Questions Asked on
April 11, 2013

  1. Chemistry

    1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is ____. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest

    asked by Cassie
  2. Law

    According to Robert Nozick, the state is justified to tax a citizen (even against his or her will) if: a) the revenues support things like healthcare and education, which improve the life-prospects of all citizens. b) all citizens are required to pay the

    asked by Anonym
  3. physics

    A little red wagon with mass 8.00 moves in a straight line on a frictionless horizontal surface. It has an initial speed of 3.80 and then is pushed 4.7 in the direction of the initial velocity by a force with a magnitude of 10.0 .

    asked by Anonymous
  4. Math

    Please help. What is the difference 5x-2/4 x - x - 2/4x A.) 1 B.) X-1/X C.) 0 D.) 3/2 Thank You so much.

    asked by Cassie
  5. MATH

    A random sample of state gasoline taxes (in cents) is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does your interval contain the national average of 44.7 cents? 38.4 40.9 67 32.5 51.5 43.4

    asked by Salae .
  6. math

    The tax rate on Harriet Walker's $80,000 vacation home is 20 mills. The property is assessed at full value. How much will Harriet Walker pay in taxes this year? A. $640 B. $440 C. $1,600 D. $2,000

    asked by YOYO
  7. Math

    Two investments are made totaling $4800. In the first year they yield a total of $412 in simple interest. Part of the money is invested at 8% and the rest at 9%. Find the amount invested at each interest rate.

    asked by Kate
  8. weber state university

    CH2=CH-CH2CH3+H2O What is the product of the reaction above

    asked by erica
  9. algebra

    (1) if root x-a/x-b + a/b = root x-b/x-a + b/a, b not equal to a, then value of x is (2) if x = 2 root 24/root3+root2 then value of x+roo8/x-root8 + x+root12/x-root12 (3)if a = 2+root3/2-root3 & b = 2-root3/2+root3 then value of (a square + b square + ab)

    asked by chandrakant
  10. physics

    Two cylindrical conductors with equal cross sections but different resistivities are put end-to-end. Find the magnitude of the charge that accumulates at the boundary between the conductors if a current I=100A flows in the wires. The wires are made of

    asked by Sahil
  11. Calculus

    An animal population is increasing at a rate of 150+20t animals per year. By how much does the animal population increase between year 5 and year 8?

    asked by Daniel
  12. Math

    Shanze PAID TOTAL RS.98 FOR NECKLACE and PURSE.NECKLACE COST RS.18.20 MORE THAN THE PURSE FIND THE COST OF PURSE?

    asked by Asif Naeem
  13. math

    Indicate whether each statement is true or false by checking the appropriate box in the table below. a. 2x is a factor of the expression (2x + y ). True or False b. (2x + y ) is a factor of the expression 3(2x + y ). True or False c. (2x + y ) is a sum of

    asked by peter
  14. maths

    A man travels from town a to b at an average speed of 90km/h.on his return journey he takes (one)1 hour less and his speed is 10km/h faster......1.how far apart are towns a and b, ............. ..2.what Is his average speed from town a to b and back to a

    asked by mohammed
  15. phics

    In an experiment on motion, a cart weighing 240 N was pulled up an inclined plane. Which of the following would be the expected reading on the spring scale as the cart is pulled up an inclined plane set upon two books

    asked by allen
  16. science

    getting ready to turn this in just want to check my answers any takers?? 1. In an atom, electrons ____. (1 point) are located in the nucleus are paired with neutrons are located in the electron cloud are always in the same place 2. The maximum number of

    asked by T-mara
  17. English Language Arts

    What does CUPS stand for? i know that C stands for Capitalzation, P stands for Punctuation, and Sstands for Spelling but what is U?

    asked by Alexandrea
  18. Math

    A club consists of 8 seniors, 7 juniors, and 4 sophomores. A subcommittee consisting of 3 seniors, 2 juniors, and 1 sophomore will be chosen. How many different such subcommittees are there?

    asked by Elle
  19. English

    Use coordination to combine each pair of sentences below into one sentence. Use a word or phrase that expresses the relationship shown in parentheses. 1.Most people collect stamps only as a hobby. Some people collect stamps as an investment. (contrast) 2.A

    asked by Julian
  20. Geometry

    If two six-sided dice are rolled, the probability that they both show the same number can be expressed as a b where a and b are coprime positive integers. What is the value of a+b ?

    asked by stranger
  21. Psychology

    The means of travel within and between neurons is different because: A. electrical signals move impulses within the neuron, while chemical signals move the impulses between neurons. B. chemical signals move the impulses within the neuron, while electrical

    asked by Angela
  22. statistics

    The average height of 18-year-old American women is 64.2 inches. You wonder whether the mean height of this year’s female graduates from your local high school is different from the national average. You measure an SRS of 78 female graduates and find

    asked by nina
  23. physics

    A 350-g air track cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 6.00 × 10-6 kg·m2 and a radius of 1.35 cm. The string is pulled vertically downward by a force of 2.50 N. What is the

    asked by Anonymous
  24. English Language Arts

    Give examples of three transitional expression.

    asked by Kyla
  25. MATH

    A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jonas picks a fruit at random and does not replace it. Then Beth picks a fruit at random. What is the probability that Jonas gets a peach and Beth gets

    asked by .
  26. Calculus

    A man starts walking north at 4 ft/sec from point P. Five minutes later a woman starts walking south at 5 ft/sec from a point 500 ft due east of P. At what rate ae the people moving apart 15 minutes after the woman starts walking? Draw a diagram. 1) What

    asked by Lauren
  27. Physics

    Two boys standing on carts that move along a horizontal frictionless surface. The mass of each boy-cart combination is 100 kg, and each moves initially with the velocities of: Boy A 7cm/sec and Boy B: 10cm/sec. The boy on cart A throws a 2kg ball to the

    asked by Danisha
  28. physics

    During a thunderstorm, the separation between the clouds and the earth acts as a giant capacitor with a capacitance of 2,500 µF (µ is the SI prefix for 10-6). If a tower is struck by a lightning bolt that releases 50 C of charge, how much energy is

    asked by shirley
  29. Calculus

    Find the linear approximation of the function f(x)=^3sqrt(1+3x) at a=0 and use it to approximate ^3sqrt(1.03)Is this an overestimate or underestimate of the actual value? Explain your answer in terms of the tangent line and the curve.

    asked by Anonymous
  30. algebra.. PLEASE help me!!

