Questions Asked on
November 10, 2016

  1. Chem1020

    Sulfuric acid can dissolve aluminum metal according to the following reaction. 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 23.7 g . Sulfuric acid can dissolve aluminum metal according to the

    asked by Liselle
  2. Chemistry

    Write mathematical equations that show how you will calculate the detected activity from the count rate due to background radiation and the sample of KCl and how you will determine the “true” activity of your sample from the detected activity. Use the

    asked by Annie
  3. college maths

    A property worth $15,000.00 is purchased for 10% down and semi-annual payments of $1750.00 for twelve years. What is the effective rate of interest if interest is compounded semi-annually?

    asked by mannat
  4. Government

    What constitutes Congress using their impeachment power on a President of the United States (for example, treason, lying under oath, committing a felony, committing a misdemeanor, or something else?)

    asked by A.Lee
  5. Algebra2

    Wind farms are a source of renewable energy found around the world. The power P (in kilowatts) generated by a wind turbine varies directly as the cube of the wind speed v (in meters per second). If a turbine generates 500kW in a 10m/s wind, how much power

    asked by Steve
  6. math

    Start with the integer 4. Subtract 8. From your answer subtract -2, and then subtract 17 from the last answer. What is your final answer?

    asked by Clara
  7. English

    1. As there was no bus service, I had to walk home. 2. There being no bus service, I had to walk home. (Are both the same and grammatical?) 3. As there was no seat on/in the bus, I had to stand all the way. 4. There being no seat on/in the bus, I had to

    asked by rfvv
  8. math

    Start with the integer 4. Subtract 8. From your answer subtract -2, and the subtract 17 from the last answer. What is your final answer?

    asked by Clara
  9. yashoda

    how to calculate the heat of combustion at 300 kelvin , when the standard enthalpies are given of benzoic acid, carbon dioxide and water at constant pressure and volume

    asked by hrutika
  10. Math

    The stockholders’ equity at the beginning of the period was $200,000; at the end of the period, assets were $255,000 and liabilities were $40,000. If the owner made no additional investments or paid no dividends during the period, did the business incur

    asked by J
  11. Physics

    A 2.5m long string vibrates as a 100 Hz standing wave with nodes at 1m and 1.5m from one end of the string and no points in between the two.Which harmonic is this?work out

    asked by Anonymous
  12. Physica

    2. When traveling down the road at a constant speed of 55 mph, 26.4 m/s, the tangential velocity of the wheels is also 55 mph. If a car tire is 65.0 cm in diameter, then; a. What is the period and frequency of the spinning car tire? b. What is the

    asked by Cris
  13. Physics

    2. When traveling down the road at a constant speed of 55 mph, 26.4 m/s, the tangential velocity of the wheels is also 55 mph. If a car tire is 65.0 cm in diameter, then; a. What is the period and frequency of the spinning car tire? b. What is the

    asked by Cris
  14. Physical science

    A 100.0g sample of water at 20.0C is heated to steam at 125.0c.how many heat was absorbed?

    asked by William J Yelorbah
  15. math

    Loyola heights has 3000 phones of which 3/5 are dial phones. If 2/3 of these dial phones are replaced by digital phones and 400 additional phones are installed, what fraction of the phones are digital now?

    asked by iselle
  16. maths

    what is the radius and height of container that will contain 42 barrels of oil?

    asked by Ifeanyi
  17. math

    What is the smallest 4 digit odd number that can be formed with the digits 4,7,3 and 5

    asked by angela cloe
  18. Maths

    If one-fourth of the sum of a number and seven is four less than three times the number, find the number.

    asked by Achal
  19. English

    1. School is a place where people learn things. 2. School is a place where people learn many subjects. 3. School is a place where students learn many things. 4. School is a place where students study subjects. 5. School is a place where people can learn

    asked by rfvv
  20. maths sir steve help~reiny

    sin(πcosx)-cos(πsinx)=0 then find sin2x step plz

    asked by Anonymous
  21. Chemistry

    what would the concentration of the solution of a sulfuric acid be titration of a 25.0 ml sample of acid required 20.00 ml of a 0.20 naoh standardized solution for it to become neutralized

    asked by Jay
  22. Riddle

    PLEASE HELP I DONT KNOW THE ANSWER! Riddle: You wake up in a room with only one door and no windows. On the ground is two specially made peices of string, a candle and a piece of paper. The string are at different lengths but both take exactly 60 minutes

    asked by Max
  23. English

    Posted by rfvv on Friday, October 21, 2016 at 9:54pm. ======================================= Does #1 mean #2 and #3? •English - Writeacher, Friday, October 21, 2016 at 10:36pm 2 and 3 are identical, aren't they? 1. It's usually very windy and foggy. 2.

    asked by rfvv
  24. English

    1. My family used to live in London, didn't they? 2. My family used to live in London, didn't he? 3. My family used to live in London, didn't she? 4. My family used to live in London, didn't it? --------------------------------- Which tag question is

    asked by rfvv
  25. quantitative methods

    If for a Poisson variate x,P(x=0)=P(x=1) = k, prove that k=1/e. Lesson name Poisson distribution

    asked by deepak
  26. Math grade 6, 4 operations

    The sum of mr. brown's age& his sin's age is 38 yrs old this yr.4 yrs ago,mr. Brown was 5 times as old as his son. A. How old is his son this year? B. How old is mr. Brown this year?

