Questions Asked on
September 13, 2015

  1. Business

    Brianna is organizing a group of staff from her engineering company to provide Saturday afternoon tutoring for students at the nearby middle school. In order for her group of staff to remain stable, what is the optimal number of people she should recruit

    asked by Steve
  2. mathematics

    find orthogonal trajectory of family of circles x^2+y^2+2fy+1=0.

    asked by Anonymous
  3. calculus

    A rock is thrown upward with a speed of 48 feet per second from the edge of a cliff 400 feet above the ground. What is the speed of the rock when it hits the ground? Use acceleration due to gravity as –32 feet per second squared and approximate your

    asked by Anonymous
  4. chemistry

    For the decomposition of gaseous dinitrogen pentoxide (shownbelow), 2 N2O5(g).....> 4NO2(g) + O2(g) the rate constant is k = 2.8 10-3 s-1 at 60°C. The initial concentration of N2O5 is 1.52 mol/L. (a) What is [N2O5] after 5.00 min? _____mol/L (b) What

    asked by sabrina
  5. Science

    Which are reasons to get a claim peer reviewed? Check all that apply. A peer review verifies conclusions. A peer review proves everyone else wrong. A peer review maintains standards of the field. A peer review identifies sources of errors. A peer review

    asked by Alexis
  6. Chemistry

    Can I know the molarity of acid rain?

    asked by Jose
  7. Math: Geometric Progression

    Three numbers are in G.P. whose sum is 70. if the extremes be each multiplied by 4 and the means by 5, they will be in AP. find the numbers .

    asked by Aman
  8. english

    attract suffixes of adj, noun, adv, verb

    asked by jen
  9. math

    how can you find what each mark represents on a number line?

    asked by Michelle
  10. Physics

    A 0.0500 kg ice cube at -30.0◦C is placed in 0.400 kg of 35.0◦C water in a very well insulated container. What is the final temperature? (Note: how can you check if all the ice melts at equilibrium temperature?)

    asked by Anonymous
  11. english

    african slaughter rituals should be allowed in the suburbs

    asked by tsholofelo nteo
  12. Physics

    You are asked to consult for the city's research hospital, where a group of doctors is investigating the bombardment of cancer tumors with high-energy ions. The ions are fired directly toward the center of the tumor at speeds of 5.6 ×106m/s. To cover the

    asked by Danielle
  13. Physics

    A 0.0500 kg ice cube at -30.0◦C is placed in 0.400 kg of 35.0◦C water in a very well insulated container. What is the final temperature? (Note: how can you check if all the ice melts at equilibrium temperature?)

    asked by Anonymous
  14. physics

    The data in the following table describe the initial and final positions of a moving car. The elapsed time for each of the three pairs of positions listed in the table is 0.52 s. Review the concept of average velocity in Section 2.2 and then determine the

    asked by Jess
  15. Algebra

    A is the amount of caffeine left in your body after two hours, C is the amount of caffeine originally ingested, and k is the half-life of caffeine (about 5.7 hours). Round all other numbers to the thousandths place. Formula A=C (0.5)2/k c=29 and k = 5.7 I

    asked by Elsie
  16. algebra

    9 balls in a hat. balls are numbered 1-9. you choose 3 balls. how many possible combinations are there?

    asked by kay
  17. phsyics

    A kicked football leaves the ground at an angle with a velocity of 20.0 m/s as shown in the figure. Suppose the kick is attempted 36.0 m from the goalposts, whose crossbar is 3.05 m above the ground. angle 37

    asked by lauren
  18. Maths urgent

    One regular polygon has twice as many sides as another. If the ratio of the interior angles of the first to that of second is 5:4, find the number of sides in each polygon?

    asked by Rabinprakash Dahal
  19. Math (Trigonometry)

    Zola can see the top of 180m cell phone at an angle of elevation of 32 degrees, and Naeem can see it an angle of elevation of 50 degrees. How far apart are Zola and Naeem if they are on a straight line with the tower? There are two possibilities.

