Questions Asked on
February 11, 2015

  1. Algebra 1

    What is the value of n so that the expression x^2+11x+n is a perfect square trinomial?

    asked by Steve
  2. social studies

    What are some advantages and disadvantages of a reorganized family

    asked by jack
  3. chem

    How many chloride ions are present in 65.5 mL of 0.210 M AlCl3 solution

    asked by Anonymous
  4. Geometry

    A secant and a tangent to a circle intersect in a 42 degree angle. The two arcs of the circle intercepted by the secant and tangent have measures in a 7:3 ratio. Find the measure of the third arc. If someone could help me figure out how to do the

    asked by Ann
  5. english

    write a letter to your friend in another school telling him/her at least three ways you find life in the final year class is different from being in the class

    asked by Max okofo darteh
  6. math

    Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim x→∞ (sqrt(49x^2+x)−7x)

    asked by TayB
  7. Physics

    You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of F = (202i − 161k) N to try and move the 75.0-kg refrigerator. The coefficient of static friction is 0.640. a) how much static friction force does the

    asked by Pissed off at this question rn
  8. english

    To explore the ___________ , or effect of mythical literature on contemporary literature, a reader should identify key characters, settings, and plots. I am not sure what the "_____" is, I do ot have any options, help please?

    asked by katt
  9. Consumer Math

    Marta borrowed $1,380 for 15 months at 13 percent APR. How much will she pay in interest?

    asked by Coco
  10. Introductory Algebra

    the length of a rectangle is 7 meters more than twice the width. the perimeter is 68 meters. solve for length and width. I need this step by step using the blueprint...please.

    asked by Paul
  11. math 3

    maude hung 3 pictures on her wall. each picture measures 8 inches by 10 inches. what is the total area of the wall covered by the pictures?

    asked by bb love
  12. Chemistry

    Why should a mixture to be separated by column chromatography be introduced onto the column in a minimum amount of solvent?

    asked by Ryan
  13. HISTORY

    All of the following statements about the Declaration of Independence are TRUE except:

    asked by JASON
  14. math

    Farmer fred has 200 sheep on his farm he sells 40 of them what percentage of his sheep does he have left?

    asked by Manaria
  15. math

    A sheet of paper measure 40cm¡Á20cm.A strip 4cm wide is cut from it all around find the area of strip cut out and area of remeining sheet of paper

    asked by shehzad
  16. English 9

    Why does Neiterkob’s daughter most likely tell the myth “The Beginnings of the Maasai”?

    asked by Antony
  17. math 3

    an orange weight 198 grams. a kiwi weight 85 grams less than the orange. what is the total weight of the fruit? my answer is 283 grams is it correct?

    asked by bb love
  18. Chemistry

    Calculate the amount of heat (in calories) absorbed when 50.0g of water at 20C spreads over your skin and warms to body temperature, 37C. I don't understand how to figure this out - which number is the specific heat number? 20C or 37C? I know delta temp

    asked by HighHopes
  19. Chemistry 2

    If a gaseous sample contains 74% N2 by volume, what is the solubility of N2 in water at 25°C and 1.0 atm (kH in H2O at 25°C = 7.0 10-4 mol/Latm)?

    asked by Priya
  20. Science

    1) Which of the following describes the correct sequence of the movement of food during digestion? :Stomach, large intestine, small intestine :Mouth, esophagus, small intestine :Esophagus, stomach, small intestine*** :Small intestine, stomach, large

    asked by Food and Energy
  21. GEO

    On a map with a scale of 1:50,000, a measured distance of 7.5 cm. represents an actual distance of: ______ km. is the correct answer 375 km or 7.5cm = 0.00007500km given the map scale of 1:50,000

    asked by Dena
  22. ENGLISH GRAMMA

    1) The sun had nearly set when we reached home. Adverb qualify adverb 2) Modern trains can travel incredibly fast. - adverbs qualify adjective 3) The judges were utterly amazed at the performance.- Adverb qualify adjective 4) The bitterly cold winds have

    asked by NIYA ###
  23. math

    If a fowl is treated, probability of dying is 1/10 while if not treated the probability is 7/10 calculate the probability that, a fowl picked at random from the 36 fowl is (i) Treated with the drug and will die (ii) Not treated with the drug and will die

    asked by John
  24. algebra

    Annie and Ravi have two candles. One of them is one inch longer than the other. Annie lights the longer candle at 7:00 and RAvi lights the shorter candle at 8:30. At 11:00 the two candles are the same length. The shorter candle burns out at 12:30 and the

    asked by Anita
  25. math

    the volume of an equilateral triangular frustum is 183√3 m^3. the upper base, 9 in., above the lower base has an edge which measures 8 in. compute for the edge of the lower base.

    asked by herbert verdeflor
  26. Art

    1) How did francisco goya caricature to depict the figures in contemptuous of the insults? :The facial features of the frenchmen are exaggerated to show their confusion :The frenchman's hats are comically large to show their self importance :The frenchmen

    asked by External Memory
  27. Language Arts

    1. In "The Road Not Taken", the description of the wood as yellow A. tells us the wood is very young, not yet full grown. B. makes the setting seem churchlike. C. tells us the scene is taking place in noon. D. helps us see the scene as autumnal. Is the

    asked by Calie
  28. physics

    find the resistance of 134m of No.20 copper wire at 20 degrees C (p=1.72x10^-6Ohom cm , A= 2.07x10^-2 cm ^2)

    asked by physics
  29. Chemistry

    I need to make an Orbital diagram for Li2O. Could you help me find a helpful website or something?

    asked by Morgan
  30. marketing

    the first step in taking control of your finances is

    asked by Anonymous
  31. algebra

    The fraction of men in a population who are married is 2/3. The fraction of women in the population who are married is 3/5. What fraction of the population is single?

    asked by keith
  32. Physics

    Two point charges of +1.0 uC and -2.0 uC are located 0.50 m apart. What is the minimum amount of work needed to move the charges apart to double the distance between them? (k=8.99x10^9Nm^2/C^2)

    asked by Rene
  33. Physics

    A baseball player slides into third base with an initial speed of 3.8m/s. If the coefficient of kinetic friction between the player and the ground is 0.40, how far does the player slide before coming to rest?

