# homework

Popular questions and responses by homework
1. ## 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

2. ## 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.

3. ## 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?

4. ## 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

5. ## chemistry

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

6. ## science

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

7. ## 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.

8. ## Hybrid

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

9. ## 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

10. ## 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

11. ## 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?

12. ## 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

13. ## 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

14. ## 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

15. ## 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.

16. ## 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?

17. ## 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)

18. ## math

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

19. ## 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?

20. ## chemistry

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

21. ## chemistry

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

22. ## physics

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

23. ## physics

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

24. ## biology

what does an inhibitory interneuron do?

25. ## english

what verb tense is "having spent"

26. ## 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?

27. ## biology

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

28. ## biology

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

29. ## biology

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

30. ## 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?

31. ## 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?

32. ## 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?

34. ## english

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

35. ## physics

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

36. ## english

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

37. ## english

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

38. ## english

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

39. ## chemistry

how many g/ml are there in 1M?

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

41. ## science

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

42. ## 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

43. ## 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?

44. ## 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.

1. ## Math

Now im pretty sure the teachers google this crap

posted on September 21, 2018
2. ## Math

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

posted on November 15, 2017
3. ## 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
4. ## science

posted on March 22, 2015
5. ## social studies

posted on March 21, 2015
6. ## Math

Sorry cannot solve it - too hard

posted on November 18, 2014