Questions Asked on
December 4, 2016

  1. Linear Algebra

    For the matrix A below, find a value of k so that A has two basic eigenvectors associated with the eigenvalue λ = 3. A = [−3 −18 54 204 0 3 −18 −54 0 0 −3 k 0 0 0 3] k = ? I'm specifically having troubles reducing this and knowing what it'll

    asked by Alistair
  2. PreCalc

    The initial size of a culture of bacteria is 1500. After 1 hour the bacteria count is 12000. (a) Find a function n(t) = n0e^rt that models the population after t hours. (Round your r value to five decimal places.) n(t) = (b) Find the population after 1.5

    asked by Stephon
  3. MATH

    a man bought a piece of land for rs 15000.he sold 1/3 of the land at loss 5% and what gain % should he sell the remaining to gain 8% on the whole.

    asked by KUKU
  4. Math

    If he arranges the chairs and six years of the same morning he has all the chairs left over if he arranges the chairs and four rows of the same link he has 19 years left over how many chairs does Liam have

    asked by Jimmy
  5. Calculus

    A man 1.69 meters tall is walking towards a building at the rate of 1.5 meters per second. If there is a light on the ground 15 meter from the building, how fast is the man's shadow on the building growing shorter when he is 5 meters from the building.

    asked by Harra
  6. chemistry

    A major component of gasoline is octane (C8H18). When octane is burned in air it chemically reacts with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). What mass of oxygen gas is consumed by the reaction of 8.17g of octane?.

    asked by Dee
  7. physics

    A force is applied to a 3 kg mass and produces 5 m/s 2 acceleration. What acceleration would be produced by the same force applied to a 12.2 kg mass? Answer in units of m/s 2 .

    asked by jorge
  8. Maths

    The taxi fare in a city is such that rs.50 is the fixed amount for the first two kilometers and rs.10 for the subsequent kilometers is charged.Taking the distance covered as " x"km and total fare as rs ." Y" ,write a linear equation in "x" and "y"

    asked by Genius
  9. PreCalc

    An earthquake measuring 6.4 on the Richter scale struck Japan in July 2007, causing extensive damage. Earlier that year, a minor earthquake measuring 3.1 on the Richter scale was felt in parts of Pennsylvania. How many times more intense was the Japanese

    asked by Jimmy
  10. Maths

    Find the quotient of 4 5 and 6 7 . Give your answer as a fraction in its simplest form.

    asked by Taha
  11. Calculus

    A car travelling at 50 kilometers per hour crosses a bridge over a river 10 minutes before a boat travelling at 40 kilometers per hour passes under the bridge. The river and the bridge are straight and at right angles to each other. At what rate are the

    asked by Harra
  12. Physics

    In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 5.0 m away. After a running start, he leaps at an angle of 10◦ with respect to the flat roof while traveling at a speed of 5.6 m/s. The

    asked by Anonymous
  13. Calculus

    A man on a wharf is pulling in a boat by means of a rope attached to the bow of the boat 1 meter above water level and passing through a simple pulley located on the dock 8 meters above water level. If he pulls in the rope at the rate of 2 meters per

    asked by Harra
  14. Maths

    divide 1000 among a,b,c in such a way that a gets 120 more than b and b gets rs 110 more than c .hw much each get

    asked by Sara
  15. SS

    "We seek no conquest. All we ask it to be left alone According to this quote which statement best summarizes the souths agenda A.to continue their way of life unchanged b to accept changes to the plantation system c. to change the souths borders d. to

    asked by Lucina
  16. Math

    Using his driver on the 7th tee, Chris hits an excellent shot, right down the middle of the fairway. The ball follows the parabolic path shown in the figure, described by the quadratic function: h(x)=0.5x-0.002x^2. This relates the height, h, of the ball

    asked by Meghan
  17. PreCalc

    Suppose that $14,000 is invested in a savings account paying 5.2% interest per year. (a) Write the formula for the amount A in the account after t years if interest is compounded monthly.