    asked by Peachie
  27. Math grade 6, 4 operations

    Deepak is 10 years old, and his brother is 7 years old. In how many years time will their total age be 41. Sandy,priscilla&florence shared 540 sweets.sandy took 90 sweets.florence took 3 times as many as the total number of sweets sandy&priscilla took.how

    asked by Peachie
  28. math

    sum of ₹ 8400 is made up of 50,20,10 and 5 rupees notes. the number of 10 rupee notes is five times the number of 5 rupee notes, four times the number of 20 rupee notes and ten times the number of 50 rupee notes. what is the number of notes in each

    asked by ratio
  29. Chemistry

    Based on chemical structures, explain why acetophenone is only separated at the end by distillation. The mixture was acetophenone and ethyl trimethylacetate

    asked by Lyndsay
  30. matha

    The value of a machine depreciates every year by 5% if the present value of the machine be rupees 100000 what will be its value after 1year . ... Then the answer 9500000

    asked by pranay
  31. English

    Identify the subject, verb, Object Formal writing shows writers' critical thinking. Verb- critical thinking Subject-writers Object-writers'

    asked by Sue
  32. Writing

    Can you help me find the subject and verb, and the prepositional and phrases? 1. We went with the pastor to the church hall. 2. The puppy ran after the little girl. 3.Jacob threw the baseball across home plate. 4.Mom found the book under the paper. 5.The

    asked by Blub
  33. Algebra

    One number is 1/2 of another number. The sum of the two numbers is 18. Find the two numbers. Use a comma to separate your answers.

    asked by Dylan
  34. Math

    The ratio of the side length is 2:3:4. The shortest side is 15 inches. What is the perimeter? Explain.

    asked by Anonymous
  35. Math

    Ann has seven ballons. Molly has a set of ballons less than seven .how many ballons does molly have?

    asked by Jina
  36. physics

    a car travels at 25m/s on a slick road takes 4 second to come to a complete stop. what was the car's average acceleration over 4 second?

    asked by lala
  37. p.e

    you want to ask you teacher for extra help , so you practice in you mind what you will say . this is an example of a. eustress**** b. distress c. a stressor d. a mental rehearsal

    asked by help please
  38. health 7th

    1. during the alarm stage of you stress body release a chemical called adrenaline which is part of a. eustress b. the flight-or-fight- response*** c. mental rehearsal d. a catastrophe 2.nay event or situation that causes stress is called a(n) a. eustress

    asked by help please
  39. Science

    Which is the molarity of a solution containing 20 g of CH3 OH in 300 mL of solution

    asked by Victor
  40. math

    Two buses start from same bus stand at 8 a.m. One travel 40km/h and other travel at 50km/h. The second bus reaches the next stop at 10 a.m. How much later will the first bus arrive

    asked by kirti
  41. math ( i need help asap ) pls

    1. gavin needs to read at least 150 pages of his book this week . he has already read 82 pages . how many more pages p must gavin read this week ? a. 82+p >_ 150; p _> 68 b. p+ 82 _< 150; p _< 68** C. P-72 _> 150; P_> 222 D. P-82 _< 150; P _< 222 2. SOLVE

    asked by help please
  42. Math algebra

    The sum of the measures of the angles of a triangle is 180° Find the three angles of a triangle if one angle is 20° greater than the smallest angle and the third angle is twice the smallest angle.

    asked by Marina
  43. Science

    Unit 3 Test Multiple Choice Please select the correct response for the following questions. 1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point)

    asked by Becky
  44. educational technology

    4. After creating a column heading and/or typing text within a column, what must you do to move text to the next column? a.) Add a column break. •• b.) Select the next column and start typing. c.) Highlight the next column. d.) Change the page

    asked by Jonie
  45. Social Studies

    Why did Washington and his troops cross the Delaware River in small boats on Christmas night, 1776? A. The weather was good and the troops hoped to find a sheltered place to rest. B. Washington was leading them to a surprise attack on the British at

    asked by Aralyn
  46. Math grade 6, four operations

    The sum of mr. brown's age& his sin's age is 38 yrs old this yr.4 yrs ago,mr. Brown was 5 times as old as his son. A. How old is his son this year? B. How old is mr. Brown this year?

    asked by Peachie
  47. chemistry

    Which is more ionic LiF or NaF and why

    asked by dukes
  48. Chemistry

    CH4 + 2O2 --> CO2 + 2H2O a. How many grams of methane are needed to produce 1.5 X 10^-2 grams of carbon dioxide? b. How many grams of oxygen are needed to react to form the 1.5 X 10^-2 grams moles of carbon dioxide?

    asked by John
  49. Chemistry

    CH4 + 2O2 --> CO2 + 2H2O a. How many grams of methane are needed to produce 1.5 X 10^-2 grams of carbon dioxide? b. How many grams of oxygen are needed to react to form the 1.5 X 10^-2 grams moles of carbon dioxide?

