Questions Asked on
February 25, 2017

  1. High School Geometry

    In isosceles ΔABC, AC = BC, AB = 6 in, CD ⊥ AB , and CD =√ 3 in. Find the perimeter of the isosceles triangle. Can u plz put answer and equation thanks, :)

    asked by Alexa
  2. Math

    Find the $2 \times 2$ matrix $\bold{A}$ such that \[\bold{A} \begin{pmatrix} 1 \\ 0 \end{pmatrix} = \begin{pmatrix} 1 \\ 2 \end{pmatrix}\] and \[\bold{A} \begin{pmatrix} 0 \\ 1 \end{pmatrix} = \begin{pmatrix} -7 \\ 4 \end{pmatrix}.\] Regular: Find the 2 x

    asked by Zheng
  3. cellular solids

    Calculate the Young's modulus and compressive strength for: a) 5% dense aluminum regular hexagonal honeycomb, loaded in the out-of-plane direction, x3 b) 5% dense aluminum regular hexagonal honeycomb, loaded in the in-plane direction, x2 c) 5% dense

    asked by ann
  4. math

    Given: ΔKLM, KL = LM = 13in, KM = 10in. Find: The area of ΔKLM I got for the area 12√34 but its wrong :(

    asked by allie
  5. math

    a student walks 50m on a bearing 025 and then 200m due east.how far is she from her starting point

    asked by favour
  6. chemistry

    How much energy is evolved during the formation of 98.7 g of Fe, according to the reaction below? Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s) ΔH°rxn = -852 kJ A. 482 kJ B. 753 kJ C. 1.51 × 10ee3 kJ D. 4.20 × 10ee3 kJ

    asked by mauds
  7. High School Geometry

    Given: ΔTSP, TS = SP = 10cm, TP = 12cm. Find: Three altitudes of ΔTSP. for this one I only got one of the altitudes 2 √61 can you give me the other two and tell me if this one is right, sorry I am in a rush

    asked by Alexa
  8. Algebra 2

    A function is created to represent the costs of living per person in the family. What restrictions would be made to the domain? A-domain includes positive integers B- domain includes positive numbers C-domain includes all real numbers D- domain includes

    asked by Daven
  9. math

    The figures in (a) and (b) below are made up of semicircles and quarter circles; the figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of π.

    asked by allie
  10. Geometry

    Given: ΔАВС, m∠ACB = 90° m∠ACD = 30° AD = 8 cm. Find: CD, Perimeter of ΔABC plz add answer

    asked by Alexa
  11. math

    Given: ΔKLM, KL = LM = 13in, KM = 10in. Find: The area of ΔKLM

    asked by Alexa
  12. Math

    A function is created to represent the height above sea level of a mountain climber every hour. What restrictions would be made to the range? A-range includes all real numbers B-range includes positive integers C-range includes positive real numbers

    asked by Dhruv Patel
  13. math

    pq is a tower standing vertically on the horizontal ground. from a, the angle of elevation of top p of the tower is 45°. on moving 50 m. up a slope of 15°, the angle of elevation becomes 75° from b. find height of the tower

    asked by Anonymous
  14. Math

    PLEASE CHECK MY ANSWERS 1, calculate the slant height for a given cone. round to the nearest tenth. Diameter = 8 cm Height = 9 cm 10.2 cm 11.4 cm 9.8 cm * 12.0 cm 2, calculate the slant height for a given cone. round to the nearest tenth Diameter = 18 cm

    asked by RedArmyLeader
  15. Maths

    Joy receives a normal hourly wage of $18.60 and time-and-a-half for any overtime. On public holidays he receives double time with a minimum of 4 hours paid. What is his wage for a week in which he works 40 normal hours, 6.5 hours overtime and 3 hours on a

    asked by Rachael
  16. value

    an object tied to the end of a string moves in a circle. the force exerted by the string depends on the mass of the object, its speed, and the radius of the circle what combination of these variables gives the correct dimensions (ML/T2) for the force?

    asked by value
  17. Financial maths

    Tara is saving for an overseas trip. Her taxable income is usually about $20 000. She estimates that she will need $5000 for the trip, so she is going to do some extra work to raise the money. How much extra will she need to earn in order to have $5000

    asked by Pete
  18. PHYSICS

    On vacation, your 1400-kg car pulls a 520-kg trailer away from a stoplight with an acceleration of 2.00 m/s2 . A: What is the net force exerted by the car on the trailer? Assume that the positive x axis is directed toward the direction of motion. F = N

    asked by LISA
  19. Social Studies Help ASAP Please!

