Questions Asked on
September 20, 2017

  1. Math

    The 3rd and 7th terms of an A.P are -1 and 11 respectively. Fine the nth term and the numbers of which must be added to get a sum of 430

    asked by Eric
  2. Pre Calculus

    Find all $2 \times 2$ matrices $\bold{A}$ that have the property that for any $2 \times 2$ matrix $\bold{B}$, \[\bold{A} \bold{B} = \bold{B} \bold{A}.\]

    asked by Bob
  3. Algebra

    A small jet can fly 1008 miles in 4 hours with a tailwind but only 832 miles in 4 hours into a headwind. Find the speed of the jet in still air.

    asked by Anonymous
  4. ela

    1. In “Raymond’s Run,” which detail supports the prediction that Squeaky will not let Gretchen win the race? (1 point) I put * marks by ones I thought Squeaky is insulted when Mr. Pearson suggests she give someone else “a break” this year.

    asked by jake pauler
  5. Tech

    The best definition of an idiom is ___________________.

    asked by lun
  6. College Algebra

    The Jones family took a 24-mile canoe ride down a river in two hours. After lunch the return trip back up the river took four hours. Find the rate of the canoe in still water.

    asked by keonn'a
  7. Social Studies

    Which of the following statements best summarizes the information provided on the chart? (1 point) The Articles of Confederation gave too much power to the individual state governments. Most of the Articles of Confederation’s weaknesses related to the

    asked by Anonymous
  8. College Algebra

    Sarah left on the interstate at a speed of 60 mph. Her sister followed her on the same route, leaving 2 hours later at a rate of 65 mph. How long will it take for Sarah's siter to catch up with Sarah?

    asked by Anonymous
  9. Math 5th grade

    Find a two mixed numbers such that when you estimate their sum by rounding to the nearest whole number you get a different estimate than when you round to the nearest half. Not sure about rounding to the nearest half???

    asked by Ms. H
  10. P.e help

    To achieve self actualization you must fulfill A the goals you set B the hierarchy of needs C the goals others set D the needs of others

    asked by Maya
  11. Social studies help quick

    Why do United States citizens have civic responsibilities? A in a republic the president can order any citizen to help. B in a democracy every citizen must earn their rights C in a democracy the country is run by all citizens working together. D in a

    asked by JILL
  12. Maths

    How to write 17m 80cm using decimals

    asked by Suresh
  13. English 2

    In the poem "In Trying Times," the speaker says that "in trying times, nothing is so useful in checking hatred or lies." What is the intended meaning of “checking” in the poem? marking ensuring stopping inspecting

    asked by Mckenzie
  14. Spanish help please

    1. what is the plural form of libro? a. libros b. libroes c. libroces d. libriones 2. what is the plural form of la television? a. la televisions b. los televisiones c. las televisiones d. el televisions

    asked by gisselle
  15. Math

    Write an addition story for two 3-digit numbers

    asked by Zykia
  16. Math

    A shipping company charged $15 to ship a package and 5% to insure the package. What was the total cost to ship this particular item? A. $22.50 B. $25.20 C. $15.75 D. $90.00

    asked by B.L.
  17. Physics

    A 0.60-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 9.0 N for a distance of 2.0 m. How much farther would the force have to act for the block to have 72 J of kinetic energy?

    asked by Juan
  18. Trig

    when sitting atop a tree and looking down at his pal Joey, the angle of depression of Mack's line of sight is 53degrees 51inch. If joey is known to be standing 25 feet away from the base of the tree, how tall is the tree (to the nearest foot.) Who ever

    asked by Evan
  19. math

    sally and hans started counting at the same time. sally counted on by tens from 300. hans counted back by hundreds. after six counts they had reached the same number. what number did hans start counting from?