    asked by John
  50. Chemistry

    CH4 + 2O2 --> CO2 + 2H2O a. How many grams of methane are needed to produce 1.5 X 10^-2 grams of carbon dioxide? b. How many grams of oxygen are needed to react to form the 1.5 X 10^-2 grams moles of carbon dioxide?

    asked by John
  51. Matb

    Farmer brown can't rember how many animals he has. He knows he the animals have 8 heads and 22 legs all together. How many pigs dose he have

    asked by Michael fry
  52. chemistry

    What is the shape and bond angle of PH3? Explain

    asked by dukes
  53. algebra

    1. Describe a situation that models a linear pattern and then describe a situation that models a nonlinear pattern. Do not state which situation is linear and which is nonlinear. Your classmates will need to determine which is which and then write a

    asked by ssuban
  54. math

    3a - 4 (

    asked by help please
  55. statistics

    a person drove on a highway first 5km at a speed of 60km/h ,the second 5km at a speed of 85km/h , third 5km at a speed of 92km/h and last 5km of his journey,the speed was 8okm/h.Use suitable average to find average speed of the journey of 20km.

    asked by Ana
  56. statistics

    A crane is designed in such a way that it can lift a maximum load of 2750kg.Is the crane overload if the container is filled with 50 bags of cement 40kg each and 5 machine of average 100kg?

    asked by Ana
  57. science

    Pluto has a shape that is nearly round, and it orbits the Sun. It has five known moons. Why is it called a dwarf planet and not a planet?

    asked by renee
  58. Math

    Identify the correct steps to graph the line y = 3x + 1. Question 3 options: Plot the point (0, 1) on the y axis. Then, plot the point (3, 0) and connect the two points. Plot the point (1, 0) on the x axis. Then, plot the point (0, 3) and connect the two

    asked by Embershy
  59. statistics

    the arithematic mean of two numbers is 15 and geometric meanis 12.Find the two numbers and find harmonic mean of these numbers.

    asked by Ana
  60. CHEM 120

    What mass of ammonium nitrate must be added to 350 mL OF 0.150 M solution of ammonia to give a buffer having pH of 9.00? (Kb(NH3)= 1.8X10-5

    asked by Mxolisi
  61. Math

    4. Find the measure of each interior angle of a regular polygon with 12 sides. 1800 degrees 150 degrees 180 degrees 145 degrees

    asked by Embershy
  62. Math algebra

    To find the average of a set of test scores we divide the sum of the test scores by the number of test scores. On her first four algebra tests,Paula wests scored 88,92,97,and 96. Write an equation that can be used to determine the grade paula needs to

    asked by Serena
  63. physics

    A loop of surface area s1=10cm^2 placed ina uniform magnetic field Bof magnitude B1=8×10^-2T, has its plane perpendicular to the field lines . A second loop of area s2=15cm^2 is placed in another uniform field B2 of magnitude B2=0.1T such that its normal

    asked by angy
  64. Cost Accounting

    Please explain: You are preparing a short presentation for a group who wants learn performance reporting issues. One question that was raised during the discussion is about measuring variances when the actual output (or activity) does not match with the

    asked by Patte
  65. physics 1

    Q4= The unit of mass in S.I. unit is? a. kilogram b. gram c. tonne d. quintal e. newton

    asked by hi bro it's me ( ^_^) himel@,Damon ,Steve,Henry. ,Ms.Sue & all respect sir
  66. English

    1. You can enjoy delicious food in London. 2. In London, you can enjoy delicious food. (Are both the same? In #1, what does 'in London' modify?) 3. You can visit many traditional houses in Chicago. 4. In Chicago, you can visit many traditional houses.

    asked by rfvv
  67. English

    1. She was fortunate in that she had friends to help her. 2. She was fortunate for the reason that she had friends to help her. 3. She was fortunate because she had friends to help her. ------------------------------ Are they all the same in meaning? What

    asked by rfvv
  68. English

    1. The boy was happy in that he has a lot of pencils. 2. He was sad in that his father passed away. 3. He was nervous in that he had to take the test. ---------------------------- I have made some sentences containing 'in that.' Are these sentences

    asked by rfvv
  69. Calculus

    If the volume of a cube is increasing at 24 in^3/min and each edge is increasing at 2 in./min, what is the length of each side of the cube? Is this 2 in?

    asked by Anonymous
  70. Math ?

    I have a dilemma; my English professor doesn’t give us our grades so I currently don’t know what percent I am at in the class. I really need to know since I need to know if I’ll be passing or not. He doesn’t grade anything with percent’s, and

    asked by Mark
  71. Physics

    A simple Atwood’s machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 8.2 m/s at the end of 2.2 s. At that time, the kinetic energy of the system is 30 J and each mass has moved a distance of 9.02

    asked by Jenny
  72. Chem 104

    From M1V1=M2V2 the volume of the KHP solution the molarity of the titrant and the volume of the titrant, find the molarity of the KHP solution . The KOH solution is the titrant since it is used to titrate the KHP solution. KHP mass-204.2 Mass per liter in

