Questions Asked on
March 28, 2016

  1. Calculus

    Determine whether the hypotheses of the Intermediate-Value Theorem are satisfied. f(x)=x^1/3 , [a,b]=[-1,1] Please, explain. Thank you.

    asked by Alice
  2. Calculus

    find the area between x=tan^2y and x=-tan^2y in -pi/4

    asked by Bethany
  3. Chemistry

    In a 1.0× 10–2 M solution of CH3NH3Br(aq), identify the relative molar amounts of these species. H2O, OH-, CH3NH3+, CH3NH2, H3O+, Br-, HBr

    asked by Joe
  4. Equilibrium Consentration

    At a certain temperature, the reaction H2(g)+ Cl(g)=2HCl(g)has Kc = 5 x 10^8. If a reaction mixture at equilibrium contains 0.48 M of H2 and 0.23 M of Cl2, what is the concentration of HCl? I was wondering if I had to rearrange the equilibrium constant

    asked by Alice
  5. physics

    Moving with uniform acceleration a body covers 80 m in first 5s and 180m in next 5s.find initial velocity and acceleration

    asked by rushil
  6. English grammar

    Honour and reputation (is/are) dearer than life. Suitable form of verb is:

    asked by Shreya
  7. English grammar

    Which of the following is a simple sentence? a) He ran fast but he failed to win the prize. b) Although he ran fast he failed to win the prize. c) In spite of running past, he failed to win the prize. d) He failed to win the prize because he did not run

    asked by Shreya
  8. physics

    solid sphere,thin walled hollow sphere,solid cylinder from above the ground in the same mass and radius which object reach first the ground?

    asked by Yonas
  9. English grammar

    "Fame shall sound thy praise from sea to sea". Can this be considered an example of personification?

    asked by Shreya
  10. Math

    Josie wants to tile one square section of her countertop. She bought 850 tiles with side lengths of 1 inch. A. What is the largest side length of that countertop she can tile? Round to the nearest whole inch. B. How many tiles will she have left over?

    asked by Brandon
  11. english

    1 state ten ways on how to study to understand and remember more of what you study 2. State two causes why you find it difficult to remember when you read/study 3. Briefly say two ways you can do to correct the courses

    asked by samson peter
  12. English grammar

    Punctuate the following sentence: How is the weather today Sam said John. I think the punctuated sentence would be: "How is the weather today Sam?" said John. I am not sure if there is a comma before Sam and said. Am I correct? Please help!

    asked by Shreya
  13. English

    1. We will go to school by bicycle along the coast road. 2. We will go to school by bicycle along the coastal road. (Do we have to use 'coast' or 'costal"?) 3. He took the bus. 4. He get on the bus. 5. He used the bus. 6. He rode the bus. (Can we use all

    asked by rfvv
  14. English grammar

    1) If it rained heavily, the reservoirs______ full. Use the right form of verb to fill in the blanks. a) will be b)would be c)would have been d) will have been (I think the answer is option b). Am I correct?)

    asked by Shreya
  15. English grammar

    1) Observe the relation and fill in the blanks. food:crude:: should: ____ (I think the answer could be prude but it could also be would, could etc. I considered these answers because all of them rhyme with should just like crude rhymes with food. But there

    asked by Shreya
  16. Maths

    If logx^3=0.5,find the value of x.

    asked by Bright ulubi
  17. Maths

    If 52n-24n=25n. Calculate the value of n.

    asked by Bright ulubi
  18. physics

    two charged particles of masses 4m & m and having charges +q & +3q are placed in uniform electric field they are allowed to move for 2 sec find the ratio of their kinetic energy solution

    asked by Arshita
  19. math

    A factory finds out that on the average 20% of bolts produced by the given machine will be defective.if 10 bolts are selected at random from the day's production of this machine,find the probability that 1.exactly 2 will be defective. 2. 2 or more will be

    asked by Bravo
  20. math

    A store owner receives 12 computers:nine are model A and the rest are model B.if two computers are sold at random,find the probability that one of each model is sold. (base on probability and combinatorial analysis)

    asked by Bravo
  21. math

    Suppose 3 balls are drawn at random from a box containing 8red,3white and 9blue balls,combinatorial analysis can be employed to determine the probability that,for instance,all balls drawn are red.determine that: I. At least one is white. of each

    asked by Ibrahim
  22. Chemistry

    Given the reaction 2HI (aq) + CaCO3(s) = CaI2(aq)+CO2(g)+H2O(l) What volume of of CO2 can be produced from 255mL of 3.0M HI and 75.2g of CaCO3 at STP? 75.2g CaCO3/100.09g/mol CaCO3 =.751mol CaCO3 (3M)(.255L)=.765 mol HI

    asked by Kevin
  23. English Grammar

    Please explain adverb phrases, prepositional phrases, verb phrases, noun phrases and adjective phrases along with examples. 2) "How is the weather today, Sam?" said Jonh. Why isn't a comma required before "said John?"

    asked by Shreya
  24. English grammar

    Punctuate: My orchard was often robbed by schoolboys and my wife's custards plundered by cats. I think the answer would be: My orchard was often robbed by schoolboys; and my wife's custards, plundered by cats. Am I correct? Why/ Why not?