    asked by Luisa
  20. Physics

    An ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at +15.0 m/s2. At tl = 2.8 s the rocket engine is shut down and the sled moves with constant velocity v. At the 7800 m mark, the sled begins to accelerate at -7

    asked by Ab
  21. Math

    A nutritional formula calls for 500 g of dextrose in a total volume of 2000 ml. how many milliliters of a 70% w/v dextrose injection are needed to provide the required amount of dextrose? This seems to be a dimensional analysis problem. We have:

    asked by James
  22. Physics

    A rocket accelerates from rest at 17 m/s2 for 11 s. How far will it cover during this time? Answer in units of m. How do I solve this? do I multiply 17m/s2 by 11 seconds??

    asked by Adal
  23. math

    Greg is at his house.He gets in his car and drives north 9.6 miles and stops at the store.Then he turns around and drives south 8.4 miles to go to his friend's house.How far is the friend's house from Greg's house?

    asked by Jennifer
  24. Math- Algebra

    A 600 meters long train travels through a 4200 meter tunnel. Two full minutes elapsed from time the front of the train enters the tunnel until the last wagon exits the tunnel. What is the speed, in meters per second, of the train?

    asked by Austin M.
  25. chemistry

    The rate constant of a reaction is 6.2 x 10^-3s-1 at 25 degrees C, and the activation energy is 33.6 KJ/mol.. What is k at 75 degrees C? Enter your answer in scientific notation.

    asked by ruby
  26. Chemistry

    Calculate the number of moles of carbon atoms present in 2.2 g of ethanol (C2H6O). For this question, I would just need to find the molar mass of carbon, right? Not the molar mass of all of ethanol? So it would just be 2.2 g/ 24.02 g/mol which would equal

    asked by Alex
  27. physics

    A tennis player serves a tennis ball it is moving horizontally when it leaves the racquet. When the ball travels a horizontal distance of 12 meters, it has dropped 55cm from its original height when it left the racquet. What is the initial speed of the

    asked by jack
  28. Socials

    What are the political views of a tenant farmer in the 1820's

    asked by Ms.s
  29. history

    The Wilmot Proviso called for popular sovereignty on the slave question in the territories won from Mexico. True False The Wilmot Proviso ____________________. passed the House and Senate. enraged the South. brought the North and South together on the

    asked by miguel
  30. Chemistry (Check)

    Q: Number of unpaired electrons in the nitrogen atom. A: 1s^2 2s^2 2p^6. 3 unpaired electrons in the p orbital Q: Number of 4d orbitals. A: 10 Q: Maximum number of electrons that can have n=3 and l=1. A: 1s^2 2s^2 2p^6 3s^2 3p^6. 2 electrons

    asked by Anonymous
  31. Physics

    A 2500-kg car is traveling at 20 m/s around a road curve of radius 200 m. Find the central force acting on the car?

    asked by Jen
  32. Physics 111

    A boat is crossing a river. The velocity of the boat relative to the water is 4.0 m/s directed perpendicular to the river's current. The velocity of the current relative to the shore is 2.0 m/s. How long will it take for the boat to cross the river?

    asked by Hannah
  33. Math

    A plane flys 230 km due north. The wind is blowing west at 85 km. what direction is the plane flying. Calculate the actual speed of the plane. What is the hearing from North?

    asked by Georgia
  34. Chemistry

    The equation for lowering the freezing point of a solvent is given in your manual. Given that the freezing point for the pure solvent is 79.4 °C , the molality is 0.1 m , and the freezing point depression constant is 6.9 °C/m , determine the freezing

    asked by Asia
  35. math - age problem

    3 years ago, Vin’s age is 3 times the age of Paul. At the present, Vin’s age is twice the age of Paul. What would be their age 3 years from now if the sum of their present age is 18?

    asked by andrea
  36. math

    how much cesium-137 would remain after 120.0 years if you started with 34.0 grams

    asked by tanella
  37. math

    a bank loaned out 60000, part of it at the rate 14% per year and the rest at a rate of 8% per year. if the interest received was 6780, how much was loaned at 14%?

    asked by cindy
  38. Pre-calculus- URGENT

    Convert the rectangular coordinate (-8,i (square root of 3) into polar coordinates. How do I do this?? I tried every way I knew of to convert the y coordinate (i (square root of three)) to polar form, but it didn't work. I think that the polar form of the

    asked by Ellie
  39. History

    "The renewable energies roadmap unveiled earlier this month by the Commission sets a target of 20% for the share of total energy supply to come from renewable sources. “It is not the first time that targets for renewable energy have been fixed. In 1997,

    asked by Bill
  40. Chemistry (Check)