    Resistance to Immigration Nativists believed that some immigrants did not fit into American culture because their customs were to different ---> Prejudice and violence grew as the number of Chinese immigrants increased ---> ? Based on your reading, which

    asked by Sam
  20. Math

    Esther had an average of 72 on her first four maths test. After taking the next test, her average dropped to 70. Which of the following is her most recent test grade

    asked by Dipo
  21. Calculus

    A point is moving along the curve xy=12. When the point is at (4,3), the x-coordinate decreases at the rate of 2cm/sec. How fast is the y-coordinate changing at that point?

    asked by Liv
  22. psychology

    what's the difference between structuralism and functionalism? please explain in a simplified way, thanks.

    asked by :)
  23. psychology

    "Lisa is 30 yrs old, married woman and mother of 4 children. She has various worries for years but has never before sought professional help. During the past three months she has become increasingly unhappy to the degree that her family physician finally

    asked by m
  24. math

    PQ is a tower standing vertically on the horizontal ground. from A, the angle of elevation of top P of the tower is 45°. On moving 50 m. up a slope of 15°, the angle of elevation of P is found to be 75° from B. The horizobtal through B is BC. find

    asked by tawheed
  25. MATH

    You need to move all your belongings to your new location. Your company has provided you with three options for your move: DISTNACE: 34 h (3,727.9 km) For your calculations, use an average fuel price of $1.05/L. The fuel consumption rating for your

    asked by Sophie
  26. 6th grade Algebra

    Can someone please show me how to solve this 3-d/2 use d=6

    asked by Asheli
  27. Science

    A student rides his bike off the roof of the high school horizontally at 8 m/s that is 12.5 m high. 1. How far from the base does the object land? 2. What is his y-direction velocity just before it strikes the ground?

    asked by Boberto
  28. Maths

    The ratio of zinc and copper in an alloy is7:9 if the weight of the copper in the alloy is 11.7 kg , find weight of the zinc in the alloy

    asked by Eklavya joshi
  29. scence

    Which of the following describes the relationship between mass and inertia?

    asked by rhonda
  30. High School Geometry

    Given: ∆AKL, AK = 9 m∠K = 90o m∠A = 60 ° Find: The perimeter of ∆AKL The area of ∆AKL 1/ AK perpendicular to LK 2/AL is the third side plz add answer and solution

    asked by Alexa
  31. Algebra

    Jane's sweet shop mixes candy worth 80 cents per pound with candy worth 2 dollars per pound to make 20 pounds of a mixture worth 1.60 per pound. How many pounds of each kind of candy does the store use?

    asked by Patrick
  32. Physics

    you are skiing down a slope angled at 30 degrees to the horizontal. Your acceleration is 2m/s^2. what is the coefficient of kinetic friction between you and the hill?

    asked by Sarah
  33. Math

    Write an equation in the indicated form for each statement described below. (A graph shows two lines intersecting at x=-2 and y= 1 in a tilted X shape) A. Write an equation in slope-intercept form for the line parallel to the red line and going through the

    asked by Mark
  34. American Government

    freedom of speech freedom of religion private property emigration I need help on figuring which of these rights are implied and explicit.

    asked by Rox
  35. Math :(:( Totally stressing ouuut ned help now.

    What are all the possible ways to transform the letter V in a single transformation so that its point is up rather than down: 2 answers A. Translation B. Reflection C.Rotation

    asked by Abby
  36. math

    If 8.2^p = 10.5^q, then p/q = ? Estimate your answer to two decimal places.

    asked by Rachel
  37. math

    If 8^x = 12, then 24^x = ? Estimate your answer to one decimal place.