    asked by mike
  20. Math

    Keeping track of skiers and snowboarders who bought season passes. The ratio of number of skiers who bought season passes to the number of snowboard ers who bought season passes is 1:2 if 1,250 more snowboarders bought season passes than skiers how many

    asked by Victoria
  21. Algebra

    160 kg of an alloy of copper and aluminium contains 55 percent of aluminium. How much aluminium must be melted into it to make the alloy contain 70 percent of alluminium

    asked by Vijaya
  22. Math-3 Questions

    Hi. Check my answers? Thanks? Also, if I got any wrong, explain to me why because inequalities confuse me sometimes 1. Julia is allowed to watch no more then 5 hours of tv a week. She has already watched 1.5 hours. Write and solve an inequality to show how

    asked by Hei Hei
  23. Math

    Below are the points that Jessie scored in each game during the basketball season. 12 15 14 12 4 8 Which of the following values would increase his mean? A. 13 B. 10 C. 8 D. 12 E.17 F.11 I can select up to 4 of these.

    asked by Spartan
  24. Pre Calculus

    Let $\bold{w} = \begin{pmatrix} 2 \\ -1 \end{pmatrix}$. There exists a $2 \times 2$ matrix $\bold{P}$ such that \[\text{proj}_{\bold{w}} \bold{v} = \bold{P} \bold{v}\] for all 2-dimensional vectors $\bold{v}$. Find $\bold{P}$.

    asked by Bob
  25. Physical Science

    Hello! Thanks for checking my question out! ____ 2. Milk is an example of a (1 point) a) solution. b) homogenous mixture. c) colloid. d) compound. My Answer: C Could someone please check if I'm right? Thanks! - Da Fash

    asked by Da Fash
  26. Art Help: A Secondary Input Please

    Why should creativity be needed in designing products like this car? A) Creativity ensures that products stay consistent over time. B) Creativity only allows the designer to create new paint and color designs. C) Creativity is only used for advertising the

    asked by Bonnie
  27. Social studies

    Of the following choices, which reflect basic principles of the Constitution? Select all that apply. Popular sovereignty***** Monarchy Federalism ***** Individual rights ***** Leadership Am I correct?

    asked by ConmectionsAcademyHelp
  28. Pre Calculus

    For a vector $\bold{v}$, let $\bold{r}$ be the reflection of $\bold{v}$ over the line \[\bold{x} = t \begin{pmatrix} 2 \\ -1 \end{pmatrix}.\] [asy] unitsize(1 cm); pair O, V, R; O = (0,0); V = (3,1); R = reflect(O,(2,-1))*(V); xaxis(-2,4); yaxis(-3,1);

    asked by Bob
  29. History

    Which of the following lists the start of the agricultural revolution according to absolute chronology? A. AD 500 B. after hunting and gathering C. post-Spanish exploration D. 5000 BC****

    asked by Annonymous
  30. Math

    Shelley compared the number of oak trees to the number of maple trees as part of a study about hardwood trees in a woodlot he counted nine maple trees to every 5 oak trees later in the year there was a bug problem many trees died new trees are planted to

    asked by Anonymous
  31. Social Studies Please help

    1. What do colonialism and imperialism both require? a) one country giving money to another b) two countries sharing c) two countries working together d) one country ruling another country**** 2.What did West Africans trade to North Africans in exchange

    asked by Abigail
  32. math

    Today,aditi is as old as barkha will be 9 yr from now.5 yrs ago,aditi was 1.5 times as old as barkha was at that time.what will be the sum of ages of aditi and barkha 4 yr hence?

    asked by xyz
  33. math

    "Relative frequency" is the same as which of the following? frequency histogram cumulative frequency distribution proportion I think its proportion, am I right?

