Questions Asked on
October 18, 2016

  1. algebra

    Kevin decides to mix grades of gasoline in his truck. He puts in 5 gallons of regular and 10 gallons of premium for a total cost of $61.30. If premium gasoline costs $0.22 more per gallon than regular, what was the price of each grade of gasoline?

    asked by larry
  2. physics

    two forces with magnitude of 25N and 18N respectively are inclined at an angle of 120degree to each other. calculate the resultant force and the angle it makes with the 18N force.

    asked by okowju Destiny
  3. math

    Two aeroplanes fly eastwards on parallel courses 12 miles apart. One flies at 240 m.p.h. and the other at 300 m.p.h. How fast is the distance between them changing when the slower plane is 5 miles farther east than the faster plane?

    asked by binh
  4. math

    A ladder rests against a vertical pole. The foot of the ladder is sliding away from the pole along horizontal ground. Find the inclination of the ladder to the horizontal at the instant when the top of the ladder is moving 3 times as fast as the foot of

    asked by binh
  5. English

    Some have more than a hundred and some have none, its very colourful and you see it every morning someone please tell me the answer

    asked by John
  6. Math

    The density of water at 21 degrees C is 0.997992 g/mL. The density of water at 22 degrees C is 0.997770 g/mL. What is the density of water if the room temperature is 21.3 degrees C?? So I would just multiply 30 percent of the density at 21 degrees C but

    asked by Ray
  7. MATH

    Write the distance y across the flat sides of a hexagonal nut as a function of r.

    asked by VIKAS
  8. Chemistry

    if the density of 2-butanol is 0.80g ml-1, what volume of 2-butanol would be produced from 1kg of butene

    asked by Paris
  9. physics

    If the momentum of one object changes in a system that is subject to no net external force, what else must happen? 1) Collisions with other objects will change its momentum back. 2) The momenta of the other objects in that system change in the same way. 3)

    asked by Katelyn
  10. math

    Solve each problem and write your answers in scientific notation. 1. (6.0 x 105) x (3.0 x 104) = (1 point) 18 x 1020 18 x 109 1.8 x 1020 1.8 x 1010 2. (5 x 10–2) ÷ (2 x 103) = (1 point) 2.5 x 10-5 2.5 x 10-1 25 x 101 25 x 102 3. (2.56 x 106) x (3.56 x

    asked by awesome guy
  11. crop physiology

    How will you prepard o.5m, 1.0m, 2m & 4.0m solution of NaCl for 100ml

    asked by Anonymous
  12. physics

    You have a mass of 84 kg. How fast (in mph) would you have to run to have the same momentum as an 18-wheeler (m = 28,000 kg) rolling along at 1 mph

    asked by Beth
  13. Chem

    A gas at pressure 912 mm of hg has volume of 450 cm3 what will be volume at 0.4 atm

    asked by Anonymous
  14. physics

    a particle is projected horizontally at 15m/s from a height of 20m calculate the horizontal distance covered by the particle just before hitting the ground (g=10m/s square)

    asked by zinny
  15. physics

    A particle is drop from a vertical height (h) and falls freely for a time(t) with the aid of a sketch explain how (h) varies with (I) t (ii) t square

    asked by zinny
  16. Maths

    30 grams of a breakfast cereal provides 16.2mg of vitamin C. This is 24% of the recommended daily intake. What daily intake of vitamin C is recommended?

    asked by danielle
  17. physics

    Two identical boxcars (m = 14866 kg) are traveling along the same track but in opposite directions. Both boxcars have a speed of 5 m/s. If the cars collide and couple together, what will be the final speed of the pair?

    asked by Katelyn
  18. math

    The upper chamber of an hour-glass is a cone of radius 3 inches and height 10 inches and, if full, it requires exactly one hour to empty. Assuming that the sand falls through the aperture at a constant rate, how fast is the level falling when: a) the depth

    asked by an
  19. math

    A man 6 feet tall walks along a walkway which is 30 feet from a the base of a lamp which is 126 feet tall. The man walks at a constant rate of 3 feet per second. How fast is the length of his shadow changing when he is 40 feet along the walkway past the

    asked by an
  20. physics

    A particle is drop from a vertical height (h) and falls freely for a time (t) with the aid of a sketch explain how (h) varies with (i) t (ii) t*2

    asked by zinny
  21. math

    Algebra 1) 11x + 2y - 4x - y 2) 9x + 2y -5x what i did in no. 2 is subtract 9 and 5 then add 2... please correct mw if i am wrong

    asked by someone
  22. math

    algebra sorry i posted again 3) -(2x + 7) what i don't get is that what to do with 7 because it has no variable...

    asked by someone
  23. math

    The ratio of two numbers is 3:5, the smallest number is 45 what is the larger number?

    asked by eric
  24. Differentiation

    3x5+3x3-5 this question answer 15x4-9x2

    asked by Vijay
  25. Geometric progression

    Three numbers whose sum is 15 are in a.p. if 1,4,19 be added to them respectively the resulting number are in g.p find n

    asked by Vijay
  26. Geometric progression

    If the continued product of three numbes in g.p. is 216 and the sum of their products in pair is 156. find the numbers.

    asked by Vijay
  27. Geometric progression

    If for a g.p. S2=8 and s4=80,find its first term and the common ratio.

    asked by Vijay
  28. Differentiation

    y=log(logx) sir this question answer 1/x log x

    asked by Vijay
  29. Math

    There is a football field and the length shows 120 yd and the width is 53 1/3 yd a. What are the dimensions of a football field in feet? b. A chalk line is placed around the perimeter of the football field. What is the length of this line in feet? c. About

    asked by Erik
  30. Maths

    A plane flies a course of 346 degrees and then turns through 30 degrees in the clockwise direction. Find its new bearing. Since the plane from starting point covers a bearing of 346 degrees it's now going to be in the NW direction but going 30 more degrees

    asked by James
  31. Math

    1/50 change fraction to a decimal

    asked by Anonymous
  32. physics

    a particle is projected horizontally at 15m/s from a height of 20m calculate the horizontal distance covered by the particle just before hitting the ground (g=10m/s*2)

    asked by ziki
  33. Physics

    a piano string has a length of 2m and a density of 8,000kg/m3. when the tension in the string produces a strain of 1%, the fundamental note obtained is 170 Hz. calculate the modulus of elasticity for the material of the string.

