homework

Newest questions and responses by homework

  1. geometry

    Determine whether the conjecture is true or false. If false, give a counterexample. Given: ∠A is supplementary to ∠B and ∠B is supplementary to ∠C. Conjecture: ∠A is supplementary to ∠C. Select one: a. False; they could be right angles. b.

    asked on June 15, 2018

  2. geometry

    The measures of two supplementary angles are 6y + 3 and 4y - 13. Find the measures of the angles. Select one: a. 117 and 63 b. 19 c. 63 and 27 d. 10 Two angles are complementary. One angle measures 26 degrees more than the other. Find the measure of the

    asked on June 12, 2018

  3. chemistry

    How do I know if this is spontaneous at 25 celsius and show work? PbCl2 --->(equilibrium)--->Pb2+ + 2Cl- a) when Pb2+=1M and Cl-=2M b) when Pb2+=1X10^-5 and Cl-=2X10^-5

    asked on April 22, 2018

  4. precalculus

    What's the polar equation of an ellipse given the eccentricity=1/2 directrix=y=? also how do i know if it is sin or cosine?

    asked on April 10, 2018

  5. chemistry

    What is the pH of a buffer solution that is prepared by treating 600.0 mL of 1.5 M sodium acetate with 240.0 mL of 0.25 M HCl? I tried everything, I have no clue how to start nor what to do; very lost

    asked on March 19, 2018

  7. chemistry

    Which of the following would for a buffer if added to 250.0 mL of .150 M SnF2? a).100 mol HCl b).060 mol HCl c).040 mol HCl d).040 mol NaOH e).040 mol HF

    asked on March 19, 2018

  8. chemistry

    How to find delta H using calorimetry?? I know the answer but I m having trouble getting there!? 5.5 grams of C2H6 are burned in a bomb calorimeter with the heat of 4.96kJ/degree Celsius and holds 1000g of H20. the change in temperature is 11.34 which i

    asked on December 18, 2017

  9. math ( help)

    If I told you a triangle with sides 45 cm, 60 cm, and 75 cm was a right triangle, how would you verify my statement? Develop an argument to convince yourself and your partner that my statement is correct.

    asked on December 4, 2017

  10. pre calc

    why does x^4+7 and x^4 have the same derivative, meaning can someone explain to me why they are both equal to the derivative 4x^3?

    asked on December 3, 2017

  11. Math

    Find the equation of a line with the given slope and passing through the given point, P. d) m = -1/2, P(-2,6)

    asked on November 15, 2017

  12. math

    Find their slopes and conclude whetever the lines are parallel, perpendicular or neither a) y = 3 x = - 2 b) y = -4 y = x

    asked on November 15, 2017

  13. chemistry

    If a container is heated with CaCO3, the compound decomposes into CaO and CO2. If the container and CaCO3 originally weigh 30.08g and loss 4.40g during the heat, what is the mass of the empty container?

    asked on October 2, 2017

  14. chemistry

    this is a C1V1=C2V2 type question: if a container has 100ml of 1.5M Br, what is the concentration in that container?

    asked on September 10, 2017

  15. chemistry

    How many sig figs do i write down for this: (2.06/5.999)+156.5?

    asked on September 10, 2017

  16. physics

    how do i find maximum height (meters) and initial velocity (m/s) if i have the time (seconds), horizontal range, and horizontal velocity

    asked on May 12, 2017

  18. physics

    how do i find the horizontal velocity (m/s) when i have the angle, the time, and horizontal range?

    asked on May 12, 2017

  19. biology

    what does an inhibitory interneuron do?

    asked on April 6, 2017

  20. english

    what verb tense is "having spent"

    asked on March 25, 2017

  21. physics

    How do you draw a force diagram for an object that is tied to a pole and is moving in a constant circular direction?

    asked on March 19, 2017

  22. biology

    Where is the spinal nerve and what is it made of?

    asked on March 16, 2017

  23. biology

    why does the knee jerk reflex work for someone with spinal cord injuries?

    asked on March 5, 2017

  24. biology

    why does the knee jerk reflex still work for people who have spinal cord injuries?