    asked by Shreya
  25. linguistics

    Morphemes in algebra

    asked by jemima
  26. English

    I need an example of a simile for 'relieved'.

    asked by Dan
  27. Math

    8 Elizabeth recorded the length in centimeters of the pinky fingers of 10 students in her math class. The results are shown below. What is the mean absolute deviation for length of a pinky finger? 6.1, 5.4, 5.8, 6.3, 6.2, 5.9, 6.5, 5.2, 4.9, 5.5

    asked by Anonymous
  28. Algebra

    what is the equation in standard form of a parabola that models the value in the table? x -2,0,4 fx 1,5,-59

    asked by Link
  29. Math

    A man uses 60m of fencing to make 3sides of a rectangular fence,the fourth being the wall,if the area enclosed is 448m^2 .Find the possible length of the sides of the fence.

    asked by Kuteesa
  30. Science

    Which type of energy in the bungee chord prevents the bungee jumper from hitting the ground after a jump? A. kinetic energy B. elastic potential energy *** C. magnetic potential energy D. thermal energy -- Side note: Please help. I am not asking for the

    asked by Drew
  31. Physic

    ON is the vertical plumb line.A horizontal force F applies at M to push the piston at O and N,with the help of rods MO,MN.The rods MO,MN have the same length,when the distance of ON is 200cm,the distance of M to the plumb line ON is 10cm.Assuming the

    asked by Joey
  32. math

    Find the orthogonal canonical reduction of the quadratic from -x^2+y^2+z^2-6xy+2yz. Also, find its principal axes,rank and signature of the quadratic form.

    asked by gourav bhardwaj
  33. math

    Which of the following are binary operation.justify your answer. (i) the operation . defined on Q by a.b =a(b-a) (ii) the operation . defined on [0, pi] by x.y = cosxy also,for those operation which are binary operations,check whether they are associated

    asked by gourav bhardwaj
  34. English

    1. Because it was a rainy day, he took an umbrella with him. 2.Because it was a rainy day, he took an umbrella. ================= Do we have to use 'with him' as in the first sentence? How about #2? What is the difference between Sentence 1 and Sentence 2?

    asked by rfvv
  35. English

    You can't fly to Canada in an hour. It's impossible. ==================== What is the meaning of 'in' in the first sentence? Does 'in' mean 'within' or 'after'?

    asked by rfvv
  36. Maths

    In a test for every 6 answers carlene got correct, she got 2 wrong. She got 54 correct answers. 1 how many questions did the test have? 2 express the number of questions she answered correct as a percentage.

    asked by Ren
  37. GA State History

    1. How did mechanization change the agricultural industry? (Choose all that apply. (2 points) I think the answers are It increased production of crops, and It caused the cotton industry to decline. Can you check the answer for me? Thank you.

    asked by Anonymous
  38. Social Studies

    1. What did the Mayan calendars track? a: religious celebrations and battles b: religious celebrations and the seasons c: games pok-­ta-­tok and the seasons d: games of pok-­ta­-tok and battle i think it is A

    asked by rhydian morris
  39. math

    A wire of lenght 90 cm is bent to form a square.Find the length of the side of the square

    asked by amanul rahman
  40. Math

    If 1L cost $1.25 then how much would 1cup cost? How would i do this?

    asked by Tiara
  41. English

    Thank you for your help. There are some more sentences concerning the preposition 'in.' 1. He will be back in a few days. 2. The show starts in an hour. 3. Do you wnat to meet here in an hour? (Does 'in ' mean 'after a particular length of time'?)

    asked by rfvv
  42. science

    a body with a mass of 40kg is at the point of sliding down an incline plane of 20degrees.calculate the external force required to pull the body up the incline plane

    asked by Anonymous
  43. p.e/ drugs

    1. The first step in getting help for drug abuse is (1 point) A: detoxification. B: withdrawal. C: joining a therapeutic community. D: recognizing the problem 2. A place where former drug abusers live together and learn to be drug­free is called (1 point)

    asked by rhydian morris
  44. Maths

    A boat sails 4km on a bearing of 038 degree and then 5km on a bearing of 067 degree.(a)how far is the boat from its starting point.(b) calculate the bearing of the boat from its starting point

    asked by Bright ulubi
  45. English

    Thank you for your help. 1. He will be back after a few days. 2. He was back after a few days. ----------- In the past tense, do we have to use 'after' as in Sentence 2? What about Sentence 1? I used 'after' instead of 'in.' Is this sentence grammatical?

    asked by rfvv
  46. English

    1. No one wants to work with dirty,smelly people. 2. No one wants to work with dirty smelly people. 3. No one wants to work with dirty and smelly people. =============== Which ones are grammatical? In #1, a comma was used before 'people.' In Sentence 2, no

    asked by rfvv
  47. LA

    what's the main theme in Freak the Mighty? I need to do an essay on this but cant even figure out what the theme is

    asked by AlmostStolen
  48. statistics

    Data has been collected from a representative of a well-defined population to answer the question: "How much money does the average senior male at Normal Community High School have in his pockets at the end of the school day on Friday?" The next step in

    asked by michelle
  49. HÓA


    asked by Anonymous
  50. maths

    students are made to stand in equal rows with equal number of students.if 4 students are added to each row ,the number of rows will be reduce by 2 otherwise if 4 students are deducted from each row, the numer of rows will be increased by 3. then find the

    asked by rohan
  51. Chemistry

    Given that you are starting with 20.816 grams of Fe and 7.079 grams of O2, what is the THEORETICAL YIELD of Fe2O3 in moles?