    asked by Marissa
  34. math 3

    Kami scored a total of 21 points during her basketball game. she made 6 two-point shots and the rest were three-points shots. how many three-point shots did Kami make?

    asked by bb love
  35. history

    Why was emperor hoghwu represented in paintings (depicted)

    asked by Felicia
  36. Geometry

    Can you help me.the lengths of the sides of a triangle are in the extended ratio 3:10:12. The perimeter is 400cm. What is the length of the longest side in centimeters.

    asked by Dean
  37. Math

    A countertop is 16 feet long and 3 feet wide

    asked by bob
  38. statistics

    One of the tallest living men has a height of 263 cm. One of the tallest living women is 245 cm tall. Heights of men have a means of 177 cm and a standard deviation of 8 cm. Heights of women have a mean of 163 cm and a standard deviation of 4cm. Relative

    asked by slomo
  39. science

    what is true about red blood cells

    asked by sara
  40. physics

    A man named Harold is standing in a train car that has no windows. Since there aren't any windows, he doesn't know how fast or in what direction the train is moving or whether it is accelerating or decelerating. Harold decides that he might be able to

    asked by Michelle
  41. History

    which of the following best describes daily life in the south during the civil war? a.about the same as before the war because factories provided necessities b.difficult but tolerable because most people did not experience major changes c.better because

    asked by Help me
  42. Math

    Translate the sentence into an inequality. Six increased by the product of a number and 10 is at most −16 . Use the variable x for the unknown number.

    asked by Seth
  43. Science

    Why are the days typically hotter in June than in December here in the US? A.Beacuse the sun gives off more light and heat in the summer B.Because the Earth is closer to the sun in the summer and farther from the sun in the winter C.because the Earth's

    asked by M
  44. math

    Find a formula for a function that has vertical asymptotes x = 3 and x = 6 and horizontal asymptote y = 3.

    asked by Sarah
  45. math

    Find the horizontal and vertical asymptotes of the curve. y = 3x+6/x−7

    asked by Andrew
  46. Find the domain of the function

    Find the domain of the function. f(x)=8+3/x^3

    asked by Anonymous
  47. Math

    Explain It In one night, George reads 3 chapters of a book with 27 chapters. After the second night, he has read a total of 8/27 of the book. Explain how you would determine the number of chapters George read the second night. Solve the problem.

    asked by Amri
  48. math

    what is the graph of the function y = 2 x 2^x graphs below i think it is graph c

    asked by j.r.
  49. Algebra 1

    The area of a rectangle is 30 ft^2. The length is 1 less then 3 times the width. How wide is is the rectangle?

    asked by Steve
  50. Geo

    On the map of the Mauna Loa volcano in Hawaii (distributed in class), determine the distance in miles and in kilometers from the “Patrol Cabin” (at the summit of Mauna Loa) to the “Rest House” (northeast of the summit or Mauna Loa). The scale of

    asked by Dena
  51. Microeconomics

    The demand for a good is given by QD = 750 – 0.4P. What is consumer surplus at a price of $80?

    asked by John
  52. Chemistry

    N2+3H2-> 2NH3 how many moles of hydrogen are needed to completely react with 2.6 moles of nitrogen?

    asked by Kaitlyn
  53. math

    The length and breadth of a rectangular paper were measured to be the nearest centimeter and found to be 18 cm and 12 cm respectively. Find the percentage error in its perimeter.

    asked by kudu
  54. math

    The acceleration am/s^2 of a particle moving in a straight line is given by a = 18t – 4, where t is time in seconds. The initial velocity of the particle is 2 m/s a) Find the expression for velocity in terms of t b) Determine the time when the velocity

    asked by kudu
  55. Science

    Describe the flow of blood in the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through various locations in the body.

    asked by B
  56. GRAMMAR

    Modern trains can travel incredibly fast. - adverbs qualify adverb 3) The judges were utterly amazed at the performance.- Adverb qualify adverb Are the above are correct. Please give the correct answers.

    asked by NIYA ###
  57. Algebra 1

    A box shaped like a rectangle prism has a height of 17 inches and a volume of 2,720 in^2. The length is 4 inches greater than twice the width. What is the width of the box?

    asked by Steve
  58. physics

    A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 0.0070m/s2 less than that at sea level (gsealevel = 9.83 m/s2). What is the observatory's altitude? Assume Rearth = 6.37 × 106 m.

    asked by Jen
  59. maths

    the price of a car is reduced from 1500 to 1050 by what percentage is the price reduced?

    asked by Manaria
  60. Physics

    If the drive chain exerts a force of 2090 N at a radius of 5.00 cm, what is the angular acceleration of the wheel? (b) What is the tangential acceleration of a point on the outer edge of the tire? (c) How long, starting from rest, does it take to reach an

    asked by Anonymous
  61. English Essay

    From reading the short story "The Boat", what are the effects when people refuse to be restricted to the confines of a particular society? This is an essay topic that I chose, and I am not sure if my three subtopics cover it all (anger/disappointment,

    asked by leo
  62. Science

    What do angiosperms produce in order to protect their seeds?

    asked by Anonymous
  63. math

    Milky uses 192 beads to make a bracelet and a necklace.It takes 5 times as many beads to make a necklace than it does to make a bracelet.How many beads are used to make the necklace 192 divided by 5 is 38 and I got remainder of 2 but I don't know what I

    asked by Alexa
  64. Algebra

    Niko had his savings increased by 5% this year. He started with $350 in his account and calculated how much he had at the end of the year by using the following sets of calculations: $350×0.05=$17.50 $350+$17.50=$367.50 Find a single number that Niko

    asked by Stephanie
  65. science

    Two sleds collide and stick together sled a has mass of 140kg and a speed of 17m/s sled b has a mass of 80kg and a speed of 24m/s. There is no friction between the sleds and snow. Will the sleds be motionless after the collision or which one will move the

    asked by nicole
  66. Chemistry

    What is the (simplified) meaning of Zn(s) + 2MnO2(s) ZnO(s) + Mn2O3(s) [e° = 1.43 V]? Please answer soon, because I will not be in class too much longer and I have no internet access at home. Thank you in advance!