    asked by Jacob
  18. Maths

    A number consists of two digits.THe digit in tens place is twice that in units place.if 18 is subtracted from the number. The digits are reversed.find the number.

    asked by Sara
  19. Math grade 10

    Give quadrilateral EFGH ,with coordinates E(1,4), F(1,2), G(5,0) and H(3,4); verify that EG bisects FH

    asked by Unknown
  20. math

    Dr. Mallory practices at your hospital and your competitor. Presented below are data for DRG 469 (major joint and limb reattachments, (lower extremity) with MCC that reflects practice patterns for Dr. Mallory at the two hospitals: Your Hospital Competitor

    asked by Alfred Johnson
  21. statistics

    10th grade New York public school students taking a standardized English test produced test scores that were normally distributed with a mean of 85 and a standard deviation of 4. Let x be a random variable that represents the test score of a student.

    asked by jill
  22. Math

    A rectangular Persian carpet has a perimeter of 216 inches. The length of the carpet is 30 inches more than the width. What is the dimension of the carpet

    asked by Matt
  23. pre calculus

    use matrices to solve the system of equations , if possible. 2x+y+2z=4 2x+2y=5 2x-y+6z=2

    asked by Anonymous
  24. PreCalc

    The half-life of krypton-91 (91Kr) is 10 s. At time t = 0 a heavy canister contains 5 g of this radioactive gas. (a) Find a function m(t) = m02−t/h that models the amount of 91Kr remaining in the canister after t seconds.

    asked by Kristen
  25. Math

    Jessica has been given a list of 4 bands and asked to place a vote. Her vote must have the names of her favorite and second favorite bands from the list. How many different votes are possible?

    asked by Sara
  26. English

    In "A Cub Pilot", what is one of Mark Twain's purposes in using humor? to make readers think that there is nothing serious about his story to describe what life was like on the Mississippi River to make readers interested in the narrator and the story

    asked by Anabel
  27. math

    a metalworker has a metal alloy thay is 25% copper and another alloy that is 60% copper. how many kilograms of each alloy should the metalworker combine to create 90kg of a 53% coppet alloy

    asked by shea
  28. Physics

    Kate (m = 50 kg) is swinging on a tire tied by a (light) rope (L = 3 m) to a tree limb. Her twin Ashley comes along and squeezes into the tire with her. Assume that at all times the centre of mass of the person(s) riding the tire is at the end of the rope.

    asked by Anonymous
  29. Algebra

    June has $1.95 in dimes and nickels. She has a total of 28 coins. How many dimes and how many nickels does she have?

    asked by Samantha
  30. MATHS

    A company is a monopolist. The demand function for its product is as follows: Q = 60 – 0.4P + 6Y + 2A Where Q = quantity sold in units P = Price per unit Y = per capita disposal income (thousands of dollars) A = hundreds of dollars of advertising

    asked by NICO
  31. calculus

    if f(x) = (x-2)^(1/3) use Tylor's polynomial of degree two about c=3 to estimate the value of (1.36)^(1/3) thanks

    asked by danial
  32. Chemistry

    Magnesium metal reacts with HCl(aq) according to the equation: Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g) In an experiment to determine the ΔH for this reaction, 0.158 g of Mg metal is combined with an excess of HCl to make 100.0 mL of solution in a coffee

    asked by Cali
  33. math

    A factory kept increasing it's output by the same percentage every year .find the percentage if it is known that the output is doubled in the last two years.

    asked by daisy
  34. Physics

    A car of weight 1.4*10^4N is moving up an incline at a constant speed of 6.2 m/s . The incline makes an angle of 5.0 to the horizontal. A frictional force of 600 N acts on the car in opposite direction. State the net force of the car

    asked by Ashlin
  35. Maths

    The length and breadth of a rectangular hall are 24m and 18m.what is the largest straight line that can be drawn in the floor of the hall.

