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  2. 2016
  3. January

Questions Asked on
January 18, 2016

  1. Physics

    A rocket moves upward, starting from rest with an acceleration of 34.4 m/s2 for 4.40 s. It runs out of fuel at the end of the 4.40 s but does not stop. How high does it rise above the ground?

    asked by Cheyenne

  2. MATH

    A women is taking a lesson in a circular swimming pool. she starts at one edge of the pool and swims for 12 meters in a straight line till hits the edge of the pool. she turns and swims another 5 meters and again hits the edge of the pool. she realizes

    asked by Adham

  3. Physics

    Three positive point charges are located at the corners of a rectangle. Find the electric field at the fourth corner if q1 = 5 nC, q2 = 6 nC, and q3 = 7 nC. The distances are d1 = 0.6 m and d2 = 0.2 m. (Let the positive x-direction be to the right, and the

    asked by Eric

  4. Physics

    Determine the magnitude of the force between an electric dipole with a dipole moment of 2 ✕ 10-29 C m and an electron. The electron is positioned r = 25nm from the centre of the dipole, along the dipole axis. Hint: Assume that r >> d, with d the charge

    asked by Shane

  5. Math-Calculus

    a spring has a natural length of 20meters. a) find the work required to stretch the spring from 20m to 30m b) from 30m to 40m c) how is the work from part a and part b related?

    asked by zaxoanl

  7. Technology

    Rounding can be useful in daily life by _______. A. Making edges smoother B. Allowing you to add numbers in your head•• quickly. C. Allowing objects to appear round D. Making numbers round Correct me if I'm wrong!!

    asked by Estephania

  8. Physics

    A piece of cobalt has a mass of 41 g and is initially electrically neutral. It is then charged with q = +0.6 µC. (a) How many electrons were removed from the piece of cobalt in the charging process (in electron) (b) What fraction of the total number of

    asked by Shane

  9. Physics

    We study three point charges at the corners of a triangle. Their charges are q1 = +4.0 10-9 C, q2 = −2.5 ✕ 10−9 C, and q3 = +5.0 10-9 C. Two distances of separation are also given, ℓ12 = 6 m and ℓ13 = 9 m. Find the net electric force on q3 1-

    asked by Michel

  10. Physics

    A CsCl (cesium chloride) salt crystal is built from the unit cells shown in the figure below. Cl− ions form the corners of a cube and a Cs+ ion is at the centre of the cube. The edge length of the cube, which is called the lattice constant, is 0.4 nm.

    asked by Michel

  11. chemistry

    the length of an aluminium bar of length 80cm increases by 1mm on heating.what is the final temperature of the bar if it was initially at temp 20 degree celsius? coeff. of linear expansion of aluminium=25

    asked by Anonymous

  12. chemistry

    if 8.99g of scandium and 8.99g of oxgen react to give scandium oxide and a leftover 3.56g.what percentage of scandium oxide is the oxygen

    asked by Anonymous

  13. Physics

    A bullet is fired horizontally with a velocity of 40m/m from the top of a building 50m height.How far from the foot of the building will the bullet be assumed to touch the ground?

    asked by Gbenga

  14. Chemistry

    a metal y forms two oxidf u and v.0.75g of u and v contain 0.18g and 0.27g of oxygen respectively.calculate the masses of metals in grams.calculate the masses of metals of metals that combine with gram of oxgen in each case

    asked by Anonymous

  15. Trigonomentry help plz!!!

    Sin3A=3sinA-4sin(x/2)^3 find x interms of A? PLZ show working got no ideal at all

    asked by Emmanuel

  16. Word problem algebra

    Steve the builder was plastering a wall while standing on a ladder..he noticed that the number of rungs/steps below,the rung he was standing on was 1/3 of the numbers of rungs above where he was standing. Then he climed another 10 rungs/steps and he also

    asked by Emmanuel

  18. Math

    Lenlen cut a rectangular block of cheese into cubes with an edge of 3cm each. The base area of the block is 36 cm squared. If the block is 6 cm high, how many cubes of cheese did Lenlen get in all? That is my math hw It needs an equation solution and

    asked by Lol im a 10 y.o. Girl

  19. Maths

    I'm really getting stuck, I've spent a day trying to figure this out, but don't understand. Please could someone help me. Eph = hcT/b I need to rearrange to make b the subject and show and express each term as base SI units

    asked by Amanda

  20. math

    Undersantding Quadrilateral. the two adjacent angles of a quadrilateral are 58¡ã and 122¡ã. The other two adjacent angales are equal what is measure of each of these equal angles

    asked by Anonymous

  21. Math

    Aaron is thinking of a number. It is the sum of 10 and the least digit number and also the product of 20 and the least counting number. What is the number?

    asked by Girlie

  22. math

    how many 8 cu.cm sugar cubes can sandy put in a 4cm by 8cm by 8cm box?

    asked by tante

  23. math

    lenlen cut a rectangular block of cheese into cubes with an edge of 3cm. each. the base area of the block is 36 square cm. if the block is 6 cm. high, how many cubes of cheese did lenlen get it all?