    asked by Prince
  34. Maths

    A company is planning to manufacture and sell a new headphone set. After conducting extensive market surveys, the research department provide the following estimates: Marginal costs function: c^' (x)=RM(40+0.4x) where x is the quantity sold for the fixed

    asked by Trina
  35. Math

    If one side of triangle measures 3.5 dm. What is the perimeter

    asked by Jade
  36. Chemistry

    Gives isomeric compound of C3 H8 O woth IULAC names

    asked by Khan Hanzala
  37. Physics

    Okay,so you need to fill in the blank. 'Violet light travels at a _____ speed within the glass block than the red light' Thanks for answering! and sorry for my brain lacking physical sense Faylon

    asked by Faylon
  38. Science Earth

    Label the year and name of each geologic area on your geologic time scale. Using the 1 cm = 10 million years scale, figure out and measure each distance below from the PRESENT line. Pre-Cambrian Era = 4.6 Billion years ago = _______________________ cm from

    asked by Ayaka
  39. Science, Math

    I'm going to use 1 mm to represent 1 million years. 1 bya 2 byaM 3 bya 4 bya 4.6 bya What would be these numbers?

    asked by Ayaka
  40. Algebra

    New Orleans has highest elevation of 25, lowest -8. Long Beach has highest 360, lowest -7. Which city has an average elevation of -2?

    asked by Dan
  41. math

    How many square feet of carpet will be needed to cover the kitchen and bedroom floors? 237.5 square feet 365 square feet 425 square feet 475 square feet

    asked by jake
  42. Math Please help

    A division of a corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 40% of the selling price. The monthly fixed costs incurred by the division are $50,000. What is the break-even point for the

    asked by Robbi
  43. Physics

    Two identical boxcars (m = 14866 kg) are traveling along the same track but in opposite directions. Both boxcars have a speed of 5 m/s. If the cars collide and couple together, what will be the final speed of the pair?

    asked by Katelyn
  44. Math help please!

    New Orleans has highest elevation of 25, lowest -8. Long Beach has highest 360, lowest -7. Which city has an average elevation of -2? How do you calculate that?

    asked by Natasha
  45. CHEMISTRY HELP PLEASEEEE

    Sulfuric acid is a diprotic acid, strong in the first ionization step and weak in the second (Ka2=1.1X10^-2). Using appropriate calculations, determine whether it is feasible to titrate 10.00mL of 0.1 M H2SO4 to two distinct equivalence points with 0.1 M

    asked by Emma
  46. Please explain (Math)

    The demand equation for a certain brand of GPS Navigator is x + 3p - 565 = 0, where x is the quantity demanded per week and p is the wholesale unit price in dollars. The supply equation is x - 16p + 480 = 0, where x is the quantity the supplier will make

    asked by Robbi
  47. Math help

    Find the break-even point for the firm whose cost function C and revenue function R are given. C(x)=0.3x+140; R(x)=0.5x a. P(680)=340 b. P(700)=350 c. P(690)=345 d. P(720)=360 e. P(710)=355 thank you

    asked by Kal Jay
  48. Math

    For the pair of supply-and-demand equations, where x represents the quantity demanded in units of 1,000 and p is the unit price in dollars, find the equilibrium quantity and the equilibrium price. p = - 2x + 15 and p = 5x + 1 a. equilibrium quantity 4,000

    asked by Robbi
  49. Physics

    A jet pilot (80 kg) flies a loop-de-loop at a constant speed of 600 m/s. a) What minimum radius can the loop have so that the centripetal acceleration is no more than 6ag? b) Suppose that the pilot just happened to be sitting on a spring scale while flying

    asked by Anonymous
  50. Physics

    A passenger on a ride at the firemen's field days sits in a chair and is swung around at the end of a cable connected to a central tower. At full speed, the cable makes an angle of 56o with the vertical, and the chair is 46 m from the pole. 1)What is the

    asked by Anonymous
  51. Math

    a snail was at the bottom of a well in the first ten minutes the snail climbed 2 and 7/12m in the next ten minutes it climbed 1 and 5/7m how far was the snail from the bottom of the well after 20 minutes?

    asked by 5th grade
  52. Physics

    You have a mass of 84 kg. How fast (in mph) would you have to run to have the same momentum as an 18-wheeler (m = 28,000 kg) rolling along at 1 mph

    asked by Beth
  53. Physics

    A coach is hitting pop flies to the outfielders. If the baseball (mass=145 g) stays in contact with the bat for 0.04 s and leaves the bat with a speed of 79 m/s, what is the average force actions on the ball?

    asked by Sue
  54. Calculus

    A right circular cone has a volume of 100 cubic inches. What shape should it be in order to have the smallest lateral surface area? Find the results of the volume is V cubic inches.

    asked by Ms_Da
  55. Calculus

    A right circular cone has a volume of cubic inches. What shape should it be in order to have the smallest lateral surface area? Find the result of the volume is V cubic inches.

    asked by Ms_Da
  56. biology

    someone please help me im confused and idk what im doingg how would i create a dna molecule model using straws, pushpins, and paperclips? help me, please.

    asked by megann
  57. CALC

    Find the mass and center of mass of the lamina that occupies the region D and has the given density function ρ. D is the triangular region with vertices (0, 0), (2, 1), (0, 3); ρ(x, y) = 5(x + y) m=? (x,y)=?

    asked by Anon.
  58. CALC

    Find the mass and center of mass of the lamina that occupies the region D and has the given density function ρ. D is bounded by y =sqrt(x), y = 0, and x = 1; ρ(x, y) = 27x m=? (x,y)=?

    asked by Anon.
  59. Physics

    A brass rod of 0.2 kg at 100degree Celsius is dropped into 0.5 kg of water at 20 degree Celsius. The final temperature of the mixture is 23 degree Celsius.calculate the specific heat capacity of brass(specific heat capacity of Water is 4200 j/kg degree c

    asked by Kush
  60. math

    the sum of all numbers 1-100

    asked by iselle
  61. math

    the sum of 2+4+6...800

    asked by iselle
  62. math

    find the number of terms 14,21,28,35.....6293

    asked by iselle
  63. math

    the integers from 1 to 1000 are printed on a list. how many times does the digit 8 appear?