    asked by Anonymous
  36. physics

    In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 4.4 m away. After a unning start, he leaps at an angle of 17◦ with respect to the flat roof while traveling at a speed of 4.3 m/s. The

    asked by Kacie
  37. Math

    A man weight 72 kg his wife rate is 25% less than his if there's somewhere 10% more than his mother find the son weight

    asked by ICSE mathematics for class 6
  38. Math

    A college class with 30 sophomores, 18 juniors, and 12 seniors is divided into project groups where each group has the same number of sophomores, juniors, and seniors. What is the greatest number of groups that can be formed? How many sophomores, juniors,

    asked by Barbara
  39. Pre-calculus

    Convert cartesian equation to polar form 1. x^2+y^2=4x 2. (x^2+y^2)^2=6(x^2-y^2)

    asked by Liv
  40. Math

    Using his driver on the 7th tee, Chris hits an excellent shot, right down the middle of the fairway. The ball follows the parabolic path shown in the figure, described by the quadratic function: h(x)=0.5x-0.002x^2. This relates the height, h, of the ball

    asked by Meghan
  41. Artificial Intelligence

    Consider a very simplified model of AES in which there will be only one P box and one S box and an 8 bit key. Use 0xAE as the key. Show, step by step, how one encrypts the string T h e (without any embedded blanks) assuming that each letter is from ISO,

    asked by Anil
  42. Math

    A basket of flowers weighing 2kg is placed on a flat grassy slope. The coefficient of static friction between the basket and the slope is 0.4, and the basket is on the point of slipping down the slope. Draw a force diagram to indicate forces (including

    asked by s17
  43. maths

    Adding 4 to twice a number yields 25/6.Find the number

    asked by Aditya Prakash
  44. Calculus

    A ladder 15 meters long leans against a vertical wall. If the foot of the ladder is being pulled away from the wall at the rate of 2 meters per minute. How fast is the top of the ladder sliding down the wall at the instant when the foot of the ladder is 12

    asked by Harra
  45. Calculus

    A stone is dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 2 meters per second. How rapidly is the area enclosed by the ripple increasing at the end of 20 seconds?

    asked by Harra
  46. Physics!!!!!!

    In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 5.0 m away. After a running start, he leaps at an angle of 10◦ with respect to the flat roof while traveling at a speed of 5.6 m/s. The

    asked by Anonymous
  47. Business Analytics ISDS361B

    Eli Orchid has designed a new pharmaceutical product, Orchid Relief, which improves the night sleep. Before initiating mass production of the product, Eli Orchid has been market-testing Orchid Relief in Orange County over the past 9 weeks. Now that the

    asked by Kim
  48. ACCOUNTING

    On April 1, 10,000 shares of $5 par common stock were issued at $22, and on April 7, 5,000 shares of $50 par preferred stock were issued at $104. On April 20, 5,000 shares of common stock were issued in exchange for land. The stock had a market value of

    asked by AMY
  49. Math

    The diagonal of a square is 3 feet long. Find its perimeter. My answer: a^2+b^2=c^2 x^2+x^2=3^3 2x^2=9 divide both side by 2 x^2=4.5 x=√4.5 x=2.1 feet Is this right?

    asked by Taylor
  50. Physics

    A 200kg wagon is pushed along a horizontal surface at a constant 10m/s when it is released. After rolling a distance of 45m the wagon comes to a complete stop. Find the coefficient of friction.

    asked by Emma
  51. Hyperbolas, comic sections

    So I have this equation: 36x^2-121y^2=49 Which I rearranged to 36x^2/49-121y^2/49=1 So I want to go from here and find the eccentricity,foci,asymptotes etc... But I'm getting myself confused. Since my equation is of the form x^2/a^2-y^2/b^2=1 Both a and b

    asked by Mrbob
  52. English

    What is one possible theme of I Know Why The Caged Bird Sings? Marguerite did well when her mother sent her to live with her grandmother. There is no sense dreaming about the future when you are unhappy. The author grew up to become a success in several

    asked by Anabel
  53. math help

    What is the smallest number i must multiply 315 in order to make it a perfect cube? Please tell me the method you sed and how you got the answer. I've been doing guess and check and it is time consuming.