    A company manufactured 1,000 televisions. Testing showed that 20 of the televisions were defective. PART A: What is the experimental probability that the next television will be defective? PART B: Based on the probability in PART A, how many of the next

    asked by Alexandrea
  31. if provided with solid Na acetate and 6.3M acetate

    If provided with Na acetate and 6.3M acetate acid.decribe how you will prepare 1L of 0.1M acetate buffer pH=5.0[pka=4 acetate acid=4.75,and Na=23,c=12,H=1,O=16]

    asked by Ekhaisomi rosejoy
  32. Algebra

    The function f(x)=x 3 +1 4 x−1 4 is a monotonically increasing function, hence it is injective (one-to-one), so its inverse function exists and is well defined. How many points of intersection are there, between the function f(x) and its inverse f −1

    asked by Jacob
  33. math

    if you have a 4 kg block and divide it into 8 equal blocks. what will be the mass of each block in grams?

    asked by nico
  34. Algebra 2

    Use the laws of logarithms to condense the following expressions. log base 5 of 6 - log base 5 of x

    asked by Anonymous
  35. calculus

    Find the centroid of 4 particles of equal mass located at (0,0), (4,2), (3,-5), and (-2,-3)

    asked by harry
  36. Finance for Business

    The taught capital structure for QM Industries is 45% common stock 7% preferred and 48% debt. If the cost of common equity for the firm is 17%, the cost of preferred stock is 10%, the before-tax cost of debt is 8.4% and the firm tax rate is 35%, what is

    asked by University of Phoenix
  37. English

    Fill each blank with a coordinating word or phrase and proper punctuation in order to form a combined sentence. 1.Exercise has become very popular today _______ millions of Americans run or jog. 2.Exercise is fun _______ exercise is a good way to stay

    asked by Peter
  38. Calculus

    Bruce has commissioned the construction of an open-top rectangular tank to be fashioned from a 3m by 5m sheet of steel. Squares will be cut from each corner and sides will be bent upward to form the tank to be used for live bait storage. Find the

    asked by Mike Sowells
  39. Analytical Chemistry

    A solution prepared by mixing 51.4 mL of 0.340 M AgNO3 and 51.4 mL of 0.340 M TlNO3 was titrated with 0.680 M NaBr in a cell containing a silver indicator electrode and a reference electrode of constant potential 0.175 V. The reference electrode is

    asked by Micki
  40. basic english

    Dolly must clean up her room before she goes out. In this sentence, what word begins the subordinate clause?

    asked by Arianna
  41. English

    choose the phrase in which commas are used correctly to complete the sentence. Is ______ your favorite painter? A., Paul Cezanne, or Pablo Picasso B.Rembrandt Paul Cezanne or Pablo Picasso I think it is A

    asked by Cassie
  42. ECU

    Which of the following is not an appropriate technique for the assessment of preschool children? A. Visual documentation through photos or videotaping B. Play-based assessment C. Written standardized tests D. Child interviews

    asked by Anonymous
  43. Analytical Chemistry

    A solution prepared by mixing 51.4 mL of 0.340 M AgNO3 and 51.4 mL of 0.340 M TlNO3 was titrated with 0.680 M NaBr in a cell containing a silver indicator electrode and a reference electrode of constant potential 0.175 V. The reference electrode is

    asked by Micki
  44. physics

    In the figure below, a square of edge length s is formed by four spheres of masses, m1, m2, m3, and m4. What is the x-component and the y-component of the net gravitational force from them on a central sphere of mass m5. State your answers in terms of the

    asked by brookel
  45. Physics

    An object that is 32 cm in front of a convex mirror has an image located 17 cm behind the mirror. How far behind the mirror is the image located when the object is 24 cm in front of the mirror?

    asked by Joe
  46. math

    Graph the quadratic functions y = -2x2 and y = -2x2 + 4 on a separate piece of paper. Using those graphs, compare and contrast the shape and position of the graphs.

    asked by Boobear
  47. 8th grade math!!!!! :)

    Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 The sequence is neither geometric nor arithmetic. 2. –4, 8,

    asked by jessie
  48. chemistry

    I did an experiment today called "removing tarnish". we removed tarnish from a fork wrapped in foil paper. Now i have to answer some questions. please correct me if i answer them wrong. im not the best in chemistry. thanks. 1. describe the odor of the

    asked by jontson
  49. Psychology

    Most neurons send information to: A. glial cells. B. the nucleus. C. other neurons. D. muscle groups

    asked by Angela
  50. math

    a sameple of 137 firecrackers contained 6 duds. how many duds would you expect in a sample of 2466 firecrackers?

    asked by pam
  51. physics

    Find the work done when a 20 kg sled is pulled across level ground by a rope that makes a 50 deg angle with the horizontal. The sled moves 40 m and the rope is pulled with 10 N of force. If the work done by friction is 240 J, what will happen to the

    asked by sped
  52. Psychology Counselling

    I need to Interview a Counsellor. Can you suggest some questions can I ask about her job? Thanks!

    asked by Jes
  53. chemistry

    you heat 4.31 grams of a nickel 2 phosphate hydrate. You heat to a constant mass of 3.09 grams. What is the formula of this hydrate?

    asked by Daisy
  54. science

    You are a maker of hot air balloons and wish to construct a balloon that will lift you and a friend to places unknown. Your standard balloon design is a perfectly spherical, nylon fabric balloon with a small hole on the bottom for the burner that heats the

    asked by Sahil
  55. physics

    A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3 hours, the boats heading is changed to due South and it travels for an additional 2 hours at 5 knots. Using a Vector diagram,

    asked by Chad
  56. physics

    A rocket cruising past earth at 0.800c shoots a bullet out the back door,opposite the rocket's motion,at 0.900c relative to the rocket. What is the bullet's speed relative to the earth?

    asked by Ted
  57. Social Studies

    When Nelson Mandela received the Nobel Peace Prize, he gave a speech in which he noted the contributions of Martin Luther King Jr. Here are some words of his speech: "...It will not be presumptuous of us if we also add, among our predecessors, the name of

    asked by Jerald
  58. English

    Question: Does 'What's up?" mean "How are you"? or "Hello, what are you doin g"? •English - Ms. Sue, Thursday, April 11, 2013 at 5:38pm Yes. It's an informal way of greeting someone. It's mostly used by young people. ================== Thank you for your

    asked by rfvv
  59. Englishh

    if my quote is exactly 4 lines do i have to indent it using MLA formatting an citations

    asked by Kendra
  60. 4th

    solve 1/2 + 17/35 =

    asked by lisa
  61. MARK TWAIN

    What is the formula for finding the perimeter of a square?

    asked by IZER
  62. Trigonometry

    factor 3sintheta+2sintheta-1

    asked by Taylor B
  63. Chemistry

    A student in lab gathered temperature and concentration data for the solubility of borax and generated a plot of ln(Ksp) vs. 1/T having the equation of the line y = -11655x + 35.585. Determine the temperature (in units of K) at which the reaction becomes

    asked by lisa
  64. Psychology

    A massage therapist stimulates the body, which in turn stimulates the

    asked by Free
  65. math

    how do you find a mode when all the numbers are different?

    asked by udaya
  66. Physics

    If an electric force of 550N is produced from two charges, one is 345C, the other is 125C. How far apart are the charges?