    asked by tante

  24. math

    how many balls with a diameter of 6 cm. each can a square box hold if the box has a measure of 36 square cm. on each side?

    asked by tante

  25. pyshics

    8. The coefficient of static friction between a 150-kg box of medical equipment and the floor is 0.35. Would 450-N force applied horizontally be enough to cause the box to move from rest?

    asked by george

  26. physics

    8. The coefficient of static friction between a 150-kg box of medical equipment and the floor is 0.35. Would 450-N force applied horizontally be enough to cause the box to move from rest?

    asked by george

  27. math

    how many cubes with an edge of 2 cm can form a rectangular prism that measures 6 cm by 4 cm by 4 cm?

    asked by tante

  29. maths

    The fifth term of an arithmetic sequence is 23 and the 12th term is 72. And they say first question 1.determine the first three terms of the sequences and the nth term. 2.what is the value of the 10th term. 3. Which term has a value of 268.

    asked by keabtswe

  30. maths

    The fifth term of an arithmetic sequence is 23 and 12th term is 72. And they say 1. Determine the first three terms of the sequences and the nth term. 2. What is the value of the 10th term. 3. Which term has a value of 268.

    asked by keabtswe

  31. math

    a playground has sides 17 m, 19 m and 18m. is 60 m of fencing enough to fence the 3 sides?

    asked by Anonymous

  32. math

    a playground has sides 17 m, 19 m and 18m. is 60 m of fencing enough to fence the 3 sides?

    asked by question

  33. math

    Please help me with these bodmas sums 8-3×(17-8) 32÷[5-(4-7)] 12-[6-(3+8)×2] 3+7×(2-4)

    asked by Godiraona

  34. physics momentum

    a trolley of mass 200kg is travelling north at 2m\s. It collides head on with a second trolley of mass 500kg which is travelling south with a velocity of 5 m\s and they remain coupled together. a)calculate the velocity of the two trolleys after collision.

    asked by anna

  35. Science

    The speed of light in a plastic material is 1.4 x 10^8. What is the index of refraction of the material?

    asked by Jerome

  36. Spanish

    magínate que eres agente de viajes. Contesta las preguntas de tus clientes afirmativamente con el mandato formal. Si es necesario, usa un pronombre de complemento directo (lo, la, los, las). Sigue los modelos. MODELOS:¿Necesito ir al consulado mañana

    asked by Fisher

  37. Science

    The length of an aluminium bar of lenth 80cm increase by 1mm on heating. What is the final temperature of the bar if it was initially at temperature 20°C? ( given: coefficient of linear expansion of aluminium = 25×10-6/° C)

    asked by Chanchal

  38. Tenology

    How can an input output table help you? A. By providing multiple answers to the same equation using different variables.. In this question I choose A correct me if I'm wrong!!

    asked by Estephania

  40. aLGEBRA

    hOW MANY STUDENTS IN A CLASS IS POETS AND HOW MANY NOVELISTS WHEN THERE ARE 24 STUDENTS IN THE CLASS AND POETS OUTNUMBER NOVELISTS 5 TO 3

    asked by lucky

  41. Math

    Harry drove for 5 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 3 more hours on a country road. If his trip total was 396 miles, then what was his speed on the freeway?

    asked by Quita

  42. Composition

    The Kidnap

    asked by Benisco

  43. Trigonomentry help!!!

    SinA+ cosA=17/3 find sinA-cosA

    asked by Phum

  44. Help

    Two of the factors of ax^2+bx+c are (2x-2) and (x+5). Which is one of the x-intercepts of y=ax^2+bx+c? A. -2 B. -1 C. 5 D. 1

    asked by LadyPhantomhive

  45. Math

    Two of the factors of ax^2+bx+c are (2x-2) and (x+5). Which is one of the x-intercepts of y=ax^2+bx+c? A. -2 B. -1 C. 5 D. 1

    asked by LadyPhantomhive

  46. Confused bat!!! English

    My english teacher told me that there is a difference between NO and IDON'T NO he said that we should exaplain with refrences am confuse but they are the same

    asked by Collins

  47. Technology

    1. What function would you use to find the mean in a microsoft(R) excel document A. ROUND B. AVERAGE •• C. SUM D. HYPERLINK 2. What is the first thing you should do to find the mean and range of data? A. put the numbers in order from least to greatest

    asked by Estephania

  48. Algebra

    Walk 1 or 2 miles. Check the time before starting your walk and at the end of your walk. Determine your walking rate in minutes per mile. Create an equation that describes this rate.

    asked by JamarLavine

  49. maths

    The fifth term of an arithmetic sequence is 23 and the 12th term is 72. What is the value of the 10th term. Which term has a value of 268.

    asked by Anonymous

  51. programming

    I have a general question. i was given a task to write a c code which gets an integer number as an input and prints the number of digits the number has. I have written a function that does it, but the problem is whenever the integer number is n>=100, the

    asked by oded rupin

  52. Technology

    the field name is a database are as known as________. A. Category or column heading•• B. The name of a row C. Individual cell in database D. Records Correct me if I'm wrong!!