    Q: Name the group that has a general electron configuration of ns^2 and provide an example of an atom with this general configuration. A: Alkaline Earth Metals and Beryllium [He] 2s^2 Q: Name the group that has a general electron configuration of ns^2np^6

    asked by Anonymous
  41. Physics

    The driver pushes the accelerator pedal as far down as possible. The car does not accelerate above a certain maximum speed. Explain the reason for this in terms of the forces acting on the car.

    asked by Peter
  42. Physics

    6) A school bus moves at 2.2 m/s as it pulls away from the bus stop what is the speed of the bus 20 s later after its speed has increased by 5.225 m/s? 7) The height of a computer screen is 31.25 cm and its width is 47 cm. a) is the area of the screen

    asked by anonymous
  43. physics

    One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 2.12 km. They start at the west side of the lake and head due south to begin with. (a) What is the distance they travel? (b) What is the magnitude of the

    asked by Jess
  44. Physics

    A certain aircraft has a liftoff speed of 126 km/h. (a) What minimum constant acceleration does the aircraft require if it is to be airborne after a takeoff run of 244 m? m/s2 (b) How long does it take the aircraft to become airborne? s

    asked by Vitinna
  45. Physics

    A metal ball tied to the end of a string 1.8 m long is whirled in a horizontal circle at 4 m/s. What is the mass of the ball if the tension on the string is 30 N? What formula/s should I use?

    asked by Fey
  46. Calculus

    How can I show that the function F (x)= the integral from 2x to 5x of 1/ t dt is constant on the interval (0, +∞).

    asked by Anonymous
  47. Physics

    If each point charge has a value of -q for its charge, and the radius of the balloon is R, what is the magnitude of the NET Electric Field, E, at the location of each point charges, due to the other five? Your answer may only be in terms of q, R, π, k,

    asked by Deirdra
  48. physics

    A tennis player serves a tennis ball it is moving horizontally when it leaves the racquet. When the ball travels a horizontal distance of 12 meters, it has dropped 55cm from its original height when it left the racquet. What is the initial speed of the

    asked by jack
  49. phyics

    Consulting the graph shown in (Figure 1) , determine the object's average velocity over the time interval from 2 to 4 seconds. Express your answer in meters per second to the nearest integer. Position versus time graph for an object traveling with a

    asked by Rachel
  50. Math

    -1/2 divided _____________= -7/3 how do I get the number that equals -7/3

    asked by Gail
  51. math/science

    The total surface area of Earth is about 1.97 × 10^8 square miles. The surface area of land on Earth is about 5.73 × 10^7 square miles. Find the ratio of surface area of land to that of the entire planet.

    asked by .
  52. math

    if a ladder 15 meters long is placed so as to reach the bottom of a window 10 meters high, what distance on the ground does the ladder adjusted if it is placed on the top of a two meter square window and what is the new angle of elevation of the top of the

    asked by M
  53. English for Academic purposes

    What are the main reasons for a wave of discontent

    asked by Leah
  54. physics

    Vector Upper A Overscript right-arrow EndScripts has a magnitude of 75 units and points due west, while vector Upper B Overscript right-arrow EndScripts has the same magnitude and points due south. Find the magnitude and direction of (a) Upper A Overscript

    asked by Jess
  55. Physics

    how are the fundamental laws and principles of physics related to the complexity that we see in nature? 2) How do the laws of physics apply to other sciences such ad biology, chemistry, and earth science? Give a specific example to show the connection - is

    asked by anonymous
  56. grammar

    How children's drawings develop (1. is, are) a fascinating subject. For example, a two-year-old and sometimes even a three-year-old (2. does not, do not) create any recognizable forms when scribbling, and most of the children recently studied by a child

    asked by miguel
  57. Physics

    If a ball is thrown at an initial speed of 8.0m/s at an angle of 35 degrees above the ground, what is the speed of the ball when it returns to its original height?