    asked by Farhin
  54. math

    The Following Table gives the sales for the Sasquatch Men's Shoe store: Shoe Size , Frequency (number of pairs sold) 4 , 8 5 , 12 6 , 31 7 , 50 8 , 58 9 , 46 10 , 37 11 , 14 12 , 11 1)determine the mean for the distribution, correct to 2 decimal places. 2)

    asked by josh
  55. science

    what city goes below sea level first miami or new orleans?

    asked by Anonymous
  56. math algebra

    A tax free municipal bond pays 4.75% compounded continuously. What is the value of a $2,000 bond after 30 years? Round your answer to the nearest cent. [Hint- A=P e^rt where P= present(initial) value, A= future value, r= annual rate, and t= number of

    asked by tom
  57. Math

    how many different sums of money can be formed by choosing 1 or more coins from 4 different kind of coins?

    asked by NINAA
  58. math

    two number cubes are rolled. what is the probability of getting a sum less than 5? 68/100 =0.68=68% ?? can you explained how to solve showing steps.

    asked by marilyn
  59. Math

    Search: Side of a rectangle is in the ratio 1:1√2 if the length of the larger sides is 12cm then find its area

    asked by Basheera
  60. math

    trapezoid abfe is similar to trapezoid efcd. a 3 b e 4.5 f d c What is the length of ___? DC

    asked by marilyn
  61. math

    Eldon received 72 on his first calculus test. The marks were normally distributed with a mean of 60 and a standard deviation of 8. He received 80 on the next test, which was normally distributed with a mean of 75 and a standard deviation of 6. Which was

    asked by josh
  62. Math

    The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool measures 10 ft long and 8 ft wide. If the length of the backyard is 35 ft long, what is the width of the backyard?

    asked by marilyn
  63. Maths

    Collect marks of 10 of your classmates in different subjects in the recent examination.estimate mean of mark in each sub

    asked by Arun
  64. Maths

    Musa is 12 years older than his sister Bisi, in 4 years time Musa will be twice as old as Bisi. Find their present ages.

    asked by Oroge Faith O.
  65. Physics

    Santa Claus (mass = 150 kg) is leaning his sled(mass = 50 kg, length = 6 m) at an angle of 72° against the wall of the house to enter from the roof the living room. Considering a coefficient of friction of 0.29 between the ground and the sled and no

    asked by Chika
  66. physics

    Determine the force per meter on a lightning bolt at the equator that carries 20 000 A and is perpendicular to the Earth’s magnetic field, 3x10-5 T. What is the direction of the force if the current is straight up and the Earth’s field direction is due

    asked by ainul
  67. Math

    A clock loses 1/2 minute every hour if it is put right at 6:00am on Sunday what time will it show the following Sunday when the correct time is 7:00 am

    asked by Ady
  68. Math

    T=r/d What is r? What is d? And how?

    asked by Freddy
  69. Math geometry

    Given:segment FJ congruent to segment IJ Conclusion: Reason:

    asked by Dorothy maayas
  70. Math

    On Sunday Mrs Scott drove for 10 hours at an average speed of 60 miles per hour on Sunday she drove for 10 hours at an average speed of 55 miles per hour her car can travel 25 miles for each gallon of gas how may gallons of gas did Mrs Scott use on both

    asked by Jenny
  71. Propotion

    A taxi cover a distance at the speed of 60 km/hr. How much time it will take to cover the same distance at the speed of 80 km/hr?

    asked by Anonymous
  72. American Government

    Describe the department/agency its purpose and contributions to human rights

    asked by Becky
  73. Math

    If a and b are roots of ax^2+2bx+c=0 and p+s and q+s are roots of Ax^2+2Bx+C=0 then prove b^2-ac/B^2-AC=a^2/A^2

    asked by Aradhna
  74. Chemistry

    Table sugar consists primarily of sucrose, C12H22O11(s). The standard enthalpy of combustion for sucrose is the ΔHo for the reaction: C12H22O11(s) + 12 O2(g) → 12 CO2(g) + 11 H2O(l) Calculate this ΔHo. Give your answer in units of kJ to five