    asked by Mariam
  34. Math

    Nine wonderful students decided to buy their math teacher an expensive present, each contributing the same amount of money. Four other students found out about the plan and joined in, agreeing to pay their share of the present's cost. This resulted in a

    asked by Matthew
  35. Maths

    a number is300 when rounded off to nearest hundred. what is the greatest possible value of the number

    asked by Anonymous
  36. ss plz help

    In the story of the Shining Princess where did the princess Maholia live? In a kraal with her mother the queen in a thatched hut with her father the chief in a poor village in the countryside In a beautiful tower, made of marble. I think its D can you say

    asked by carry on
  37. Algebra

    Swapnil has rs590 in currency notes with denominations of rs 50,rs20,rs10. The ratio of the number of rs.50 notes and rs.20 notes is 3 :5. If he has total of 25 notes how many notes of each denomination does he have

    asked by Vijaya
  38. Social Studies

    Antifederalists and Federalists debated about the language in the U.S. Constitution. Which if the following were major viewpoints. Of the Antifederalists? Select all that apply. They believed that a strong, central government was crucial to the success of

    asked by ConnectionsAcademyHelp
  39. Physical Science

    Hello! Thanks for checking my question out! ____ 4. Water is a compound because it (1 point) a) can be broken down into simpler substances. b) always has two hydrogen atoms for each oxygen atom. c) is made of water atoms joined together. d) both the first

    asked by Da Fash
  40. Math

    55÷11+7x(2+14)

    asked by Jen
  41. Math

    How fp you Order the numbers from least to greatest 0.4, 5%8, 38%? Please show the steps.

    asked by Nicole
  42. Algebra

    A small jet can fly 795 miles in 3 hours with a tailwind but only 645 miles in 3 hours into a headwind. Find the speed of the jet in still air.

    asked by Anonymous
  43. English

    1. She seems to be nice. 2. She seems nice. 3. She seems to be a nice person. 4. She seems a nice person. 5. The parcel seems to be a gift for out children. 6. The parcel seems a gift for out children. 7. What seems to be the trouble? 8. What seems the

    asked by rfvv
  44. Algebra

    160 kg of alloy contains 55 percent aluminium. How much alluminium should be added to make it 70 percent

    asked by Vijaya
  45. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ Image URL: h t t p : / / p r n t s c r . c o m / g n n u 6 5 Use the image to answer the question. 2. Under which of the following categories does the artwork fall? (1 point) a) abstract painting b) portrait

    asked by Da Fash
  46. Journal entries accounting

    journalize the following entries: 1, Received partial payment of $211 from J. Kronsnoble for work billed on June 7. 3. Paid for supplies purchased on June 4. my answers: 1. cash 211 accounts recvieable 211 3. supplies 258 accounts payable 258

    asked by mark
  47. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ Image URL: h t t p s : / / p r n t . s c / g n n q p 6 Use the image to answer the question. 4. Under which of the following categories does the artwork fall? (1 point) a) abstract painting b) portrait c)

    asked by Da Fash
  48. Mathematics

    The height in metres of the water in a harbour is given approximately by the formula d=6+3cos30t, where t is the time in hours from. Find a) The height if the water at 9:45pm b) The highest and the lowest water level and occur

    asked by David
  49. Physical Chemistry

    What is the mole fraction of alanine in 0.314m CH3CH(NH2)COOH(aq)?

    asked by Anonymous
  50. Plzz help me :)

    In the story of the Shining Princess where did the princess Maholia live? In a kraal with her mother the queen in a thatched hut with her father the chief in a poor village in the countryside In a beautiful tower, made of marble. I think c

    asked by Larry Chicken
  51. math

    yash invest 1200 in scheme A ,which offers a compd interest at rate of 20% for 2 yrs.he invested a certain sum in scheme B which offers simple interest at rate of 15 % for a period of 3 year. interest received from scheme A Is 42rs more than that received

    asked by arun
  52. English

    Is this sentence complex compound or simple? The question is, when water evaporates from the sea it becomes fresh water

    asked by Amanda
  53. CHEMISTRY

    SUppose that not all of the NaCl dissolved in the water in step 7, EXPLAIN this error would affect your reported percent of: NH4Cl NaCl SiO2

    asked by Anonymous
  54. Algebra

    The measure of one of the small angles of a right triangle is 26 more than 3 times the measure of the other small angle. Find the measure of both angles.