    asked by Estephania

  53. Social studies

    The bicameral organization of the Georgia legislature consits of?

    asked by Amber

  54. Technology

    the filter feature excel allows you to look at what data? A. Only the data you select from the filter options B. Only data in the columns labeled filter•• C. Only data that have been sorted first D. Only data in alphabetical order Correct me if I'm

    asked by Estephania

  55. Social studies

    The official name of the Georgia General Assembly. True or false

    asked by Amber

  56. algebra

    Your new cell phone plan charges $50 per month for 400 minutes of talk time. The plan charges $0.10 for each additional minute you talk. You use 50 additional minutes this month. What is your bill for the month?

    asked by alizay

  57. Math

    The following list gives the first 6 values of a sequence that follows a numerical pattern. -2, 3, 1, 4, 5, 9... Which is most likely the 10th value in the sequence? A. 23 B. 37 C. 60 D. 97

    asked by LadyPhantomhive

  58. Social studies

    The total membership of the legislature is 220 members. True or false

    asked by Amber

  59. Technology

    How can the sort feature Microsoft excel help you? A. It can organize the data to find information easily •• B. It can ensure everything is spelled accurately C. It can check the accuracy of the data D. It can total up the number to find the sum

    asked by Estephania

  60. Math

    the second and sixth terms of an arithmetic sequence is 4. the third term is 24more than the 11th term. Determine the first three terms of the sequence

    asked by Nomfundo

  62. Health connexues academy

    when reading a recipe ingredients, which substance make the recipe an unhealthy choice if it is present in a high amount A.fiber B.protein C. trans fat D. unsaturated fat

    asked by dasha

  63. History,life science,maths lit and geography

    I wanna knw if ican become a FIRE FIGHTER with dic sub

    asked by Bono

  64. Technology Education

    the filter feature excel allows you to look at what data? A. Only the data you select from the filter options •• B. Only data in the columns labeled filter C. Only data that have been sorted first D. Only data in alphabetical order Correct me if I'm

    asked by Estephania

  65. English

    Which best describes the setting of Maya Angelou’s autobiography "I Know Why the Caged Bird Sings?" a nineteenth-century plantation a large, segregated city in the 1920s a small Southern town in the 1940s*** a household torn by conflict in the 1960s Is

    asked by SkatingDJ

  66. Technology Education

    How can the sort feature Microsoft excel help you? A. It can organize the data to find information easily •• B. It can ensure everything is spelled accurately C. It can check the accuracy of the data D. It can total up the number to find the sum

    asked by Estephania

  67. Algebra 2

    Two times a number subtracted from its square equals 143. Find the number(s).

    asked by Charlie

  68. Math

    Shadontay is going to the movies with two friends he buys a small popcorn that cost $2 the tickets and 1 popcorn cause a total $29 how much does one ticket cost

    asked by Alex

  69. MATHS

    If the 1st,2nd,3rd term of a G.P areX,X+1,X+4 respectively,find X

    asked by STEVIUM

  70. chemistry 110

    Calculate the volume of 0.300M HNO3 needed to complete neutralize 25.0ml of 0.250M Sr(OH)2

    asked by Doleen

  71. Physics

    A 10.5 g bullet is fired into a 104 g wooden block initially at rest on a horizontal surface.The acceleration of gravity is 9.8 m/s2. After impact, the block slides 6.66 m before coming to rest.If the coefficient of friction between block and surface is

    asked by Luhan

  73. Physical sciences

    Name of the following compound:KBr, Na2CO3 ,FeSO4, CrCl3

    asked by Lerato

  74. Technology

    When using a line graph, why is it inportant to only graph 1 - 3 series of data? A line graph in Microsoft Excel will not allow you to graph more than 3 series of data. It will not show changes over time of you use more than 3 series of data. The lines are

    asked by Estephania

  75. English

    Identify the part of the speech for the underlined word. Mr. Manson is running for the senate this fall. ("is" is the underlines word) action verb helping verb linking verb none of the above Is "is" a helping verb or a linking verb? I'm stuck between the

    asked by SkatingDJ

  76. Math

    For which values of x is y equal to 16 in the equation y=|3x+4| ? A. -60 and 36 B. -36 and 60 C. -20/3 and 4 D. 20/3 and 4

    asked by LadyPhantomhive

  77. Chemistry 101

    A crown is determine to weigh 2.65 kg. When this crown is submerged in a full basin of water, the overflow is found to be 145 mL. Is the crown pure gold or a gold-silver alloy? The density of silver is 10.5 g/mL and gold that of gold is 19.3 g/mL

    asked by Lilly

  78. Algebra (Urgent)

    Which of the following lines are perpendicular to the line y=-1/4x+6 (you may choose more than one answer) 4x-y=2 y=4x 4x+y=6 1/4x-y=6 -4x+y=3