    asked by Andrea
  67. Geometry

    Let ƒÆ=sin −1 7 25 . Consider the sequence of values defined by a n =sin(nƒÆ) . They satisfy the recurrence relation a n+2 =k 1 a n+1 +k 0 a n ,n¸N for some (fixed) real numbers k 1 ,k 0 . The sum k 1 +k 0 can be written as p q , where p and q are

    asked by Jacob
  68. Psychology

    Sam can't decide if he wants to go to the grocery store. Sam may had a stroke to the: A. Frontal lobe. B. hypothalamus C. Temporal lobe D. Parietal lobe I pick A.

    asked by New
  69. Physics

    A projectile is fired vertically from Earth's surface with an initial speed v0. Neglecting air drag, how far above the surface of Earth will it go? (Use any variable or symbol stated above along with the following as necessary: ME for the mass of the

    asked by Rachel
  70. social studies

    ". . . I need not tell the brave survivors of so many hardfought battles, who have remained steadfast to the last, that I have consented to the result from no distrust of them. But, feeling that valor and devotion could accomplish nothing that could

    asked by Cassie
  71. Physics

    An electric force of 3x10^-8N is produced from an electrostatic point charge of 4x10^-10. It is 40cm from another electrostatic point charge. What is the charge of the second point?

    asked by Andrea
  72. physics

    the figure is 4.00 W. E 3.0 Ω 15.0 Ω 5.0 Ω 4.3 Ω 3.0 Ω Find the equivalent resistance of the circuit. Answer in units of Ω

    asked by Anonymous
  73. English

    Good claim/topic sentence for this question? Did Miep Gies face many important challenges during and after the time of the holocaust?

    asked by Emma
  74. physics

    Consider the following circuit. 7.3 Ω 3.0 Ω 3.0 Ω 4.5 Ω 1.0 Ω 3.0 Ω 4.5 Ω 19.0 Ω 19.0 Ω 30 V Find the equivalent resistance. Answer in units of Ω

    asked by Anonymous
  75. HISTORY

    What was the third force in Vietnam?

    asked by david
  76. algebra1

    a baseball is hit into the air. the path of the ball can be described by the equation h=23t-5tsquared, where h is the height in meters, and t is the time in seconds. how high is the ball after 3 seconds?

    asked by tracy
  77. Calculus

    The velocity of an object t seconds after it started moving is 6). Find the total change in the object's position in the 6th second.

    asked by Katie
  78. Algebra 2

    Find the x-intercept of y-7=3^(x+4). My answer: ( (log base 3 of -7) minus 4)

    asked by Anonymous
  79. Grammar

    Hi beautiful people! Quick question if you are writing a congratulatory letter should you say - I would like to take the time to congratulate you on your extraordinary commitment to XXX charity. OR - I would like to tak ethe time to congratulate you for

    asked by Em
  80. home economics, life science, mathematics and tourism

    What career is ther when taking those subjects

    asked by Evangeline
  81. Calculus

    The unit selling price p (in dollars) and the quantity demanded x (in pairs) of a certain brand of women’s shoes are given by the demand equation p(x) = 100e^-0.0001x f or 0 _< x _< 20,000 a. Find the revenue function,R. (Hint: R(x)= x(p(x)), since the

    asked by Tima
  82. Chemistry

    I need help starting this question... A buffer solution is prepared by adding 30.0g of pure acetic acid to 41.0g of sodium acetate in water, and then diluting the solution to 1.00L. What is the pH of the buffer solution?

    asked by a Canadian
  83. ece

    Which of the following statements about large motor development in children is correct? A. Catching a ball is easier than throwing for two- and three-year-olds. B. Kicking a ball is difficult for preschool children because it requires balancing skills and

    asked by Anonymous
  84. health

    The National Weight Control Registry found in their research that those who had maintained a significant weight loss reported improvements in ________.

    asked by Aquillah
  85. confederation college

    1.52 kg box slides 1.24 m a long a level surface.the co-efficient of kinetic friction between book and surface is 0.140.find the work done by friction?

    asked by karan
  86. Algebra :( help me

    The table below shows the weekly earnings of two groups of employees working part-time at a local grocery store. GROUP A:$245, $224, $218, $295, $214, $312, $284 GROUP B:$223, $230, $310, $246, $295, $301, $215 PART A: Which measure best describe the

    asked by Alexandrea
  87. math

    helow answer. show work how to figure out the below (1.2)square root + (2.8) sq. root = 3.1

    asked by Rosie
  88. Calculus

    The present value of a building in the downtown area is given by the function P(t) = 300,000e^-0.09t+¡Ìt/2 f or 0 ¡Ü t ¡Ü 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value

    asked by Deeno
  89. Chemistry: Please check answers

    1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is ____. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest

    asked by Cassie
  90. Chemistry

    20.00mL of a 1.100E-4 mol/L Pb(NO3)2 is mixed with 80.00mL of 4.450E-2 mol/L CaI2. Will a precipitate form? Here's what I did... [Pb2+] c=n/v = (1.1E-4 mol/L x 0.02L)/(0.02L + 0.08L) = 2.2E-5 mol/L [I-] c=n/v = (4.45E-2 mol/L x 0.08L)/0.1L = 3.56E-2 mol/L

    asked by a Canadian
  91. Algebra(1st one was typo)

    The function f(x)=x^3 +1/4 x −1^4 is a monotonically increasing function, hence it is injective (one-to-one), so its inverse function exists and is well defined. How many points of intersection are there, between the function f(x) and its inverse f^−1

    asked by Jacob
  92. Calculus

    The present value of a building in the downtown area is given by the function P(t) = 300,000e^-0.09t+¡Ìt/2 f or 0 ¡Ü t ¡Ü 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value

    asked by Deeno
  93. physical science

    What is the density of a suitcase that has a mass of 25 g and a volume of 13 cm3? Formula: Density = Mass/Volume

    asked by Anonymous
  94. Crown poly

    0.012moldm^3 of H2SO4 was prepared in 2 litre of volumetric glass.calcute (a)mass concentration. b.moles of H2SO4 used. C.density of solution

    asked by Jummy
  95. physics

    From a cliff that is 8.9 m above a lake, a young woman (mass 44 kg) jumps from rest, straight down into the water. At the instant she strikes the water, what is her de Broglie wavelength?

    asked by PLEASE AND THANK YOU
  96. English

    What are some connections* to Rip Van Winkle? *Connection to... -Self -World

    asked by Kim
  97. math

    A 4inch-thick concrete slab is being poured for a circular patio 14 feet in diameter. Concrete costs $55 per cubic yard. Find the cost of the concrete, to the nearest cent.

    asked by brittany
  98. tg3x-1=0

    Find solutions

    asked by Rachel
  99. applied business math

    5 + 4 = 12 is an equation of equality.

    asked by Anonymous
  100. information technology (elphi)