    asked by iselle
  64. Algebra 2

    Lesson 4: Linear Programming Unit 4 Linear Systems 1. (B) 5,0 2. (A) 8,0 3. (B) 6,2 4. (C) P=6 5. (D) P=29/1/3 6. (C) C=633/1/3 7. (A) 3 trays of corn muffins and 2 trays of bran muffins 8. (C) P= 400 9. (B) C= 67,370 10. (A) P= 51 10/10 (100%)

    asked by Becky
  65. Physics

    I had eye surgery and missed 2 weeks of lectures here is an example question of what we are learning Inwas wondering if someone can explain to me how to solve it? Two constant forces act on an object of mass m = 5.00 kg object moving in the xy plane as

    asked by Keef sosa
  66. physics (urgent)

    A cricket ball is thrown at a speed of 30ms^-1 in a direction 30 degrees above the horizontal. Calculate: 1. The maximum height. 2. The time taken to return to the same level. 3. The distance from the thrower to where the ball returns to the same level.

    asked by Saphina AlMatary
  67. physics (urgent)

    A car of mass 1000kg is travelling along a straight flat road at a constant speed of 30.0ms^-1. It then accelerates with constant acceleration of 3.00ms^-2 for 10.0s, after which it continues to travels at a constant speed. Determine: (a) The final speed

    asked by Saphina AlMatary
  68. physics (urgent)

    onsider the following velocity time graph: (I sent a separate link of the picture as it wouldnt allow me to send it in this box) a)Describe the motion of the object from time t_0 to time_1. b)List two pieces of information (other than speeds or velocities)

    asked by Saphina AlMatary
  69. Math

    my sister is 5 years elder than me if my age is x years then what will be my sisters age write the age in terms of 'x'

    asked by Paris
  70. science

    The process that does not involve oxidationis

    asked by veetrag nahar
  71. math

    if a coffee cup has a diameter of 2.5in then what is the cup's circumference?

    asked by Savanha
  72. Biology

    I'm making a study guide for this class and I'm not sure about this question.. can someone give their input? There is another effect that fertilizer had on an aquatic system. What is that called? I think it may be referring to pollution?

    asked by Mila
  73. Maths

    Were do the brackets go to make this equation true. 23+4=10🤓

    asked by Chloe
  74. physics

    a sled mass of 50kg is pulled horizontally over flat ground. the static friction coefficient is .30, and the sliding friction coefficient is .10. what minimum amount of force must be applied to the sled in order to start it moving? i got 147.15N what

    asked by sadie
  75. Calc

    Find the mass and center of mass of the lamina that occupies the region D and has the given density function ρ. D is the triangular region with vertices (0, 0), (2, 1), (0, 3); ρ(x, y) = 5(x + y) m=? (x,y)=?

    asked by Anon
  76. Calc

    Evaluate the following integral using three different orders of integration. *triple integral E (xz − y3) dV, where E = (x, y, z) |  −1 ≤ x ≤ 3, 0 ≤ y ≤ 4, 0 ≤ z ≤ 3

    asked by Anon
  77. Calc

    Evaluate the triple integral. SSS(triple integral T 3x^2 dV where T is the solid tetrahedron with vertices (0, 0, 0), (1, 0, 0), (0, 1, 0), and (0, 0, 1)

    asked by Anon
  78. Calc

    Use a triple integral to find the volume of the given solid. The tetrahedron enclosed by the coordinate planes and the plane 8x + y + z = 4

    asked by Anon
  79. Calc

    Use a triple integral to find the volume of the given solid. The solid enclosed by the cylinder x^2 + y^2 = 9 and the planes y + z = 19 and z = 2.

    asked by Anon
  80. algebra

    The big square is divided into nine congruent small squares. x+Y+Z=

    asked by linda
  81. Chemistry

    Write the balanced equations for the reactions: a) Reduction of Ag+ Ions with metal Fe. b) Oxidation of metal Mg with Cu2+ ion.

    asked by Christine
  82. Physics

    If the pole-vaulter were to land on concrete rather than on a cushion, the impulse that stops the fall would be what? A) Greater because of the rigidity of the concrete. B) Greater because of the force of impact is greater. C) The same because impulse is

    asked by Cindy
  83. MATH

    A man 6 feet tall walks along a walkway which is 30 feet from a the base of a lamp which is 126 feet tall. The man walks at a constant rate of 3 feet per second. How fast is the length of his shadow changing when he is 40 feet along the walkway past the

    asked by WILI
  84. math

    the perimeter of the quadrilateral is 49 centimeters. find the length of each side. when the sides are x+8 x+4 4x-3 & x^2-3x

    asked by darrius
  85. Algebra

    Simplify the following expression Z-2z+4z+6

    asked by Ann
  86. physics

    A rectangular loop of wire is placed next to a straight wire, as shown in Fig. 20–55. There is a current of 3.5 A in both wires. Determine the magnitude and direction of the net force on the loop

    asked by cindy
  87. Math

    Mr. Josie's investment decreased 25% in value. By what percent should its value increase so it can get back to its original value?

    asked by Karla
  88. Chemistry

    A student measures the molarity of a solution of sodium hydroxide as 0.247M. He leaves the solution in a beaker overnight and then titrates the solution again. This time he is surprised to get a result of 0.225M. Why should he have expected something of

    asked by Garrinique
  89. Algebra

    I need same help for Algebra class some time is defunct for me that why I need help but every day if they help I will do

    asked by Saber
  90. MATH

    The upper chamber of an hour-glass is a cone of radius 3 inches and height 10 inches and, if full, it requires exactly one hour to empty. Assuming that the sand falls through the aperture at a constant rate, how fast is the level falling when: a) the depth

    asked by ZEN
  91. Tx History

    What was the fate of the mission San Francisco De Los Tejas? A. It was abandoned and burned down by the priests and soldiers that lived there. B. It was abandoned but left in good shape so that it could be used later. C. It was destroyed by angry Hasinai

    asked by PLS HELP
  92. science

    What is the speed of motorist B? By what percentage did motorist A increase his speed for the second hour from the first hour? What is the speed of motorist A for the second hour? When motorist B reached his destination,how far behind was motorist A?

    asked by zoha
  93. statistics

    A naturalist leads whale watch trips every morning in March. The number of whales seen has a Poisson distribution with a mean of 2.1 Find the probability that on a randomly selected​ trip, the number of whales seen is 3. Round to four decimal places.