    asked by Ani
  67. Chemistry

    A solution of 4-methyl-3-penten-2-one in ethanol shows an absorbance of 0.52 at 236 nm in a cell with a 1-cm light path. Its molar absorptivity in ethanol at that wavelength is 12,600 M^-1 cm^-1. What is the concentration of the compound?

    asked by Ryan
  68. 6th grade math

    When solving an inequality, why is it necessary to perform the same operation on each side of the inequality sign?

    asked by genesis
  69. science

    can someone explain the life cycle of the animalia kingdom???

    asked by help
  70. geometry

    i need help on a question that involves finding the "value of the variable" ive started the question but im stuck of how to continue .its a right triangle which hypotenus length is cut by a altitude line "w+9" .the lengths cut are 8 and 18 .

    asked by julia
  71. Math (Interest)

    If I was given an amount of money for 1 month, and I wanted to compound its interest monthly, which formula would I need to use? My interest rate is 2.5%. I want to compound monthly (so n=12). But I want to find the amount after compounding interest

    asked by Kaye
  72. health

    The capillaries are the smallest and most ________ of the blood vessels

    asked by Diana
  73. math

    Find the limit. lim x→∞ 2−e^x/2+9e^x

    asked by TayB
  74. Organic Chemistry

    Why does the carotene elute from the column before the chlorophylls?

    asked by Ryan
  75. math

    Find the limit. lim x→∞ sqrt(x^2+9)

    asked by Taylor
  76. Organic Chem

    Why does the carotene elute from the column before the chlorophylls?

    asked by Ryan
  77. Math

    A certain club consists of 5 men and 6 women. a) How many ways are there to form a committee of 3 people and b) How many ways are there to form a committee consisting of 3 men and 4 women.

    asked by Becky
  78. math

    Find the horizontal and vertical asymptotes of the curve. y = 3x+6/x−7 x= y=

    asked by Sarah
  79. chemistry

    what mass of Silver oxide would be required to produce 100.0 g. of silver.

    asked by Shannon
  80. Science!!!

    Which force is pushing the riders in the swings on a swing chair ride out from the center of the ride? A. Free fall B. Gravity C. Momentum D. Centripetal force Is the answer D? Thank you

    asked by Callie
  81. Physics Help Please

    Suppose you work at an amusement park. Your boss has asked you to determine the "people current," a measurement of moving people coming through the entrance of the park. a) what would be the units of "people current?" b) what information would "people

    asked by Help!
  82. Physics Help Please!

    Suppose you work at an amusement park. Your boss has asked you to determine the "people current," a measurement of moving people coming through the entrance of the park. a) what would be the units of "people current?" b) what information would "people

    asked by Help!
  83. math

    Find the horizontal and vertical asymptotes of the curve. y = 7e^x/e^x−8 x=? y=?(smaller y-value) y=?(larger y-value)

    asked by Sarah
  84. chemistry

    A moon rock collected by a U.S. Apollo mission is estimated to be 4.50 billion years old by uranium/lead dating. Assuming that the rock did not contain any lead when it was formed, what is the current mass of 206Pb per 1.150 g of 238U in the rock? The

    asked by alice
  85. visual art

    What are the design principles

    asked by nokuphiwa
  86. random

    is this free help forever ?

    asked by alondra
  87. math

    Find the horizontal and vertical asymptotes of the curve. y = 4+x^4/x^2−x^4 x=? (smallest x-value) x=? x=? (largest x-value) y=?

    asked by Meg
  88. math

    For each of two rectangles, the length to width ratio is 3:2. The ratio of the length of the larger is 7:5. What is the ratio of the area of the two rectangles?

    asked by Anita
  89. math

    Find the horizontal and vertical asymptotes of the curve. y = 2x^2+x−1/x^2+x−42 x=? (smaller x-value) x=? (larger x-value) y=?

    asked by Meg
  90. math

    Find the horizontal and vertical asymptotes of the curve. y = x^2+5/9x^2−44x−5 x= (smaller x-value) x= (larger x-value) y=

    asked by Andrew
  91. rubidoux high school

    Susan is putting money into a checking account. Let y represent the total amount of money in the account (in dollars). Let x represent the number of weeks Susan has been adding money. Suppose that x and y are related by the equation = + 30 x 350 y

    asked by jessica mendez
  92. math

    Find the horizontal and vertical asymptotes of the curve. y = 3x+6/x−7 x= y=

    asked by Andrew
  93. math

    (a) Use a graph of f(x) = sqrt(2x^2+9x+5)−sqrt(2x^2+2x+1) to estimate the value of lim x→∞ f(x) to one decimal place. (b)Use a table of values of f(x) to estimate the limit to four decimal places. (c)Find the exact value of the limit.

    asked by Kayla
  94. English HELP!!!!😰😰

    In prepositional phrases, can the subject be more than one word long????? HELP!!!!!

    asked by Kayla
  95. physics

    A box of mass 26 kg is hung by a thin string from the ceiling of an elevator. The string can hold up to 276.1 N and will break under larger tension force. How much can the maximum acceleration of the elevator be going upward so that the string does not

    asked by Anonymous
  96. math

    Find the reciprocale of 0.342. Hence evaluate: (ã0.0625)/0.342

    asked by kudu
  97. algebra

    Find the slope of a snowboarding beginner hill that decreases 24 feet vertically for ever 30-foot horizontal increase

    asked by brianna anderson
  98. math

    For each of two rectangles, the length to width ratio is 3:2. The ratio of the length of the larger rectangle to the length of the smaller rectangle is 7:5. What is the ratio of the area of the two rectangles?

    asked by Anita
  99. Chemistry

    A 35.00 mL sample of water at 30.0°C is placed in an open container with an external pressure of 1.00 atm. 30.0 kJ of heat is added to the water sample. The density of water is 1 g/mL. (a) How many grams of liquid water remain at the end of the process?

    asked by N
  100. Math

    I have a project where I'm supposed to calculate the interest of a given amount monthly and continuously, and then compare the methods. We were given a chart with each's month's principal amount (and we're given 1 number for each month of 1 year), and I

    asked by Kaye
  101. Algebra 1

    A ball is thrown into the air with the in initial upward velocity of 45 ft/s. It's height (h) in feet after t seconds is given by the function h=- -16t^2+45t+6. After about how many seconds will the ball hit the ground?

    asked by Steve
  102. Science!!!