    asked by Ben
  52. Chemistry

    I BADLY NEEDED HELP ON THIS :( A volume of 1.1 liters of 02 was collected inside a balloon at 295 K and 13.6 psi. The next day, the surrounding conditions were observed to be 32 C and 0.98 atm. What is the volume of the gas inside the balloon? (1 atm =

    asked by woody
  53. Chemistry

    Which of the following solutions has a molarity different from the rest? a. 6 N H3PO4 b. 4 N Ca(OH)2 c. 8 N HC2H3O2 d. 2 N NH40H

    asked by Peabody
  54. Civics

    A citizen who registers with the Republican party a) must vote for Republican candidates b) identifies with Republican ideas * c) can vote in any party’s primary d) can never change his or her affiliation

    asked by Anonymous JAK
  55. math

    If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a Jack or 2? (Your answer must be in the form of a reduced fraction.)

    asked by Anonymous
  56. math

    If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a diamond or 6?

    asked by Anonymous
  57. English (No links please)

    Who is Dolphus Raymond in Harper Lee's Nobel Prize winning book "To Kill A Mockingbird"?

    asked by Aaden Caldwell
  58. math

    A couple plans to have three children. What is the probability that a) they have all boys? b) they have at least one girl?

    asked by Anonymous
  59. Geometry

    Is it true for a reflection on a plane... To reflect across the: xy-plane (x,y,z)→(x,y,−z) xz-plane (x,y,z)→(x,−y,z) yz-plane (x,y,z)→(−x,y,z)? Is that true for all planes or just a few particular ones?

    asked by Aaden Caldwell
  60. Life Orientation

    Critically discuss ways in which human rights violations influences individuals, groups and the broader S.A I thought of many individuals will no longer be free and won't feel safe in their own country which increases emigration and reduction in S.A's

    asked by Annah
  61. math

    If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a Queen or Jack?

    asked by Anonymous
  62. math

    If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a spade or 6?

    asked by Anonymous
  63. math

    If Mr Nawa earns N$ x in a week and spend N$ y, what part of his weekly salary did he save?

    asked by Anonymous
  64. Science

    A rectangular piece of wood measuring 20cm by 5cm by 3cm weighs 900kg.Find the greatest pressure the piece of wood can exert if placed on a table.

    asked by Mike
  65. practical english

    Answer questions 1–4 in one or two sentences. Question 1a–1b is based on the following paragraph. A trip to the ocean can be a relaxing escape from the everyday pressures of life. A sailboat glistening on the horizon provides a mental escape to faraway

    asked by Anonymous
  66. physics

    A wave of frequency M sec-1 has a velocity of 4M m/sec. (a) How far apart are two points whose displacements are (𝑴𝟐)𝑜. apart in phase? (b) At a given point, what is the phase difference between two displacements occurring at times separated by

    asked by Anonymous
  67. Math

    Suppose that a company guarantees refrigerators and will replace with a new one that breaks while it is under the guarantee. However, the company does not want to replace more than 5% of the refrigerators under the guarantee. For how long should the

    asked by Morgan
  68. math

    In the 6/55 lottery game, a player picks six numbers from 1 to 55. How many different choices does the player have?

    asked by Anonymous
  69. History

    The economy's total output divided by its total population is called A. gross national product B. circular flow C. GDP per capital D. net export

    asked by Evan
  70. Math

    In the US, there is a .9 probability that a dollar bill is tainted with traces with drugs. If we randomly select 6 bills, what is the probability that 0 will be tainted? I got .0657 using my calculator

    asked by Meaghan
  71. mathmatics

    The last time you ordered paper you paid $5.00 per ream. The current price is $4.70 per ream. What is the percent of decrease in "+{price?

    asked by shawna
  72. Civics - check my answers

    1. Sixth Amendment "In all criminal prosecutions, the accused shall enjoy the right to a speedy and public trial, by an impartial jury of the State and district wherein the crime shall have been committed, . . ." What were the Founding Fathers most likely

    asked by Anonymous JAK
  73. Social studies

    1.greece's economy prospered thanks to? A. the arts B. philosophy C. trade (MY ANSWER) D. Architecture 2.Nation-building began in europe as a result of war and the? A.end of muslim rule. B.growth of cities. (MY ANSWER) death D.magna carta

    asked by LOVE
  74. Social Studies

    What was important about boycotts, sit-ins, and freedom rides? link please to help?

    asked by ?
  75. Statistics

    How do I find a p value given the Z statistic using the empirical rule?

    asked by Sarah
  76. Social studies

    3.The magna carta was the first step toward England's? A. large cities B. war with france C. merchant guilds D. more democratic government (MY ANSWER) 4.athens permitted citizens to take part directly in the day-to-day affairs of goverment and became the

    asked by LOVE
  77. finance

    EUR/USD=1.1210/1.125 USD/JPY = 112.15/114.25 EUR/JPY =???

    asked by Anonymous
  78. Physics 110

    How much energy is needed to raise 500 grams of water from 10 degrees Celsius to 40 degrees Celsius?