    asked by Jacob
  58. english

    What does frivolity mean in this sentence After a year of serious work, Mr. David's grade 8 class enjoyed the frivolity of a party.

    asked by sarah
  59. Math

    The temperature at noon is 75 degreesF. The temperature drops 3 degrees every half hour. What is the temperature at 4.pm. I'm studying Multiplying Rational numbers and I don't know how to set this up.

    asked by Gail
  60. PHYSICS

    the gravitational force between two masses is 500 N. What is the gravitational force if the masses are doubled and distance between them is likewise doubled?

    asked by NotYourTyn
  61. grammar

    The word _______ always takes a singular verb, regardless of what follows it there who it that

    asked by miguel
  62. math/science

    If 0 is t when the year is 1982, what would be the value of t in 1990? How many years is that? From 1982 to 1992 the cost of the manufacturing a PC has decreased by about the same percentage each year. The cost, C (in dollars), in year t can be modeled by

    asked by .
  63. Math

    At present, the sum of the ages of a father and his son is 33 years. Determine the smallest number of years until the father's age is 4 times the son's age.

    asked by Student
  64. math

    1.4 divided by 36.96

    asked by John
  65. physics

    a ball tossed up at a rate of 8.7 ms/ and catches the ball at the same place on the way down. How long was the ball in the air?

    asked by connor
  66. Chemistry (Check)

    Q: Identify all that is incorrect about the set of four quantum numbers and explain why. {-3, 2, 1, 1/2} A. -3 because there can't be a negative orbital. Q: Identify all that is incorrect about the set of four quantum numbers and explain why. { 3, 2, 1/2,

    asked by Anonymous
  67. statistics

    what does this mean i have to do this in a spreadsheet Descriptive stats for each numeric variable

    asked by Anoymous
  68. Sicience

    Calculate the density of a liquid that has a mass of 20g and a volume of 315.4ml

    asked by Cat
  69. Computer Science Principles

    I need to know what's wrong with my code and it's supposed to be in the Next-Line blocking style. import java.util.Scanner; public class AreaOfCircle{public static void main(String[] args) { double PI = 3.14159;double get_this; double v; Scanner keyboard =

    asked by Charlie
  70. college physics

    You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 124 m/s. How much time does it take for the impulse, which travels a distance of 1.60 m, to reach your brain?

    asked by jess
  71. Geology

    Look up and review these terms and what a graphical representation or formula would look like fro the relationships to: rate of change

    asked by Brad
  72. PHYSICS

    A metal ball tied to the end of a string 1.8 m long is whirled in a horizontal circle at 4 m/s. What is the mass of the ball if the tension on the string is 30 N?

    asked by NotYourTyn
  73. PHYSICS

    An object weighs 480 N on earth. What would its weight be on a planet whose mass is twice the mass and ratio of the earth?

    asked by NotYourTyn
  74. Chemistry

    a 7.83g sample of hydrocyanic acid contains 0.290g and 4.06g of nitrogen. Find the mass of carbonin a sample of HCN with a mass of 3.37g.

    asked by Anonymous
  75. physics

    A person travels by car from one city to another. She drives for 21.8 min at 67.1 km/h, 13.1 min at 84.6 km/h, 51.4 min at 33.5 km/h, and spends 11.5 min along the way eating lunch and buying gas. Determine the distance between the cities along this route.

    asked by Anonymous
  76. chemistory

    Please can some one help me balance this oxidation reaction. Mn4^- + C2O4 ^- => MnO2 + CO3 ^2-

    asked by Prof
  77. algeb

    help please :) 1.) 3 years ago, Vin’s age is 3 times the age of Paul. At the present, Vin’s age is twice the age of Paul. What would be their age 3 years from now if the sum of their present age is 18? 2.) Willie bought a jacket for 26.86 pesos. The

    asked by Andrea
  78. chem

    The half-life of the Nobelium isotope No^257 is about 23 seconds. 644 seconds (or 28 half-life periods) after the isotope was released there were 20 grams remaining. The number of grans of No^257 after h half life periods is M= 20 * (1/2)^h where h = 0