    If a bowling ball hits a wall with a force of 6 N, the wall exerts a force of (blank) back on the bowling ball. A. 0 N B. 3 N C. 6 N D. 12 N Is the answer C? Thank you

    asked by Callie
  103. Math

    Sally is buying 6 identical shirts. The original price for one shirt is 39.99. The store is having a "buy one get one half off" sale and Sally has a coupon for an additional 25% off. The sales tax rate is 4 3/8. What is the total cost for the items Sally

    asked by Linda
  104. Math

    Q. Sheila's skates weigh 4 lbs. 3 oz., Heidi's skates weigh 3 lbs. 7 oz., and Javier's skates weigh 3 lbs. 13 oz. what is the average weight of the four skate pairs of skates? - A. Do I just add them all??

    asked by Destinee
  105. Algebra 1

    A ball is thrown into the air with the in initial upward velocity of 60 ft/s. It's height (h) in feet after t seconds is given by the function h=- -16t^2+60t+6. What will the height be at t=3 seconds?

    asked by Steve
  106. physics

    a tsunami originating in japan has a wavelength of 10^5 m and a period of 10 mins. how long does it take to travel 8000km?

    asked by Matt
  107. scince conditon

    I don't know if its a scicnce condition question though but.If u have a condition called scoliosis which is have a condition with ur back that 1 of ur solider blades is bigger than the other and the spine is curved from not rlly sitting up staright at all

    asked by dude
  108. Physics

    A cannon ball is fired horizontally with an initial speed of 75 m/s from the top of a 50-m tall building. When the ball hits the ground, its velocity vector makes an angle θ with the horizontal. What is θ

    asked by xavier
  109. Science Fair Project

    Please help anyone!!!!!!!!!!!!!!!!!!!!!!! I need a science project that can be done in 2-5 days but also that can give me a very good mark!!!!!!!!!!!!!!! please reply A.S.A.P.!!!!!!!!!!!!!!!!!! -From a Science Fair Project in need of a project which can be

    asked by Wimbika
  110. math 3

    Gwen pours 236 milliliters of water into Ravi's beaker. Henry pours 189 milliliters of water into Ravis beaker. Ravis beaker now contain 800 milliliters of water. How much water was in Ravis beaker to begin with? my answer is 375 is this correct?

    asked by bb love
  111. H.A.C.E.

    Hi, can anyone please tell me what does a doctor do, what skills do they have or need, what are the degrees and trainings and how much money they earn? I need to now this for my H.A.C.E. project mark which will effect my result in my report card and i have

    asked by Wimbika
  112. social studies

    I need help checking my answers. the ! stands for my answer. 1. what three-day battle became the turing point of the civil war? gettysburg antietam greenville ! chancellorsville 2. the northern victory at_________ split the confederacy and gave control of

    asked by lila
  113. Physics

    The rms current in a 41-Ω resistor is 0.69 A. What is the peak value of the voltage across this resistor? Answer: V(rms) = A(ohms)(sqrt2)

    asked by Anonymous
  114. Chemistry

    A biochemical engineer isolates a bacterial gene fragment and dissolves a 15.1 mg sample of the material in enough water to make 32.7 mL of solution. The osmotic pressure of the solution is 0.340 torr at 25°C. a) What is the molar mass of the gene

    asked by Pooja
  115. math

    FOUR QUESTION PROBLEM: Amy and three friends launch a new website. Each of the four friends e-mails the web address to three new friends. These new friends forward the web address to three more friends. If no one receives the e-mails more than once, how

    asked by kyle
  116. math

    Show how to write and evaluate an expression to represent and solve this problem: Jeff and his friend each text four classmates about a concert. Each classmate then texts four students from another school about the concert. If no one receives the message

    asked by kyle
  117. Algebra 1

    students measured the diameters and circumferences of the tops of a variety of cylinders. Below are the data that they collected. estimate the diameter of a cylinder with circumference 22cm. Cylinder Tops Diameter(cm) 3,3,5,6,8,8,9.5, 10, 10, 12

    asked by Lindsey
  118. trig

    I am currently taking a trig class. I need help understanding how to solve for sin,cos, and tan in problems which give an angle and a side length or the hypotenus. Any help would be muchly appreciated

    asked by Ben
  119. Organic Chem

    Why does the carotene elute from the column before the chlorophylls?

    asked by Ryan
  120. Physics

    During a rElay race along a straight ROAD the 1st runner on a three person team runs D1 with a constant velocity v1. The runner then hands off the baton to the sEcond runner who runs d2 with a constant vElocity v2. The batton is then passed to the 3rd

    asked by Tim
  121. Check answers

    1. An indorser's implied contract to pay a subsequent holder in the event that an instrument is dishonored is known as an indorser's A. duty B. accommodation C. primary liability D. secondary liability I chose C. 2. A defense that arises out of some

    asked by Tine
  122. Check my answer?

    An indorser's implied contract to pay a subsequent holder in the event that an instrument is dishonored is known as an indorser's? A. duty B. accommodation C. primary liability D. secondary liability I chose Secondary liability

    asked by Tine
  123. math

    In a livestock research stations a new drug for a certain fowl disease is being tried. Samples of 36 fowls were diagnosed to have the disease. Twenty (20) fowls were treated with the drug and the rest were not. (a) Calculate the probability that a fowl

    asked by kudu
  124. grammar

    Which is the subject of this sentence? Look in the index for a mention of this type of error. A. type B. index C. (you) D. mention

    asked by Emily
  125. Science

    Describe how evolution and extinction are related.

    asked by Student
  126. science

    can someone explain the life cycle of the animalia kingdom please

    asked by matt
  127. Physics Help!!!!!!!!!!!!!!!!