    I need help with my PAT phase en I need to know what must go into the pat file and the whole layout of it

    asked by lesley
  101. Algebra

    Let N=1!*2!*3!*4!…9!*10! .Let 2^k be the largest power of 2 that divides N . What is the value of k ?

    asked by Anonymous
  102. Algebra 2

    Use the laws of logarithms to condense the following expressions. log base 3 of 2 + 2 log base 3 of x

    asked by Anonymous
  103. Geometry

    ABC is a triangle with circumcenter O , obtuse angle BAC and AB

    asked by Anonymous
  104. Algebra 2

    use the laws of logarithms to expand the following expressions log base 2 of xãy

    asked by Anonymous
  105. Geometry

    Let ƒÆ=sin −1 7 25 . Consider the sequence of values defined by a n =sin(nƒÆ) . They satisfy the recurrence relation a n+2 =k 1 a n+1 +k 0 a n ,n¸N for some (fixed) real numbers k 1 ,k 0 . The sum k 1 +k 0 can be written as p q , where p and q are

    asked by stranger
  106. Geometry(first one is typo)

    Let ƒÆ=sin −1 7/25 . Consider the sequence of values defined by a n =sin(nƒÆ) . They satisfy the recurrence relation a n+2 =k 1 a n+1 +k 0 a n ,n¸N for some (fixed) real numbers k 1 ,k 0 . The sum k 1 +k 0 can be written as p q , where p and q are

    asked by stranger
  107. Thermodynamics

    Suppose you start with a liquid mixture of 60% nitrogen and 40% oxygen. Describe what happens as the temperature of this mixture increases. Be sure to give the temperatures and compositions at which boiling begins and ends.

    asked by Tina
  108. calculus

    Find the particular solution of the following differential equation by using the given boundary conditions. y(1+x)=x(y+1)(dy/dx) when y=1 x=1

    asked by harry
  109. Social- history

    Spanish power grows Im only stuck on this quesion, How were charles V and Philip ii alike and different in their goals of ensuring absolute power and strengthening catholisism?

    asked by Jim
  110. calculus

    Find the coordinates of the centroid of the following volume of revolution formed by rotating the area bounded by y^2-4=-x^2, x=0,x=1, And the "x" axis about the "x" axis.

    asked by harry
  111. science

    A satellite completes one revolution of a planet in almost exactly one hour. At the end of one hour, the satellite has traveled 2.0 × 107 meters and is only 10 meters away from its starting point. What is the numerical value of the satellite's average

    asked by heidi
  112. calculus

    Find the specified coordinates of the centroid of the area bounded by a) x=3 and 2x=y^2 find the coordinates x and y of the centroid b) y= x^3 and y=4x in the first quadrant. Find the x coordinate of the centroid

    asked by harry
  113. calculus

    find the solution: e^y=1/(y^'+1)

    asked by harry
  114. calculus

    find the solution: (y^(2) dx)/(1-x)=dy

    asked by harry
  115. phyics

    A 0.2 kg plastic ball moves with a velocity of 1.5 m/s. It collides with a second plastic ball of mass 1.8 kg, which is moving along the same line at a speed of 0.1 m/s. After the collision, both balls continue moving in the same, original direction. The

    asked by MEEEEE
  116. math

    Expand the expression 3(x+4) 6(2x+3) 2(7+6x)

    asked by Deken
  117. physics

    when 100 J of work is done on a stationary flywheel ( that is otherwise free to rotate in place), its angular speed increases from 60 rev/min. What is its moment of inertia?

    asked by Anonymous
  118. math

    Expand the expression 3(x+4) 6(2x+3) 2(7+6x)

    asked by Deken
  119. chem

    La(s) ¨ La(OH)3(aq) (basic solution) Complete and balance the following half-reactions

    asked by sarah
  120. English

    Expand each sentence below by adding words or phrases that modify the verb. Questions after each item suggest details you can add. 1.A French girl found them. Who was with the girl? In what time period did she find them? 2.The news spread about the Lascaux

    asked by Julian
  121. math

    Indicate whether each statement is true or false by checking the appropriate box in the table below. a. 2x is a factor of the expression (2x + y ). True or False b. (2x + y ) is a factor of the expression 3(2x + y ). True or False c. (2x + y ) is a sum of

    asked by peter
  122. chemistry

    Please i tried to give this answer on a quiz but it was not accepted. To name this alkane: CH3CH2CH2CHCH3 with a substituent of CH3 on 2nd carbon.

    asked by Rashidat
  123. Physics

    Particle A of charge 2.76 10-4 C is at the origin, particle B of charge -6.54 10-4 C is at (4.00 m, 0), and particle C of charge 1.02 10-4 C is at (0, 3.00 m). We wish to find the net electric force on C.

    asked by Alex
  124. English

    What are some connections* to Rip Van Winkle? *Connection to... -Self -World I need connection to other books and things

    asked by Kim
  125. Physics Electric Force

    Particle A of charge 2.76 10-4 C is at the origin, particle B of charge -6.54 10-4 C is at (4.00 m, 0), and particle C of charge 1.02 10-4 C is at (0, 3.00 m). We wish to find the net electric force on C. (a) What is the x component of the electric force

    asked by Alex
  126. math

    suppose your salary was 28,500 in 2010 and 32,000 in 2016. Assume your salary follows a linear growth pattern.

    asked by bob
  127. LA

    Which description best captures Abraham Lincoln's approach to slavery before he signed the Emancipation Proclamation? A;Lincoln was himself pro-slavery, but thought that states should have the right to choose whether or not slavery was legal. B;Lincoln was

    asked by ben
  128. math

    Which is the best way to find the weight of an elephant? A) gallon B) ounce C) kilogram D) liter Is it B?

    asked by Celest
  129. English

    another possible solution to Henry's problem in The Californian's Tale?

    asked by Linnie
  130. economics

    Suppose average movie attendance is 250 million tickets when prices are $7 a ticket and 200 million when prices are $9 a ticket. Other things being equal, the data imply that the elasticity of demand for movie tickets is: A. elastic, so the increase in

    asked by ALRL
  131. physics

    One end of a horizontal string is fixed to a wall. A transverse wave pulse in the form of a crest is generated at the other end and moves toward the wall, as shown. Consider the pulse after it has been reflected by the wall. v What is/are correct

    asked by Anonymous
  132. Calculus

    The speed of a runner increased steadily during the first three seconds of a race. Her speed at half-second intervals is given in the table below. Find lower and upper estimates of the distance she covered during the first three seconds of the race. Use

    asked by Anonymous
  133. Geometry

    Two players each flip a fair coin. The probability that they get the same result can be expressed as a b where a and b are coprime positive integers. What is the value of a+b ?

    asked by John
  134. physics

    Three point charges +q are placed at corners of a square with sides of length L. + + + A B L O What is the potential at point A?