    asked by Eric

  79. Math

    Use a proportion to find the missing side length in the following similar figures. Both are triangles one is small and the other is bigger. The small is 4m and 2m the big one is 9m and you have to solve for x on it. A. x=4.5 m B. x=18 m C. x=8 m D. x=2.25

    asked by Ams

  80. Language

    What is the most likely reason Byron gets sick in chapter 6? A. Byron punches Kenny in the arm B. Byron shares his cookies with Kenny C. He feels bad about killing the mourning dove•• D. He is nervous about being punish led by his father Which of

    asked by Estephania

  81. Physics

    The speed of propagation of the action potential (an electrical signal) in a nerve cell depends (inversely) on the diameter of the axon (nerve fiber). If the nerve cell connecting the spinal cord to your feet is 0.97 m long, and the nerve impulse speed is

    asked by Bec

  82. Social studies

    The total membership of the legislature is 220 members. True or False? Is it false?

    asked by Ams

  84. Biology

    If a cell has 8 duplicated (double stranded) chromosomes during metaphase of mitosis, how many chromosomes would the cell have at the end of anaphase?

    asked by Jodi

  85. Social studies

    House members in Georgia serve 2-year terms and state senators serve 4-year terms. True or false? True?

    asked by Ams

  86. Chemistry 101

    A carpenter is building a deck and needs 750 board meters of ACC chemically treated lumber. The individual boards com in 8 foot and 12 foot lengths. How many boards will he need to complete the deck? If the boards retail at Home Depot for $1.25 per board

    asked by Lilly

  87. Chemistry 101

    What is the mass of water (in grams and pounds). contained in a 100. foot long pipe that has an internal diameter of 6.5 centimeters? The density of water is 1.00 g/ cm^3. The volume of a cylinder is (pi)r^2L.

    asked by Lilly

  88. Calculus

    Describe the Domain of the Function: F(x)= 2x/(x-2)(x-1) The domain of the function consists of all real numbers x except ____?

    asked by Dominick

  89. Chemistry

    Calculate the average kinetic energy of 1 mol of hydrogen molecules and of 1 mol of sulfur hexafluoride molecules at 25 degrees Celsius.

    asked by Lana

  90. math 8

    solve the system of equations 5x+2y=11 3x-4y=4 give answer as decimal if required. any help would be appreciated, thank you

    asked by sam

  91. English

    Change the italicized clause to nominative absolute. As the game was over the contestants quietly filed out of the room

    asked by Elaine

  92. Spanish

    en otra parte del bosque una nina que. (tener) anos y que (llamarse). ricitos de oro (empezar) a recger flores y alejarse (to get further away) de su casa. de repente, cuando (levantar) los ojos. (ver) una casa pequena muy bonita. como ella (ser) muy

    asked by Del

  93. Chemistry 101

    Joe Smith, the chemical engineer from Acme Chemical Company, wanted to determine the final volume in a large glass cylinder is he dropped a 12.52 pound ingot of lead whose density was 112.3 g/cm^3 into the cylinder which already contained 2500. mL of

    asked by Lilly

  95. Spanish

    En la sala de la casa (haber) una Mesa con tres recipientes. Uno (ser) grande, el otero mediano y el ultimo pequeno, pero todos (tener) leche con miel. My answers Habia Era Tenian

    asked by Del

  96. math(epidemiology)

    A population of 100 healthy men was followed for the development of prostate cancer. After being followed for 5 years, 20 men developed prostate cancer. Ten other men were followed for 1 year and then were lost to follow-up. The remaining men who never

    asked by Kelly

  97. French

    How do you say 4.5 euros in French?

    asked by Anonymous

  98. Math

    1.if 40% of pupils in a school are boys,what percentage of the pupils are girls? 2.increase 448 by 25% 3.decrease 20.00 by 5%

    asked by Maryam

  99. Algebra

    Tell whether the lines for each pair of equations are parallel perpendicular of neither y=-3x+7 -2x+6y=3 Tell whether the lines for each pair of equations are parallel perpendicular of neither y=(-1/5)x=6 -2x+10y=5

    asked by Eric

  100. Physics

    Vehicle A is traveling at 93.602fps and is 819.017 feet behind vehicle B. Vehicle A takes 8.75 seconds to overtake vehicle B. How fast is vehicle B traveling?

    asked by Wayne

  101. Chemistry

    Calculate the average kinetic energy of 1 mol of hydrogen molecules and of 1 mol of sulfur hexafluoride molecules at 25 degrees Celsius.

    asked by Sanaya

  102. Grade 5 math

    During the week,five students kept track of how much time they spend doing homework.Jonathan did 185 minutes,Gemma did 205 minutes,Brandon did 240 minutes,Emily did 195 minutes and vat anak did 165 minutes.What was the total number of minutes the students

    asked by Anonymous

  103. Physics

    A body moving with a velocity at 10 ms collides with a stationery box of mass 100 kg.I f the body has a mass of 50 kg and the two move together after collision.Find their final velocity?