    asked by Hannah Marie
  73. Finite math

    A bank account pays interest at 12% compounded monthly, and has a monthly fee of $10, deducted at the end of each month. If $13,000 is deposited on January 1, 2013, how much is in the account on January 1, 2016? I have done some question related to

    asked by Frank
  74. math

    each letter represents a different number find the value of p,o and f that will make this puzzle true. pop+of=opp

    asked by laura
  75. Finite math

    Consider the following annuity scheme: regular payments of $200 are made every two months at the end of the month (in other words, there are six equally spaced payments over the year) into an account with a nominal rate of 6% compounded monthly. Note, this

    asked by Johnny
  76. multiple choice

    A magnetic flux through a circuit increases linearly with time, then the absolute value of the induced e.m.f A) increases because the flux is increasing B) decreases because according to Lenz's law it opposes the original increase of the flux C) stays the

    asked by angy
  77. math pls help!!!

    I am a 4th grader and i need help with these problems. 1. -6f X (7-+4)9>4t

    asked by babes
  78. Language Arts

    many actors travel around the country to promote _________ latest movies A.Her B.Theirs*** C.Their D.His

    asked by Sid.V
  79. math help

    Hi and good afternoon to everyone who is reading this i need help with my math if any of you guys know i site where i can learn fractions better that would be great PS. plz dont be coolmath

    asked by Plz help
  80. Math

    An open box is to be made from a square piece of material by cutting four-centimeter squares from each corner and turning up the sides (see figure). The volume of the finished box is to be 144 cubic centimeters. Find the size of the original piece of

    asked by Sue
  81. Social Studies

    Throughout the 1900s, many countries in Africa and Asia gained independence from European colonial powers. India is one of these countries, having gained their independence from Britain in 1947. Why did people in India want independence? In what ways was

    asked by Valerie
  82. Math

    Which number is a perfect cube A.3 B.15 C.65 D.567

    asked by Jasmin
  83. Physics

    query=a stone of mass 30grams is placed in a measuring cylinder containing some water. the reading of the water level increases from 50cm cubic to 60cm cubic. what is the density of the stone?

    asked by Matthew
  84. Science

    Why are the water molecule bonds at an angle and not straight like the CO2?

    asked by Alice Keign
  85. physics

    A ball is thrown vertically upwards from ground level hits the ground after 4secs, calculate the maximum hieght it reached during its journey.

    asked by chelsey
  86. math

    3a - 4 (

    asked by math help pls
  87. Chem 104

    Molarity of KHP ___ moles/L with a KOH titrant

    asked by Hannah Marie
  88. Social Studies

    2. What is a positive affect of competition? A. Increased value for consumers B. Increased wages for workers C. Increased profits for producers D. Increased incentives for investors Is it A or C

    asked by FluttershyK
  89. physics multiple choice MCQ 1- i need help please @all respective sir & bro

    which of the following variable controls the physical properties of a perfect gas? a. pressure b. temperature c. volume d. all of the above e. atomic mass

    asked by hi bro it's me ( ^_^) himel@,Damon ,Steve,Henry. ,Ms.Sue .bobpursley& all respect sir
  90. physics multiple choice MCQ 2- i need help please @all respective sir & bro

    which of the following laws is applicable for the behavior of a perfect gas? a. Boyle's law b. Charles' low c. Gay-Lussac law d. all of the above e. joule's law

    asked by hi bro it's me ( ^_^) himel@,Damon ,Steve,Henry. ,Ms.Sue .bobpursley& all respect sir
  91. physics multiple choice MCQ 3- i need help please @all respective sir & bro

    q3= The unit of temperature in S.I units is? a. Centigrade b. Celsius c. Fahrenheit d. kelvin e. Rankin

    asked by hi bro it's me ( ^_^) himel@,Damon ,Steve,Henry. ,Ms.Sue .bobpursley& all respect sir
  92. physics multiple choice MCQ 5- i need help please @all respective sir & bro

    The unit of time in S.I. units is? a. second b. minute c. hour d. day e. year

    asked by hi bro it's me ( ^_^) himel@,Damon ,Steve,Henry. ,Ms.Sue . bobpursley& all respect sir
  93. physics multiple choice MCQ 7- i need help please @all respective sir & bro

    the unit of energy in S.I units is? a. watt b. joule c. joule/s d. joule/m e. joule m

    asked by hi bro it's me ( ^_^) himel@,Damon ,Steve,Henry. ,Ms.Sue .bobpursley& all respect sir
  94. Inequality quiz help CHECK ANSWERS

    1. Gavin needs to read at least 150 pages of his book this week. He has already read 82 pages. How many more pages A. 82 + p >= 150; p >= 68 B. p + 82 = 222 D. p - 82 60 B. x > -60*** MY ANSWER C. x < -60 D. x < -4 3. Solve the inequality. Explain each

    asked by Math sucks :(
  95. Physics

    you pull your 6kg dog on a sled which has a mass of 15kg. while you are pulling at 33N, there is a 12N frictional force that is encountered. what is the acceleration of your sled and dog?