    asked by Rachel
  38. Math

    I need help with these homework questions! What is the volume of a square pyramid that is built in a cube with edges of 12 inches? Square pyramid in 12-inch cube A. 48 in3 B. 144 in3 C. 576 in3 D. 1,728 in3 Find the volume of a square pyramid with base

    asked by Unknown
  39. Math

    Can someone check my answer for this homework assignment? What is the volume of a square pyramid that is built in a cube with edges of 12 inches? Square pyramid in 12-inch cube A. 48 in3 B. 144 in3*** C. 576 in3 D. 1,728 in3 Find the volume of a square

    asked by Chiki
  40. Chemistry

    Calculate the molarity of the H2SO4 solution if 17.45 mL of NaOH was necessary to reach the endpoint of titration. The molarity of the NaOH solution was 0.425 M and 26.30 mL of H2SO4 was added to the Erlenmeyer flask. H2SO4(aq) + 2 NaOH (aq) -----> Na2SO4

    asked by Audrey
  41. Physics

    The box is being pulled by a roope across a level floor as shown in the diagram. The box is accelerating at 1 m/s2, the coefficient of kinetic friction is 0.5. what is th tension in the rope?

    asked by Sarah
  42. College Algebra

    Robert invested $10000 and earned a total of $550 interest. He invested part of the $10000 in an account paying 5% and rest in an account paying 6%. How much did he invest in each account.

    asked by Keonn'a
  43. Math

    Chris withdraws $7.50 per week from his savings account. After 15 weeks, the balance in the account is $585. A. Write an equation in point -slope form to model this. B. Write the equation in slope-intercept form. C. How much is in the account after 1 year

    asked by Unknown
  44. Algebra

    The scale on a map is approximately 3/4 inch to 9 miles. If the distance from city A to city B measures 7.5 inches on the​ map, how far apart are the two​ cities?

    asked by Sydney
  45. Probabilty

    Suppose i have a deck of 40 cards numbered 1-10 in red, yellow, blue, and green. suppose i am dealt 5 cards. how may cards could be dealt first? 40-5= 35

    asked by Jamme
  46. math

    If 16x^2 - 24x + k = 0 has two roots (a double root) equal to 3/4, 4 = ?

    asked by Rachel
  47. world history

    The economy of the Han Dynasty would have been MOST impacted by which of these? A)invasion by Vietnamese armies B)loss of control of western territories C)increased construction of the the Great Wall D)decreased construction of the the Great Wall

    asked by Dall
  48. matrix, linear transformations

    Morning, Bit confused: I have been given the following: g(x,y)=(4x,6y) h(x,y)=(x+2y,y) k(x,y)=(y,x) and ive got the following matrix for each of them: g={{4,0},{0,6}} h={{1,2},{0,1}} k={{0,1},{1,0}} So ive been asked to prove the linear transformation

    asked by Anon
  49. social studies

    create a problem tree with three levels of 10 causes and 3 levels of 10 consequences

    asked by Mkada
  50. physics

    A (10.25) kg bowling ball is hung on a (11.50) m long rope. It is then pulled back until the rope makes an angle of (39.0) degrees with the vertical and released. Find the speed of the ball is at the lowest point. Give your answer in m/s and with 3

    asked by l
  51. Trig identies, Calculus

    Use the identities cos^2 x + sin^2 x =1 and cos2x=cos^2 x -sin^2 x to show that cos^4 x -sin^4 x = cos2x Im not sure how, I can solve my problem with half angle identities but im not sure where to start with this.

    asked by Anon
  52. world history

    Which of these is the MAIN reason for the Jewish Diaspora that took place in the 1st century CE?

    asked by Dall
  53. world history

    Which of these is the MAIN reason for the Jewish Diaspora that took place in the 1st century CE? A)The Roman Empire put Judaea under their control. B)Islam became more popular, forcing the Jews to leave. C)The Egyptian pharaoh attacked Judaea for more

    asked by Dall
  54. maths

    How are the angles to be constructed in distinct half plane of a line segment for division of line segment? (A) obtuse (B) acute (c)right (d) A OR B

    asked by sanjay
  55. maths

    How to factorise 4(x+y)(3a-2b)+(6x+y)(2b-3 a)

    asked by Anonymous
  56. maths

    In triangle ABC a=8 b=9 c=7 then what is radius (a) 2.5 (b)3.5 (c)4.5 (d) 1.5

    asked by sanjay
  57. science

    If I dissolve 200g in 20 litre of water what is the density of the salty water. please help

    asked by dean
  58. maths

    Angle of elevation of sun from earth is called? (A) sunset (b) sun's altitude (c) sunrise (d) none

    asked by sanjay
  59. maths

    The measure of the side of an equilateral triangle is 6cm. Then area of circle touching all three sides of given triangle is ------cm2 (a) pie (b) 3 pie (c) 12 pie (d) 36pie

    asked by sanjay
  60. Biology

    What do the structures of Glycine and Arginine have in common? And what makes them different?

