Most popular questions and responses by sunday

    mandy can buy 4 container of yogurt and 3 boxes of crackers for $9.55. she can buy 2 containers of yogurt and 2 boxes of crackers for $5.90. How much does one box of crackers cost? Answer: $2.25 Equations 4x + 3y = $9.55 2x + 2y = $5.90 Can anyone just

    asked on March 1, 2017
  2. MOMETRIX TEAS 6 practice

    On a floor plan drawn at a scale of 1:100, the area of a rectangular room is 30cm^2. What is the actual area of the room? Answer: 30 m^2 Just need help understanding the concept and putting it all together. I can't grasp it very well from the book. Please

    asked on March 1, 2017
  3. Chemistry

    For melting point determination, what is the optimum rate of heating near the melting point? What are the problems, if the rate of heating is too slow or fast?

    asked on January 24, 2013
  4. geometric progretion

    the 6 term of a G.p is 2000 find its first term if its ratio is 10

    asked on October 29, 2014
  5. English

    Which if the following sentences is punctuated correctly? a) A carpenter must use certain tools, hammers, saws, chisels, to finish a job. b) A carpenter must use certain tools- hammers, saws, chisels to finish a job. c) A carpenter must use certain tools

    asked on April 16, 2017
  6. Science

    A truck is moving north at a speed of 70 km/h. The exhause pipe above the truck cab seeds out a tail of smoke that makes an angle of 20 degree east of south behind the truck. If the wind is flowing directly towards the east. What is the speed at that

    asked on March 5, 2019
  7. physics

    Find the resultant of two vectors 7N and 8N inclined at an angle of 65 degree to each other

    asked on October 14, 2011
  8. Geography


    asked on March 21, 2019
  9. Math

    Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30 degrees and 45 degrees respectively. If the lighthouse is 100m high, the distance btn the ship is?

    asked on November 8, 2015
  10. math

    Evaluate (2sinx)(3sinx) (6cosx)(cosx)

    asked on March 10, 2015
  11. science

    1 A ……... is a rectangular array of numbers that are enclosed within a bracket . horizontal set vertical matrix 2 When the numbers of rows is equal to the numbers of columns equal to 'n'. Where m=n. Then is called….. a square matrix a column

    asked on March 15, 2014
  12. physics

    Astronauts visiting Planet X have a 2.6 -long string whose mass is 5.0g . They tie the string to a support, stretch it horizontally over a pulley 1.8m away, and hang a 1.8kg mass on the free end. Then the astronauts begin to excite standing waves on the

    asked on February 3, 2015
  13. Mathematics

    Compare and constract the gradient of a line and a curve

    asked on January 26, 2015
  14. science

    the 6 term of a G.P is 2000 its common ratio is 10 find the first term?

    asked on October 29, 2014
  15. home economics

    comprehensive history of home economics (Broken Link Removed)

    asked on August 6, 2006
  16. physical sciences

    Calculate the mass in kilograms of one atom of ununhexium

    asked on February 14, 2016
  17. Math

    Simplify the following expression as far as possible. 1. 9x - 2x .2. -3y - 30y . .3. 2a - 9a

    asked on November 10, 2012
  18. physic

    A resultant force of 200N act on a body of mass 100kg for ss what is the impulse of the force on the body.

    asked on January 24, 2016
  19. US History

    Rhode Island abstained from attending the Constitutional Convention because they did not believe in the the process. Then how did they feel about the Constitution?

    asked on November 11, 2008
  20. ATI TEAS 6 practice

    Solve the equation below for x. What is the solution set? 5(x-2)^2=125 Answer : x=-3 or x=7 I know I need to do factoring, just forget how to set it up. I also can't figure out where this -20x+20 came from. Thanks for the assistance.

    asked on March 7, 2017
  21. science

    1 What is a set of real or complex numbers or elements arranged in rows or columns to form a rectangular array. set matrix determinant real numbers 2 If A.x= λx ,where A= ∣∣∣∣211232−212∣∣∣∣ ,determine the eigen values of the matrix A,

    asked on March 15, 2014
  22. math

    30% of 80 show work

    asked on January 24, 2012
  1. Science

    Solutions. Showing all the working

    posted on March 5, 2019
  2. Physics

    I need the answer

    posted on September 13, 2018
  3. Statistics


    posted on May 3, 2018
  4. maths

    I don't know how to get the answer

    posted on June 18, 2017
  5. MOMETRIX TEAS 6 practice

    Thanks Bob

    posted on March 3, 2017

    Because there are two equations, perhaps?

    posted on March 1, 2017

    Why am I multiplying the second equation by 2?

    posted on March 1, 2017

    Thank you Damon

    posted on March 1, 2017
  9. physics

    COMPONENTS OF VECTORS Vectors are not given all the time in the four directions. For doing calculation more simple sometimes we need to show vectors as in the X, -X and Y, -Y components. components of vector For example, look at the vector given below, it

    posted on September 3, 2012