    asked by Isaac

  104. AP Physics

    A 25 degree incline sits on a 1.2 meter high table. a ball rolls off the incline with a velocity of 4 m/s. how far does the ball travel across the room before reaching the floor?

    asked by Kat

  106. Math

    Find the gradient of line AB joining the following pair of point (2,1) and (4,2)

    asked by Precious

  107. Algebra

    Determine the explicit formula for each arithmetic. The 9th and 10th yerm of an arithmetic sequence are -24 and -30 respectively. What is the 30th term?

    asked by Kimmy

  108. chemistry

    The titration of 5.40 mL of a saturated solution of sodium oxalate, Na2C2O4, at 25∘C requires 29.4 mL of 2.200×10−2 M KMnO4 in acidic solution. What mass of Na2C2O4 in grams would be present in 1.00L of this saturated solution?

    asked by sara

  109. math

    6x2-13xy+5y2 (2x+13+6x+5

    asked by michael

  110. ap physics

    Mass m1 on the frictionless table of the figure below is connected by a string through a hole in the table to a hanging mass m2. With what speed must m1 rotate in a circle of radius r if m2 is to remain hanging at rest? (Use any variable or symbol stated

    asked by ian

  111. Chemistry 101

    Joe Smith, the chemical engineer from Acme Chemical Company, wanted to determine the final volume in a large glass cylinder is he dropped a 12.52 pound ingot of lead whose density was 11.3 g/cm^3 into the cylinder which already contained 2500. mL of water.

    asked by Lilly

  112. Physics

    Vehicle A is 819.017 feet behind vehicle B. Vehicle A is traveling at 93.602fps and vehicle B is traveling at 44fps. How long until vehicle A catches vehicle B?

    asked by Wayne

  113. Chemistry

    Why is the pressure of a gas does not depend on the molar mass of the gas?

    asked by Sanaya

  114. Physics

    A body moving with a velocity at 10 ms collides with a stationery box of mass 100 kg.I f the body has a mass of 50 kg and the two move together after collision.Find their final velocity?

    asked by Isaac

  115. Math

    The championship is over in two days. After the first day, his score is -150. Ten minutes into the second day his score is -210. Assume that his score continues to change at the same rate for the whole second day. Whats the expression

    asked by Ashley

  117. Math (Help) thx!

    The number of people who vote early doubles every week leading up to an election. This week 1200 people voted early. The expression 1200 (multiplied by) 2^w models the number of people who will vote early w weeks after this week. Evaluate the expression

    asked by Samy

  118. Math

    A student got 70% on the first test She got 77% on the second test What is the percent increase ? This was all that was given in question

    asked by Julie

  119. Precalc

    Suppose the difference of two numbers is 3. Does the sum of their squares have a minimum or maximum value? What is that value?

    asked by Remy

  120. Algebra

    The 15th and 21st terms of an arithmetic sequence are -67 and -97. What is the 30th term? This is all I can figure out? -97- (-24)= -30 common difference. HELP!

    asked by Jalen

  121. math

    what is the simple interest of 32500 for a 4 year loan at 4%?

    asked by Patrick

  122. Math Pizzazz

    How do you weigh a whale?

    asked by Foxy the Pirate Fox

  123. Math

    Can you explain how to do this question? "Three clocks ring once at the same time. After that, the first clock rings after every 90 minutes, the second after every 30 minutes, and third after every 60 minutes. After how many minutes will they again ring

    asked by Patricia

  124. math help

    Hayley wants to purchase tile for the floor in a rectangular room that measures 15 feet by 14 feet. The tile costs $4.25 per square foot. Sales tax is 6.5%. What will be the total cost to cover Hayley’s floor with tile?

    asked by jhon

  125. Math

    Christie decided to make bracelets for the fifth-grade girls. 2/5 of the bracelets were finished on Monday, and 3/7 of the bracelets were finished on Tuesday. What part of the total number of the bracelet are finished?

    asked by Steph56

  126. Social studies

    What is a social studies word that begins with the letter U?

    asked by Rainbow dash

  128. Social studies

    What is the definition of union in social studies ?

    asked by Rainbow dash

  129. Social studies

    What is a hero in history that begins with the letter U?

    asked by Rainbow dash

  130. Math (Help Please!)

    Suppose the difference of two numbers is 3. Does the sum of their squares have a minimum or maximum value? What is that value?

    asked by Remy

  131. Math: Geometry

    I am having trouble with a problem from my online math class. I tried using the basic angle properties of circles, but didn't get anywhere: Let ABCD be a cyclic quadrilateral. Let P be the intersection of AD and BC, and let Q be the intersection of AB and

    asked by I see you have graph paper. You must be plotting something.