    asked by Anonymous
  135. Math

    You deposit $6,700 in a money-market account that pays and annual interest rate of 3.3%. The interest is compounded quarterly. How much money will you have after 4 years

    asked by Dakota
  136. Precalc with Trig

    What value(s) of x from 0 to 2pi solve the following equation: cos squared x - cos x - 6 = 0

    asked by Natalie
  137. Calculus

    A friend of mine was selling the lumber from his old barn to be repurposed. Knowing that I liked old wood, he set aside a board totaling 12 feet in length for me. I want to cut it to form a rectangular frame for a mirror. What should the dimensions be to

    asked by Mike Sowells
  138. Geometry

    A set of three distinct positive integers has mean 4 and median 5. What is the largest number in the set?

    asked by John
  139. Geometry

    Arpit is thinking of a 2-digit number where the tens digit is twice the ones digit. How many different numbers can Arpit be thinking of?

    asked by Andy
  140. Calculus

    Marty wants to make a replacement part for a aeration machine that he is working on. He decides to take a rectangular sheet of metal with perimeter of 46cm and dimensions x cm nd y cm and roll it into a right circular cylinder as shown below. What values

    asked by Mike Sowells
  141. Algebra

    Raj and Vikram are two travelers in ancient India, walking along the Silk road. On the first day of travel, Raj travels 5 yojanas, and on each successive day travels 3 yojanas more than the previous day. Vikram started at the same place and travels the

    asked by Sasha
  142. Calculus

    An object at rest begins moving horizontally on the x-axis, starting at position x(t) = 0 feet at time t = 0 seconds.Suppose, after exactly 2 seconds we measure the position of the object to be 3 feet to the right of the origin AND measure the object to be

    asked by Rosie
  143. Calculus

    Below is a table containing information about differentiable functions f and g: x: -2 -1 0 1 2 f(x): 4 3 5 2 1 f'(x):1 4 2 5 3 g(x): 5 2 1 3 4 g'(x):3 5 4 1 2 F(x) + g(x), G(x)=f(x) * g(x), H(x) = g(x)/f(x) Find F'(-1) Find G'(0) Find H'(-2)

    asked by Lauren
  144. Algebra

    Mickey went to Donald Dee's to buy 75 milkshakes for his party. Each milkshake cost the same integer amount of cents. In total, Mickey spent at least $124.00 on milkshakes. What is the smallest possible cost (in cents) of a milkshake?

    asked by Sasha
  145. Statics

    85 lb force is applied to the 200lb crate, which is stationary before the force is applied. Determine the force exerted by the horizontal surface on the crate

    asked by Tasha
  146. math

    some years in the 20th century have 4 different odd digits. How many of those years have the sum of the digits greater than 20?

    asked by al
  147. life orientation

    1.Identify and describe 3 environmental health hazards that cause ill health,globally.Include evidence that is current of the identified issues.Use graph,statistics,pictures etc 2.Critically discuss 10 ways in which the environmental health hazard can

    asked by tlou
  148. Algebra

    a,b,c are positive integers such that a:b=7:9 and b:c=12:7 . What is the smallest possible value of a ?

    asked by Andrew
  149. Calculus

    An animal population is increasing at a rate of 150+20t animals per year. By how much does the animal population increase between year 5 and year 8?

    asked by Daniel
  150. math

    If the temperature at 10 o'clock is 46 degrees ,at noon it is 54 degrees, 2 o'clock it is 62 degrees, at 6 o'clock it is 60 degrees what would the temperature at 4 o'clock be

    asked by tanner
  151. Physics

    a cars speedometer reads 20 m/s after acceleration from standing start, for 25s. what was the magnitude of acceleration?

    asked by Kydera Taft
  152. Algebra 1

    (5p^2-3)+(2p^2-3p^3) Simplify the expression I don't know how to do that

    asked by Candy
  153. Physics

    How much work is done pushing a wheel barrow full of cement 5.3m forward if a force of 500N is applied 20 degrees from the vertical?

    asked by Ted
  154. Physics!! HELP

    A group of swimmers is resting in the sun on an off-shore raft. They estimate that 2.5 m separates a trough and an adjacent crest of surface waves on the lake. They count 15 crests that pass by the raft in 15 s. How fast are the waves moving? _____m/s

    asked by Jessica
  155. Statistics and Research Methods

    Trying to understand these two correlations using the Pearson r. How do i interrupt the relationships 1)Just World and Locus of control r=-.224 p-value=.210 (Sig. 2-tailed) 2)Just world and Authoritarianism r=.329 p-value=.062 3)Locus of Control and

    asked by DrewS
  156. Chemistry

    You extract the iron from a tablet and dilute that to 250.0 ml in a volumetric flask. You transfer 0.400 ml of this solution to a 25.0 ml volumetric flask and dilute this to volume. When you measure the concentration of this solution, you find that it is

    asked by Spider
  157. Physics30

    Changing Momentum The illustrations show two ways of providing impulse to change the momentum of a vehicle. In the top illustration, the vehicle collides with a massive concrete barrier. In the bottom illustration, the vehicle collides with water-filled

    asked by alejandro
  158. math

    solve the problem the national debt is $$44,280,000,000 and the population is 4,920,000.what is the debt per person

    asked by marsha
  159. Math

    Write equations for four lines that intersect to form sides of a paralleagram

    asked by Stefanie
  160. grammar

    the music is so cheerful that it ___1___ you to hum or whistle along. if you can't carry a tune, you will be ____2____ time to the music. in his teens he was ____3_____ orchestra. using the correct verb form, (force, direct, tap) i think it is 1) forces

    asked by Anonymous
  161. PHYSICS

    The string is 0.80 m long with tension 7.00 N. The total mass of the string is 0.012 kg. Find the wavelength of this standing wave in meters

    asked by Anonymous
  162. bonds

    YOU WANT TO BUY A TREASURY BILL WHOSE FACE VALUE IS $20000 IN 30 DAYS. THE INTEREST RATE IS 4.61%. HOW MUCH WILL YOU HAVE TO PAY FOR THE BILL?

    asked by ALICE
  163. Algebra2

    Combine, rewrite & solve: 4 log base 9 of 3 = x log base x of 12 + log base x of 18 = 3

    asked by Anonymous
  164. physics

    state the laws of refraction of light

    asked by abubakar
  165. Fashion and fabrics

    For Which type of fabrics r ball point mchne ndles recomended n why.

    asked by Gugu
  166. geometry

    a rectangular patio is 13 feet by 84 feet. In walking from one corner of the patio to the opposite corner, how much distance is saved by cutting diagonally across the patio rather than walking around the outer edge?

    asked by Neima
  167. Physics

    In the absence of a nearby metal object, the two inductances (LA and LB) in a heterodyne metal detector are the same, and the resonant frequencies of the two oscillator circuits have the same value of 580.0 kHz. When the search coil (inductor B) is brought

    asked by Anonymous
  168. math

    what have 50 legs but cannot walk

    asked by Anonymous
  169. Fashion and fabrics

    Gvng reasns ,explain fuly hw 2 press è embroiderd bib bfre attaching it to e apron.