    asked by Molly
  96. Louisiana History

    I really need help I don't understand this. What type of economy was supported by bartering among Native Americans? a market economy b traditional economy c mercantile economy d command economy 2. Which of the following conditions made most of Louisiana an

    asked by Keek
  97. Math

    Tom leaves the outskirts of City A at 8 am and travels north to City B at a constant speed of 80 km/h. Cindy leaves from the same place at 8:30 am and takes the same route traveling at a constant speed of 100 km/h. At what time will Cindy overtake Tom

    asked by Carl
  98. Chemistry

    For the following redox reaction, give the complete reduction half reaction. Na(s) + Al+3(aq) Na+1(aq) + Al(s) Please help asap!!

    asked by Rae
  99. math

    3a - 4 (

    asked by help !!! HELP ! PLSSSSSSSSSSSSS
  100. Algebra

    In 8 months, 55.6 gallons were used. Find the unit rate. Is the answer 6.95

    asked by Hal
  101. Math

    A regular analog clock that doesn’t have AM or PM on it loses 7 minutes per day. It is set to the correct time. How many full days will it before it has the correct time again

    asked by Astha
  102. science

    Explain which is more ionic NaF or LiF

    asked by Anonymous
  103. Math

    A box contains some red balls and some blue balls. There are four more blue balls than red balls. A ball is removed at random, replaced and a second ball randomly removed. The probability that the two balls are different colours is 21/50. How many balls of

    asked by Courtney
  104. Algebra

    The sides of a square are increased by a scale factor of 6. The perimeter of the smaller square is 10 ft. What is the perimeter of the larger square? Is 60 Ft Correct?

    asked by Hal
  105. Algebra

    A map of Utah has a scale of 1 cm:30 mi. The border of Utah and Wyoming measures about 3.7 cm. How long is the actual border of Utah and Wyoming? Round the answer to the nearest 10 miles. I think it's 110 mi. Am I right?

    asked by Hal
  106. Math

    A box contains some white balls and some blue balls. There are 5 more blue balls than white balls. One ball is removed at random and not replaced. A second ball is then removed at random. The probability that the balls are different colours is 52/105. Find

    asked by Courtney
  107. Algebra

    Solve the proportion. Where necessary, round to the nearest hundredth. 12/3 = x/13 Is 156 right?

    asked by Yeppy
  108. math

    12, −9, 6, −3, .. whats the arithmetic function?

    asked by lola
  109. Physics

    An snowboard manufacturer wants to make the smoothest boards ever, she believes that can be achieved by reducing friction as much as possible. Describe 3 things that could be change on a board so that friction between it and the ice gets smaller.

    asked by Abner
  110. Science

    In a tennis match the player hits the ball to serve the ball travels 24m from the servers raquet to the opponents Raquet at an average speed of 40 meters per second.calculate the time taken

    asked by Alex
  111. PLEASE CHECK MATH TY!

    1. Which of these numbers can be classified as both real and rational? A. 1/2 *** B. -1.016879413894 C. √5 D. 0.89089908999 2.Which is both a real number and an integer? A. √7 B. 0.15 C. -15 *** D. 1/3 3. What is an example of an irrational number? A.

    asked by Doge
  112. math

    james sold 450 tickets for the community play. Tickets for children cost $2, and tickets for adults cost $5. James sold $1,800 worth of tickets. How many tickets for adults did James sell?

    asked by nadia
  113. Science

    How are a mold and a cast related?

    asked by SCIENCE HELP
  114. Spanish Homework Literature Questions

    I need help making sure my answers make sense for the questions from La Dama del Alba. I have presented the questions and my answers in both Spanish and English. Questions 1-5 1. ¿Qué hacen los Sanjuaneros afuera de la casa? What do the Sanjuaneros do

    asked by Jaylnn
  115. Math

    The square root of twice a number is equal to one-half of that number. Find the number.

    asked by Jim
  116. Science

    A small rock with a mass of 6g is dropped into a graduated cylinder with 20ml of water. The water rises to 23ml. What is the density of the rock?

    asked by CW
  117. Physics science

    A 10 ohm, 20 ohm lamp and 12v battery are connected in a parallel. A current of 1.8 A passes through the battery and a current of 1.2 A passes through the motor. 1) Determine the current through the lamp. 2) Calculate the potential difference across the

    asked by Tina
  118. la

    la - Connexus CHEAT! - Ms. Sue, Wednesday, November 9, 2016 at 1:59pm You just grievously insulted me! Why on earth do you think I would give you the answers?? Teachers, note: This "student" posted from South Bend. guys how and why would she look where i

    asked by My real name karimya brown
  119. math

    How do I order the numbers 0.66,7/8,and 1/4 least to greatest????

    asked by jdogg
  120. Chemistry

    Hydrocarbons with octane number 78% and 73%, by comparing their burning abilities, which one can burn smoothly? And why?

    asked by Atakpa Science College
  121. Math

    The diagonal of a rhombus are of lengths 8cm and 4cm. Find the length of its side and area of it.

    asked by Done
  122. Math

    The square root of twice a number is equal to one-third of that number. Find the number.