  132. 8th grade math and algebra class

    A bird seed store is running a sale, when as you buy additional bags of seed you get a reduction in price on the additional bags. - first and second bags cost $20/bag - third through fifth bag cost $15/bag - sixth through tenth bags cost $10/bag Graph the

    asked by Scorer for the Braves

  133. math help

    Mrs. Williams is going to purchase a plastic cover for her outdoor fish pond. The area of the fish pond is 25 m2. However, she must purchase a cover that is 12% more than the pond area in order to cover the entire edges of the pond. The plastic cover costs

    asked by jhon

  134. Social studies

    Please give me some information on Ulysses S Grant . Like when was he born we he died (background information). 5 Sentences plz

    asked by Rainbow dash

  135. Language

    the author compares the cookie to a flying saucer most likely to? A. emphasize the large size of the cookie•• B. Indicate the color of the cookie C. Illustrate the cookie rotation through the air D. Add a set effect Plz correct me!!

    asked by Tayler

  136. math help

    Mr. Donahue needs eq177745_s1 pounds of flour to make 5 loaves of bread. He bought a 50-pound bag of flour that costs $64.99. About how much will Mr. Donahue spend on flour for a loaf of bread? A $1.17 B $5.85 C $6.50 D $58.49 how is this on A please

    asked by jhon

  137. Math

    2.0 million wanted by retirement in 35 year at earned 4% annually how much do you need to start with inorder to have 2.0millionsaved

    asked by Marcia McKinnon

  139. Calculus

    Use the identity sin^2x+cos^2x=1 and the fact that sin^2x and cos^2x are mirror images in [0,pi/2], evaluate the integral from (0-pi/2) of sin^2xdx. I know how to calculate the integral using another trig identity, but I'm confused about how to solve this

    asked by Andre

  140. chemistry

    If you put 0.25 molar solution of Sodium Chloride (NaCl) in 100 ml of distilled water. ... how much salty precipitate remains in an evaporating dish from 10 ml of solution?

    asked by Bev

  141. Raj

    Opposite sides of a parallelogram are equal

    asked by Devashish

  142. Math

    What is the opposite of the opposite of the opposite of 2 times 2?

    asked by Rainbow Dash

  143. Math

    What is the opposite of the opposite of the opposite of the opposite of 2 times 2?

    asked by Rainbow Dash

  144. Social studies

    What is a hero of history that begins with the letter W?

    asked by Rainbow Dash

  145. Social studies

    What is a social studies word that begins with the letter W?

    asked by Rainbow Dash

  146. calculus

    Find the minimum distance between the curves y=e^x and y=lnx. Hint: Use the fact that e^x and lnx are inverse relationships. I have no idea where to start. Thanks!

    asked by Samuel

  147. Math

    Find the point (x,) on the graph of the curve y=√4x+13 that is the closest to the fixed point (5,0).

    asked by Remy

  148. Precalc Help!

    The concentration C of a chemical in the bloodstream 't' hours after injection into muscle tissue is given by: C=(3t^2+t)/(t^3+50) where t≥0 What is the rate of change over the interval [0,4]? What is the rate of change over the interval [4,8]? What is

    asked by Remy

  150. Social Studies

    What is a country that begins with the letter W?

    asked by Rainbow Dash

  151. Chemistry

    Would there be any effect on the amount of precipitate in the experiment if tap water containing calcium ions is used instead of deionized water to dissolve the reactants. Assume that Na2CO3 is present in the excess.

    asked by Hannah

  152. math help

    Mr. Donahue needs 4 1/2 pounds of flour to make 5 loaves of bread. He bought a 50-pound bag of flour that costs $64.99. About how much will Mr. Donahue spend on flour for a loaf of bread? A $1.17 B $5.85 C $6.50 D $58.49 how is this answer A

    asked by jhon

  153. History

    I just need some ideas for 4 questions. It sounds silly but I need inspiration. ~~~~ 4. Why would the canal developers have studied the British canal system before they designed the Erie Canal? Write four questions the developers might have asked during

    asked by Astral Tellurian

  154. math

    2.08*10^-8=(9*10^9)(1.6*10^-19)^2/d^2 please solve for D

    asked by john

  155. math help

    Mr. Richards has two cars that he changes the oil in every four months. During an oil change, each car needs 4 1/2 quarts of oil. Each 5-quart container of oil costs $14.99. Before tax, how much will the oil cost Mr. Richards for both cars in a year? A

    asked by jhon

  156. Social studies

    What is a hero of history that begins with the letter I ?

    asked by Rainbow Dash

  157. math

    The number of households with VCRs in 1990 was about 87.5% of the number with VCRs in 1993. About how many households had VCRs in 1993?

    asked by Help!