    asked by anonymous
  94. social studies (NEED HELP QUICK)

    Unstable government holds back economic development most in a. Namibia b. Botswana c. Somalia d. South Africa my answer: d

    asked by anonymous
  95. Math

    In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram

    asked by Anonymous
  96. Math

    In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram

    asked by Anonymous
  97. Math

    In a parallelogram abcd,if angle a =(2x+25) and angle b = (3x_5),find the value of x and the measures of each angle of the parallelogram

    asked by Anonymous
  98. social studies (NEED HELP QUICK)

    What was the effect of diversity in Darfur a. NGOs b. Apartheid c. Nationalism d. genocide my answer: c

    asked by anonymous
  99. Home economics

    What is consumer education in economics

    asked by Nora
  100. Tx History

    What is the best way to describe the the main problem of mission San Francisco de Los Tejas? A. There were not enough priests or missionaries to do a thorough job to convert the Hasinai. B. It took too much of a militaristic and violent approach to

    asked by Anonymous
  101. Math (NEED HELP NOW PLEASE)

    During the basketball game, Jen made 4 times as many shots as she missed. If she made 12 shots, how many shots did she miss? My guess: 3 * 4 = 12 shots total so 3 are missed. I do not want to teach this wrong. Please help.

    asked by Sub Teacher
  102. Math please help

    suppose a triangle has an area of 10ft^2. IF the base of the triangle is 1 foot longer than the height of the triangle, what are the lenghts of the base and height?

    asked by Madison
  103. Math

    The sides of a rectangular field are in the ratio 9:7 and the perimeter is 144 metres. Find the sides.

    asked by Hari
  104. Math please help

    Three consecutive odd intergers are such that the sum of the squares of the first two integers is 54 more than 20 times the third integer. Determine the three integers.

    asked by Madison
  105. geography

    the c0orn belt of the united states stretches from Ohio to Nebraska.

    asked by sierra
  106. Physics trajectory

    A ball rolls off a deck at a speed of 0.7 m/s. The deck is 4.5m above the street. How long does it take for the ball to reach the street?

    asked by Em
  107. Math

    factor completely 1- x/x-5 + 7x/x^2-3x-10 Please and Thank you

    asked by carol
  108. physics

    On a roller coaster, a student experiences an apparent weight of 1250 N while accelerating at 2.3 m/s^2 [U]. What is the students mass?

    asked by ali
  109. math

    A quilter wants to use as many of his 50 small fabric squares as possible to make one large square quilt. The quilter can use _ small squares to make his square quilt.

    asked by abe
  110. hunter

    how many grams of oxygen are required to burn 5.9g of C2H5OH? Molar masses: C2H5OH= 45.06 g/mole O2= 32.0 g/mole

    asked by Anonymous
  111. bmcc

    which of the following is an oxidation reduction reaction ?

    asked by Anonymous
  112. pyhsics

    a parachutist of total mass 75 kg jumps from an aeroplane moving at a speed of 60m/s at a height of 900 m above the ground. Her parachute reduce the speed of descent to 5m/s. calculate the decrease in her gravitational potential energy store as a result of

    asked by PUKKA
  113. Language Arts

    Which of the following correctly revises the the sentence so that it is entirely in the active voice? A. It has been decided by the school that the regular teacher should not evaluate the class; instead, the assessment should be performed by a visiting

    asked by Sami
  114. Math

    Imagine a triangle with a line extending out of it, I know two of the angles are 63° and 60°. I know the missing angle in the triangle is 57. The angle 57 is next to the line with the missing angle. But I am solving for angle m1. How do I solve this or

    asked by Mila
  115. math

    On a 28-question test, there are 2-point questions, 4-point questions, and 5-point questions. The test is worth a total of 100 points. There are twice as many 2-point questions as 5-point questions on the test. How many 2-point questions are on the test?

    asked by john
  116. Physics

    A 5 N ball is connected to two identical springs with spring constants k = 1.0 × 10^1 N/cm that push/pull in opposite directions and slides on a friction less surface. The ball is initially stationary and is then moved a distance x= 7 cm to the right and

    asked by Jenny
  117. maths

    how many tens in2017

    asked by Anonymous
  118. MATH

    Two poles are 24 metres and 30 metres high and 20 metres apart. A slack wire joins the tops of the poles and is 32 metres long. A cable car is moving along the wire at 5 metres per second away from the shorter pole. When the car is 12 metres horizontally

    asked by ZEN
  119. math help

    suppose a triangle has an area of 10ft^2. IF the base of the triangle is 1 foot longer than the height of the triangle, what are the lenghts of the base and height? Please help and show work

    asked by carol
  120. Social Studies

    what were some reasons for the french and indian war? Select all that apply A:French and british both wanted control of Ohio river valley B:French and british fought over control of Indian Fur trade C:The French wanted to take control of the Louisiana that

    asked by Pokemoncharzard
  121. Please help math

    suppose a triangle has an area of 10ft^2. IF the base of the triangle is 1 foot longer than the height of the triangle, what are the lenghts of the base and height? please help and show work so i understand how to do it

    asked by carol
  122. Chemistry

    How many moles of magnesium chloride are in 5.43 x 10^24 formula units of magnesium chloride?

    asked by Bree
  123. sign language

    can someone help me with sign language please!! 1)_____ of the American Manual Alphabet hand-shapes are formed to resemble the letter they represent A)All B)some C)None 2)what are two main parts of forming signs? A) forming words with your lips and

    asked by valerie
  124. maths

    take 30cm from 3/4 metre

    asked by Anonymous
  125. SS

    1. The U.S. Constitution calls for how many branches of government? (1 point) two three*** four five 2. Which of the following responsibilities are held by the legislative, rather than the executive, branch? Select all that apply. (2 points) writing and

    asked by Check Answers
  126. financial math

    Rate: 7% Payments: 360 @ $665.31 Total Interest: $139,511.60 How much will be repaid for this loan? $ 239,511.60239,502.40100,000.00 What percentage of this total is total interest? 60.256.258.2 What will be the average amount per payment for interest? $

    asked by jose
  127. math

    the tallest woman who ever lived cast a shadow of 10 feet while a 3 foot vertical stick cast a shadow of 3' 11". how tall was the woman to the nearest inch?

