is in the center of a circle? I am having a very,very hard time finding the word that fits this definition!! HELP! PLEASE! I usually do not have to get help with my Math.

    asked by Reed
  227. pre-algebra

    x/4+2=1 show step

    asked by rose
  228. accounting 1

    jim smith had trouble finding a job, so he decided to start his own sole proprietorship by the name of designers, inc. jim is a web site designer and here are the results as of the end of the first year of his business.br accounts payable =$12,100br

    asked by lizzy
  229. Math

    Explain how you would use a number line to round 148 to the nearest ten.

    asked by Brent
  230. math

    for h(x)=5-4x, determine the input for x when the output of h(x) is -11 i have tried to answer this question so many times , but i cant figure it out

    asked by Melissa
  231. English

    1. His ambition to become the world champion was understandable. 2. Our teacher, Henry Evans, complies this dictionary. 3. We heard the news that his team had won. 4. The idea of helping poor people in underdeveloped country was normal. 5. He had only one

    asked by rfvv
  232. Math 116A

    Solve 3(3-8x)+5

    asked by katie
  233. introduction to psychology

    survey results may be inaccurate due to:

    asked by Anonymous
  234. Comp 156

    What steps are included in the prewriting phase of essay writing? How does prewriting affect the success of an essay?

    asked by Her
  235. Pre-Calc

    Determine whether the function is even, odd, or neither. f(x)= 7x^(3/4) How do you do this with a fraction?

    asked by Cade
  236. Chemistry

    I don't quite understand these questions.. Please help, thank you! 1. What happens Qualitatively on both the Macroscopic and Atomic Levels when Zinc, Iodine and Water are mixed? Does a Reaction occur? 2. If a Reaction does take place, are the Physical and

    asked by John M.
  237. critical thinking

    how would a poet describe a snowstorm

    asked by nicole
  238. Physics

    The projectile motion is fired with velocity of magnitude vo at the angle feta. Find feta for which the maximum elevation of the projectile is twice its range

    asked by Whitney
  239. nursing

    What is the nurse’s role in data collection, patient privacy, and ethical treatment of human subjects?

    asked by julie
  240. Math Help

    According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were placed into a drum and one

    asked by Jamie
  241. math

    EXPLAIN how you picked the addends for the sum of 17

    asked by Anonymous
  242. Biology

    This is a choose the best answer question: The location of protein synthesis in eukaryotic cells is the a)nucleus. b)cytoplasm. c)plasma membrane. d)Golgi apparatus. d)vacuole. Ok so I know that the sites for protein sythesis are the ribosomes and there

    asked by Kara
  243. chemistry

    If the density of an element is 6 g/ml, how much space (in milliliters) should a sample of it displace if it has a mass of 2.4 grams?

    asked by gia
  244. Physics

    The stored electrical energy of a 800-ƒÊ F capacitor charged to 1.20~104 Volts is converted to thermal energy by discharging the capacitor through a heating element submerged in 711.6 g of water in an insulating cup. What is the increase in temperature

    asked by TP
  245. nursing

    How do mean, median, mode, and standard deviation differ from one another? Support your answers with specific examples

    asked by julie
  246. Pysics

    Find the acceleration of the block of mass M = 5.26 kg in the figure below. (Take m = 4.06 kg.)

    asked by Quan Jones
  247. 7 th grade math

    if all my grades are above an 80 how will a 38 affectn my grade.

    asked by allie bartton
  248. Civics

    Why did the Great Britain raise taxes on the British colonists after 1763?

    asked by ICONiac
  249. writing

    coast in a sentence

    asked by Anonymous
  250. Math 116a

    Graph and write the interval notion? 9

    asked by katie
  251. biology

    Lack of iron in the photic zone of the open ocean restricts the size of plankton populations. Iron is what kind of factor for marine plankton?

    asked by megan
  252. English

    Could you please check these sentences, please? Thank you I've got short, wavy, dyed blond hair. I've got a round face, heavy eyebrows, oval eyes, a large mouth and a small nose. I'm friendly and sensitive. I'm quite serious and clever. I'ma bit shy but

    asked by Henry2
  253. Math

    Natalie has 138 DVDs and 419 CDs. If you were to estimate the sum of the DVDs and CDs, what sentence could you write? Then find your estimated sum.

    asked by Nelson
  254. Mathematics

    For example, let's say you had a beautiful clock that was always one minute late. It was too beautiful to throw away, so you decided to keep it. How slow/late would this clock be behind of all the other clocks in total for 1 year? 2 years? I got 365

    asked by LostOne
  255. pre calculus

    solve in real number system x^3 + 5x^2 - 12x = 14 =0

    asked by M
  256. Science

    Please Help Thank you. If you had to argue the benefits of wind energy, what would they be? and What are the risks? can you please answer these question in 120 words or more Thank you.