    asked by Jennifer
  79. Geometry

    The ratio of the width to the length of a rectangle is 4:5, If the area of the rectangle is 500 square centimeters, what is the length of the rectangle?

    asked by JCAINE
  80. Math

    You borrow 1,200 at a rate of 4.5% for a period of 2 years. How much will you repay at the end of 2 years? a. $108 b. $1,080 c. $1,308 •• d. $2,280 Correct me

    asked by Pablo
  81. Math

    Suppose that a company guarantees refrigerators and will replace with a new one that breaks while it is under the guarantee. However, the company does not want to replace more than 5% of the refrigerators under the guarantee. For how long should the

    asked by Morgan
  82. Finance

    Pasqually Mineral Water, Inc., will pay a quarterly dividend per share of $1.40 at the end of each of the next 12 quarters. Thereafter, the dividend will grow at a quarterly rate of 1.2 percent, forever. The appropriate rate of return on the stock is 10

    asked by Garfunkel
  83. Finance

    Fifth National Bank just issued some new preferred stock. The issue will pay an annual dividend of $15 in perpetuity, beginning 20 years from now. If the market requires a return of 4.5 percent on this investment, how much does a share of preferred stock

    asked by Jomac
  84. Finance

    Universal Laser, Inc., just paid a dividend of $3.30 on its stock. The growth rate in dividends is expected to be a constant 6 percent per year, indefinitely. Investors require a return of 15 percent on the stock for the first three years, a rate of return

    asked by Jason
  85. Math

    You borrow 1,200 at a rate of 4.5% for a period of 6 months How much will you repay at the end of 6 months? A. 27 B. 54 C. 1,173 D. 1,227•• Correct me

    asked by Pablo
  86. Math

    So Prize money of $500 is divided between Alan & Jim so that Alan receives $170 more than Jim How much does each receive ----- Using one variable:: Let Jim have "x" Then Alan has "x+170" ---- Equation: x + x+170 = 500 2x = 330 x = $165 (Jim's share) x+170

    asked by Jeremy
  87. Social studies

    5.which of the following was a factor in the fall of the roman empire? A. one emperor united the empire B. the roman army weakend (MY ANSWER) C. taxes fell D. price decreased 6.Which of the following contributed to the rise of cities in the High middle

    asked by LOVE
  88. Science


    asked by Salo
  89. Statistics

    How do I find a P VALUE given the Z statistic using the empirical rule? Doing this by hand

    asked by Sarah
  90. chemistry

    acetic acid and oxalic acid exist in different states at room temperature. one is a liquid the other is a solid which is the solid? Explain.

    asked by Mia
  91. chem

    Arrange the following compounds in order of increasing boiling point. butanal 1-butanol diethylamine tartaric acid butane butanoic acid and can you please explain why?

    asked by Emily
  92. algebra

    I have a rectangular prism with a volume of 48 cubic feet and a height of 3/4 foot. The base of the rectangular prism is not a square and the width is greater than 2 feet. What is the length and width of the rectangular prism?

    asked by John
  93. math

    grant needs 2/3 cup of raisins and 3/4 cups of almonds to make trail mix. which statement can be used to find out if there are more raisins or almonds in the mix?

    asked by michele
  94. Trigonemtry

    The sun is 25° above the horizon. Find the length of a shadow cast by a building that is 100 feet tall (see figure). (Round your answer to two decimal places.)

    asked by Lou
  95. Math please help

    The measure of the supplement of an angle is 30 more than twice the measure of the angle. Find the measure of the angles.

    asked by Dylan
  96. EASY Math

    The equation V = -2000t + 20,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $14,000, find the age of the car.

    asked by Sarah
  97. History

    1.)How did New England's textile industry affect women? A.)New technologies required men to work far from their wives & families. B.)The jobs in the this field were considered "men's work

    asked by #FreeGucci
  98. wireless

    suppose that a temparture is rising from o to 30'c than what will be note power density

    asked by ali shah
  99. Chemistry

    1)Naturally occuring boron is made up of 20% by mass of 10B isotope and 80% by mass of 11B isotope.Calculate the relative atomic mass of boron. (2)Natural Silicon containing ores contains 92% of 28Si, 5% of 29Si and 3% of 30Si.Calculate the relative atomic

    asked by PEACE
  100. algebra 2

    A new development has 105 houses, all same size. if Evan can paint a house in 4 days and Joel can paint a house in 3 days, how many weeks will it take them working together to paint all 105? A normal work week is 5 days.

    asked by Sydney
  101. History

    2.)Which factor contributed most to Florida's admission to the Union as a slave state? A.)The importance of Florida's ports to the transatlantic slave trade B.)The central role of slavery in maintaining Florida's railroad C.)The difficulties of preventing

    asked by #FreeGucci
  102. math

    Kevin will rent a car for the weekend. He can choose one of two plans. The first plan has no initial fee but costs $0.90 per mile driven. The second plan has an initial fee of $50 and costs an additional $0.70 per mile driven. How many miles would Kevin

    asked by marisol
  103. physics

    A car drives straight down toward the bottom of a valley and up the other side on a road whose bottom has a radius of curvature of 115 m. At the very bottom, the normal force on the driver is twice his weight. At what speed was the car traveling? I have

    asked by Rain
  104. math

    At a certain time of the day the elevation of the sun is 40 degrees. To the nearest foot, find the height of a tree whose shadow is 35 feet long.