    Suppose you were asked to develop a concept of "automobile current" ( a current formed by moving cars) for traffic on an interstate or busy street near you. a) what would be the units of "automobile current"? b) what info would be the "automobile current"

    asked by Urgent Help
  128. algebra

    diana drove 320 miles, then increased her speed by 10 miles per hour for 500 miles. if the second part of the trip took 2 hours longer than the first, find her average speed.

    asked by allie
  129. AP European History

    How did medieval Europe lay the groundwork for the rebirth of Europe (Renaissance)? What conditions existed that allowed Europe to evolve out of medieval conditions?

    asked by Jordan
  130. Physics

    a BALL IS THROWN UPWARD WITH AN INITIAL VELOCITY OF 9.8 M/S FROM THE TOP OF A BUILDING. FILL A TABLE BELOW SHOWING THE BALLS POSITION,VELOCITY, and ACCELERATION AT THE END OF EACH OF THE 1ST 4SEC OF MOTION TIME(s) POSITION(M) VELOCITY(M/S) 1 2 3 4

    asked by Tim
  131. Math lit, geography, life sciences and agriculture

    Hi i am still in matric and i don't know myb i cn be a chef under this subj...or an jenourlist

    asked by Charlie
  132. Science

    Ball A Momentum Before collision is 3 kg m/s. Ball B Momentum Before Collision is 2 kg m/s. Total Momentum of Both Balls After Collision is 6 kg m/s Ball A and Ball B are rolled so that they will collide. Does the data in the table above demonstrate the

    asked by Callie
  133. CHEMISTRY

    the grams of sugar (carbohydrate) in a can of cola that has 150Cal and no fat and no protein Express your answer to two significant figures and include the appropriate u

    asked by BREE
  134. math

    7^-(1/5) / 7^-(7/5) * 7^3/5 can be simplified as 7^a/b where a and b are positive integers. find a*b-a answer: 7^-(1/5) / 7^-(7/5) * 7^3/5 7^5/7(5/7) * 7 ^3/5

    asked by anonymous
  135. Chemistry

    A flexible balloon containing 1.5 mol of... ideal gas at constant pressure of 1.5 at... 100 °C. Calculate the change in intern...‡ (ΔE) of the gas.

    asked by N
  136. Physics

    A device for training astronauts and jet fighter pilots is designed to rotate a trainee in a horizontal circle of radius 10.2 m. If the force felt by the trainee on her back is 7.61 times her own weight, how fast is she rotating? (in m/s) Express your

    asked by Cait
  137. Physics

    Cleveland is 480 km east of Chicago. A plane leaves Chicago with an air speed of 800km/h in a wind which blows [S 45 degrees W]. (A) what heading will the pilot take in order to fly with a ground speed which is directly east? (B) how long will it take to

    asked by Gurleen
  138. Physics

    At what minimum speed must a roller coaster be traveling when upside down at the top of a circle so that the passengers will not fall out? Assume a radius of curvature of 8.47 m. (in m/s)

    asked by Tanner
  139. Chemistry

    name all the possible isomers of methyl nitrobenzoate and nitroacetanilide which can be formed

    asked by Ryan
  140. Physics

    How many revolutions per minute would a 15.6 m diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point? Do not enter unit.

    asked by Tanner
  141. Physics

    If a curve with a radius of 91.5 m is perfectly banked for a car traveling 77.4 km/h, what must be the coefficient of static friction for a car not to skid when traveling at 91.6 km/h?

    asked by Tanner
  142. Physics

    A 18.6 kg monkey hangs from a cord suspended from the ceiling of an elevator. The cord can withstand a tension of 202 N and breaks as the elevator accelerates. What was the elevator's minimum acceleration? (in m/s^2)

    asked by Tanner
  143. math

    find the cost of painting a wall having a door of dimensions 4m¡Á3m.the length and breadth of the wall are 10m and 10m respectively and the of painting is 50 per m square

    asked by shehzad
  144. physics

    Does the sun move to the west and accelerate east?

    asked by julie
  145. math

    eddie made a beaded necklace for his mother. every third bead is blue. every seventh bead is green. all the remaining beads are white. there are 20 beads in all. how many beads are blue? green? white?

    asked by Anonymous
  146. history

    How was emperor hongwu depicted in paintings? Please answers a direct answer

    asked by Felicia
  147. Algebra

    A ball weighing 1.78 N is shot through a launcher, achieving a speed (from rest) of 41 m/s in 0.28 second. What is the mass of the ball?

    asked by Willie
  148. chemistry

    The specific heat of iron is 0.498 J/g °C. If 341 J of heat is added to 154.1 g of iron at 25.0 °C, what is the new temperature of the iron?

    asked by paige
  149. science

    Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to offspring's as indicated by Mendle? (1) hereditary chapters (2) evolution (3) heredity (4) gametes

    asked by sanjay
  150. Chemistry

    calculate the density of NH3 at S650mm of Hg

    asked by Bill
  151. Physics

    A spring with a spring constant of 40.1 N/m is attached to different masses, and the system is set in motion. What is its period for a mass of 2.8 kg?

    asked by Chris
  152. physics

    what is the electric force exerted on a test charge of 3.86 x 10^-5 C if it is placed in an electric field of magnitude 1.75 x 10^4 N/C ?

    asked by physics
  153. question/curiousity

    A nurse decides to write a book, and a lawyer decides to illustrate the book.. what do the two have in common? my ans: Two potentially turn a hobby into a second career?