    asked by alex
  128. physics

    g varies from 0 N to 70.4 N as we stretch the spring by moving one end 5.35 cm from its unstressed position. Find the force constant of the spring

    asked by Anonymous
  129. GENERAL PHYSICS

    An electric motor rotating a grinding wheel at 100 rev/min is switched off. With constant negative angular acceleration of magnitude 2rad/second squared, how long does it take the wheel to stop?

    asked by HASTINGS
  130. SOCIAL STUDIES Check answer

    Which of the following is a reason for the start of the war of 1812? A) congress placed an embargo on US shipping B) the XYZ affair caused tensions with Britain C) the US was in dispute with Great Britain over the Northwest Territories***** D) Great

    asked by BatMan
  131. science

    What are the similarities and differences between the three major wind systems? Thanks!

    asked by Katie
  132. physics

    Identify the force that propels a rocket. 1)The rocket is propelled by the reaction force of the exhaust gasses bouncing off the air molecules outside the rocket. 2)The rocket is propelled because the action force of the rocket on the exhaust gases is

    asked by dave
  133. labor

    What demands would most likely be advocated by union leaders interested in obtaining contract ratifications

    asked by cheryl
  134. CHEM 1411

    What volume (in mL) OF 0.0215M HBr solution is be required to titrate 0.235L of a 0.0150M Ca(OH)2 solution? Ca(OH)2+2HBr= CaBr2+2H2O

    asked by JACI WINLOW
  135. English

    1. Please come to see me in the afternoon, when I will be free. 2. Please come to see me in the afternoon, and I will be free then. 3. Please come to see me in the afternoon, for I will be free then. 4. Please come to see me in the afternoon, and then I

    asked by rfvv
  136. English

    1. I went to Texas, where I stayed for a week. 2. I went to Texas, and I stayed there for a week. 3. I went to Texas, and there I stayed for a week. ------------------------------------- Can we use both #2 and #3 as the similar ones to #1?

    asked by rfvv
  137. Chemistry

    What volume of 17 M sulfuric acid must be used to prepare 0.15 L of 1.78 M H2SO4?

    asked by Ken
  138. Chemistry

    Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I a) at what concentration of Ag will AgI precipitating? at what concentration of Ag will AgCl precipitating? at what concentration of Ag will AgBr precipitating? b) calculate the percent % of I

    asked by Ali
  139. Chemistry

    I Just don't know what to do, I think I understand, but im not sure because all of the compounds are liquid. I would know how to do it if they were aqueous, and just the water is liquid, but they are all liquid. Determine the acid dissociation constant for

    asked by Bailey
  140. English

    1. This is the way he did it. 2. This is how he did it. 3. This is the way in which he did it. 4. This is the way by which he did it. -------------------------------- Are they all grammatical? Can we use 'by' instead of 'in'?

    asked by rfvv
  141. Physics

    If a wave has a frequency of 10 Hertz, what does this mean? Thanks.

    asked by Anonymous
  142. Physics

    Examples of transverse and longitudinal waves. Thank You

    asked by Anonymous123
  143. CHEM 1411

    What mass of Gallium chloride is formed by the reaction of 2.6 L of a 1.44 M solution of HCl according to the following equation: 2Ga+ 6HCl= 2GaCl3+3H2

    asked by JACI WINLOW
  144. chem 1411

    what mass of H2 is produced by the reaction of 118.5 mL of a 0.8775M solution of H3PO4 according to the following equation: 2Cr+2H3PO4= 3H2+2CrPO4

    asked by JACI WINLOW
  145. CHEM 1411

    A student isolated 25.4g of a compound following a procedure that would theoretically yield 100.1g what was their percent yield?

    asked by JACI WINLOW
  146. Chemistry

    A 1.75 gram perfect cube of wood has a side measure of 2.45 cm, what is the density of the wood?

    asked by Rae
  147. chem 1411

    A combustion analysis of a 0.00134g sample (CxHy) of a hydrocarbon yields 0.00375g of CO2 and 0.00164g of H2O. What is the empirical formula of the hydrocarbon?

    asked by JACI WINLOW
  148. chem 1411

    what is the oxidation state of In in In2s3?

    asked by JACI WINLOW
  149. math

    The sides of a rectangle are consecutive odd integers. If the perimeter is 192 inches, what is the length of each side?

    asked by Anonymous
  150. Mathematics

    If we require a margin of error of x% for the sample size n, express n in terms of x.

    asked by Grace
  151. math

    7. The tennis team is selling key chains as a fundraiser. If its goal is to raise is at least 180, how many key chains must it sell at $2.25 each to meet that goal? Write and solve an inequality. a. 2.25k (greater than or equal to) 180; k (greater than or

    asked by john
  152. chem 1411

    What volume (in mL) of a 0.750M solution of hydrochloric acid can produced by the reaction of 25.0g of NaCl with an excess of sulfuric acid? NaCl+H2SO4= HCl+ NaHSO4

    asked by JACI WINLOW
  153. Science

    If a wave has a frequency of 10 Hertz, what does this mean? Thanks.

    asked by Joe
  154. CHEM 1411

    A 0.4550g solid mixture containing CaSO4 dissolved in water and treated with an excess of Ba(NO3)2, resulting in precipitation of 0.6168g of BaSO4. What is the concentration ( weight percent) of CaSO4 in the mixture?

    asked by JACI WINLOW
  155. Math

    Jose had $2.20 in nickles and dimes. He has eight more nickles than dimes. How many of each coin does he have?

    asked by SL
  156. Math

    If eudora needs a total of 12 pieces of the shorter ribbon, how many more pieces of the ribbon does she need

    asked by Jaiquan
  157. Math

    fill in the symbols including brackets to make this statement correct 8 2 4 3 = 42

    asked by Dillon
  158. Physics

    A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 7.0 m/s at the end of 3.0 s. At that instant, the kinetic energy of the system is 60 J and each mass has moved a distance of 10.5 m. Determine the

    asked by Anonymous
  159. Chemistry

    Determine the mass of 18.7mL of rubbing alcohol with a density of 0.79 g/mL? - I got 14.77. I'm not sure I'm right. If someone could clarify I'd appreciate it! Thanks!

    asked by Rae
  160. chemistry

    A student melts 50.0 grams of ice using 16650 J of energy. What is the heat of fusion of ice?