    asked by J
  79. math

    1.) 3 years ago, Vin’s age is 3 times the age of Paul. At the present, Vin’s age is twice the age of Paul. What would be their age 3 years from now if the sum of their present age is 18? 2.) Willie bought a jacket for 26.86 pesos. The jacket’s price

    asked by andrea
  80. Psychology

    A researcher has conducted an experiment in which she has given participants a placebo, 10mg, and 20mg of a drug. She then measured their anxiety, blood pressure, and heart rate in response to the drug. How many levels does this experiment’s independent

    asked by Bill
  81. Charlestown high school

    L.o List and discuss any four factors that could threaten the core functions of the media

    asked by Lucia
  82. Difficult algebriac word problem

    I have some bananas on sunday,on monday morning i ate some of them and at night it became double,on tuesday morning i ate same number of bananas and at night also it became double,this process continued till saturday and all the bananas were finished.find

    asked by Collins
  83. mathematics

    R70000 is invested for five years.calculate a compound interest rate that would double the investment

    asked by cassy
  84. Maths

    You have 400 meters of fencing to use to make a rectangular enclosure. Give a detailed explanation of the different dimensions and areas that you are able to create using the set amount of fencing that you have. You may also show the dimensions of the

    asked by SPHA
  85. maths

    How many different rectangles with integral measurements can be drawn with perimeter as 32

    asked by Sharmishta chowdary
  86. Statistics/probability

    You are considering two mutual funds for your investment. The possible returns for the funds are dependent on the state of the economy and are given in the accompanying table. State of the Economy Fund A Fund B Good 20% 40% Fair 10% 20% Poor -10% -40% You

    asked by Eric
  87. algebra

    A boy can row 18km. downstream and return a distance of 16 km/hr upstream in 5hrs. If the rate of the current is 6km/hr, What is the boy's rate of rowing in still water?

    asked by dan
  88. Chemistry (Check)

    The Lyman series. Of the four lines, 91.2nm, 97.2nm, 102.6 nm, and 121.6nm, which one has the A. Highest wavelength? _____ B. Highest energy? ______ C. Highest frequency?_(1)____ which equals__(2)____ My answers A. 91.2 B. 121.6 C. (1) 121.6 C. (2) energy

    asked by Anonymous
  89. math

    A recipe good for 4 servings requires 1/8 tsp. of black pepper and 1/2 tsp/ of salt. how much pepper and how much salt needed for 2 servings?

    asked by jm
  90. government

    Are state governments unicameral or bicameral?

    asked by Anonymous
  91. Chemistry

    Determine the energy and n(i) for the spectral line at 121.6 nm (orange). Hint: R(H)=2.18x10^-18 J, c=3.0x10^8, and 1x10^9 nm - 1 m. Line, nm 121.6 E, J ___ n(f) 1 n(i) ___

    asked by Anonymous
  92. biology

    circle all the things from the list that would be included in a community. Explain why you circled those items. deer ticks mushrooms rotting leaves lady bug 3 inches of rainfall oak tree soil 75 degrees celsius kudzu 6 hours of daylight

    asked by biology
  93. Muziwesizwe High School. Life orientation

    Three practical measures to deal with water pollution that causes ill-health on a personal level

    asked by Nosimanga Mbokazi
  94. kwasa high school

    Illustrate three ways on how this issues can impact negatively to the health of the people in our community or school by water pollution

    asked by bongiwe mquanuz
  95. government

    why does a nation's economic status affect its attainment of democracy?

    asked by Anonymous
  96. Business

    Is your work place an example of a primary or secondary group?

    asked by Steve
  97. Life Science

    How are the three parts of a nucleotide attached to one another?

    asked by Victoria
  98. Physics

    A brick is dropped out of a window. It hits the ground 3.64 seconds later. How high is the window?

    asked by Nicole
  99. Physics

    You throw a ball with a mass of 160 g into the air with an initial speed of 19.8 m/s. How high does the ball rise?