    asked by Dean
  154. Maths

    Runner A speed 1km/hour Runner B speed 2km/hour They start of at the same point at the oval.In a lap that is 500m, how many times will they meet at the starting point after 10 hours. I managed to get the LCM for runner A,B using the time taken to complete

    asked by Sandy
  155. math

    Shopping centers X, Y and Z are such that Y is 12 km south of X and Z is 15 km from X. Z is on a bearing of 330° from Y.

    asked by kudu
  156. physics

    a fruit drops from the top of a tree 40m tall, calculate. the time taken to reach the ground. the velocity just before it hits the ground.

    asked by simeon
  157. physics

    Two bodies have masses in ratio 3:4when a force is applied on the first body it moves with an acceleration of 6m/s2 how much acceleration will the same force produced in the body

    asked by ammu
  158. Chemistry

    Why does the carotene elute from the column before the chlorophylls?

    asked by Ryan
  159. Physics

    Does the potential inside a hollow conductor change and why?

    asked by Anonymous
  160. math(5th grade)

    sally singleton's batting average is 0.375 and she has been at bat 120 times. How many times has sally hit the ball? pls help

    asked by ary
  161. Physics

    Why does the potential inside a solid conductor not change?

    asked by Anonymous
  162. Chemistry

    A solution of 4-methyl-3-penten-2-one in ethanol shows an absorbance of 0.52 at 236 nm in a cell with a 1-cm light path. Its molar absorptivity in ethanol at that wavelength is 12,600 M^-1 cm^-1. What is the concentration of the compound?

    asked by Ryan
  163. Chemistry

    Why does the carotene elute from the column before the chlorophylls?

    asked by Ryan
  164. Math

    During the summer, you mow lawns for extra money. One customer pays you to mow the lawn every 6 days and another customer pays you to mow the lawn every 9 days. If you mow both lawns today, in how many days will uou mow both lawns again on the same day?

    asked by Amy
  165. Chemistry

    The freezing point of benzene is 5.5°C. What is the freezing point of a solution of 8.30 g of naphthalene (C10H8) in 320. g of benzene (Kf of benzene = 4.90°C/m)?

    asked by Anonymous
  166. saftet

    I have 5 words theres 25 letters. About saftey. Etadprlbaselsspsfnniltria

    asked by betty
  167. science

    Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to offspring's as indicated by Mendle? (1) hereditary chapters (2) evolution (3) heredity (4) gametes

    asked by sanjay
  168. ^Math.^ Pls,I need help

    QUESTION: Find the quadratic equation,which has difference of roots equal to 2 and the difference of the squares of roots equal to 5

    asked by Ekingdeft
  169. science

    If we added more mass to the blocks of wood during these lessons,how would that have changed the experiment?

    asked by maria
  170. macroeconomics

    Which of the problems in the construction of the CPI might be illustrated by each of the following situation? Explain. Investing manufactory of SamSung in Vietnam

    asked by Yến
  171. Algebra 1

    What is a solution of x^2 +6x=-5? my answer is -1

    asked by Steve
  172. Algebra 1

    Find the solution of x^2+14x+112=0 I don't think that there is a solution

    asked by Steve
  173. government

    Who are the top 5 most important members of the Executive Office of the President?

    asked by anonymous
  174. Geometry

    Hi, so i reallllyy need help, i have an assignment that i have to complete, but the thing is theres a file and this site doesn't allow links, so does anyone have email to help me if you can help i will greatly appreciate it i'll email you the file. btw

    asked by Arora
  175. math

    The shadow of an electric pole is 5 m. long when thr angle of elevation of the seen is 60 degrees. Find the length of the shadow when the angle of elevation of the seen is 45 degrees

    asked by Anonymous
  176. Math

    Write an numerical expression equivalent to (3) (3) (3) using exponents. Evaluate the expression above

    asked by Amy
  177. Algebra

    What is the simplified version of 6x ^2 + 7x + 2

    asked by Spartans
  178. maths

    Seven guns all commence firing together at a target but they continue to fire at interval 2,3,5,7 and 12 minutes. After how many hours do all five guns fire at the same time as they did in the beginning? Thanks for helping

    asked by LISA
  179. criminal investigations

    why advances are paramount to the historical evolution of criminal investigations

    asked by kim
  180. GPH

    Why would a scale map look like 1:24000 (10') I don't know what that 10 means

    asked by Dena
  181. social studies

    could some plz check my answers. this * stands for my answer. my answers r also at the last question on the bottom. 1. why did william t. sherman want to attack coulmbia? because he had lost a previous skirmish there because he wanted to attack the captail

    asked by watguy!!!
  182. biology

    Through which are the chromosomes, transmitted according to the path of transmission of factors from the parental generation to offspring's as indicated by Mendle?option are as follows (1) hereditary chapters (2) evolution (3) heredity (4) gametes

    asked by sanjay
  183. maths

    7>10>9-3=?

    asked by ajay
  184. Chemistry

    A solution of NaOH(aq) contains 7.7 grams of NaOH in 93 mL of solution. Calculate the pH at 25◦C. ---- 7.7 grams x (1 mol/39.997 grams) = 0.19 mol 0.19 mol/0.093 L = 2.07 M pOH = -log(2.07) = -0.316 ---- Am I doing anything wrong? Why am I getting a

    asked by Edwin
  185. science

    A golf ball leaves the club 35m/s at an teta of 35 degree above the horizontal . Find a) range b) maximum height reached c) time of flight

    asked by anonymous
  186. Physics

    Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m2 and the table is 0.345. The objects have masses of m1 = 3.25 kg, m2 = 1.25 kg, and m3 = 2.50 kg, and the pulleys are frictionless. The

    asked by Alan
  187. statistics

    Listed below are the duration's (in hours) of a simple random sample of all flights of a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time unusual? Why or why not? 71 100 237 199 164

    asked by slomo
  188. math

    The demand function for a product is p=32−8q where p is the price in dollars when q units are demanded. Find the level of production that maximizes the total revenue and determine the revenue. q= units R= $

    asked by Anonymous
  189. Language Arts

    In What ways is the use of descriptive language in the two poems similar? The poems are "The Road Not Taken", and "O Captain! My Captain!". A. Both use analogies to represent decisions the speakers make. B. Both use sorrowful images to communicate regret.