    asked by Chris
  105. math

    The Washington monument is 555 feet high. If you are standing one quarter of a mile, or 1320 feet, from the base of the monument and looking at the top, find the angle of elevation to the nearest degree.

    asked by Chris
  106. math

    find the values of cosine 21 degrees, and sine 3 pi divided by 10

    asked by Chris
  107. Algebra

    A grocery store chain needs to transport of 3000m^3 of refrigerated goods and 4000m^3 of non-refrigerated goods. They plan to hire truck from a company that has two types of trucks for rent. A truck of type A has a refrigerated goods section of 20m^3 and a

    asked by Anish Panda
  108. math

    For holloween,David packed 6 lb of candy into bags of 1/3 lb each. How many bags of candy did David pack?

    asked by jasmin daniels
  109. math

    use the unit circle to determine the exact value of each angle: sine 30 degrees, cosine pi, sine 11 pi divided by 6, and cosine 135 degrees.

    asked by Chris
  110. Chemistry

    We're doing a spontentaity lab in chemistry and I wanted to make sure I was using the right equation to do the questions! Could someone make sure this is right?? q system = - (q water - q calorimeter)

    asked by Alice
  111. Language Arts

    What Is the Secret to Reaching Someone With Words? In this discussion, you will post issues related to connecting generations. To support your ideas, refer to the texts in this section, other texts you have read, and your personal experience and knowledge.

    asked by HELP ASAP PLZZ
  112. Spanish

    Which is farther away from the speaker? a. aquella chaqueta*** b. esta chaqueta c. una chaqueta d. esa chaqueta

    asked by Kaai97
  113. Spanish

    Where is ese abrigo located with respect to the speaker? a. on the speaker b. a long distance from the speaker c. no distance from the speaker d. a short distance from the speaker***

    asked by Kaai97
  114. Spanish

    Why has traditional Lenca pottery changed? a. The original materials are no longer available. b. The artist are no longer available. c. To suit modern tastes.*** d. To make it more beautiful

    asked by Kaai97
  115. Spanish

    Once piracy declined, what was the fort at Omoa used for? a. as a private palace b. as a school c. as a prison*** d. as a civic center

    asked by Kaai97
  116. Spanish

    What hangs over the front door of the Fortaleza de San Fernando? a. a Spanish helmet b. a pirate emblem c. a cannon d. a coat of arms***

    asked by Kaai97
  117. math

    You are dealt one card from a standard​ 52-card deck. Find the probability of being dealt a card greater than 2 and less than 7. I got 5x4=20/52=5/13

    asked by jessica
  118. sociel studies

    how did most people in the middle colonies make a living

    asked by melanie
  119. physics steve or damon help!!!!

    A stone is thrown horizontally from the top of a vertical wall with a velocity of 15m/!@#$%^& the horizontal ground at a point 45m from the base of the wall.calculate the height of the wall g=10

    asked by david
  120. Pre calc aesthetic quadratic stuff

    two numbbers have sum of 9 and product of 20. What singlevariable quadratic equation in form of ax^2+bx+c=0 can be used to represent the product of the two numbers

    asked by Sik-kunt zyzz
  121. Geography

    Could devolution happen between the USA and TexAs? explain?

    asked by Anonymous
  122. CarpeDiem

    When researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from this resource. A. Television B. Call-in radio C. Librarian**** D. Personal interview

    asked by Public Speaking
  123. Chemistry

    what mass of NaCl do you need to make a 500mL of a 0.10M solution?

    asked by LUIS
  124. Public Speaking(check)

    When researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from this resource. A. Television B. Call-in radio C. Librarian***** D. Personal interview

    asked by CarpeDiem
  125. Language Arts

    How can words or stories connect generations? How can interactions between generations create conflict? Can words resolve these conflicts? What can each generation teach the other? Why might is sometimes be difficult for two generations to communicate? Why

    asked by HELP ASAP PLZZZ
  126. Chemistry

    If 12.01 g of Mg metal and 6.56 g of O2 gas are reacted, 1) How many moles of MgO can be produced from the given mass of Mg? 2) How many moles of MgO can be produced from the given mass of O2? 3) From the above calculations, determine which of the

    asked by Ben
  127. 5th grade math

    A seed needs to grow 3 in. in one week. the seed grows 1 7/8 in. one day and 1/2 in. another day. how many more inches does the seed new to grow. Do I add or subtract. help

    asked by Jeffery
  128. Math

    Triangle RST has angles measuring 38° and 75°. Triangle R′S′T′ has angles measuring 67° and 38°. The sides are proportional.. Is it dilation? If not what is it??

    asked by Bubble
  129. Public Speaking(check)

    1) An advantage of using narratives in your speech is that they: A. explain abstract concepts. B. calm emotions. C. create excitement.**** D. clarify technical ideas. 2) In planning to conduct research, it is very important to have and start with a (an):

    asked by CarpeDiem
  130. History

    3.)why would a seminole not like the united states honoring the memory of andrew jackson? A.)He fought wars against them and eventually forced them to move to Oklahoma.*** B.)He fought wars against them and prospected for natural gas in seminole lands.