    asked on March 3, 2017

  25. biology

    how is the knee jerk reflex (like when a hammer hits the knee and the leg stretchs out) related to proprioception? if someone doesn't have proprioception why would their leg not move when it is hit by the hammer?

    asked on March 2, 2017

  26. biology

    would it be easier if someone who doesn't have proprioception to go to space and return back to earth to walk normally or would it be the same?

    asked on February 26, 2017

  27. biology

    If you were testing a reflex on your knee, why would that be slower than a conscious reflex (like if someone told you to grab something right when it falls) in your brain?

    asked on February 23, 2017

  29. english

    is "in" a linking verb?

    asked on February 14, 2017

  30. english

    how do you make this into an x bar tree: the boy sat quietly on the top of his bed

    asked on February 9, 2017

  31. physics

    if someone throws a .1kg ball at the speed of -25m/s, why is the average net force positive instead of negative?

    asked on February 9, 2017

  32. english

    what is the verb for this, "he should be more careful"

    asked on January 30, 2017

  33. english

    what is the verb in this sentence? "You can remove the bag."

    asked on January 30, 2017

  34. english

    what is the verb in this sentence? "You can remove the bag."

    asked on January 30, 2017

  35. chemistry

    how do you convert 7.5% w/v NaCI to mM

    asked on January 21, 2017

  36. science

    how can I convert 1% w/v to g/ml

    asked on January 15, 2017

  37. chemistry

    how many g/ml are there in 1M?

    asked on December 27, 2016

  38. Math

    A high school has 438 students, with about the same number of males as females. Describe a simulation to predict how many of the first 50 students who leave school at the end of the day are female.

    asked on May 10, 2016

  40. math

    For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels. How could you simulate choosing one box at random? Would you use the same simulation if you planned to put these coins in your

    asked on May 10, 2016

  41. science

    Determine graphically the equilibrant of two forces of 15N and 20N if the angle between them is 135degrees

    asked on February 14, 2016

  42. math

    3 apples plus 2 pears cost .78 but 2 apples and 3 pears cost .82. What is the cost of 1 apple and 1 pear?

    asked on October 26, 2015

  43. science

    1.why is freshwater a limited resource? a)because most water on earth is in lakes** b)because most water on earth is in clouds c)because most water on earth is in the ground d)because most water on earth is salt water

    asked on March 22, 2015

  44. social studies

    1.which of the following do historians not consider a legacy of the Byzantine Empire? a)Justinians code: an organazation of roman laws*** b)Eastern orthadox church: a combination of Eastern culture and christianity c)cyrillic alphabet: a combination of

    asked on March 21, 2015

  45. Social Studies

    !. how is the size of a legislative district determined A. by geographical boundaries B. by city limits *** C. by the apportioned population D. by county boundaries 2. the term bicameral legislature refers to two of what A. chambers of the General Assembly

    asked on February 20, 2015

  46. Math Help

    Use all digits in the box time to solve puzzle. 2, 9, 4, 3, 6, 7. Difference between these two numbers is 377. What are the numbers?

    asked on November 18, 2014

  47. Hybrid

    How to reduce global warming? One effect of global warming?one affect of reducing carbon dioxide production? Please help thanks. :)

    asked on April 11, 2011

  48. algebra

    Can someone tell me where I can get help to solve this or how to solve this? √(c^2 – d^2) * (c^2 – d^2) Thank you.

    asked on April 26, 2010

  1. Math

    Now im pretty sure the teachers google this crap

    posted on September 21, 2018

  3. Math

    Now im pretty sure the teachers google this crap

    posted on September 21, 2018

  4. Math

    I forgot it was m = -1/2 amd P(5,-2)

    posted on November 15, 2017

  5. Math

    For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels. How could you simulate choosing one box at random? Would you use the same simulation if you planned to put these coins in your

    posted on May 10, 2016

  6. science

    can someone please help me?

    posted on March 22, 2015

  7. social studies

    Can someone please help me?? thanks

    posted on March 21, 2015

  8. Math

    Sorry cannot solve it - too hard

    posted on November 18, 2014

  9. Hybrid

    Please help

    posted on April 11, 2011

  10. algebra

    Never mind, I figured it out.

    posted on April 26, 2010