    asked by Calie
  190. Business Law

    A minor is held responsible for the fair value of A. athletic shoes B. CDS C. medical care D. video games I chose C.

    asked by Tine
  191. Business Law

    Hey I just need my answers checked Please. 1. The right of a bailee to hold goods until charges are paid is known as a A. Mechanic's lien B. pledge C. reasonable care D. conversion I chose A. 2. A company that transports people or goods for pay but limits

    asked by Tine
  192. Physics

    The best sprinters can run a 100 m in 10.0 s. A 77.2 kg sprinter accelerates uniformly for the first 51.0 m to reach top speed, which he maintains for the remaining 49.0 m. What is the average horizontal component of force exerted on his feet by the ground

    asked by mvlew
  193. physics

    A cylindrical 9.16 kg pulley with a radius of 0.373 m is used to lower a 2.64 kg bucket into a well. The bucket starts from rest and falls for 3.94 s. What is the linear acceleration of the falling bucket? The acceleration of gravity is 9.81 m/s 2 . Answer

    asked by d
  194. Organic Chem

    Im not really sure how to begin with this question.. 1. The synthesis of toluene by the aluminum chloride-catalyzed Friedel-Crafts alkylation of benzene is badly complicated by the formation of di-, tri-, and polymethylated benzenes. A simple solution to

    asked by Maura
  195. Math

    Sandi counted all the parallelograms of any size she could find in the design below how many parallelograms are there in all

    asked by Sarah
  196. english

    plane crash flying from dhangadhi to bijhang 30 people dead now make newspaper

    asked by niroj
  197. MATHS

    A proper fraction with numerator 2 lies between a quarter and a half. Write down the greatest such fraction.. Thanks for your help

    asked by LISA
  198. Business Law

    Hey just need my answers checked again please! 1. The property pledged by the debtor as security for the debt is the A. surety B. credit C. interest D. collateral I chose D. 2. The person the agent deals with on behalf of the principal is called the A.

    asked by Tine
  199. math

    Which is faster a car completing a 500 race in about 3.33 hours or a car completing a 300 mile race in 2.5 hours

    asked by starr
  200. math

    Building a rectangular sandbox for younger brother. The length. Is 1 foot longer than twice the width of the sandbox. The perimeter of the sandbox is 29 feet what equation could be used to determine the w, the width, in feet, of the sandbox?

    asked by gb
  201. geography

    mike has 2 mats that are in the shape of triangles. the scale factor of the 2 triangles maths is 7/4. what is the ratio of the perimeter?

    asked by nulaksha
  202. Biology - Genetics

    If genes a, b, c, and d are genetically linked to each other, does it follow that a recombination experiment would detect genetic linkage between a and d?

    asked by Mel
  203. math

    Marty ate 4/6 of his pizza and Luis ate 5/6 of his pizza. Marty ate more pizza than Luis. How is that possible?

    asked by michael
  204. physical science

    how much energy is required to lower the temperture of 450g of sand from 60 celsius to 15 celsius

    asked by tyrese
  205. chemistry

    at a given temperature and pressure 20ml of the gas diffuses through a porous membrane in 5 seconds. calculate the volume o carbon dioxide which diffuses in 10 seconds if the vapour density of the gas is 11 a)10√(2) b)20/√(2) c)40√(2) d)10/√(2)

    asked by please............
  206. water dynamics

    a projectile 20ft in lentgh 4-6 thousand lbs traveling @ 100mph @ 100ft below water surface can be stopped and/or have said projectile change its course by using how many pounds of water preasuure to achieve goal? And what are the approximate dimensions of

    asked by mike
  207. how to delete ur account

    is it possible to delete ur account if so how?

    asked by hmmm
  208. math101

    $6900 loan at 12% and eventually repaid $9384 (principal and interest). What was the time period of the loan?

    asked by mako
  209. MATH

    how many times as great as 10^-5 is 100^2 ?

    asked by GB
  210. Language Arts

    How are the speakers in the two poems different? A. One is celebrating a decision he made, while the other regrets a choice. B. One is contemplating a past choice, while the other is mourning something out of his control. C. One regrets a past decision,

    asked by Calie
  211. Math

    Five friends went to a baseball game. Three of friends each bought a ticket for x dollar and soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money spent

    asked by Kaity
  212. Math

    It took Mr.Bingea 8 minutes to run 4/5 of a mile. How many minutes did it take him to run the entire mile?

    asked by Marcos Ramirez
  213. Algebra 1

    There is a state soccer tournament with 128 teams competing for 1st place. Each week, half of the teams get eliminated. How many teams remain after 6 weeks? A. 16 B. 8 C. 4 D. 2

    asked by Jessica
  214. math

    Milky uses 192 beads to make a bracelet and a necklace.It takes 5 times as many beads to make a necklace than it does to make a bracelet.How many beads are used to make the necklace

    asked by Alexa
  215. Physics-Electricity

    A toaster consists of 4 heating elements that are connected in parallel. The toaster is connected to a 240 V mains supply. When the toaster is switched on, a current of 2.5 A is drawn from the mains supply. Calculate the electrical energy used by a single

    asked by Nick
  216. PHYSICS

    A variable length air column (closed on one end) is placed just below a vibrating wire of mass 5.00g, which is fixed at both ends. The length of the air column is gradually increased from zero until the first position of resonance (first harmonic) is

    asked by Aaron
  217. English Grammar

    1) The sun had nearly set when we reached home. Adverb qualify adverb 2) Modern trains can travel incredibly fast. - adverbs qualify adjective 3) The judges were utterly amazed at the performance.- Adverb qualify adjective 4) The bitterly cold winds have

    asked by NIYA ###
  218. Calc

    Find the solution to e^x = 2+2x

    asked by Anonymous
  219. Geo

    On a map with a scale of 1:24,000, a measured distance of 1 in. represents an actual distance of ______ ft. is the correct answer 1000 ft

    asked by Dena
  220. Math

    What is a ratio

    asked by Abbie
  221. pre-algebra

    The scale factor for a blueprint is 7cm= ___m Model 40.4 cm actual 80.6m

    asked by mj
  222. math

    7^-(1/5) / 7^-(7/5) * 7^3/5 can be simplified as 7^a/b where a and b are positive integers. find a*b-a i'm not good when it come to negative exponent, plz help!