    asked by #FreeGucci
  131. Physics

    Object A experiences a gravitational force due to object B. How would that force change if the separation distance is halved, mA triples, and mB is reduced to one quarter of its original value?

    asked by lost in life
  132. Chemistry

    To prepare one liter of 2.5 M solution of HCl, what is the volume of concentrated HCl (37% p/p, d = 1.19 g/mL) to be used?

    asked by Nadia
  133. Physics

    Jay (65 kg) is standing on a scale in an elevator holding an apple. The elevator begins to accelerate downwards at 2.4 m/s2. What does the scale read during this acceleration? would it be 793 N or 481N? N=m(g-a) OR N=m(g+a)? and why plz!

    asked by Bubble
  134. Math

    Can you help with a math word problem on rates and ratios

    asked by Susan
  135. English

    Hello. I'll be grateful for some help. 1) Is the preposition "for" OK in the phrase "our hopes for a better future" or is it "of"? 2) Is the sentence OK "April 5th is my sister's birthday"? 3) Please check the sentence "I often recollect our boat trip on

    asked by Ilma
  136. Geography

    What are they physical features of Burma

    asked by Anonymous
  137. Physics

    Tom (65 kg) is standing on a scale in an elevator holding an apple. The elevator begins to accelerate downwards at 2.4 m/s2. (c) What is the acceleration of the apple with respect to Tom, after he drops the apple while accelerating? (d) What is the

    asked by Bubble
  138. Geography

    Physical features of Bhutan

    asked by Anonymous
  139. maths

    point A(4,6) and point B(7,9) are connected by straight line .what is the length of the line?(Pythagoras)

    asked by maryam
  140. maths

    how many 2/3L bottles can i completely fill from a 40L tank of water?

    asked by maryam
  141. Physics

    A 5.0 kg block is placed on top of a 10. kg block ( . A horizontal force of 45 N is applied to the 10. kg block and the 5.0 kg block is tied to the wall. The coefficient of friction between the moving

    asked by physics kid
  142. SS

    Which statement best evaluates the results of Greeces membership in the European Union A. Greeces overall economy has improved because of increased trade. B. Greeces overall economy has improved because the euro is a strong Currency. C. Greeces overall

    asked by HELP QUICK
  143. Grammar

    What is the verb in this sentence? the peacock seemed more bea utiful than before.

    asked by Deb
  144. Geography

    What are all the boundaries of India that share with another? Is it Burma, Bhutan, Sind, and Khanpur? Or are there more

    asked by Anonymous
  145. Math

    What is the least common denominator of the four fractions listed below 20 7/10 20 3/4 18 9/10 20 18/25

    asked by Candace
  146. Math

    what is 4 5/8 and 3 3/4 added then subtracted by 11 1/8

    asked by Candace
  147. math\

    Michael invested a certain amount of money at 3% interest and $750 more than that amount at 5%. His total yearly interest was $157.50. How much did he invest at each rate?

    asked by winsome
  148. History

    5.)what was the main benefit of the factory system? A.)it cut cost's and made workers more efficient *** B.)it gave people their first chance too support themselves C.)it reduced pollution caused by family-based power sources D.)it increased the value of

    asked by #FreeGucci
  149. Chmistry

    Write a balanced chemical equation for the combustion of acetylene if the products are: a) Carbon and water vapour b) Carbon monoxide and water vapour c) Carbon, carbon dioxide. Carbon monoxide and water vapour d) The complete combustion of acetylene

    asked by Sophia
  150. College Algebra

    Suppose k(w)=2^w. (a) Find a formula for y=k(w)+7

    asked by Samantha E
  151. Chemistry

    The network parameter of molybdenum 0.314 Valley nm and its density to 20° C 10.22 Valley g/cm3. Determine the crystalline structure of the molybdenum

    asked by Elizabeth
  152. 1st math

    How far does the minute hand move in an hour?

    asked by Sara
  153. Algebra

    Multiply and simplify the following radical expressions. (5√2 − √5)(5√2 − 5√5)

    asked by diane
  154. Chemistry

    How does the solubility of Mg(OH)2 in a buffered solution compare to the solubility of Mg(OH)2 in pure water?

    asked by Salma
  155. Chemistry

    Calculate the solubility (in grams per 1.00×10^2 mL of solution) of magnesium hydroxide in pure water.

    asked by Salma
  156. Math

    Mr. Santiago bought 10 crates of oranges. There were 50 oranges in each crate. He sold 65% of them. 8% of the remainder went bad, and he threw them away. a) How many money did Mr. Santiago earn if he sold the oranges 5 for $1.20? b) If he made $24.15 by

    asked by Cailey
  157. C++

    Homework is over pointers 1. (3 points) True or false? If (x == y) then (&x == &y). T F Explain your choice: I think its true but I don't really understand why If (x == y) then (*x == *y). T F Explain your choice: False but not sure why

    asked by Digtzy
  158. Chemistry

    A gas is bubbled through water at a temperature of 30°C and at an atmospheric pressure of 100.2 kPa. What is the pressure of the dry gas?