    asked by Gugu
  170. programming

    create a program that prompts the user for a number the returns the value on the main method after validation.Create a method that promts the user for input?

    asked by thabo
  171. Chemistry

    Which of these processes will lower the glass transition temperature of a glass? 1 - Increase the cooling rate 2 - Decrease the cooling rate 3 - Increase amount of network modifier 4 - Decrease amount of network modifier 5 - Quench the glass to cool the

    asked by Anonym
  172. Business math

    PROBLEM 1 The video discusses the requirements of a package to qualify as freight. A package must weigh at least 151 pounds. It must be palletized, stackable, forklift-friendly and shrink-wrapped or banded for stability. The uniform cargo footprint can be

    asked by maggie
  173. math

    The variance of the standard normal distribution is equal to

    asked by Bruce
  174. English

    choose the phrase in which commas are used correctly to complete the sentence. I don’t know very much about _________. A.painting sculpture or drawing B.painting, sculpture, or drawing I think it is B...?

    asked by Cassie
  175. math

    Factor each polynomial, if possible. If the polynomial cannot be factored, write prime. 15b^2-24bf

    asked by Melea
  176. Analytical Chemistry

    A solution prepared by mixing 51.4 mL of 0.340 M AgNO3 and 51.4 mL of 0.340 M TlNO3 was titrated with 0.680 M NaBr in a cell containing a silver indicator electrode and a reference electrode of constant potential 0.175 V. The reference electrode is

    asked by Micki
  177. Math

    In 1800, the area of the United States was 891,364 square miles. After the Louisiana Purchase in1803,the area increased by about 93%. What was the area of the United States after the Louisiana Purchase? Round to the nearest square mile

    asked by Daniel
  178. English

    1. Which of the following would not be a helpful audiovisual aid for a presentation on drought? a poster on the effects of drought in regions around the world a short video of a farmer talking about the difficulties caused by drought an icebreaker cartoon

    asked by Cassie
  179. chem

    calculate the concentration of all ions present in 58.7 mg NH4Br in 500 mL of solution

    asked by celine
  180. Physics Hear

    1) Peter is heating water on the stove to boil eggs for a picnic. How much heat is required to raise the temperature of his 10.0-kg vat of water from 20.0℃ to 100.0℃? Formula>> Q=mTcp 2)Under the spreading chestnut tree of the village blacksmith dunks

    asked by Isis
  181. German

    Fill in the blank with the correct German form. Das Kind ____ die Straße überquert. ist sind hat sein

    asked by bubbie
  182. English

    choose the phrase in which commas are used correctly to complete the sentence. The Internet allows Frank to ________. A.play games, send e-mail, and browse Internet sites. B.play, games, send e-mail, browse Internet sites. I think it is A

    asked by Cassie
  183. business

    what studies should i take if i pass my business studies with higher marks?...(I'm in grade 12)

    asked by paballo
  184. Chemistry

    A 10 mL sample of 1.5 M Potassium Phosphate is placed in a 100 mL volumetric flask and diluted to the mark. What is the Molar concentration of Potassium ions in this diluted solution?

    asked by Jo
  185. science

    The _____ is an example of a joint that allows little to no movement, called a(n) _______ joint. (1 point) pelvis; immovable skull; movable ball-and-socket; movable vertebrae; immovable My Answer: 1)D Is this correct?

    asked by Gabby
  186. math

    how many miller meaters does it take to make aleader

    asked by Garret
  187. Chemistry

    The Ka of a monoprotic weak acid is 4.47 × 10-3. What is the percent ionization of a 0.184 M solution of this acid?

    asked by Dee
  188. math

    writing algebraic expressions: 1. there were 3 times more sugar cookies baked than chocolate chip cookies 2. the kids ate 10 fewer cookies than the number of pies they made to sell 3. kino & sandra made 12 more pounds of cookie dough than tommy

    asked by Lori
  189. Math

    Find the Least Common multiple of the two expressions: 24x^2-96 & 18x^2+18x-36

    asked by Luke
  190. algebra

    in the past professional baseball was played at the astrodome in Houston, Texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t + 45t

    asked by anon
  191. Life orientation

    5 ways in which the teenage pregnancy problem impacts on the community

    asked by Nkateko
  192. German

    Ich habe spiele gespielt. would this be correct for "I played games"?

    asked by bubbie
  193. Biology

    Through the process of spermatogenesis __________ sperm are created, whereas oogenesis creates ________ egg(s) and _________ polar bodies.

    asked by Steve
  194. math

    Robin tosses a fair coin and then draws a ball from a bag that contains one red, one blue, and one green ball. What are the possible outcomes for the experiment? Explain your answer.

    asked by syram
  195. LA

    How did the Civil War affect the Northern and Southern economies? A;bounties B;greenbacks C;draft D;habeas corpus

    asked by justin
  196. 10th grade chemistry

    How many grams of kno3 can be dissolved in 100g of h2o at 50°c

    asked by Kimdrick
  197. social studies

    what religion did India's mughal conquerors follow

    asked by sydney
  198. algebra

    the som of three consecutive even integers is -30

    asked by Anonymous
  199. math

    The school meeting is on the 199th day of the calendar year, in (what month)?

    asked by me
  200. Chemistry

    How many milliliters water are needed to make a 0.171 M solution that contains 1.00 g of NaCl?

    asked by Rob
  201. english

    What is the pronoun in let us think of a way to clean up litter,said matt and lynn .then write the underline words that they replace.

    asked by Anonymous
  202. heat capacity , physics

    if an electric kettle of 5ooW power and water in it,is heated.the temperature change from10-15c for 100 sec.find the heat capacity

    asked by saby
  203. HIGH SCHOOL DIPLOMA - Writing Skills 1

    1. Which of the following is correct in regard to the use of formal English? A. Formal English is used more frequently in speaking than in writing. B. In formal business correspondence, it's best keep the language impersonal. C. Contractions are considered

    asked by annoymous
  204. Physics

    A small mirror is attached to a vertical wall, and it hangs a distance of 1.81 m above the floor. The mirror is facing due east, and a ray of sunlight strikes the mirror early in the morning and then again later in the morning. The incident and reflected

    asked by Sue
  205. physics

    What wavelength of sound would a bat need to detect a 1cm diameter mosquito? Also, if it took 0.3 seconds for sound to return to a moth how far away would the moth be?

    asked by Shelby
  206. Physics

    An object is placed 11 cm in front of a concave mirror whose focal length is 23 cm. The object is 3.6 cm tall. Determine (a) the location of the image, taking a real image as a positive value and a virtual image as a negative value. (b) Determine the

    asked by Elena
  207. social studies

    I am to draft a six to eight paper based on a life changing decision me or someone in my community has to make. I am considering writing about returning to school but I am not sure how to start. Any suggestions.