    asked by Jim
  123. math

    ⦁ Three boxes weighing 128 pounds each and one box weighing 254 pounds were loaded onto the back of an empty truck. A crate of apples was then loaded onto the same truck. If the total weight loaded onto the truck was 2,000 pounds, how much did the crate

    asked by cassandra
  124. English

    1. He didn't used to smoke. 2. He didn't use to smoke. ---------------------------- Q1: #2 seem to be used. How do you pronounce 'use to'? Do you pronounce 'used to' and 'use to' in the same way. Q2: Does the sentence mean that he didn't smoke before, but

    asked by rfvv
  125. History

    8.What concept held the feudal relationship together? A. Fear B. Loyalty C. Economic debt? 10. Windmills were introduced to western europe in the twelfth century and were brought over from  11. A. china  B. egypt  C. constantinople  D. iran 

    asked by Shala
  126. pre-calculus

    create a p(x) with the following conditions: A) Vertical asymptotes at x=5 and x=-2 B) A double root x=-3 C) A horizontal asymptote at y=3

    asked by Cy'Anne
  127. math

    six boxes of twinkies are in tent.Seven people want to equally share them. what faction of a box of twinkies will each person get?

    asked by aa
  128. science

    does to skeletal system send signals to yuor brain

    asked by krystina
  129. Math, Precalc

    A fishing boat leaves port at 4 miles per hour at a bearing of 80∘ for 3 hours, then turns to a bearing of 0∘ at 3 miles per hour for 4 hours, and finally changes to a bearing of 200∘ at 6 miles per hour for 5 hours. At this point, the boat heads

    asked by Allison
  130. Physics

    Searches related to a motor lifts an elevator of mass m at constant speed. The power output of the motor is P and there are no frictional losses so that all the power output from the motor goes into lifting the elevator mass. What is the correct expression

    asked by Bobby
  131. Math

    Triangle ABC is an acute triangle. If all angles are measured to the hundredths,what is the smallest angle measurement?

    asked by Anonymous
  132. Physics

    A motor lifts an elevator of mass m at constant speed. The power output of the motor is P and there are no frictional losses so that all the power output from the motor goes into lifting the elevator mass. What is the correct expression for the time

    asked by Bobby
  133. Math

    At the same time a 5 foot person cast a 2 foot shadow, a nearby flagpole cast a 10 foot shadow. How tall is the flagpole?

    asked by Anthony
  134. Georgia State History

    I have to write an essay about MLK Jr. and I need to have a speech he made in Georgia. Can someone please help me and give me any suggestion of speeches made by MLK Jr. in Georgia.

    asked by Sam
  135. english

    How does the author create such a heartwarming feeling in this story? A) by revealing the thoughts and actions of Josh B) by revealing the thoughts and actions of Coach Wilkins C) by revealing the thoughts and actions of Principal Edwards D) by revealing

    asked by Terry
  136. chem

    whats the noble has configuration for chromium? is it [Ar] 4s^2 3d^4

    asked by tom
  137. Physics

    A mass m = 1 kg initially at rest at height h = 2m slides to the bottom of a 45 ramp. there is no friction between the mass and the ramp. At the bottom of the ramp the speed of the mass is 4 m/s. How much heat was generated by the friction as the mass

    asked by Bobby
  138. value

    WHAT IS THE USE OF SPYMOMANOMETER

    asked by value
  139. Math

    Cube root of 45 is between what two consecutive integers? Cube root of 258 is between what two consecutive integers?

    asked by Vickie
  140. college maths

    on an annual renewal lease, the quarterly lease payment on office space is $1600 payable in advance. what equivalent yearly payment made in advance would satisfy the lease if the interest is 6.5% compounded quaterly?

    asked by mannat
  141. Physics

    An object consists of 5 masses, each of mass m, connected by massless rods. The two short rods have length L and the two long rods have length 2L. What is the moment of inertia about an axis perpendicular to the diagram (out of the page) and through the

    asked by Samantha
  142. chem

    The noble has configuration for Ta is [Xe] 6s2 4f14 5d3 does the order in which i arrange the principle energy levels matter when i write the configuration? Like should it be [Xe] 5d3 6s2 4f14

    asked by tom
  143. Social Studies

    1. At what point during the Revolution and Napoleonic period (between 1789 and 1815) do you think France became a nation? 2. What was the main event of the Revolution or Napoleonic period that you think made the people of France feel like they were a

    asked by Anosha
  144. math

    He lays the long edge of the paper along the long edge of the frame several times and finds the frame is 4 papers long. How long is this in inches

    asked by tanesha
  145. Physics

    A pair of objects with masses 3m and m are connected by a hook and have a massless compressed spring between them. Initially the objects are at rest. Then the hook unlatches, the spring expands to its released length and the larger mass is then found

    asked by Jordan
  146. Math

    Input 10 output 55

    asked by Cade
  147. Problem solving

    Place a counter over the children. Draw the counter. Dont not what im suppose to do though.

    asked by Sally
  148. math

    a recipe calls for 2 3/4 cups of milk and i want to make it 1 1/2 times smaller. How much milk do I need?

    asked by Anonymous
  149. Physics

    an astronaut throws a ball with mass m to the right with speed v. It strikes the wall of the space station and rebounds, moving left with a speed V/2. What was te magnitude of the impulse of the ball caused by the collision? Any help would be greatly

    asked by Brandon
  150. Science

    Question 1- how does a multicellular organism develop? A- the cells differentiate. B- The cells shrink. C- One cell grows bigger. D- The cells replicate to form exact copies.