    asked by jinal
  159. C++

    (4 points) Identify the errors in the following statements. int* p = &44; - i think the star is the error because pointers are supposed to be like *p?? char c = 'w'; char p = &c; - if its char wouldnt that also be in apostrophe? So char c= 'w' and char p =

    asked by Digtzy
  160. English

    1. He will be back in a few days. 2. He will be back after a few days. 3. He will be back within a few days. ----------------------- Are they all grammatical? What is the difference between #1 and #2?

    asked by rfvv
  161. world civilization I

    How did the foundation of Persian civilization differ from the foundations of other ancient societies

    asked by Anonymous
  162. science

    Which of the following is not an example of potential energy? Chemical energy gravitational energy mechanical energy*** nuclear energy

    asked by Sid.V
  163. Gps

    Arrange in order of increasing atomic size use appropriate < > -= symbol to separate substances in the list 1. The period 2 elements Be,B and N The group 4A elements Sn,Si, and Pb

    asked by Sherri
  164. Chemistry

    What is the complete ionic equation for the following reaction? Aqueous iron(III) sulfate is added to aqueous sodium sulfide to produce solid iron(III) sulfide and aqueous sodium sulfate.

    asked by Sarah
  165. Math

    Without looking, George pulls socks from a drawer containing 2 white socks, 3 black socks, and 5 yellow socks. With each pull, a sock is removed from the drawer and is not replaced. Find the probability of drawing a yellow, black, and white sock in that

    asked by Zion
  166. Nsu

    Referring only to periodic table give the ionic charge expected for each of these elements (type your answers using the format 1+ and 2 -

    asked by Sherri
  167. Chemistry

    If 12.01 g of Mg metal and 6.56 g of O2 gas are reacted, 1) How many moles of MgO can be produced from the given mass of Mg? 2) How many moles of MgO can be produced from the given mass of O2? 3) From the above calculations, determine which of the

    asked by Ben
  168. Social studies

    7.which of the following best decribes the overall affect of the renaissence on european attitudes toward art and learning? A. catholic leaders embraced humanism B.artists began to paint in a more stylized manner. C.classical humanism and realistic

    asked by LOVE
  169. Science

    Referring only to the periodic table give the ionic charge expected of these representatives elements type your answers format 1+ 2 - Te Be Ba P Li Ga C At

    asked by Sherri
  170. Physics

    A 0.11-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 5.4 m, what is the maximum weight it can lift?

    asked by Scott
  171. Math

    A circle has a radius of 10 cm. A chord is 6 cm from the center. What is the length, in centimeters, of the chord?

    asked by Nandhika Sivakumar
  172. Physics

    A local ice hockey team has asked you to design an apparatus for measuring the speed of the hockey puck after a slap shot. Your design is a 2.00-m-long, uniform rod pivoted about one end so that it is free to rotate horizontally on the ice without

    asked by Frankie
  173. Chemistry

    C + HNO3 = CO2 + NO2 + H2O oxidation, reduction and balancing

    asked by KORINA
  174. specialized patient record

    You are the director of health information services in a major medical center that maintains both a psychiatric unit and a substance abuse unit in addition to general medical and surgical units. Your facility plans to join a computer network with fifteen

    asked by Anonymous
  175. physics

    A 3.25-kg object is attached to a vertical rod by two strings as shown in the figure below. The object rotates in a horizontal circle at constant speed 6.60 m/s. (a) Find the tension in the upper string. N (b) Find the tension in the lower string. N

    asked by jojo
  176. Chemistry

    Calculate how many grams of MgO that can be produced from 4.58 of Mg metal and 0.99 of O2 gas. Recall the balanced reaction is: 2 Mg (s) + O2 (g) 2 MgO (s) And the answers to part one were: Moles of MgO from 4.58 g Mg = 0.1884 Moles of MgO from 0.99 g O2 =

    asked by Ben
  177. chemistry

    Make the conversion 8.5 x10^2 cal to Calorie 4.5x10^-1kj to calories

    asked by lulu
  178. statistics

    in 2012 it accepted that 41% or less preferred diesel engine needs a high school statistics student studying a randomly selected group of 51 male found that 23 of them prefer diesel-powered vehicle is that student correct and claiming them that males more

    asked by kait
  179. Chemistry

    Calculate the theoretical amount of .5M NaOH that it would take to neutralize approx. 2.0 g KHP. KHP is a monoprotic acid, the molar mass of KHP is 204.22 g/mol and the molar mass of NaOH is 40.00 g/mol. Answer in terms of mL. I converted g KHP to mols,

    asked by Brad
  180. Calc 2

    The figure shows a semicircle with radius 1, horizontal diameter PQ, and tangent lines at P and Q. At what height above the diameter should the horizontal line be placed so as to minimize the shaded area? I would post the figure but the website is not

    asked by gabby
  181. Social studies

    9.advances in science from the scientific revolution were applied to human affairs during the A.industrial revolution B.french revolution C.enlightment (MY ANSWER) D.age of exploration 10.which event led most directly to a decline in the political power of

    asked by LOVE
  182. Chemistry PLS HELP!!!