    asked by Nicole
  100. math

    what does scale mean

    asked by Anonymous
  101. chemistry

    Le Chatelier's principle lab

    asked by Frank
  102. Neuroscience

    I'm struggling with the following question: The opening of chloride selective channels by a neurotransmitter X will drive membrane potential toward the chloride equilibrium potential. Assume that early during cell development, Cl is pumped into the cell

    asked by John
  103. Physics

    A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 2.0 m/s, skates by with the puck. After 1.00 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 0.20

    asked by Tina
  104. english

    abuse suffix adj, noun, adv, verb

    asked by jen
  105. Pregnancy

    I am having a hard time understanding my directions. Below are two times lines that represent prenatal development and pregnancy. On the prenatal development time line, indicate the timing(in weeks)of the three stages of prenatal development and the major

    asked by M
  106. BSu Probability

    In a multiple choice examination there are 20 question, each question has four alternative answer following it and a student must select one correct answer. Four marks are given for the correct answer and one mark is deducted for every wrong answer. A

    asked by onoja
  107. english

    suggest, create, predict suffix adj, noun, adv, verb

    asked by jen
  108. physics

    What was the angle at which the car left the road if it hit a house at the apex of its flight and traveled 50 feet horizontally and 20 feet vertically?

    asked by Lyndsey
  109. Math

    If a - 1/a = 2 then show that ( a + 1/a )^2 = 8

    asked by Noor
  110. Geology

    rate of change

    asked by Brad
  111. Multimedia

    Not sure if you will get this right away.. but here is the question... Prompt the user for their name and then prompt the user for a number between 1 and 12. After getting the input, you will display the user’s name and then display the number with the

    asked by Nikki
  112. Physics

    The gravitational force between two masses is 500N. What is the gravitational force if the masses are doubled and distance between them is likewise doubled? What formula/s should I use?

    asked by Hannah
  113. Chemistry

    a 7.83g sample of hydrocyanic acid contains 0.290g and 4.06g of nitrogen. Find the mass of carbonin a sample of HCN with a mass of 3.37g.

    asked by Jordan
  114. math

    the ratio of gas to ethanol is 17 to 3, how much ethanol is in 600 gallons of mixture

    asked by Noah
  115. math

    A rectangular cake measuring 120 cm by 72 cm is to be divided into square pieces of the same size and the largest size possible.What will be the measure of the side of each square and how many pieces will there be?

    asked by regieco batarra
  116. math help

    -1 3/4 3/4 < > = I think it's B

    asked by School
  117. Burayu sec&prep High school

    Measurement of Direction and Bearing

    asked by Girma Gadisa
  118. L.o

    What ar three practical measures to deal with this environmental issue that causes ill-health on a personal level?

    asked by Lucky
  119. College english

    some hallucinogens can be found in plants. mescaline comes from a cactus called peyote. And certain mushroom, also known as magic mushrooms, are hallucinogens.But many hallucinogens are chemicals that don't occur in nature. some examples are: LSD,MDA,

    asked by peral
  120. permutation & Combination

    How many ways can you set up a committee of 4 people from 10 people?

    asked by aweda
  121. probability

    How many ways are there to roll out a 3 question True or False?

    asked by aweda
  122. 4th grade math word problem

    tim is 27 years older than tom. the sum of their ages is 337. how old is ti,?

    asked by Zach
  123. LIVINGSTONIA UNIVERSITY

    A STONE IS DROPPED DOWN A PIT AND HITS THE BOTTOM 4.5 SECONDS LATER.CALCULATE THE DEPTH OF THE PIT.

    asked by AUBIZOH
  124. Chemistry

    In the reaction, PCl3 + Cl2 ------> PCl5 the concentration of the reactants at equilibrium were each determined to be 7.2 mol/L, and the product at 0.050 mol/L. Calculate the equilibrium constant (rounding to 2 significant figures and using scientific

    asked by James
  125. english

    Point out the pronoun Sentence : I had watched the movie on TV

    asked by sundar
  126. Intermediate math

    I have to factor these two problems but am having some difficulties X^3y^6-64 & (x+y)^3+(x-y)^3

    asked by April
  127. psychology

    Dr. Jefferson is conducting an experiment in which she is interested in the effects of caffeine on visuospatial ability in adult participants. She conducts an experiment in which she gives one group a pill containing 20mg of caffeine and a second group a

    asked by Bill
  128. Tholulwazi

    Physical sciences A car is stationary at first. It moves off with an acceleration of 2 m.s power -2. Calculate how fast it will be moving after 10 seconds.