    asked by Cali
  75. English

    Chapter 2 of the scarlet letter What does this tell you about the puritan people? "there appeared, in the first place, like a black shadow emerging into the sunshine, the grim and grisly presence of the town-beadle, with a sword by his side and his staff

    asked by Aria
  76. Chemistry

    A Starbucks Venti Caramel Macchiato contains about 42.0 grams of sugar. If we assume all the sugar is in the form of sucrose, use your answer from Question 4 to determine how many nutritional calories are produced in burning this quantity of sugar. Give

    asked by Cali
  77. Economics

    Suppose that there are 1,000 hot-pretzel stands operating in Toronto. Each stand has the usual U-shaped average total cost curve. Both the market demand curve and the supply curve for pretzels are linear, and the market for pretzels is in long-run

    asked by Mitch
  78. Maths

    Two numbers are in the ratio 2:7.if sum of the numbers is 99 , find them

    asked by Prasad
  79. algebra

    A man goes 3 km north and 4 km east.Find how far away is he from his initial position?

    asked by swapan
  80. physics

    A 2000-kg automobile with four-wheel drive and weight distributed equally on the four 60-cm diameter wheels can accelerate from 0 to 27 m/s (60 MPH) in 6 seconds. a. Calculate the minimum coefficient of static friction between the tires and the ground. (10

    asked by jennifer
  81. History

    What did the Edict of Nantes do for the Economy?

    asked by Sara
  82. History

    What did the Edict of Nantes do for their culture?

    asked by Sara
  83. physics

    A daredevil is shot out of a cannon at 49.7◦ to the horizontal with an initial speed of 29.9 m/s. A net is positioned at a horizontal dis- tance of 49.8 m from the cannon from which the daredevil is shot. The acceleration of gravity is 9.81 m/s2 . At

    asked by Kacie
  84. Math

    tinku is fond of collecting spiders and insects. He knows spiders have 8 legs and insects have 6 legs. he counted 36 legs. How many of each does he have in hi collection?

    asked by Harshita
  85. Math

    A boat traveled 36 mi up a river in 3 hours, returning downstream, the boat took 2 hours. What is the boat's rate in still water and what is the rate of the river's current?

    asked by Raquel
  86. physics 2

    How much higher will mercury stand in the open arm in a J-Tube manometer, if air column in the closed arm is reduced to 4 cm, the mercury id at the same level in both open and closed arms when the air column in the closed arm is 15 cm long. Assume

    asked by prince
  87. Physics

    (a) If the wavelength of an electron is 5.37 ✕ 10−7 m, how fast is it moving? (b) If the electron has a speed equal to 3.80 ✕ 106 m/s, what is its wavelength? What equation should I use?

    asked by Jake
  88. mathematics

    a classroom is 11m long and 8m wide and 5m height .find the sum of area of its floor and the four wall.

    asked by kora mosu
  89. math

    The results of a survey of students favorite candy is shown. If 100 students were surveyed. 30% students would prefer which candy? Gummi bears 23% Skittles 30% Jolly Ranchers 32% starburst 15%

    asked by kk
  90. Chemistry

    A recipe calls for 5M of sucrose (C12H22O11) dissolved in 750mL of H2O. Please calculate the total mass (g) of sucrose needed. Show all work.

    asked by Melissa
  91. chemistry

    calculate the mass of butane needed to produce 79.7g of carbon dioxide. express your answer to three significant figures and include the apprppriate units

    asked by marion
  92. Physics

    A daredevil is shot out of a cannon at 44.9◦ to the horizontal with an initial speed of 27.5 m/s. A net is positioned at a horizontal dis- tance of 41.2 m from the cannon from which the daredevil is shot. The acceleration of gravity is 9.81 m/s2 . At

    asked by Anonymous
  93. Statistics (Math 210)

    Hi there, I am working on a few homework assignments and having trouble with a few questions. I sincerely appreciate any and all help! :) A bank claims that the mean waiting time in line is less than 4.1 minutes. A random sample of 60 customers has a mean

    asked by Christa
  94. Statistics (Math 210)