    asked by anonymous
  223. math

    The scale of a map is 5m= 15 mi maps 8.2 actual____

    asked by mj
  224. delete account

    I looked in my gmail and it didn't hae that my account was deleted permantly or anything and I can still log into it?????

    asked by lila
  225. Chemistry

    Why does the carotene elute from the column before the chlorophylls?

    asked by Ryan
  226. Math

    Find the amount of the tip on a 75$ bill if a 15% tip is left. A. 11.25 B. 11.20 C. 10.50 (my answer) D. 12.00

    asked by Jacklyn
  227. Physics

    A car speeds up from 12 m/s to 20 m/s in 6.4s.If its mass is 1200 kg,what force must its engine provide ?

    asked by Jason
  228. linear algebra

    For what values of a and b are the vectors [ a − b −3] and [7 a + b] equal?

    asked by hannah
  229. Math - Answer Check

    Write the composition function and then find the value. f(x) = 2x+3 g(x) = x^2 k(x) = square root(x - 4) 1. g(k(x)) g(k(20)) My answer: Function is x - 4, the value is 16. 2. f(g(x)) f(g(2)) My answer: Function is 2x^2 + 3, the value is 11.

    asked by Anonymous
  230. English Grammar

    1) The sun had nearly set when we reached home. Adverb qualify adverb 2) Modern trains can travel incredibly fast. - adverbs qualify adjective 3) The judges were utterly amazed at the performance.- Adverb qualify adjective 4) The bitterly cold winds have

    asked by NIYA ###
  231. Science

    Are there more hours of daylight in the summer than in the winter

    asked by Anonymous
  232. science

    when a molecule of water vapro in the air come into contact with a cold can of soft drink, they lose energy, slow down, and form a liquid due to a decrease in what?

    asked by sarah
  233. perpendicular vectors

    Find two unit vectors each of which is perpendicular to vectors (1, 1, 0) and (1,0,1) What I did: a x b = (1, -1, -1) |axb|=square toot 3 correct answer is +/- (1/√3 - 1/√3 - 1/√3) or =+/- 1/√3 (1, -1, -1)

    asked by annonymous
  234. Physics

    A cannon fires projectile (ordinarily called a cannonball) at an angle 85 degrees from the ground. The cannonball has a speed 150 m/s, and it is launched from hill 20 m above the plain where it will land.

    asked by Jay
  235. math

    What is your debt ratio? If you budget $375 to payoff your credit card debt and you payoff the highest interest card first while maintaining the interest accrued on the other card, how many months does it take you to pay it off and how much is the payment

    asked by toby
  236. reading?

    Which part of speech is the underlined word in the sentence? Next, add the eggs to the batter. A. preposition B. adverb C. conjunction D. interjection

    asked by Lux
  237. Algebra

    x^1/2 - 7x^1/4 + 12 = 0

    asked by Anonymous
  238. chemistry

    If 6.20 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced? CaC2(s) + 2 H2O(l) Ca(OH)2(aq) + C2H2(g)

    asked by nina
  239. English

    From reading the short story "The Boat", what are the effects when people refuse to be restricted to the confines of a particular society? This is an essay topic that I chose, and I am not sure if my three subtopics cover it all (anger/disappointment,

    asked by leo
  240. math

    if $13.69 is the price of a pair of sneakers after 75% was taken off, what was the original price of the sneakers?

    asked by devon
  241. Physics

    How fast do you need to swing a 180-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 35∘ angle relative to the horizontal?

    asked by Please Help
  242. science

    1.explain why most refrigerators are painted with a white shiny colour.

    asked by Max wayne
  243. Spanish

    I am currently in Spanish 1. I am gradually catching on to Spanish, but my question is.. Can you help clarify to me when I should put a small word before a verb or noun.. for instance "los libros" How do I know whether its La, los and etc.? I know it has

    asked by Marina
  244. Icp

    A student is helping her teacher move a 9.5 kg box of books. What net sideways force must she exert on the box to slide it across the floor so that it accelerates at 1.0 m/s2?

    asked by Jack
  245. Chemistry

    Why does the carotene elute from the column before the chlorophylls?

    asked by Ryan
  246. Geography

    new found planet

    asked by Anonymous
  247. Justice

    What are the Native American and Mennonite approaches to restorative justice? I understand restorative justice and the philosophy of approaches, but what are the exact approaches.

    asked by Demetria
  248. math

    Find the limit lim x→−∞ sqrt(4x^6−x)/(x^3+5)

    asked by TayB
  249. Science!!!

    A 2,500 kg car moves at 15 m/s^2; 15m/s^2 is the (blank) of the car. A. Acceleration B. Force C. Velocity D. Speed Is the answer D? Thank you

    asked by Callie
  250. maths(Probability)

    Two fairly six~sided dice are rolled,find the probability that their total score is (a)2 (b)7 (c)a prime number (d)a perfect square. Solutions. (a)2/6=1/3 (b)7/6

    asked by eliphasjnr
  251. Art - Drawing

    Can you give me some tips on how to draw graffiti (anything really)? I am good with drawing something but the thing is I have to look a picture to draw it. Its almost as if I don't have enough imagination. But since that's how I've been drawing, tips

    asked by Marina
  252. Physical Science PLS HELP

    Dana is reading about the best conditions for worm composting. Worm composting involves keeping worms in a bin with vegetable scraps from the kitchen along with other plant waste, and using the soil and drippings they produce to improve gardens. What

    asked by Carol
  253. Science

    Why are the days typically hotter in June than in December here in the US? D. Because the United States faces the sun in the summer and faces away from the sun in the winter E.Because the tilt of the Earth causes the sun's rays to be more concentrated in

    asked by M