    asked by Nick
  161. Chemistry

    Determine the volume of a 67.5g piece of aluminum with density of 2.70 g/mL? -I know V=M/p and this is what I came up with but I'm not sure i'm correct.. p = 2.7 g/cm3 M = 67.5 g V = 25 cm3 3√ V = 2.9240177382129 cm

    asked by Rae
  162. chemistry

    Ethyl alcohol has a heat of vaporization of 850. J/g. What mass of ethyl alcohol can be boiled using 15000 J of energy?

    asked by Nick
  163. chemistry

    Gold has a latent heat fusion of 64.5 J/g. How much energy is required to melt 20.0 g of gold?

    asked by Nick
  164. Math

    a family budgets 1/2 of its income for housing and 1/3 for food what fraction of their budget do these expenses cover

    asked by Daniel
  165. History

    How does the story of the pandavas in the mahabharata relate to aryan history? the story provides a sense of the battles between rival aryan tribes the story shows us the aryan concept of the ideal king the story reveals that the aryans believed that duty

    asked by Kylie
  166. math

    Hi, When I'm making a graph, how do I know what scale to use? I often struggle with this. Does the origin always have to start at 0? But then I don't know what intervals to use. Is there a rule of thumb? I'm referring to things like scatter plots and

    asked by Carly
  167. Math

    Two 2 1/2 inch plastic strips and two 5 1/3 inch plastic strips are used to form a rectangle. What is the Perimeter of the rectangle?

    asked by Andrew
  168. Math

    An 8.5 centimeter green bean pod contains peas that average 0.45 centimeter in diameter. How many peas are in the pod

    asked by Robert
  169. Math

    What is 5/12 divided by 3/4

    asked by Melanie
  170. English

    1. This is why you did it. 2. this is how you did it. ------------------- In these sentences, 'why' or 'how' is a relative adverb. Are both interrogative adverbs or relative adverbs?

    asked by rfvv
  171. English

    1. Tell me the reason why you came late. 2. Tell me why you came late. (In #1, 'why' is a relative adverb. In #2, 'why' is a relative adverb or an interrogative adverb. Is that right?) 3. This is how he solved the problem. (In this sentence, 'how' is a

    asked by rfvv
  172. Math

    A team plays 120 matches each year. In it's first year, the team won 45% of it's matches. The next year the team won 55% of it's matches. How many more games did the team win in the 2nd year than in the first year?

    asked by Amy
  173. math

    A wedding cake must be kept in a refrigerator at a temperature of at least 41*F but no more than 52*F. Write an inequality for the temperature, w, at which the cake can be kept.

    asked by tr
  174. Chemistry

    1) How does the atomic radius change from left to right across a period in the periodic table? A) It tends to decrease*** B)It tends to increase C) It first increases, then decreases D) It first decreases, then increases 2) What is the charge of a cation?

    asked by Mary
  175. Math

    Allison ran 3 l/2 Miles on Monday on Wednesday she ran 1 1/3 times as far as she ran on Monday how far did she run on Wednesday

    asked by Alevia
  176. English

    1. In the Red Badge of Courage, for what exploit was the youth praised by the colonel? for carrying the flag for getting the enemy's flag for rallying the men to fight*** 2. In The Red Badge of Courage, the description of Wilson changes from what to what?

    asked by Eagle Man
  177. Chemistry

    Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I a) at what concentration of Ag will AgI precipitating? at what concentration of Ag will AgCl precipitating? at what concentration of Ag will AgBr precipitating? b) calculate the percent % of I

    asked by Ali
  178. Physics

    A passenger on a ride at the firemen's field days sits in a chair and is swung around at the end of a cable connected to a central tower. At full speed, the cable makes an angle of 56o with the vertical, and the chair is 46 m from the pole. 1)What is the

    asked by Anonymous
  179. Physics

    A jet pilot (80 kg) flies a loop-de-loop at a constant speed of 600 m/s. a) What minimum radius can the loop have so that the centripetal acceleration is no more than 6ag? b) Suppose that the pilot just happened to be sitting on a spring scale while flying

    asked by Anonymous
  180. English

    1. I know why she was late. 2. I wonder why she was late for school. 3. I doubt why she came back home late. 4. He told me how he got there. 5. He asked me why I didn't study. 6. He showed me how to get to the station. ------------------------ Are they all

    asked by rfvv
  181. math

    3. Which of the following appears to be an irrational number? (1 point) 3.72727272… – .073303330… 4. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21 inches 15 inches 8

    asked by hellllllppppppppppp
  182. Mathematics

    There are 5 girls more than boys in a class. if 2 boys joined the class the ratio of girls to boys is 5:4. find the total number of student in the class.

    asked by value
  183. Math

    A truck was packed with cartons each containing packets of 500g and 250g.  The total mass of the packets was 900kg. If the number of 500 packets was 1000, what was the number if 250 packets?

    asked by Kgk
  184. Algebra

    You have two containers of acid solution. One is 30% acid. The other is a 50% acid solution. How much of each should be added to get a 45% acid solution?

    asked by Connie Esquibel
  185. Organic Chemistry

    Explain why the formation of one geometric isomer is favored over the other?

    asked by Lyndsay
  186. Physics

    A shopper pushes a cart 50 m south down one aisle and then turns 90.0° west and moves 12 m. He then makes another 90.0° turn and moves 20 m. What is the largest possible displacement of the shopper?

    asked by Rachel
  187. Math

    Where do I insert the grouping symbols for 8+12+16÷4 = 15

    asked by Jenna
  188. Ela

    Reread lines 679 - 706. What do the stage directions and dialogue reveal about Mr. Frank

    asked by Help
  189. Math

    160 is 4000% of what number

    asked by Jenny
  190. math

    what are 3 ratios for 1/10?

    asked by mandy
  191. math please help

    Three consecutive odd intergers are such that the sum of the squares of the first two integers is 54 more than 20 times the third integer. Determine the three integers. Please help and show all work thank you

    asked by Sarha
  192. Math

    PLEASE HELP! j + 150 x 50 is a _____ expression because _____.

    asked by Sportykid
  193. math

    The product of two numbers is 88.The sum of two numbers is 26. What are the numbers?

    asked by angelica
  194. Math please help

    1- x/x-5+7x/x^2-3x-10 Please simplfy and show all work thank you

    asked by Sarha
  195. math

    Which is the better buy? 2.9L of detergent for $4.56 or 3.8L for $5.78?