    asked by Thando
  129. Science (Physics)

    (3.2534x10^4m)+(7.25x10^6m)/(4.26442x10^-3km)-(7.1299x10^-5km)

    asked by Marisa
  130. Sokisi high school

    What can we do about poverty ?

    asked by MAC#B
  131. College Algebra

    how do you find the sloution of each of the following rational euations ?? ▶ 4 / m+2 - 2 / m-3 = 6 /(m+2)(m-3) ▶ 3x-2 / 5x+5 = 4x-3 / 6x+7

    asked by slime
  132. math

    Please help! (X+y)^3+(x-y)^3

    asked by agnes
  133. Maths

    Factorise as far as possible: 1) 2a^2b + 8a^2b^2 The answer i got for this is 2ab(a+4ab). I'm not entirely sure if this is fully factorised or not. Can you please correct me if i am wrong. 2) x^2 + 5x - 6 I'm not sure how i can do this. Can someone please

    asked by Anonymous
  134. Physics

    Ball A is kicked at 40° above the horizontal. Ball B is kicked with the same horizontal component of velocity but at 55°. The speed of A is ( >or< ) the speed of B. The time A is in the air is ( >or< ) the time B is in the air. The range of A is ( >or< )

    asked by Blake
  135. math

    If there are two farmers who have grown grass in the circular field then what should be length of rope so that equal crop is distributed to both if rope is tied at the center of the circular field if r is radius of the circle

    asked by pooja
  136. Math

    If a - 1/a = 2 then show that ( a + 1/a )^2 = 8

    asked by Noor
  137. Math

    When the tap is turned on, a sink will fill at a uniform rate in 60 seconds. If the plug is removed, the sink will empty at a uniform rate in 80 seconds. How long will it take to fill the empty sink with the tap on and plug removed?

    asked by Anon
  138. vocabulary

    I need the word stratify in a sentence for a 7th grader

    asked by a
  139. Physics

    On the question that someone posted.....I asked my teacher on what formula I should use and said I should use this one: V^2= Vo^2+2ax (V^2 is the velocit, Vo is the initial velocity, a is accerlation and x distance . An automobile is traveling at 30 km/hr.

    asked by Rose
  140. Maths

    Rearrange in the form ax+by+c=0 1) y=-2x/7 - 6 2) y+4 = 3/5(x-1) Please help Thankyou 😘

    asked by Anonymous
  141. MATH

    GIVE ME AN EXAMPLE OF A MULTI-STEP NUMBER SENTENCE THAT INCLUDES EXPONENTS (THAT WOULD INVOLVE ORDER OF OPERATIONS AND INCLUDE AT LEAST THREE NUMBERS).

    asked by KIM
  142. Algebra II

    line passing through (0,3) that is perpendicular to x + y = 5 I thought it was y = -2x + 3 Answer is: y = x + 3 How did they get this? Thank you so much

    asked by Rachel
  143. Chemistry

    Determine the Energy and n(i) for the spectral line at 121.6 nm (orange). Given: spectral line: 121.6 nm n(f) = 1 Find Energy and n(i)

    asked by Anonymous
  144. algebra

    A boy can row 18km. downstream and return a distance of 16 km. upstream in 5hrs. If the rate of the current is 6km/hr, What is the boy's rate of rowing in still water?

    asked by dan
  145. Physics

    If six points charges are distributed on a balloon encased within a cube,in such a manner that the points charges appear like dots on a die and if each point charge has a value of -q for its charge, and the radius of the balloon is R, what is the magnitude

    asked by Deirdra
  146. statistics

    this is what we are supposed to do to began this paper Create a Microsoft® Excel® spreadsheet with the two variables from your learning team's data set. I understand the spreadsheet I think the variables are employee satisfaction, hours worked per week,

    asked by Anoymous
  147. Chemistry

    What is the order of the reaction for the following reaction and for each reagent given? A + 2B + C --> productions Experiment / A / B / C / rate 1 / 0.002 / 0.15 / 0.132 / 0.0057 2 / 0.002 / 0.25 / 0.132 / 0.0158 3 / 0.003 / 0.15 / 0.132 / 0.0114 4 /

    asked by Devin