# Monika

Popular questions and responses by Monika

2. ## linear systems

This system has one solution. y=8x−14 y=x^2+4x−10 What is the y-coordinate of the solution?

3. ## math

Chalk contains 3 percent carbon 10 percent calcium and oxygen find the amount in grams of each of these substances in 1 kg

4. ## Physics ib

What is the way to set up an electric circuit with a filament lamp, switch, battery, ohmmeter, voltmeter and variable resistor as to have the most optimal measurement for the current and voltage?

5. ## CHEMISTRY

The temperature at which molarity of pure water is equal to its molality

6. ## Chem

A newly discovered element, Mysternium (Atomic symbol My) has two isotopes and an average atomic mass of 296.7286 amu. One of the isotopes, My-296 has a natural abundance of 61.528% and has a mass value of 295.9064 amu. What is the mass of the second

7. ## General chem

How many electrons can have the quantum numbers n=4; l=2; ml=2 in an atom?

8. ## Chemistry

a solution contains an unkown amount of dissolved magnesium, addition odf 0.0877 mol of Na2CO3 causes complete precipitation of all the magnesium. what is the mass of magnesium was dissovled in the solution? you must write a balanced equation for the

9. ## physics

A skier skis down a 25 m high frictionless ski slope. How fast will she be moving at the bottom of the slope if: A) She starts from rest at the top B) She starts out with a velocity of 10 m/s

10. ## physics

A skier skis down a 25 m high frictionless ski slope. How fast will she be moving at the bottom of the slope if: A) She starts from rest at the top B) She starts out with a velocity of 10 m/s

11. ## mathematics

The basic wage earned by a truck driver for a 40 hr work week is \$560.00. A)Calculate his hourly rate. Is the ans \$14 per hour 2) For overtime work, the driver is paid one and a half time the basic hourly rate. B)Calculate his overtime wage for 10 hrs of

12. ## Chemistry

The pH of an arterial blood sample is 7.15. Upon acidification of 10 ml of the plasma 5.91ml of CO2 is produced at standard temperature and presure. Calculate: a) total CO2 in the specimen b) the individual concentration of disolved CO2(H2CO3) and HCO3- c)

13. ## Maths

Show that each and every number is a rational number

14. ## math- trig

What would be the 2 solutions to this equation? sinx(tanx) + tanx = sqrt(3)(sinx) + sqrt(3) I know that "x = pi/3 +pi k" is one, but I need help finding the other. Cheers

15. ## Math - Trigonometry

In order to prevent confusion that may be caused by reading this problem written through keyboard text, I have written the identity in microsoft paint here: gyazo. com/3afe07a6067e467d3776dd8b64ccac91 I need to find three different ways (Different meaning

16. ## Math - Trigonomotry

Hello! In order to prevent confusion that may be caused by reading this problem written through keyboard text, I have written the identity in microsoft paint here: gyazo. com/d4529f091e5ba75c09a9a283201504d2 I need to find three different ways (Different

17. ## maths

f(x)=x^2+3x+1,g(x)=2x-3, find fog and gog

18. ## chemistry

The H3O+ ion concentration in water is 1/10000000 molar.The degree of ionisation of H2O is? If given molarity of pure water is 55.5Molar.

19. ## Math- 2 questions!

1. To __________ means to cut into 2 congruent parts A. intersect B. bisect** C. construct D. divide I think B 2. Which tool is not needed to construct a perpendicular bisector? A. compass B. pencil C. protractor** D. straightedge I think C Please check!!

20. ## English

you should pay your taxes regularly (rewrite the sentence. using 'have got to'

21. ## Chemistry

500 g of Fe reacted with water to yield 4.2 g of H2. Fe3O4 was also produced in the reaction. What is the %yield of H2?