    Hi there, I am doing my statistics homework and am having trouble with a few problems. I sincerely appreciate any help I receive! :) A manufacturer claims that the mean lifetime of its lithium batteries if 1200 hours. A homeowner selects 25 of there

    asked by Chris
  95. math

    When a chemist dilutes pure acid with another substance, the resulting mixture is no longer pure acid. Consistent with the words, pure acid is 100% acid. So, there are 20 grams of pure acid in 20 grams of a pure-acid solution. Laura, a chemist, has 20

    asked by Julia
  96. Statistics (Math 210)

    Hi there, I am doing my statistics homework and am having trouble with a few problems. I sincerely appreciate any help I receive! :) A manufacturer claims the standard deviation of salt in their meat is .5. An SRS of 18 samples shows the standard deviation

    asked by Chris
  97. Sequence and serice

    Express 0.54 as a rational number

    asked by Pratiksha
  98. Statistics (Math 210)

    Hi there, I am doing my statistics homework and am having trouble with a few problems. I sincerely appreciate any help I receive! :) According to a local chamber of commerce, in 1993, 5.9% of local area residents owned more than five cars. A local car

    asked by Chris
  99. English

    How do the themes like the will to live, the importance of storytelling, and the nature of religious belief help drive the plot forward? I don't really know how to answer this.

    asked by Sam
  100. PHYSICS (REALLY DIFFICULT PLEASE HELP)

    At a temperature of 18.0°C of 23.0cm^3 of a certain gas occupies has pressure of 103 kPa. (a) What volume would the gas occupy at a temperature of 0.00°C and pressure of 101kPa? (b) 1.00 moles of a certain gas occupies a volume of 22.4 litres at 0.00°C

    asked by Josh
  101. Math

    A company establishes a sinking fund in order to have 100,000 for upgrading office equipments in 4 years. If the company makes fixed monthly payments into an account paying 6.6% compounded monthly, how much should each payment be? How much interest will

    asked by John
  102. Maths

    Mari is 3 times older then nandhini after ten years the sum of thare ages will be 80 find the present age???

    asked by Anonymous
  103. pre calculus

    use matrices to solve the system of equations , if possible 2x+3y+z=10 2x-3y-3z=22 4x-2y+3z=-2

    asked by Anonymous
  104. Math

    Two parallel lines are cut by a transversal Suppose m∠438° Find m∠6 and m∠7 * m∠6 and m∠7 are corresponding angles *

    asked by Sara
  105. attitude

    why would someone post im not writting a paragraph just dont say anything instead of being hateful this post is for the person teapoi you dont belong herlping kids with homework you are hateful and unkind you need to buzz off i would say !@#$%^& butt this

    asked by gracie
  106. math

    r is no less than 1 unit from 24

    asked by jacob
  107. Math

    a number n is divided by 4 and the result is divieded by 3 . The final result is 2. What was the original number?

    asked by Rifat
  108. math

    Theresa has a chose of which pack of pencils to buy. At the store 20 pencils cost $4.00, or 12 pencils for $2,70. A) which is the better buy based on its cost per pencil? B) what is the difference of the cost per pencil between each pack?

    asked by Anonymous
  109. algebra

    The diagonal and the longer side of a rectangular plot are together three times the length of the shorter side. If the longer side exceeds the shorter side by 140 ​feet, what is the area of the​ plot?

    asked by jacob
  110. Algebra

    Identify the type of conic section that has the equation 9x^2 + 25y^2 =225 and identify its domain and range.