    asked by PLS HELP QUICK DONT HAVE TIME
  151. Physics

    In DESPERATE NEED OF HELP!!! An object of mass m = 10 kg and speed v = 2 m/s collides head on with a second object of mass m = 5 kg which has a speed v = 1 m/s. The objects stick together. There are no external forces on the two objects (note the given

    asked by Carl
  152. Physics

    An astronaut throws a ball with mass m to the right with speed v. It strikes the wall of the space station and rebounds, moving left with a speed V/2. What was the magnitude of the impulse of the ball caused by the collision?

    asked by Courtney
  153. Physics

    a pendulum of length (L) = 1m swings through an angle 20 deg. What is the length (d) of the path traveled by the pendulum mass?

    asked by PLEASE HELP
  154. Chemistry (molarity)

    What would the effect on your molarity of NaOH be if you had added 35 mL of water to dissolve the KHP (acid) instead of 25 mL? Explain. My answer so far is that adding more water shouldn't affect the molarity at all because water does not account for the

    asked by Ray
  155. Math

    The ratio of Orange socks to green socks in Terry`s drawer was 4 to 5.which of the following combinations could not be the actual numbers of Orange to green socks in Terry`s drawer?

    asked by Nikol
  156. Math

    The solution of d+s>−3 is d>−7. What is the value of s?

    asked by Madeline
  157. Math

    An airplane traveled 300 km northeast in 2 hours. Find the velocity of the plane.

    asked by talynn Wells
  158. Math

    The possible values of xx are given by x+8≤6. The greatest possible value of 7x is|___|.

    asked by Madeline
  159. Physics

    A bar of length 2L can rotate about a frictionless axle at its center. The bar is initially at rest and is then acted on by the three forces shown. What is the magnitude of the net torque on the bar?

    asked by Amanda
  160. Physics

    Consider two fly wheels labeled A and B both of which are spinning with the same angular velocity. Each flywheel consists of two small heavy spheres connected by very light rods to a light axis. Flywheel A has spheres of mass 2m, each a distance R from the

    asked by Tyler
  161. Physics

    Use the Law of conservation of energy to predict the final speed of a bowling ball dropped from the top of a 25.0 m tall building just before hitting the ground. ignore air resistance.

    asked by lexi
  162. Pyhsics

    Find the x and y components of the following 35 Ms at 57q from the x-axis

    asked by Anonymous
  163. Math

    Justine has 162 red buttons, 98 blue buttons, and 284 buttons. She says she knows she has more than 500 buttons without adding. How can we explain that without adding?

    asked by Kylie
  164. Physics

    The orbital period of the moon about the earth is approximately 27.3 days. given that the average earth-moon distance is 384,000 kilometers, predict the moon's speed using the expression for centripetal force and the gravitational force, setting them equal

    asked by max
  165. Physics

    A motor takes 5 s to go from 30 rad/s to 130 rad/s at constant angular acceleration. The total angle through which its shaft turns during this time is... A. 400 rad B. 320 rad C. 640 rad D. 800 rad E. 1600 rad F. None of the above

    asked by Tanner
  166. Physics

    A typical candy bar contains 300 kilo-calories of energy. if all the energy released by eating the candy bar could be used to do work in lifting a 1000 kg car, how high could it be lifted?

    asked by Thomas
  167. social studies

    What was the long-term effect of the Magna Carta?

    asked by summer
  168. Science-Cells

    What are the main parts of a plant cell? Cell membrane , Nucleus , Vacuole, Mitochondrion? Did I miss anything ? thanks.

    asked by I need Help Now
  169. Math

    Suppose v varies directly as a g,and v=36 when g=4 find v when g=11

    asked by Anonymous
  170. Science-Cells

    I'm doing a lab report, and we are looking at an onion cell under a microscope. The teacher asks to explain why we put iodine on the sell. (ANSWER)= Cleaning it ?

    asked by I need Help Now
  171. social studies

    What was the long-term effect of the Magna Carta? a. A weakening of power of feudal lords. B. The surrender of French territory to English rule. C. The rise of strong trading cities . D. The development of more democratic government? WHAT'S THE ANSWER

    asked by summer
  172. Maths

    Write. The following in standard. Form 6120

    asked by Monique
  173. Math

    How do you do cos Question cos 56 + 16 to the power of 2

    asked by HELP PLEEEZ I HAVE A TES TOMMOROW
  174. Math

    Explain why you would make one of the addends a tens number when solving an addition problem

    asked by John risner
  175. Geometry

    Samantha is buying carpet for her family​ room, which is 8 yards by 13 yards. The carpeting is sold in square meters. How many square meters of carpeting will she​ need? ​ (Use 1 yd ≈ 0.9144​m.) I am pretty sure 8 and 13 need to be squared and

    asked by Dan
  176. Math

    Define the unit in word form 19*15 = 19(?)

    asked by Guri
  177. math

    Altitudes $\overline{XD}$ and $\overline{YE}$ of acute triangle $\triangle XYZ$ intersect at point $H$. If the altitudes intersect at a $123^\circ$ angle, and $\angle YXH = 26^\circ$, then what is $\angle HZX$ in degrees?

