# Questions Asked onJuly 8, 2017

1. ## math

7. Write an inequality to model the situation: The number n of people who attended the class was at least 8. n ≤ 8 n ≥ 8 n < 8 n > 8

2. ## physics

Robin Hood has to shoot an arrow at an apple that sits on a wall 400 meters away, at a height of 40 meters. He must shoot at an angle of 60 degrees. What must the initial velocity of the arrow be to hit the target? Assume he's shooting laying down on the

3. ## math

Encircle the greatest number in each set? (a) 41309,14903,19403,20403

4. ## Math

On a Science exam Rita answered 36 questions correctly and receive a score of 100% her friend answered 27 questions correctly what score did read her friend receive

5. ## Science

The no. of nitrogen atoms in Zn(NO3)2

6. ## Maths

The temperature dropped by 2 degrees an hour during the night. At midnight the temperature was 31 degrees. What was the temperature at 6a.m.

7. ## Maths

a rectangular tank measured internally is 2.5m long,1.5m wide and 0.8m high. how many litres of water are needed to fill the tank? the water in tank is transferred into small cylindrical tanks each of diamter 70cm and height 40 cm. find the number of

8. ## Maths

Prove that:Tanø+sinø/tanø-sinø=secø+1/secø-1

9. ## English

What do Poe's letters to John Allan reveal about himself? The self-expression and logic in Poe's letters is also evident in his literature. A: Poe was a wealthy man upon publication of his poetry and short stories B: Poe had a healthy close relationship

10. ## Math

One seat in an auditorium is broken. It is in the 3rd row from the front of the auditorium and in the 18th row from the back of the auditorium. There are 12 seats to its left and 17 seats to its right. If every row has the same number of seats, what is the

11. ## Grammar

The most important thing in my life are making money, traveling abroad and to live well. which used incorectly

12. ## calc

1.A norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window find the dimensions of a Norman window of maximum area when the total permeter is 16ft. 2. A rectangle is bounded by the x axis and the semicircle

13. ## Physics

If vector a and b are two non collinear unit vectors and |vector a+ vector b|=√3 then find the value of ( vector a- vector b).(2 vector a+ vector b)

14. ## science

A car of mass 1000 kg moving with the velocity of 40 kg per hour collide with a tree and comes to stop in five seconds.calculate the force exerted by the car on the tree.

15. ## math

Find the least and greatest possible original numbers: ROUNDED PLACE is Tens, ROUNDED NUMBER is 460. What is the Least number and the Greatest number?

17. ## Chemistry

In a qualitative analysis, the test for the presence of Cu^2+ ion is the formation of the bright blue complex ion Cu(NH3)42+. What is the equilibrium concentration of Cu2+ when 1.0 mL of 0.200 M Cu^2+ is combined with 1.0 mL of 15.0 M NH3? (Kf Cu(NH3)4^2+

19. ## Bps science

When electricity is passed through water hydrogen and Oxygen gas are found change. A change in the state of matter occurs. Is this a chemical or physical change.

21. ## Maths

A labourer is engaged for20 days on the condition that he will receive Rs.120 for eachday he works and will be finedRs.10 for eachfay he is absent.If he receibesRs.1880 in all,for how many days did he remain absent.

22. ## english

What is the appropriate citation method for your major or course of study? What have you learned about that citation methodology from Lesson Three of this course? Do you think you'll be able to use this citation method effectively to avoid plagiarism?

Marco collects baseball and football cards in his collection.He has 8 more baseball cards in his collection than football cards.If he has 88 cards in his collection, how many are football cards?

24. ## Math

y^4+16y^2-15=0

25. ## math

Is zero the smallest integer????

26. ## chemistry

AsH3 is more acidic than NH3 explane

27. ## I am in class7

Find the average of these scores with formula 89,90,95,72,83,100,94

28. ## Scince

What is matter?

29. ## Science

What is a cell wall?

30. ## Math

The absolute value of an integer is always greater than the integer

31. ## maths

simplify the following: A)2xplus4plus3plusx B)4yplus2c-3y

5a+6b=1

33. ## Math

5a+6b=1 , 3a-2b=5

34. ## general knowledge

what is the colour of water?

35. ## Maths

A labourer is engaged for20 days on the condition that he will receive Rs.120 for eachday he works and will be finedRs.10 for eachfay he is absent.If he receibesRs.1880 in all,for how many days did he remain absent.