    asked by Anonymous
  111. MATH

    Let F(x) = ∫0 to x e^(t^2)dt a) Compute limx → ∞ (xF(x))/ (e^(x^2)) b) Compute limx → 0 F(x)/(xe^(x^2))

    asked by HELLPPP!!!!
  112. Algebra

    The sum of two numbers equal 25. The second number is 4 times larger than the first number. What are the two numbers

    asked by Leroy
  113. Physics

    A 52.4 kg pole vaulter running at 10.8 m/s vaults over the bar. The acceleration of gravity is 9.81 m/s2 . If the vaulter’s horizontal component of ve- locity over the bar is 0.60 m/s and air resis- tance is disregarded, how high is the jump? Answer in

    asked by Anonymous
  114. 6th grade math

    My question is: Between which two whole integers is -0.5. how do I explain this

    asked by Justin
  115. comparing fractions

    A third grade class was given a multiplication quiz. The quiz had 10 problems. Any correctly answered 6 problems, Bobby answered 7 problems correctly, Tom answered 9 problems correctly, and Sue only answered 2 problems correctly. A. What fraction of the

    asked by Emma
  116. Math

    Amman hikes 2 3/4 miles of nature trail in 1 hour and 15 minutes. How many miles of trail does Amman hike per hour?

    asked by Mo
  117. science

    what makes us cry while chopping the onion?

    asked by shall
  118. Math

    Input 48,24,12,6 Output24,12,6,3 Rule?

    asked by Anonymous
  119. Physics

    A ball having a weight of 1.5 N is dropped from a height of 4 meters. (Neglect air friction.) How much mechanical energy is "lost" just before it hits the ground?

    asked by Noah Alvarado
  120. math

    Tony bought some stock for $504. If each share had cost $4 less he could have bought 3 more shares for the same $504. How many shares of stock did he buy

    asked by jacob
  121. Algebra

    Thank you...I forgot to add the other part of the question.. The sum of two number equal 25 The second number is 4 times larger than the first number. Write the two equations AND what are the two numbers. I have x+4x =25 but not sure what the two equations

    asked by Leroy
  122. 7th grade math

    A track is 3/4 mile long . The track is measured in units called furlongs. one furlong is equivalent to an 1/8 of a mile. Ho long is the track in furlongs? Thanks! I think it is 3/4 times 1/8 equal 3/32

    asked by please check my work
  123. Algebra

    okay...I just figured out the two numbers...but not the two equations: x+4x = 25 5x = 25 x=5...so two numbers are 5 and 20 thanks for your help

    asked by Leroy
  124. Math

    If the perrimiter of a regular hexagon is 75 what is the length of each side

    asked by Rose
  125. Math

    A submarine is at a depth between 100 and 200 feet the surface of the water is represented by the number 0. Which number could represent the depth, in feet, of the submarine? A-225, b-145, c40, d 165..

    asked by Larry
  126. math

    you are dealt 13-card bridge hand from a 52-card bridge deck. what is the probability that you will be dealt exactly 5 hearts? what is the probability that you will dealt at list 2 hearts? what is the probability that you will receive 5 hearts, 4 clubs, 2

    asked by Alex
  127. Algebra

    Can you please help? I am working System of Equations. I need to find the solution of each of the following systems: How do I solve...thank you Y = 5x -3 and Y = -3x +5

    asked by Jaraud
  128. Math

    r=4/(-2-6sinϴ) 1. What is the eccentricity of the function? 2. What is the distance between the pole and the directrix? 1. A. 2 B. -2 C. 3 D. -3 2. A. 2 B. 2/3 C. 3 D. 6

    asked by Sade
  129. physics (urgent)

    Two identical gas cylinders each contain 20.0 kg of compresses air at 1.00 x 106 pa and 275 K. One of the cylinders if fitted with a safety valve that releases air into the atmosphere if and only if the pressure in the cylinders raises above 1.10 x106 pa

    asked by David
  130. Math

    Please Help Me! The equations below express the relationship between a person's height, H, and femur (thigh bone) length, F. Both measurements are in inches. Males : H=27.5+2.24F Females: H=24+2.32F a) If a man's femur is 20 inches long, about how tall is

    asked by Minny
  131. PHYSICS HELP

    Two identical gas cylinders each contain 20.0 kg of compresses air at 1.00 x 106 pa and 275 K. One of the cylinders if fitted with a safety valve that releases air into the atmosphere if and only if the pressure in the cylinders raises above 1.10 x106 pa

    asked by David
  132. Chemistry

    A solution is made by dissolving 55g of KCl in enough water to make 1.00 L of solution. Assume that the density of the solution is 1.00 g/mol. Calculate the mass percent, molarity, molality, and mole fraction of KCl.