    asked by Anonymous
  196. MATH PLEASE SHOW WORK

    Three consecutive odd intergers are such that the sum of the squares of the first two integers is 54 more than 20 times the third integer. Determine the three integers. Please help and show all work thank you SHOW WORK SO I UNDERSTAND HOW TO DO IT THANK

    asked by Sarha
  197. Maths

    How do you find the coordinates that the curves y= 2x^2 +5x, y=x^2+4x+12 and y=3x^2+4x-6 have in common? The answer should be (3,33) I know that you have to solve a simultaneous equations. What I've done so far: y=2x^2+5x y=x^2+4x+12 --> 2x^2+5x=x^2+4x+12

    asked by Debora
  198. math

    determine all co terminal angles that lie in the interval -4pi less thank or equal to theta less than or equal to 4pi, for the following angles. a) 3pi/2 b) -5pi/3

    asked by Anonymous
  199. math

    A beetle is 1.8cm long. A drawing of the beetle is made using a scale of 5:1. What is the length of the beetle in the drawing?

    asked by Anne
  200. Math

    Penelope has a birdhouse that is 4 9/10ft above the roof of her garage. She has a second birdhouse that is 5.36 ft below the roof of her garage. What is the distance between the birdhouses?

    asked by Anonymous
  201. algebra

    use the identity a^2+b^2=(a+bi)(a-bi) to factor 16y^2+1

    asked by kate
  202. math

    the point P(1/2, root 3/2) lies on the unit circle. a) sketch the unit circle showing the point P and the standard position angle theta drawn to the terminal arm containing point P. b) determine the exact values of the six trigonometric ratios of theta.

    asked by Anonymous
  203. Social studies

    What is a definition of citizenship? -having been born in a country -being a full and equal member of a nation -having pledged to respect and support a governments's values -fulfilling all the responsibilities and having all the rights of living in a

    asked by Lili
  204. Math

    What is the additive inverse of f(x)=(x-2)^2?

    asked by CR
  205. economics

    The investment option with the highest rate of return and highest degree of risk is

    asked by mylisha
  206. math

    the point P(x, -2/3) lies on the unit circle and is in quadrant 4. a) sketch the unit circle showing the point P and the principal statndard position angel theta drawn to the terminal arm containing point P. b) determine the exact value of x. c) determine

    asked by Anonymous
  207. Math

    Luke is making pancakes the recipe calls for 0.5 quarts of milk and 2.5 cups of flour he has 3/8 quart of milk and 18/8 cups of flour Luke makes the recipe with his milk and flour that he has explain his error

    asked by Jada
  208. math

    Determine the exact value of the following. a) sin300 degress b) tan (-135 degrees) c)csc150 degrees d) sec45 degrees e) cos 4pi/3 f) sin (-3pi/4)

    asked by Anonymous
  209. Math

    When Steve woke up. His temperature was 102 degrees Fahrenheit. Two hours later it was 3 degrees lower. What was his temperature then?

    asked by Mo
  210. Math

    An elevator is on the twentieth floor. It goes down 11 floors and then up 5 floors. What floor is the elevator on now?

    asked by Mo
  211. psychology

    Which of the following statements regarding the nature of stress is true? A. Continued exposure to stress is associated with the secretion of stress-related hormones. B. Cataclysmic events such as earthquakes are, inevitably, the most devastating stressors

    asked by yop
  212. ELA

    What are the differences and similarities between Sal And Phoebe???

    asked by Vanessa
  213. physics

    Two objects are positioned and moving . m 1 = 7 kg ,m 2 =11 kg, and the coefficient of kinetic friction between object 1 and the tabletop is uk = 0.14. Find the acceleration of object 2(assuming up is the positive direction) as well as the tension in the

    asked by Mary
  214. Social studies

    What three features do people use to describe weather and climate

    asked by Kate
  215. Math

    A deep-sea exploring ship is pulling up a diver at the rate of 25 feet per minute. The diver is 200 feet below sea level. How deep was the diver 10 minutes ago?

    asked by Mo
  216. math

    Rectangles ABCD and PQRS have the same length-to-width ratio. Calculate the length of rectangle PQRS rectangle abcd: L: 30 cm W: 18 cm rectangle pqrs: L: ? W: 27 cm

    asked by Anne
  217. Math

    Grandpa is 24 years more than his son Carlos. Carlos is 35 years more than his sun Antonio. All three combined is 100 years. How old is Grandpa? How old is Carlos? How old is Antonio?

    asked by Poodle
  218. physics

    Identify the force that propels a rocket. 1)The rocket is propelled by the reaction force of the exhaust gasses bouncing off the air molecules outside the rocket. 2)The rocket is propelled because the action force of the rocket on the exhaust gases is

    asked by dave
  219. chemistry

    what is the skeleton chemical equation of this? And Balanced equation. Copper (ii) chloride + Lithium --> Lithium Chloride + Copper

    asked by SAM
  220. chemistry

    what is the skeleton chemical equation of this? And Balanced equation. Copper (ii) chloride + Lithium --> Lithium Chloride + Copper

    asked by SAM
  221. Physics

    A fireman, whose weight is 500 N, slides down a pole with an constant velocity of 3 m/s. The forces that act on him are his weight pulling him down and the force of friction pulling up on him. What is the force of friction and the net force of the fire

    asked by Evan
  222. Chemistry

    When 13.0 grams of acetylene, C2H2, is reacted, what mass of water, H2O, is produced?

    asked by Joe
  223. Algebra 1

    Benito has $6 to spend a sundae cost $3.25 Plus $0.65 per topping write and solve an inequality find how many toppings can he order.

    asked by Anonymous
  224. Math

    If the volume of a cube is 125m cubed, what is the expression for lenght of each side? I got the answer 5m cubed

    asked by Jordan
  225. Chemistry

    In the laboratory you will be provided with a 1.0 x 10-5 M primary stock solution of fluorescein (MW=332.31g/mol). The calibration curve should include a blank, 0.025, 0.05, 0.075, 0.10, 0.15, and 0.25 micromolar fluorescein solutions. Since you will be

    asked by Bruce
  226. math

    In a class of 60students, if the number of students who offer Maths is twice the number of students who offer English if 9 students offer both subjects and 3 students offer none of the subject, find the number of students who offer (i) maths (ii) English

    asked by Bernardo
  227. Calculus integrals

    (e^(3x)-2e^(2x)+(5e^x))/(e^x+1) how do I do this what is the techniques??