  158. honors geometry

    You and a group of friends are participating in a ropes course. One of the obstacles involves doing a Tarzan Swing into a lake. A rope swing is at the edge of the lake. It is attached to a platform arm that overhangs the lake as shown in the diagram below.

    asked by bryce b

  159. College Algebra

    A sailboat has a triangular sail with an area of 20 square feet. The height of the sail is 6 feet more than the length of the base of the sail. Find the height of the sail.

    asked by Nancy

  161. Math

    Joshua saves $325 every 5 months.How long will it take him to save $845? Explain how you determined your answer.

    asked by Anonymous

  162. Social studies

    What is hero of history that begins with the letter i ?

    asked by Rainbow Dash

  163. logic

    Convert the following formula to conjunctive normal form (clause form). a) a ≡ (b ≡ c) is the answer (a כ(( b כ c) ^ (c כ b))) ^ ((( b כ c) ^ (c כ b)) כ a) unsure thanks

    asked by melvin

  164. Physics

    How many coulombs pass through a wire that carries a current of 3.2 A for 5.0 h? I=Q/t Q=It Q=3.2*5*60 Q=960 I am told this is not the correct answer.

    asked by R

  165. math

    At the local bank, 60% of the employees have 2 or more children. There are 240 employees that have fewer than 2 children. How many employees does the bank have?

    asked by leo

  166. World History check my answers

    Please check my answers. I put a star* by the one i chose. 1. What innovation is Henry Ford credited with pioneering? a. Combustion engines b. Assembly line* c. Increasing workers’ pay 2. Identify one of the troubles the Coolidge administration faced

    asked by Cat

  167. Math

    a satellite traveling in a circular orbit 2000 kilometers above the earth completes one orbit every 3 hours. assume the earth is a sphere and its radius is 6400 kilometers. find the angular velocity of the satellite

    asked by Jade

  168. math help fast

    During an oil change, each car needs 4 1/2 quarts of oil. Each 5-quart container of oil costs $14.99. Before tax, how much will the oil cost Mr. Richards for both cars in a year? A $44.97 B $80.94 C $89.94 D $107.93 why is this c

    asked by jhon

  169. Pre Calc

    Find the vaule of sec(theta) for angle theta in standard position if the point at (3,-1) lies on its terminal side.

    asked by Alex

  170. math help

    Jordan earns $11.35 per hour and works 40 hours per week. He then earns a 20% pay raise. How much money will Jordan now make each week? A $363.20 B $454.00 C $463.08 D $544.80 how is this d

    asked by jhon

  172. High school mathmetics

    Steve receives a commission of $500 per sale on the first 4 sales he makes a $600 per sale for the next 6 sales he makes during a month. What is the average commission Steve receives per sale during a month?

    asked by Anonymous

  173. health,i need someone to explain this question

    first: i need to pick a career i picked dentist. the question: Where are individual's in this job employed ( what facilities, what part of canada) i just need help with understanding the question please help thank you

    asked by miyabi

  174. math

    The sum of the second ans the sixth terms of an arithmetic sequence is 4.Thw third term is 24 more than the 11th term. 1Determine the first three terms in the sequence.

    asked by ntwa

  175. Algebra

    A truck can be rented from Company A for $90 a day plus $0.70 per mile. Company B charges $60 a day plus $0.80 per mile to rent the same truck. How many miles must be driven in a day to make the rental cost for Company A a better deal than Company B?

    asked by Margaret

  176. Math

    Two numbers. The first plus twice the second equals 11. Twice the first plus three times the second equals 50. What are the numbers?

    asked by Silvia

  177. help on math

    Dolphin 1 dove 200 feet under water. Dolphin 2 dove 30% farther. After Dolphin 2 dove down, it ascended 25 1/2 feet and then descended 40 1/2 feet. How far under the water is Dolphin 2?

    asked by chase

  178. Math ASAP

    4. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1

    asked by Anonymous

  179. Math Help ASAP

    2. w/4– 4 = 3 a) –4 b) 28

    asked by Anonymous

  180. Physics

    I did the problem but i'm confused on what to do next: 1.A hunter aims directly at a target (on the same level) 120m away. (a) If the bullet leaves the gun at a speed of 250m/s, by how much will it miss the target? (b) At what angle should the gun be aimed

    asked by LINA

  181. Pre-Calc

    Solve for 0

    asked by Anonymous

  183. Math ASAP

    6. –9 – 6(w + 5) A) –15w + 5 B) –15w + 30 C) –6w – 39 D) –6w + 21

    asked by Anonymous

  184. Physical Chemistry

    Calculate the work, w, (in J) when 0.6 litre of an ideal gas at an initial pressure of 91.5 atm is expanded isothermally to a final pressure of 2.15 atm against a constant external pressure of 2.15 atm. I got -130.71 J, but apparently it is wrong. Help is

    asked by Cole

  185. MATH

    9. r/15 ≥ –3 a) r ≥ –45 b) r ≥ –15

    asked by Anonymous

  186. Math ASAP

    5. 3.75x + 3.7 = 1.7 + 1.75x a) 10 b) –1 c) 1 d) .1

    asked by Anonymous

  187. Physics

    I'm having trouble where to start with this question.. Any help would be helpful. A projectile is fired with an initial speed of 75.2 m/s at an angle of 34.5° above the horizontal on a long flat firing range. Determine (a) the maximum height reached by

    asked by LINA

  188. math help please

    Dolphin 1 dove 200 feet under water. Dolphin 2 dove 30% farther. After Dolphin 2 dove down, it ascended 25 1/2 feet and then descended 40 1/2 feet. How far under the water is Dolphin 2? A 295 feet B 275 feet C 245 feet D 215 feet