    asked by InfaRed
  178. 8the grade math

    use a grid and lengths of line segments to give a geometric argument

    asked by Anonymous
  179. math

    Triangle $ABC$ is a right triangle with right angle at $A$. Suppose $\overline{AX}$ is an altitude of the triangle, $\overline{AY}$ is an angle bisector of the triangle, and $\overline{AZ}$ is a median of the triangle, and $\angle XAY = 13^\circ$. If $X$

    asked by InfaRed
  180. Chemistry

    Explain how a ligand can be both sigma donating and pi donating and give an example of a ligand that does both. Is this ligand a Lewis acid or a Lewis base? Thank you!

    asked by Saki
  181. Math

    Plz help me find the cost $20 plus $1.50 per hour to rent a golf cart

    asked by Farrha
  182. math

    In triangle $ABC$, $BC = 20 \sqrt{3}$ and $\angle C = 30^\circ$. Let the perpendicular bisector of $BC$ intersect $BC$ and $AC$ at $D$ and $E$, respectively. Find the length of $DE$.

    asked by InfaRed
  183. Math

    I don't understand stand this 20y+1.50x=?????

    asked by Lee
  184. Math

    Simplify (Log75+log9+log5)÷(log5+log45)

    asked by Eric
  185. Math

    Which two square roots are used to estimate √5? √1 and √2 √2 and √4 √4 and √9

    asked by Randall
  186. Math

    It costs $20 plus $1.50 per hour to rent a golf cart. Find an equation showing the relationship between the cost of renting a cart (y) and the number of hours it was rented (x)???? Plz I really don't understand this

    asked by Farrha
  187. Math

    Find the sum of each series by using appropriate formulas. Show your work. MY WORK: (N is the last number in the sequence) 1+2+3+...+230 n(n+1)/(1*2) 4+8+12+...+360 n(n+4)/)4*2) 1+3+5+...+123 ((n+1)/2))^2 The problem: 53+59+65+...+233 n(n+6)/(6*2)

    asked by David
  188. 8th Grade Social Studies Unit test

    What is all the answers? please help 1. What significant affect did the Treaty of pairs, signed after the french and Indian War, have on France? a.France had to Withdraw to its empire in central and South America. b.France had to allow the British to claim

    asked by mo
  189. American Government

    Which statement best explains the oversight function of congressional committees? It protects the president from overreach by the Senate and the House. It is one of the checks the legislative branch holds over the executive branch.

    asked by Mr. Smiley
  190. English

    1. Tell me what you won. 2. Tell me what you won in the competition. 3. Tell me what you won in the race. 4. Tell me what you won in the English speech contest. ================== Are they all grammatical? Is 'what' an interrogative pronoun? Or is 'what' a

    asked by rfvv
  191. Nats

    If oxygen, nitrogen and ozone did nor absorb UV radiation, what would you expect the temperature profile in the atmosphere to look like between the surface and top of the atmosphere? any help is appreciated thank you

    asked by qquwe
  192. Math

    The school band is comprised of middle school students to the number of high school students was 1:8. However, this year the ratio of middle school students to high school students changed to 2:7. If there is 18 middle school students in the band , how

    asked by Breanne
  193. matha

    The value of a machine depreciates every year by 5% if the present value of the machine be rupees 100000 what will be its value after 1year . ... Then the answer 9500000

    asked by pranay
  194. Chemistry

    What is the molarity of the final solution of 2.00mL of the 5.00M stock solution is diluted to 10.00mL to make solution A. Solution A undergoes a second dilution by taking 3.00mL solution A and diluting it to 25mL? I'm so confused by this. Please help.

    asked by jamie
  195. math

    2 1/8 divided by 3 1/4= a.68/104 b.221/32 c.17/26 d.6 29/32

    asked by Jessie
  196. English

    1. Tell me where she lives. 2. He asked me how she should do. 3. He showed them how to open the bottle. 4. Do you know why he was late? 5. I don't remember when she arrived. 6. I wonder how he open the door. 7. I doubt why he didn't come here.

    asked by rfvv
  197. Math

    Next number in this sequence: -2, 0, 7, 22, 48?

    asked by Alexander
  198. Statistics

    A card is drawn from a deck of 52 and recorded. Then the card is replaced and the deck is shiffeled. this process is repeated five times. What is the probability that all five times the car drawn is an ace

    asked by Gabu
  199. Math

    A bag of wood chips weighs 12.4 lbs. how much does a bag containing 0.42 times as many wood chips weghs?

    asked by G
  200. Chemistry (molarity)

    How would I find the moles of NaOH solution that was used to titrate? I have 20.01mL of HCl used and 15.95mL of NaOH solution was used to titrate.

    asked by Ray
  201. Pre-Calculus

    14cos+7=O

    asked by jay
  202. Calculus

    I don't understand how to get q for this problem? The next steps for the problem, you just need to plug q in, but I'm not sure what to do? Do you set revenues equal to expenses? Problem: Revenue is given by R(q) = 750q and cost is given by C(q) = 6000 +

    asked by Mona