    asked by byu
  228. 8th grade math

    The diameter of the sun is approximately 1.4x10 to the power 9 km and the diameter of earth is approximately 1.28 x10 to the 4th power km. About how many times earths diameter is the suns diameter. Write in scientific notation.

    asked by Mythreyee
  229. math

    how to write the expression 25 less than 12 groups of 15? 25-12(15)... is this correct

    asked by teresa
  230. Matg

    At the start of a party, a bowl contains 16 pints of punch. Guests drink 10 1/4 pints. Then the host adds another 7 1/2 pints to the bowl. How much punch is in the bowl now?

    asked by Anonymous
  231. Math

    A pizza parlor has 13 different toppings available for its pizzas, and 2 of these toppings are pepperoni and anchovies. If a customer picks 2 toppings at random, find the probability that neither topping is anchovies.

    asked by Paige
  232. Math

    How many times does a palindromic number appear on a 12 hour digital clock between 12 midnight and 12 noon?

    asked by Charles
  233. English- Urgent

    I need help finding a Canadian Case that shows the benefits of Extrajudicial Measure! Please.

    asked by Kathy
  234. Calculus

    A water trough is 5 m long and has a cross-section in the shape of an isosceles trapezoid that is 30 cm wide at the bottom, 70 cm wide at the top, and has height 40 cm. If the trough is being filled with water at the rate of 0.2 m3/min how fast is the

    asked by Audrey
  235. math

    a recipe for fudge brownies calls for 3 5/8 cups of cocoa per bath. if you are making 2 1/2 batches, how many cups are needed?

    asked by annie
  236. Math

    Research two satellite phone plans with a specific number of minutes a month. Create a linear equation to represent the monthly bill based on both the flat fee and the per minute cost. Which one is the better option? Why?

    asked by Abe
  237. Math

    8 inch over 3 feet ratio simplest form

    asked by Angela
  238. math

    I need to come up with some ideas of things that have interesting linear relationships. I understand that a linear relationship is something that has a straight line, so is growing or declining at a constant amount every time period, or mile, or whatever,

    asked by Carly
  239. Algebra

    Tire pressure is directly proportional to temp on a temp scale where zero degrees is absolute zero. given that temp in degrees celcius and degrees Fahrenheit are related by the formula F=9/5C +32 and absolute zero is -273.15C, by what % does tire pressure

    asked by Grace
  240. Chemistry

    You are handed a well insulated container holding about 100ml of water at a temp between 75 deg C and 100 deg C. you are given a thermometer with a maxmimum temp of 50 deg C. create an experiment to determine the temp of the water. i am really confused on

    asked by Anonymous
  241. Science

    I need to make a story about digestive system and the story need to begin with a piece of food..plsssss help

    asked by Eunji
  242. G.p.

    The su three numbers in g.p. is 21 and the sum of their squares is 189 find the numbers.

    asked by Rio
  243. physics

    A 10uf capacitor is charged from a 30v supply and then connected across an uncharged 50uf capacitor.Calculate a. The final potential difference across the combination b. The final and initial energies

    asked by Gift
  244. English

    Help! I have to write a research paper and I have no idea how to start... please help me.

    asked by Alie
  245. Arithmetic progression

    Which term will be 27 of the sequence 5,7,9,11,....: Sir this question answer 10 how it possible i am confused

    asked by Vijay
  246. English

    Can I use "one" for past tense in writing a technical paper such as engineering lab. Ex. So one can see the rocks form.

    asked by English
  247. Math

    Anne Mary makes 1 3/4 pounds of Trail Mix and packages it into 2/3 pound bags share with her friends how many bags of Trail Mix does she have? Using a tape diagram.

    asked by Chidubem
  248. Math

    An average sized dog weighs about how many grams

    asked by Lanine
  249. physics

    A 1120 kg car rolling on a horizontal surface has a speed of 60 km/hr when it strikes a horizontal coiled spring and is brought to rest in a distance of 4.5 m. What is the spring constant (in N/m) of the spring? (Ignore nonconservative forces such as

    asked by kassy
  250. Math

    Okay I understand that your ment to combine like terms but can someone help me understand this question better. Please. 9y-11-5y=25

    asked by Wossum
  251. physics

    A spring has a spring constant "k" of 460 N/m. How much must this spring be compressed (in meters) to store 60 J of energy?

    asked by kassy
  252. Math

    -6h+4-3+h=11 Help

    asked by Wossum
  253. physics

    An object slides down a frictionless 33 degree incline whose vertical height is 37.0 cm. How fast is it going in meters/second when it reaches the bottom?

    asked by kassy
  254. math

    18-x/3=-7

    asked by Wossum
  255. physics

    Two railroad cars, each of mass 1800 kg and traveling 70.0 km/hr, collide head-on and come to rest. How much thermal energy in joules is produced in this collision?

    asked by kassy
  256. AG

    5. Why are congressional seats reapportioned every decade? a. to accommodate an increasing number of house members. b. to accommodate an increasing number of senators. c. to accommodate change in state populations. ******* d. to accommodate changes in the

    asked by anayde [PLEASE HELP!]
  257. Science

    I need to make a story about digestive system and the story need to begin with a piece of food..plsssss help

    asked by Eunji
  258. chemistry

    0.350 L of 0.470 M H2SO4 is mixed with 0.300 L of 0.250 M KOH. What concentration of sulfuric acid remains after neutralization?

    asked by james
  259. chemistry

    Calculate the number of Li atoms in 3.0 moles of Li. Express your answer using two significant figures.

    asked by rolando
  260. chemistry

    Calculate the number of CO2 molecules in 7.30×10−2 mole of CO2. Express your answer using three significant figures.

    asked by rolando
  261. chemi

    Calculate the moles of Cu in 8.4×1021 atoms of Cu. Express your answer using two significant figures.

    asked by rolando
  262. chemisty

    Calculate the moles of Cu in 8.4×1021 atoms of Cu. Express your answer using two significant figures.

    asked by rolando
  263. Math

    Cathy had a sum of money. She spent 1/5 of it in September, 1/4 of it in October and 120 in November. After spending these amounts of money, she still had 540 left. How much money did she have at first?

    asked by Mhyle