    asked by Anonymous
  55. algebra

    PB is a line segment on a number line. It has endpoints at -2 and 12 what is the coordinate of its midpoint?

    asked by trish
  56. Math

    Sam is at the driving range practicing his swing. During Sam’s golf drive, the initial angular velocity of his club is 5 rad/s at the start of the backswing. The constant, average angular acceleration of the club between the start of the backswing and

    asked by Mark
  57. Math

    If you can mow 2/3 of the lawn in 3/4 hour, how much lawn can you mow in 1 hr?

    asked by Lisa
  58. English

    1. I walked to school, feeling embarrassed. 2. I walked to school, and I felt embarrassed. 3. I walked to school, and I was feeling embarrassed. 4. I walked to school, while I felt embarrassed. 5. I walked to school, while I was feeling embarrassed.

    asked by rfvv
  59. english

    I need a sentence with a pronoun-adjective, noun, helping verb, conjunction, helping verb, main verb, preposition, pronoun-adjective and noun in that order. Please help. Thanks in advance.

    asked by pat
  60. Time Velocity and Distance graphs

    Good morning, Quick question I have a question on simple motion. Ive been given a table of values from which I constructed Velocity v Time graph which is roughly the shape of a trapezium. From this I worked out the total distance covered. Now I want to

    asked by Anon
  61. Psychology

    Would this be an example of top-down processing? I am at home, and I have left a room where a family member is sitting. I come back to this room awhile later and start having a conversation because I expect the family member to still be there because I did

    asked by Alice
  62. Algebra

    (I jut this in word form so someone would understand better but can someone please try helping me solve this. I only need help with this 1 problem.) Evaluate this pricewise function at x=-4 and x=4. f(x)={x^2, if x less than or equal to -4 {x^3, if -4 less

    asked by Petter
  63. statistics

    If we wish to have a 90% confidence interval, what would be the value of α/2? Show how you arrived at this answer.

    asked by sharon
  64. English

    Can someone explain to me what does pre released title essay test mean,i dont get it and in my assessment shows that i have pre released title essay test.Please someone tell me what is it.Thanks

    asked by sam
  65. Algebra 2

    Evaluate this pricewise function at x=-4 and x=4. f(x)={x^2, if x less than or equal to -4 {x^3, if -4 less than x less than or equal to1 {square root x, if x greater than 1 (I wanted to use symbols but I didn't have the greater than or less than equal to

    asked by Petter
  66. CHEMISTRY LAB 2

    A mixture contains 33.5% A, 22.8% B, the remainder being component C. if you have 25.0 g of this mixture, how many grams of each component are there?

    asked by Anonymous
  67. Pre Calculus

    Find the 2 x 2 matrix A such that pmatrix{(-1,-1)(1 -1)} A = I, where I is the 2 x 2 identity matrix.

    asked by Bob
  68. Math

    Sam is at the driving range practicing his swing. During Sam’s golf drive, the initial angular velocity of his club is 5 rad/s at the start of the backswing. The constant, average angular acceleration of the club between the start of the backswing and

    asked by Mark
  69. Chemistry

    9.3mL of ammonia base cleaner requires 12mL of 1M HCL to reach end point. A) what is molarity of ammonia and b) what is percentage of ammonia

    asked by John
  70. Reading books

    How many books a 5th grader should read in a week to excel reading level?

    asked by Lauren
  71. English

    What is the difference between 'post' and 'upload'? 1. He posted a message to the bulletin board. 2. He posted some photos to the bulletin board. 3. He uploaded a message to the bulletin board. 4. He uploaded some photos to the bulletin board. 5. He posted

    asked by rfvv
  72. math

    what is an alegbraic expression for the followin word phrase: "6 times the difference of b and p"?