    asked by John
  257. chemistry

    Calculate the volume of 0.05 kg of bromine. (D=3.12 g/ml)

    asked by Anonymous
  258. chemistry

    Calculate the volume of 0.05 kg of bromine. (D=3.12 g/ml)

    asked by teddy
  259. math

    I've saved $9.00 to buy something.That is 1/6 the amount I need how do I figure out how much the coat costs?

    asked by theresa
  260. geometry

    U=(a,b,c,d,e,f,g,h,i,j,k) A=(a,c,d,f,g,i) B=(b,c,d,f,g) C=(a,b,f,i,j) Determine the following A'square B'

    asked by angie
  261. math

    x/4+2=1 -3+x/1=-3 please show steps thanks

    asked by paul
  262. information technolgy

    Hi I need help trying to create a code to encrypt and decrypt a message in netbeans.I know what to do but I cant get it to encrypte and decrypte.Can you please help me.

    asked by kyle
  263. Math

    Solve 3(3-8x)+5

    asked by katie
  264. Math 116

    9/10th (3+8x)+3greater or equal to 15 what is the solution to this?

    asked by Allison
  265. math help asap

    what is the solution to 2x+9greater or less then 5 and 2x-13greater or equal to -9.

    asked by Allison
  266. math

    t = 4x+ t Help

    asked by Anonymous
  267. Grammar

    I'm not sure if this is a run-on sentence. Stock prices rose slightly yesterday. The TSE average up 16.9 points and the Canadian Exchange index up 3.2.

    asked by Alex L.
  268. science

    What is the density of 57g and a volume of 6mL

    asked by prince
  269. CHEM

    Calculate the pH of a .7 M solution of ammonium chloride

    asked by Heather
  270. CHEM

    Calculate the pH of a .7 M solution of ammonium chloride

    asked by Heather
  271. math

    4 children are taken off the chart. 2 children are removed from 4 - legged snake,and the others from duck-billed chicken. how many like duck-billed chicken?

    asked by gt
  272. science

    Which 1 is an experiment? reading a blood pressure gauge, examining an x ray or taking prescription medicine? Thank you

    asked by jon
  273. English

    1. Our teacher, Henry Evans, complies this dictionary. 2. Our teacher, Henry Evans complies this dictionary. 3. Our teacher Henry Evans complies this dictionary. (Are they all grammatical? Would you check the use of 'comma'?

    asked by rfvv
  274. Calculus

    Can someone help me to evaluate these two integrals? INT dx/(x^2*sqrt(x^2-25)) and INT (from 0 to 1) -5*sqrt(x^2+1) dx

    asked by Jason
  275. Math 116a

    7X+4>-13 or 9x+4>-23 The solution of the compound inequality is ? I am totally lost!!!!!!!!

    asked by katie
  276. chemistry

    at the sea side the sun shines equally on the sand and sea. assuming the both absorb the same amount of energy, why is the sand a lot hotter than the sea

    asked by sue
  277. Math 116 A

    Solve 3(3-8x)+5

    asked by katie
  278. introduction to psychology

    one of the controverises concering animal research involves:

    asked by Anonymous
  279. Algebra II

    I need to write a polynomial in SIMPLEST FORM having roots 2,-2 and 4. I have to gt rid of the parentheses by multiplying everything out.Did I do it correctly? (x-2)(x+2)(x-4)original problem 1.x^2 + 2x-2x=x^2-4) 2. (x^2-4)(x-4) 3. x^3-4x^2-4x+16=0

    asked by Jessica
  280. Math

    Find the zeroes of the function algebraically. f(x)= ã-7x-2

    asked by Cade
  281. math (radicals)

    the answer to this expression is -9-4√5 the expression is (2+√5)/(2-√5) i cant figure out how it got there

    asked by cody
  282. chemistry

    1. Is there a way to put energy into Zinc Iodide in order to Regain the Elements, Zinc and Iodine? If there is a Way, How does it Happen? 2. What are the Identities of the substances found after electrolysis and heating? I don't understand these questions.

    asked by John M.
  283. Algebra 2

    Using Equations The second angle of a triangle is three times the first and the third is 12 degrees less that twice the first. Find numbers for angles. I do not understand how to solve this equation.

    asked by Kym
  284. logic

    g --> h ~h v k g k --> w Prove: W

    asked by ashley
  285. Biology

    This is a choose the best answer question: The location of protein synthesis in eukaryotic cells is the a)nucleus. b)cytoplasm. c)plasma membrane. d)Golgi apparatus. d)vacuole. Ok so I know that the sites for protein sythesis are the ribosomes and there

    asked by Kara
  286. world hhistory

    the expansion of agriculture can be traced across sub saharan africa through the spread of the language group

    asked by aleksandra
  287. Prcts chemistry

    Calculate the pH of 0.0115M acetic acid solution at 25 degrees celcius with Ka = 1.75*10^-5

    asked by Gift
  288. calculus

    Sin2pieover13plus cos squared pie over 13 equals.

    asked by Anonymous
  289. math

    -3+x/1=-3

    asked by paul
  290. Math help!!