    asked by angela
  208. Physics

    An object is placed in front of a convex mirror with radius of curvature = 17 cm. The object's height is 3.5 cm and it is initially 25 cm in front of the mirror. Find the (a) location and (b) height of the image. Next the object moves closer to the mirror,

    asked by Joe
  209. Physical Science

    How does gravity help keep satellites in orbit?

    asked by Anonymous
  210. Physics

    A small statue has a height of 3.8 cm and is placed in front of a concave mirror. The image of the statue is inverted, 1.9 cm tall, and located 14 cm away from the mirror. Find the focal length of the mirror.

    asked by Bob
  211. math

    what shape is a brick

    asked by Anonymous
  212. Physics

    A mirror produces an image that is located 50.0 cm behind the mirror, when the object is located 5.50 cm in front of the mirror. (a) What is the focal length of the mirror? (b) Is the mirror 1 - concave or 2 - convex? (Give the number of the correct

    asked by Sam
  213. math

    Four identical squares, lined up side by side, form a rectangle whose area is 144. What is the perimeter of three of the squares?

    asked by anonymous
  214. Pre Calculus

    I keep trying to solve this by factring but I can't seem to get! It's so frustrating! The problem is 1+tan2x=0 This is how I worked the problem before: 1+((2tanx)/(1-tan^2x))=0 ((2tanx)/(1-tan^2x))= -1 Then I cross multiplied to get: -1 + tan^2x = 2 tanx

    asked by Jen
  215. Social Studies

    When Nelson Mandela received the Nobel Peace Prize, he gave a speech in which he noted the contributions of Martin Luther King Jr. Here are some words of his speech: "...It will not be presumptuous of us if we also add, among our predecessors, the name of

    asked by Jerald
  216. Pre Calculus

    Having trouble verifying this identity... cscxtanx + secx= 2cosx This is what I've been trying (1/sinx)(sinx/cosx) + secx = 2cosx (1/cosx)+(1/cosx) = 2 cosx 2 secx = 2cosx that's what i ended up with, but i know it's now right. did i mess up with the

    asked by Alex
  217. math

    Rents a van at daily rate of $19.95 plus .39/mile, another company will rent same van for $39.95 plus .29/mile. for what mileage are the costs the same?

    asked by rj
  218. physics

    A man pushes a packing case of total mass 40kg across a floor at a constant speed of 0.5m/s by exerting a horizontal force of 100N what is the resultant force on the case how big was the force of friction acting on the case how much work was done in 3s

    asked by gngraqn
  219. physics

    A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road. The curve may be regarded as an arc of a circle of radius 39.6 m. If the coefficient of static friction between crate and truck is

    asked by Tapita
  220. Chemistry

    How many grams of co2 are in 3.92 times 10 to the 24th molecules

    asked by Shaun
  221. English

    Question: Does 'What's up?" mean "How are you"? or "Hello, what are you doing"?

    asked by rfvv
  222. Ka

    she needed a hook a line that would make the audience feel singers isolation. Q. what is the meaning of the word isolation as it is used in this sentence A. being alone b. being angry c. being restless d. being confused i pic B am i cerrect ?

    asked by sammi
  223. Psychology

    __________ serve as the cytoskeleton of the brain. They support the function of neurons by insulating, repairing, and nourishing them. A. Glial cells B. Dendrites C. Axons D. Cell bodies

    asked by Angela
  224. math

    maria shoveled snow fromher driveway in 55 min. tom can do the same job in 30 min. how long will it take to do it together?

    asked by pam
  225. math

    the speed of train A is 14 miles slower than train B. train A travels 210 miles in the same time it takes train B to travel 280 miles. Whats the speed of each train?

    asked by pam
  226. Psychology

    Information which comes to a neuron must arrive through its: A. axons. B. glial cells. C. prefrontal area. D. dendrites.

    asked by Angela
  227. Psychology

    According to the all-or-none law: A. all axons in an area will fight at a given signal. B. an axon moves from its resting state with various degrees of stimulation. C. only sufficient electrical activity will cause the axon to fire. D. there is a gradual

    asked by Angela
  228. math

    This chart shows Vic's workout times for the week. Day Number of Minutes Monday 45 Tuesday 50 Wednesday 36 Thursday 70 Friday 49 What was his total time? average (mean) time? total time = 4 hours and 10 minutes average ?

    asked by Anonymous
  229. math

    a student traveled 238km in 15 days. at the same ratio, how far would the student travel in 30 days?

    asked by pam
  230. math

    a student traveled 238km in 15 days. at the same ratio, how far would the student travel in 30 days?

    asked by pam
  231. Psychology

    Behavioral geneticists and evolutionary psychologists emphasize: A. environmental influence on development. B. the role of personality in development. C. the significance of hereditary factors in development. D. the importance of parenting skills in

    asked by Angela
  232. LA

    How did the Civil War affect the Northern and Southern economies? A;The North experienced more severe inflation than the South. B;Overall the South fared much worse economically than the North. C;The South experienced a boom in manufacturing. D;The North's

    asked by justin
  233. Math Geometery

    Is it possible to have more than one vertical line of symmetry? Why???

    asked by Corey
  234. college physics

    Juggles the clown stands on one end of a teeter-totter at rest on the ground. Bangles the clown jumps off a platform 2.5 m above the ground and lands on the other end of the teeter-totter, launching Juggles into the air. Juggles rises to a height of 3.8 m

    asked by Anonymous
  235. math

    An art teacher has a box of markers.She keeps half of the markers in the box and gives 1/3 of the other half to group A.The remaining markers were shared equally among the 8 students in group B.What fraction of the whole box does each of the students in

    asked by swagg
  236. English Comp I

    What would be a good thesis statement for a proposal essay

    asked by Cheryl
  237. History

    1. Puerto Ricans experienced which of the following when they migrated to the United States from Puerto Rico in the 1950s? Deportation as undocumented aliens Family friction and a reversal in traditional sex roles A middle-class lifestyle in the barrio

    asked by kristina
  238. physics

    A learner with a mass of 40 kg rides on a skate board with a mass of 3 kg. The resultant force on the learner and the skate board is 90 N. Calculate his acceleration.

    asked by Anonymous
  239. physics

    A learner with a mass of 40 kg rides on a skate board with a mass of 3 kg. The resultant force on the learner and the skate board is 90 N. Calculate his acceleration.