    asked by emma
  73. PreCalculus

    Let f(x) = x^2 +3x - 1 and g(x) = x^3 +4x^2 +1. Find (f-g)(x) a. (f-g)(x)=-x^3 - 3x^2 +3x b. (f-g)(x)=x^3 - 3x^2 +3x - 2 c. (f-g)(x)=--x^3 - 3x^2 +3x - 2 d. (f-g)(x)=-x^3 - 7x^2 +3x - 2

    asked by Amy
  74. Calculus

    I really don't get this question :( What is 2+2? a. 3 b. 7 c. 4 d. -4 I really need help!!!

    asked by Ryan
  75. math

    A painter uses 5 cans of white paint and 3 cans of blue paint. What does the ratio of 3:8 mean?

    asked by Uniqua
  76. Psych

    Is this an example of top-down processing? I heard a noise that sounded like a door opening and assumed my parent was home. I made this assumption based on the fact that it was the time of day that they would usually come home and that they sent me a text

    asked by Alice
  77. Algebra

    Divide 105 such that 1/3 of one part is equal to 1/4 of other part

    asked by Vijaya
  78. Chemistry

    A mixture contains 33.5% A, 22.8% B, the remainder being component C. if you have 25.0 g of this mixture, how many grams of each component are there?

    asked by cheesy123
  79. Math

    4 foot sandwich between two people one ate 2/9 of it and the otherone ate 1/6 of it. So at this point they ate so far ? How much is left?

    asked by Annomimus
  80. math

    24 girls worked for 3 days and complete in 1/5 of it.20 boys work for next 10 days and complete 2/5 of it.if after 13 days from start of work,24 girls and 20 boys work together,how many days will they take to complete the remaining work?

    asked by arun
  81. Physics

    force 15i -16j N is added to another 23i N. In what direct measured from the positive x-axis does the resultant act?

    asked by Kiki
  82. English

    1. I called him, but he did not hear me. 2. And a month ago, I needed him and I called him. ------------------------------------------ Does 'I called him' mean 'I made a telephone call to him' or not? Or does it mean the following? "to utter in a loud

    asked by rfvv
  83. Physical science

    In a recipe for lemonade it gives the ingredients as 1 cup of water,1.5 tablespoons lemon juice, plus sugar and salt.Not taking into account the sugar and salt, what is the concentration of lemon juice in the mixture as a percentage by volume? 16

    asked by Papaya
  84. physics

    a pendulum swing with a speed of 1.5 m/s at its lowest point. How high will it rise before it stops

    asked by shakira
  85. Physics

    Two cars with different motors are competing. One of the cars accelerate från 0-90 km/h on 12 seconds, the other one accelerate from 0-90 km/h on 20 seconds. The acceleration is the same all the time. After 90km/h, the velocity is constant. How many

    asked by A
  86. English

    1. It seems that John is sick. 2. John seems (to be) sick. -------------------- Both are the same. However, do they have any difference in meaning[hidden meaning]?

    asked by rfvv
  87. Science

    What original colors are a plant cell????? I looked it up and it said different colors for each part like the cell wall, and the other parts

    asked by Young Lil G
  88. Social studies unit 3 lesson 6 8th grade practice

    Plz help me anyone know the answers to the 15 questions?

    asked by Help please
  89. math

    2.6*1.5

    asked by meee
  90. English

    van Gogh 1.[væn-ɡóu,-ɡɔ́:x] 2.[-ɡɔ́x,-ɡɔ́f] Which one is similar to the sound of Gogh in the Netherland, where Gogh was born?

    asked by rfvv
  91. Math

    (9+2)x6-5

    asked by May
  92. Math

    96÷16+(25x2)-15-3

    asked by April
  93. Math

    22÷2x9

    asked by Mitch
  94. math

    A bag has 40 marbles. There are 25 red marbles. The other marbles are black. What is the ratio of black marbles to red marbles in the lowest form?

    asked by Uniqua