    asked by Calicia
  61. Math science

    A camp has food stock for 500 people for 70 days.if 200more peole join tha camp how long will tha stock last

    asked by Rahul kumar
  62. Algebra 2

    Solve the equation by graphing. 5 = -√x-3 I don't know how to make the graph. What would the graph look like? I worked out the equation and this is what it came out to be: 5 ≠ -5, which is no solution. Is there a way to graph this? Sorry, confused...

    asked by Fading
  63. Maths

    Thomas received $2176.10 as a holiday loading payment (17.5% on 4 weeks pay). What is his weekly wage?

    asked by Rachael
  64. chemistry

    hw much 0.1N NaoH would u have added to 30ml of 0.1N Hcl at a equivalent point?

    asked by Deborah
  65. world history

    why were Early Hindu temples were small

    asked by Dall
  66. Physics

    A ball is dropped from a building, after 2 sec another ball is thrown downward. After 6 sec the second ball overtook the first ball. Is the second ball has greater acceleration than the first ball? Explain.

    asked by Heeelp
  67. Math

    A team has won 16 matcjes and lost 5 .if these matches represent 70% of the matches to be played. how many more matches should the team win so as to have a record of 80% wins?

    asked by Chandan
  68. kekionga

    volume = 25in^3 radius =3 find the height

    asked by davonte
  69. math

    i need help on my unit 4 lesson seven 24 question unit tst from connexus academy.i am a level nine gymnast and have a huge meet that im stressing out about and so i cant focus someone please help me thank you

    asked by maya
  70. Philosophy

    Moreover, how does Plato account for adding new living souls to the human population?

    asked by Keon Meadowsadows
  71. Math

    Students are being surveyed about the weight of books and supplies they are carrying as they attend class. a. Identify the variable of interest. b. Identify the type of variable. c. List a few values that might occur in a sample

    asked by David
  72. Calculus

    The length l of a rectangle is decreasing at the rate of 3cm/sec, while its width w is increasing at the rate of 3cm/sec. Find the rates of change of (1.) the area, (2.) the perimeter, (3.) the length of one diagonal at the instant when l=15 and w=6.

    asked by Lance
  73. Math

    A pedestal in a craft store is in the shape of a triangular prism. The bases are right triangles with side lengths of 12Â centimeters, 16 centimeters, and 20 centimeters. The store owner wraps a piece of rectangular cloth around the pedestal, but does not

    asked by pattiecakess2u
  74. math

    A ferry boat departed from port and traveled at a rate of ten miles per hour at an angle of 30 degrees north of east across a large river. If the current is flowing at a rate of 4 miles per hour straight south, what is the speed and direction of the boat

    asked by Elise
  75. Math. plz help or try.

    I would love it if you helped me. 1. Determine the median of this data set. 5,6,3,2,2,4,8,9 A. 2 B. 4.5 C. 5.5 D. 5 2. What is the mode of the data set? 27,35,57,36,44,57,33,34,66,30,33,42,57,23,35 A. 35 B. 33 C. 42 D. 57 3. Sam conducted a survey in which

    asked by Kat
  76. Science

    1. A ball is thrown 15 m/s at an angle of 60. How high does the ball go? 2. A ball rolls off a table going 8 m/s. If the table is 1.8 m tall, how far away does the ball land?

    asked by Boberto
  77. Science

    An object mass m1 falls from a height of h1. a. Write a formula for the velocity of the object just before it stikes the ground in terms of g,m1,and h1. b. Write a formula for the velocity of the object at the half way point in terms of g,m1, and h1.

    asked by Boberto
  78. maths

    show that 0.227272727272727 can written as a 3/11?

    asked by maryam
  79. science

    this is a follow up question from my last one with the exact question If you dissolve 200 g of salt in 20 l of water, what is the density of that solution of salty water? Hint: In this particular example, assume that the total volume doesn’t change when

    asked by dean
  80. maths

    solve: x^3.5=41.15

    asked by Gabby
  81. mathematics

    ABCD is a rectangle AC is diagonal.find the angles of triangleACD.Give Reasons.