22. ## college physics

A 49-kg lead ball is dropped from the leaning tower of Pisa. The tower is 54 m high. (a) How far does the ball fall in the first 2.4 seconds of flight? (b) What is the speed of the ball after it has traveled 4.1 m downward? (c) What is the speed of the

23. ## Physics

How much energy (in MeV) is released in the reaction proton + deuteron goes to 3He + gamma? (You may ignore the initial kinetic energy of the reactants.) For the purposes of this problem, use the following masses (in MeV/c2): Proton: 938.783263054 Neutron:

24. ## Physics

How much energy (in MeV) is released in the reaction proton + deuteron goes to 3He + gamma? (You may ignore the initial kinetic energy of the reactants.) For the purposes of this problem, use the following masses (in MeV/c2): Proton: 938.783263054 Neutron:

25. ## Physics

Consider an interstellar spaceship powered by matter-antimatter reactions. The energy resulting from the matter-antimatter reactions is ejected from the exhaust as electromagnetic radiation producing thrust. The design goal is to have the thrust produce an

26. ## science

If your weight is 60 N on earths surface how far should you go from the centre of earth so that your weight will be 300 N ?(radius of earth is 4.4*10^6 m)

27. ## chemistry

How do you make 300 ml of a 2M solution from a 50 M stock solution?

28. ## Visual Basic intro to Programming

What is the difference between the If Then ElseIF clause and a Nested If Block? Please provide examples of how you would use each.

29. ## Physics

A 700 KG horse is pulling a sled at a velocity of 3.5 m/s. If the horse's power output is 746 watts, the force exerted on the sled is?

30. ## windows xp

David, a graphic designer working for a small Internet firm, wants to use his own legacy scanner with a new Windows XP Professional system. A Standard PC HAL was installed during the machine build process. David’s computer is a member of the corporate

31. ## Physics

A 0.25 mass is located on the outer edge of a wheel of radius 0.75 m that is turning at a rate of 2 revs/s. Determine the following: 1) The period of the mass 2) The angular speed of the mass in rad/s c) The tangential speed of the mass d) The centripetal

32. ## college

How will employees in the medical office have to be trained regarding privacy(for example, who is responsible for training and record keeping)? What is required if an employee doesnt follow the privacy policy? When must employees be trained? In what

1. ## physics

What is sqrt

posted on January 4, 2020
2. ## science

An empty density bottle weights 25g. When completely filled with water. It weighs 55g and when completely filled with a liquid. It weighs 52g. Calculate I. volume of the density bottle and II. density of liquid

posted on July 1, 2019

I actually AGREE with Lynn. Even though Lynn guessed, her answer is actually CORRECT!!!!

posted on April 16, 2018
4. ## Math

155

posted on January 13, 2018
5. ## Chemistry to DrBob

calculate percentage of water in Na2co3 . H2O

posted on June 18, 2017
6. ## Physics

a car with mass mass of 1875 is traveling along a countr

posted on June 24, 2016
7. ## MATH Prob.

99degree

posted on April 21, 2016
8. ## Math word problem

12 and a half

posted on May 21, 2015
9. ## Math word problem

12

posted on May 21, 2015

1529,tens 2,

posted on April 3, 2015
11. ## Chemistry

How would i go about finding the theoretical yield of Fe3O4? Would I just plug in one of those numbers into the % yield equation?

posted on September 27, 2014
12. ## maths

let the CP of the articles be 100 MP of the articles=100+20% of 100=120 total cpf x articles =100x Let No,of artiles be x SP of 3/5 of x=120 total SP of 3/5th articles=120*3/5*x=72x SP of remaining articles: Remaining aricles=1-3/5=2/5 SP of 2/5 of x=

posted on August 22, 2014
13. ## Chem

Thank you. I was so confused on what to do.

posted on April 19, 2013
14. ## chemistry

Thanks

posted on February 4, 2013
15. ## Physics

This is the same question that HAS is using. I'm happy that I'm not the only one who needs help with it.

posted on January 21, 2013
16. ## Geography.../what does this mean?

"the earth's physical landscape is the result of conflict between forces" explain what this means.

posted on October 7, 2012
17. ## Economics

a) 1=-8/2=-1/3=6/4=19/5=21/6=21/7=19 maximizing profit is at a quantity of 5 or 6 b) MR: 0,8,8,8,8,8,8,8 MC: 1,1,1,2,6,8,10 Profit maximizing point at 6 because there MC equals MR. c) the firm is in a competitive industry because price stays the same

posted on November 6, 2011
18. ## geometry

how di find perimeter of the triangle in terms of x one side is 5, secod side is 4x, and the third side is x-3 will u please help me any one. thanks

posted on September 20, 2011
19. ## Chemistry

i don't understand the P2 and T2 part with the STP

posted on March 6, 2008