    asked by Anonymous
  240. Physics

    4. What does the slope of each of the following graphs stand for? (y versus x) a) mass vs volume b) velocity vs time c) mass vs force d) kinetic energy vs frequency e) sine incident angle vs sine refracted angle f) charge vs voltage g) voltage vs current

    asked by Alexis
  241. math

    1)I AM greater than 15 and less than 40 if you double me I become a number that ends in 0 1/5 of me is equal to 5 2) if you multiply me by 2 ,I become a number greater than 20 and less than 40 if you multiply me by 6,I end in 8 if you multiply me by 4 I

    asked by ethan
  242. Economics

    What describes a tax that is assessed according to benifits received principle? a.) Thosew who receive direct payment of the money tha tax generates are the people who pay the tax b.) Those who pay the tax receive the benifits the tax provides. c.)One

    asked by Brianna
  243. Math

    Jeremy got scores of 93,82,91, and 88 on his first four math test. What score must he get on the fifth test to have an average test grade of 90 for the five test ? Can someone explain step by step. Please

    asked by Jazmin
  244. real estate finance

    A property sells for $125,000 and the homeowner has a mortgage balance in the amount of $65,000. The seller is to pay the buyer's expenses in the amount of $1,000. Seller and buyer agree to close on November 18, 2012. Seller's annual propert taxes are

    asked by tmouery
  245. algebra1

    Alan went from San Francisco to Los Angeles ,about 400 miles,averaging (x+5)mph.On his journey from Los Angeles to Redding,about 500 miles,the average (x-5)mph.Then he returned to San Francisco,about 200 miles,averaging (x^2-25)mph.How long did it take

    asked by tala
  246. math

    Raymond is planting a border of 48 seedlings that will completely surround a rectangular garden. He wants to plant the seedlings 2 feet apart. If the garden plot is 30 feet long, how wide should it be?

    asked by natalie
  247. math

    Indicate whether each statement is true or false by checking the appropriate box in the table below. a. 2x is a factor of the expression (2x + y ). True or False b. (2x + y ) is a factor of the expression 3(2x + y ). True or False c. (2x + y ) is a sum of

    asked by peter
  248. trig

    What happens when you try to elevate sin-1(3/2)?

    asked by helen
  249. Geometry

    ABC is a triangle with circumcenter O, obtuse angle BAC and AB less than AC. M and N are the midpoints of BC and AO respectively. Let D be the intersection of MN with AC. If 2AD=(AB+AC), what is the measure of angle BAC ?

    asked by Andy
  250. english.. aka ELA

    When writing the first sentence and introduction, what do you do so the reader knows you understand your task?

    asked by syram
  251. economics

    what are the charectaristics of perfect market

    asked by seoke Bontle
  252. Algerba 1

    Write in Scientific Notation 1. (3X10to the tenth) (7X10to the -4th) 2. (5X10to the 4th)to the second Thanks so much!

    asked by katy
  253. ELA..

    If you do not know a word in reading a passage, what can you use to understand its meaning?

    asked by Nicole
  254. financial report

    the owner's equity section of the balance sheet should appear as

    asked by Anonymous
  255. Grammar

    For questions 7–11, each sentence is missing one type of punctuation. Choose the letter of the punctuation that correctly completes each sentence. Key: ☺ = My Answer! 7. The pet stores shelves were filled with items I wanted for my pets. a. apostrophe

    asked by Jman
  256. ela, english

    TRUE OR FALSE: It is imperative that you pace yourslef because of a test is timed?

    asked by Nicholas
  257. Math

    You bought an oil company stock for $83K per share. The price of the stock lost $16M during a six month period. Find the price of the stock at the end of the six months. How do I do this?

    asked by Mary
  258. LA

    Key: ☺ = My Answer! 1. Another word for buoyed is a. tired. b. bothered. c. lifted. ☺ 2. Distribution of a birthday cake involves a. cutting. ☺ b. baking. c. frosting. 3. To accumulate is to a. take apart. b. pile up. ☺ c. throw away. 4. A bogus

    asked by Jman
  259. Enlish ARTS

    What is important as a last step in writing an essay?

    asked by Kyle
  260. Chemistry

    What is the formula for CoCl2 with 45.5 percent water?

    asked by Christine
  261. science

    In DC which wire will lose more enrgy 5m copper or 5m aluminium?

    asked by chaitanya
  262. Algebra.. PLEASE help me!!

    Robin tosses a fair coin and then draws a ball from a bag that contains one red, one blue, and one green ball. PART A: What are the possible outcomes for the experiment? Explain. PART B: Three balls-one red, one blue, and one green-are added to the bag.

    asked by Syram
  263. Math-Stat Help

    In a random sample of 78 teenagers, 32 admit to texting while driving. Construct a 98% confidence interval for the percentage of teenager that text while driving. Start by showing that conditions for constructing a confidence interval are met. 1) Check

    asked by MELISSA
  264. chemistry

    Cathode = Cu2(s) + 2e- ¨ Cu(s) Anode = 2H2O(l) ¨ O2(g) + 4H(g) + 4e- Net = Cu2(s) + 2H2O(l) ¨ Cu(s) + O2(g) + 4H(g) the minimum voltage that must be supplied to electrolyze aqueous copper(II) sulfate

    asked by shyanne
  265. eng 2

    Benjamin Franklin was both a statesman and an inventor.

    asked by Anonymous
  266. Equilibrium

    A beam having a length of 20 metres is pivoted at its mid point. A 200 newton load is located at a point 5 m from the right hand end of the beam. A 300 newton load is located at a point 8 m from the right hand end. In order for the beam to be in

    asked by ken
  267. CHEM QUICK HELP

    Which of the following are correct statements? (Could be as many as 4) 1. Standard pressure is 101.3 atmospheres 2. One mole of gas contains 22.4 representative particles 3. One mole of gas always occupies 22.4 liters regardless of other conditions 4.

    asked by emily
  268. health

    the term "low blood" as referenced in the mountians of west virginia its meaning and treatments used.

    asked by geo
  269. physics

    Your written homework will be graded entirely on the clarity and completeness of your derivation. No credit will be awarded for a final answer without a derivation. As usual, simplify your final answers as much as possible. A giant Pez dispenser of mass m

    asked by Nick
  270. LA

    Here is a proposal that is sure to anger some people: Everyone— yes, everyone—should have a pet. I think we should require that everyone get a pet or else present a convincing reason why they can’t have one. There are almost too many arguments in

    asked by Jman
  271. chemistry

    A student estimated the volume of a liquid in a beaker to be 300 mL. When she poured the liquid into a graduated cylinder, she measured the volume as 295 mL. Considering the measurement in the graduated cylinder to be the accepted value, what is the

    asked by gamma
  272. math

    If the first of 1000 consecutive whole numbers is odd, their sum must be a) even b) odd c)prime d) negative Help?

    asked by kate
  273. Chemistry

    How much energy would be released when 675 grams of steam is condensed to water

    asked by Ashley
  274. Science

    How does gravity help keep satellites in orbit?

    asked by Anonymous
  275. statistics

    A pouch contains 59 green beads 78 red beads an 50 yellow beads how many blue beads should be added so that the probability of drawing a red bead is one third

    asked by morris
  276. finance

    4. a. Someone in the 36 percent tax bracket can earn 9 percent annually on her investments in a tax-exempt IRA account. What will be the value of a one-time $10,000 investment in 5 years? 10 years? 20 years? b. Suppose the preceding 9 percent return is

    asked by jone