    asked by chase

  189. Physics

    Also got lost on this question: A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235m below. If the plane is traveling horizontally with a speed of 250 km/h (69.4 m/s), (a) how far in advance of the recipients

    asked by LINA

  190. Fourth grade math

    Is 1 pirme or composte

    asked by E

  191. math

    Knowing that 0

    asked by Winston

  192. Education

    why is it important to know how much time you spent on tasks? A. So you can provide enough time for studying B. So you won't be late to meals C. So you're learning coach knows your schedule •• D. So you're learning coach won't be late Correct me if I'm

    asked by Tayler

  194. Math fourth grade

    Dose all prime number have 2 factors

    asked by E

  195. trigonometry

    one leg of the right triangle is 10 cm and the hypotenuse is 20 cm longer than the other leg.Find the lenght of the unknown sides.

    asked by joy

  196. math help

    A roll of fabric is 12 yards long. A salesperson cuts three pieces off the roll measuring 2 3/4 yd, 5 1/3 yd, and 1 1/5 yd. Approximately what percentage of the roll of fabric remains? A 3% B 9% C 23% D 77%

    asked by chase

  197. math help please

    Joey earns $7.65 an hour at his part-time job. He received a 20% raise. How much will Joey now earn for working 40 hours? A $244.80 B $306.00 C $367.20 D $612.00

    asked by chase

  198. physics

    The energy of the em waves is of the order of 15 kev.to which part of the spectrum does it belong?

    asked by Princy

  199. Physics

    the distance of a planet from its sun is 19000000 miles. if there are 29400000 seconds in one orbit, find the speed of the planet in its orbit about the sun. (assume a circular orbit)

    asked by S

  200. math help please

    On Monday, a jacket cost $36.95 and a shirt cost $21.42. On Friday the jacket was discounted by 20%, and the shirt was discounted by 1/3. What is the total price of the jacket and shirt on Friday, before sales tax? A $14.28 B $29.56 C $43.84 D $43.91

    asked by chase

  201. math help please

    Emily bought 3 shirts for $12.50 each and a pair of shorts for $20. She had a coupon for $3 off her purchase, before sales tax. Sales tax is 6%. How much did Emily pay for the clothes after the coupon and sales tax? A $54.50 B $57.77 C $60.50 D $64.13

    asked by chase

  202. prepositional calculus

    Convert the following formula to conjunctive normal form (clause form). a) a ≡ (b ≡ c) is the answer (a כ(( b כ c) ^ (c כ b))) ^ ((( b כ c) ^ (c כ b)) כ a) unsure thanks

    asked by melvin

  203. social studies hurry

    Which statement best describes the physical geography of Arabia and Iraq? a. largely hot and dry with pockets of mountains and fertile river valleys b. tropical, with equal parts rain forest and desert. c. mountainous, with diverse terrain and climate

    asked by shynice

  205. physics

    Bailey is on the tenth frame of her recent bowling competition and she needs to pick up the last pin for a spare and the first place trophy. She rolls the 7.05-kg ball down the lane and it hits the 1.53-kg pin head on. the ball was moving at 8.24 m/s

    asked by bryce

  206. help on math

    Emily bought 3 shirts for $12.50 each and a pair of shorts for $20. She had a coupon for $3 off her purchase, before sales tax. Sales tax is 6%. How much did Emily pay for the clothes after the coupon and sales tax? A $54.50 B $57.77 C $60.50 D $64.13

    asked by chase

  207. social studies help

    You are a migrant worker from India who has come to Kuwait. In which industry are you most likely to seek work? A. Fishing B. Oil C. Farming D. Livestock

    asked by shynice

  208. physics

    A stick is a connection of two same -diameter metal rod 5 cm , and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal /s.m.°C , and the second stick 50 cal / s.m.°C . The temperature at the free end of the first rod 100 °C

    asked by Anonymous

  209. social studies hurry

    which set of descriptions would describe the largest number of people in the region? a. rural, Sunni, and Kurd b. urban, Sunni, and Arab c. rural, Shia, and Kurd d. urban, Shia, and Arab

    asked by shynice

  210. social studies hurry

    Which of the following has the greatest impact on human settlement in Iraq? a. oil resources b. mountainous terrain c. coastal lands d. fresh water sources

    asked by shynice

  211. Psycology

    code of ethics for counselors, psychologists, social workers, and human services professionals. How are these codes similar and different?

    asked by Diana

  212. Math - Help! ASAP

    8. a) Estimate 51% of 162. First, we can multiply. So, 162 x 51% = 82.62. We round it, which will be 83. b) Use mental math to calculate 51% of 162. If we round 51%, it is close to 50%. So, in that case, 50% of 162 is 81. Did I do this right? Please help

    asked by Willy

  213. Physics

    1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of 0.92 m/s [N71oW] and the second stone moves away at a velocity of 1.25 m/s [N44oE], what was the initial

    asked by Ryback
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