    A student collects oxygen gas by water displacement at a temperature of 17 Celsius. A barometer reads 92.3 kPa. What is the pressure of the water vapor? Look it up on a water vapor pressure chart. What is the pressure of the oxygen gas? (Answer: ~14.0 mmHg

    asked by Ana
  183. Chemistry

    A sample of calcario and other components of the soil was intensely warm. Under these conditions, the calcario undergoes decomposition in calcium oxide and carbon dioxide. CaCO3 (s)-> CaO (s) + CO2 (g) The analysis of 71, 42 g of a sample of limestone

    asked by William
  184. 4th grade math

    long jump measurements. Allison jumped 3/8 foot shorter than the farthest jump. How far, in feet, did Allison jump? how to calculate long jump measurements

    asked by Anthony
  185. math

    the slop of the line that goes through (-3, -6) and (-3,-6)is._____ you may find it it helpful to graph the points first

    asked by awesome
  186. Math

    Jose got 80 percent of his questions correctly in his test which is 32 answers correct. how many questions were they in total? PLEASE HELP!!! THIS IS FOR A TEST

    asked by Jenniferlove
  187. Collage Physic

    A uniform rod hangs vertically on a frictionless horizontal axle passing through its center. The rod is 35cm long and 85g. A 15g ball of clay travelling horizontally at 2.5cm/!@#$%^&s and sticks to the bottom of the rod. What is the maximum angle the rod

    asked by Andy
  188. question about uploading pictures

    How can i post pictures to here? i need help with an extra credit logic puzzle

    asked by TayB
  189. Nsu

    Referring only to periodic table give the ionic charge expected for each of these elements (type your answers using the format 1+ and 2 -

    asked by Sherri
  190. Chemistry

    I've run into some difficulty with my chemistry homework. We went over this practise question in class today as an example. However, I wasn't able to fully grasp how to work it out. "How many grams of nitrogen form when 34.6 grams of nitrogen dioxide

    asked by Kara
  191. English grammar

    Fill in the blanks with appropriate form of verb (past tense) The jewellery _____(be give)to her by her husband, who _____ died some years before. Since his death, she did not have the heart to wear it, yet she did not want to sell it. Now it seemed that

    asked by Shreya
  192. Science

    What is the main function of the lymphatic circulation is to A. transport hormones around the body B. provide immune function for protection C. provide a backup for systematic circulation D. transport nutrients and oxygen to cells I think B

    asked by AMGCSTRNBSN
  193. Math please explain!!

    A student got 80 percent problems correctly which is 32 problems correct. how many problems are they in total? I got 40 in a page but it did not explain can you PLEASE EXPLAIN!!!!

    asked by Jenniferlove
  194. Alam

    a car accelerates from rest at a constant rate x for some time after which it decelaretes at a constant rate y to come to rest .if the total time elapsed is t the total distance travlled by the car is given by what ?

    asked by Aminur
  195. English (not homework)

    I've been wondering, why is "how are you?" correct and commonly used instead of "how is you?" Since "is" is singular and "are" is plural and "you" is referring to an individual. An explanation will be appreciated. Thank you, tutors, for sparing your time

    asked by anoon
  196. Math

    find the equation of a parabola that has a vertex of (-2,-3) and contains the point (4,1).

    asked by Isaiah
  197. Astronomy

    You see a galaxy which lies at distance D from the earth. You measure a flux from this galaxy of f. If you assume a mass-to-light ratio of r (i.e. r is the number of kilograms needed to generate one watt of radiation), derive an equation for the stellar

    asked by Anonymous
  198. Science

    15. Which of the following factors is the most likely explanation for an energy deficit that results in exercise-induced exhaustion. A.Insufficient protein production B.Insufficient mitochondrial function. C.Impair urea elimination. D.Absence of oxygen

    asked by AMGCSTRNBSN
  199. math

    If I had a rectangular prism with a volume of 64 cubic cm, what might the L, W and H be?

    asked by victoria
  200. Chemistry

    We have an aqueous solution that contains 22% (by mass) of a hypothetical solute Z. The formula weight of the solute Z is 215 g/mol. The density of the solution is observed to be 1.1 g/mL. What is the molarity of Z in this solution?

    asked by El
  201. mothergooze

    Fourteen subtracted from the product of 3 and a number equals 28

    asked by Anonymous
  202. Chemistry- Dr.Bob222

    Which if the folowin species is not amphoteric? a) H2SO4 b) H2PO4- c) HPO4 2- d) HSO4- e) H2O

    asked by Nevaeh
  203. maths

    Please answer fully I am beginner for this if a , b ,c are in AP x , y , z are in GP . Prove that (x^b/x^c)× (y^c/y^a)× (z^a/z^b)=1

    asked by Venk
  204. math

    In a lottery game, a player picks 7 numbers from 1 to 45. How many different choices does the player have if order doesn't matter?

    asked by Anonymous
  205. Math-7th grade

    A scale drawing is a parallelogram with a base of 8 inches, a height of 3 inches, and a side length of 4 inches. What is the perimeter and area? Perimeter 3x4x8 = 96 inches Area 8x3 = 24 inches Can this be correct? Sounds too easy. If it is correct, what

    asked by Mimi
  206. math

    Multiply fractions and whole numbers 3. Math class starts at 9:50 A.M. and ends at 10:45 A.M. How long is the class??? Please help me on this question I'm stuck on homework!

    asked by maraya
  207. Math

    If a square is 8.4 feet on each side. How many square feet is it

    asked by Joe