    asked by Alivia
  133. Physics

    A 15 kg box is given an initial push to start it moving up a frictionless ramp with angle theta = 30 degree and length delta r = 22m. What horizontal force F will keep the box moving with constant speed to the top of the ramp?

    asked by Mary
  134. math

    A rational function is defined as this: $$ f(X) = \frac{a_0 + a_1X + a_2x^2 + \cdots a_n X^n } {b_0 + b_1X + b_2 X^2 + \cdots + b_mX^M} $$ Which allowing complex numbers can be factored to this: $$ f(X) = \frac{a (X - \alpha_1)^{e_1} (X - \alpha_2)^{e_2}

    asked by clay
  135. language arts

    1. which of the following sentence contains a linking verb ? A. Teresa wore her fav shoes today. b. her shoes look really comfortable c. she put them on with striped socks d. Teresa walked for hours without a complaint ! I'm not sure whts the answer , I

    asked by andrew
  136. Biotechnology

    Consider the titration of 25.0 mL of 0.050 0 M Sn2+ with 0.100 M Fe3+ in 1 M HCl to give Fe2+ and Sn4+, using Pt and calomel electrodes. (a) Write a balanced titration reaction. (b) Write two half-reactions for the indicator electrode. (c) Write two Nernst

    asked by Minh
  137. chemistry

    illustrate how to prepare a 1:3 solution of 0.5 hydrochloric acid

    asked by Priscilla
  138. P.E.

    Is this one a roller board? Beneath the board, there are rollers. Children like to ride on this board in the park. They can go faster because of the rollers beneath the board. Could you let me see the photo of 'roller board'? Thank you.

    asked by rfvv
  139. Physics

    A 0.5 kg air-track car is attached to the end of a horizontal spring of constant k = 20 N/m. The car is displaced 15 cm from its equilibrium point and released. a) What is the car's maximum speed? b) What is the car's maximum acceleration? c) What is the

    asked by Anonymous
  140. Physics

    A mass (0.5 kg) and spring (k = 250 N/m) system oscillates with an amplitude of 3.5 cm. a) What is the total mechanical energy of the system? b) What is the maximum speed of the mass? c) What is the maximum acceleration of the mass? I need help please.

    asked by Anonymous
  141. Math

    If the hot-air balloon shown in the shape of spehre, what is its radius? (Hint: V= 15,000 cubic ft.)

    asked by Alazia
  142. English

    From this morning, the rain will set in all over the country. ------------------------------- What is the meaning of 'set' in this sentence? Is 'set' used together with 'in' as in this sentence?

    asked by rfvv
  143. Chemistry (equlibrium direction) urgent

    Consider the endothermic reaction 2 NO(g) N2(g) + O2(g) -If I decrease the volume of the vessel and increasing the total pressure in the vessel, what direction will the equilibrium will shift? (left/right) (I know that decreasing the volume would shift to

    asked by Ray
  144. math

    On May 23, Samantha Best borrowed $4,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method.What was the maturity value of the loan?

    asked by Anonymous
  145. Social studies

    IS ANYONE IN CONNECTIONS ACADEMY 6th GRADE! I need help with the social studies test please!

    asked by Connections Academy 6th grade
  146. English

    What is the purpose of the author using flashbacks in the short story 'penny in the dust'?

    asked by Jade
  147. math double check please

    GCF and LCM of 252, 420, and 180 252: 2,2,3,3,7 420: 2,2,3,5,7 180: 2,2,3,3,5 GCF is 12 and I think LCM is 1260? Can you please tell me if I'm right?

    asked by Farhin
  148. Science

    . What is the freezing point of a solution that contains 3.5 mol of the ionic solid BaCl2 dissolved in 500. grams water?

    asked by Raam