    asked by Sai manogna
  82. mathematics

    220by538(67289)+-57866

    asked by Sai manogna
  83. Sunshine school ibadan

    Define table laying and state the importance of table laying

    asked by akinkugbe kola
  84. science

    What is the momentum of a 20.0 kg scooter traveling a 5.00 m/s?

    asked by rhonda
  85. math

    Simplify (5x+3)+(8x+1) (5x)+(8x)= 13x^2 (5x)+(1)=5x (3)+(8x)=11x (3)+(1)=4 =13x^2+5x+11x+4 =13x^2+16x+4 Is this right or wrong?

    asked by Sarah
  86. History

    What are the preconditions for industrialization

    asked by Anonymous
  87. Geography

    The United States and Canada share many geographic features, including the Great Lakes, the Rocky Mountains, and

    asked by Savanna Reed
  88. History

    On one of my assignments it says to create a bubble chart that represents and explains the characteristics of 19th century capitalism and to provide examples Should i just make a bubble chart graphic organizer with a circle in the middle and other circles

    asked by Anonymous
  89. Math

    Write the equation of the line in the indicated form that meets each criterion below. A. A line with a slope of -2/3 and a y-intercept of 4; in slope-intercept form B. A line with a y-intercept of – 2 and an x-intercept of 3; in standard form C. A line

    asked by timmy
  90. math

    Simplify (5x+3)+(8x+1) (5x)+(8x)= 13x^2 (5x)+(1)=5x (3)+(8x)=11x (3)+(1)=4 =13x^2+5x+11x+4 =13x^2+16x+4 Is this right or wrong? Simplify (2t^2-3t)-(7t^2-5t) = (2t^2)-(7t^2)=-5t = (2t^2)-(-5t)= 7t =(-3t)-(7t^2)=-10t =(-3t)-(-5t)=2t =-5t+7t-10t+2t I am

    asked by Sarah
  91. english

    what type of figurative language is in these lines, 1.And the air was stifling sweet 2.With the breath of any flowers,----

    asked by rhonda
  92. MATH

    What is the relation between the y intercepts of x=3 and y=x-1? A- x=3 is greater (the y intercept) B- y=x-1 is greater (the y intercept) C- same y intercept D- relation cannot be determined I think it is either A or D, not sure. Thank you!

    asked by NACY
  93. english

    what is the best paraphase of these lines. #1 A saturated meadow, #2 Than the trees around were tall:

    asked by rhonda
  94. Maths

    The sum to infinity of a convergent is series is 243.The sum of the first five terms 242.Determine the values of the common ratio and the first term

    asked by Nonkululeko
  95. Algebra I

    Determine whether the equation y=2x^4-8x+6 has a graph that is symmetric with respect to the​ y-axis, the​ x-axis, the​ origin, or none of these

    asked by Marie
  96. math

    Given the function f(x) = 5(x+4) − 6, solve for the inverse function when x = 19. I believe the answer is 1 A 1 B 68 C 72 D 84

    asked by Dhruv Patel
  97. Algebra 2

    Given that f(x) = x^2 + 3x + 6 and g(x) = the quantity of x minus three, over two, solve for f(g(x)) when x = 1. A -1 B 0 C 3 D 4 I say it is 4. Not sure though.

    asked by Larry Page
  98. MAthematicas

    What can you tell about the slopes of x=1 and 2x+3 A- 2x+3 is larger slope B- x=1 is larger slope C- can not be determined D- same slopes I think it is c. Not sure though

    asked by Davis Liu
  99. PHYSICS

    An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 6.2 N ; a second force has a magnitude of 5.0 N and points in the negative y direction Find the magnitude

    asked by AMY
  100. math

    364 divided by 6 the answer has to be in a fraction

    asked by danielle
  101. math help now plez

    unit2 lessonn9 Which image is a reflection of the figure shown over the given line of reflection?

    asked by by felisha
  102. Physics help please

    excited by the in class experiments you put two speakers in your living room 80cm apart producing a sound of 750Hz. 4.0 m away you place a microphone right on the centerline between the speakers. Will the microphone detect a loud sound or a soft on at this

    asked by Naida
  103. science

    why is the use of fossil fuels not a long term solution to the worlds energy needs.

    asked by Rhonda