    Solve 3(3-8x)+5

    asked by katie
  291. social studies

    during which war was the Emancipation Proclamation issued£¿

    asked by jennifer white
  292. Algebra 116 A

    What kind of interval notion do you get for this 9

    asked by katie
  293. mathemactics

    what is the answer of 5\6 of 42pounds

    asked by anshika arora
  294. phl/251

    What are contrasting metaphors for marriage?

    asked by Anonymous
  295. Math

    What is the classify system of Y=-3 and X=2

    asked by katie
  296. Math

    What is the classify system of Y=-3 and X=2

    asked by katie
  297. English

    Before writing a recommendation report to the CEO, Dee and Carlos distribute a survey to everyone in their company to determine which new benefits employees are most interested in. What part of the writing process does this activity represent?

    asked by Donna
  298. math

    use the bus shelter method to work out 1/8 as a decimal

    asked by hayley
  299. geometry

    exprimer que le côté bc en fonction de a

    asked by ludmilla
  300. geometry

    is it possible that the points a, b,c are collinear but AB + BC not equal AC

    asked by LISA
  301. Math

    Find the zeroes of the function algebraically. f(x)= ã-7x-2

    asked by Cade
  302. science

    uniform magnetic field is from west to east,electrons enter from north to south,so what is the direction of force acting on electron?

    asked by Anonymous
  303. pre calculus

    find the bounds on the real zeros????? f(x) = x^5 - 5x^4 +8x + 2

    asked by M
  304. science

    In which two seasons do most collisions with deer, moose and bears occur? PLS HELP

    asked by ted
  305. Social studies

    What physical factors played a rolled in developing the geography of the four mayor natal regions of Texas

    asked by Christy
  306. Geometry(High School)

    How could you model two angles with a common vertex and a common side that are not adjacent angles?

    asked by Yakoa
  307. Math

    What is the definition of a solving equation?

    asked by Mia
  308. English

    Cara underwent microlaryngoscopy and bronchoscopy along with flexible bronchoscopy by the pulmonary department and bilateral myringotomy tube placement. I struggle with capitalization... Is pulmonary department capped? Thanks

    asked by PAS
  309. logic

    g --> h ~h v k g k --> w Prove: W

    asked by ashley
  310. Math Urgent

    Two surveyors with two-way radios leave the same point at 9:00am., one walking due south at 2 mi/hr and the other due west at 5 mi/hr. How long can they communicate with one another if each radio has a maximum range of 10 miles?

    asked by Kaley
  311. algebra II

    I need to write a polynomial in SIMPLEST FORM having roots 2,-2 and 4. I have to gt rid of the parentheses by multiplying everything out.Did I do it correctly? Also, someone said yes, but I'm wondering if it suppose to have anything else done to it-it

    asked by Jessica
  312. math

    using limits...finding the tangent line of the square root of x when x=2

    asked by tiffany
  313. Spanish

    Is this how I say the boy is going to stand up? El muchacho va a levantarse.

    asked by John H.
  314. Science

    Please help Thank you. Do you think we should have a special tax or a onetime payment that all people make to help improve air quality? Or should this be something that our government should budget on their own? Please answer in 100 words or more Thank

    asked by John
  315. math

    2-4n=10 please show how you get the answer thanks

    asked by paul
  316. English

    to settle an argument.. is it correct to hyphenate She will be placed into a short-leg walking cast? I say yes! Thank you !

    asked by Pat
  317. phl/251

    need to write an example metaphor for a "place" and a "event"

    asked by Anonymous
  318. regarding registration

    i haven't recd confirmation mail

    asked by heena
  319. math

    What Is The Integration Of (0)?

    asked by jack
  320. ap world

    what are some similarities between the foraging and urbanized societies?

    asked by tiara
  321. Science 6th grade

    how can granite and slate peices be held together?

    asked by Erin
  322. math

    Number of People You Have Known Who Were Victims of Homicide # of Victims Frequency 0 3944 1 279 2 97 3 40 4 30 Find the median. Note that the “4 or more” category is not problematic for it. I know that the median is the middle number. I got 1.5 but

    asked by mary
  323. geography

    The five countries are Senegal, Guinea, Guinea-Bissau, Gambia, and Mauritania.

    asked by Reed
  324. Math 116

    How do you graph X=2 and y=-3 what is the order pair if any?

    asked by katie
  325. Math 116 a

    9

    asked by katie