# somay

Most popular questions and responses by somay
1. ## physics

An object weighs 0.25N in air and 0.01N when immersed in water. Calculate (a) its relative density (b) its apparent weight in a liquid of density 800kgm^-3

2. ## physics

The horizontal door of a substance at a depth of 500m has an area of 0.4m^2 . Calculate the force exerted by the sea water on the door at this depth.

3. ## maths

If it takes five men six hours to dig seven holes, how long does it take one man to dig half a hole?

4. ## physics

An object weighs 0.25N in air and 0.01N when immersed in water. Calculate (a) its relative density (b) its apparent weight in a liquid of density 800kgm^-3

5. ## maths

A man drives from ibadan to Oyo, a distance of 48km in 45 minutes. If he drives at 72km/h where the surface is good and 48km/h where it is bad, find the number of kilometres of good surface.

6. ## math

A, B, C are three points on a horizontal plane, where A is due south of B. The bearing of C from A is 060 degrees. At B, there is a vertical mast BD. The angles of elevation of its top D from A and C are 25 degrees and 20 degrees respectively. Find the

7. ## Variation

The distance D covered by a falling ball varies as the square of the time take T, calculate the distance when the time taken is 13 seconds and the time taken for a distance of 648m.

8. ## physics

A bullet of mass 12 g is fired horizontally into a fixed wooden block with a speed of 20m/s. The bullet is brought to rest in the block in 0.1 seconds by a costant resistance. Calculate the (i) magnitude of the resistance (ii) distance moved by the bullet

9. ## physics

A body is in equilibrium when three forces act on it. Two of the forces are F1 of magnitude 8N acting due east and F2 which is 5N acting N 60degree E. Find the magnitude and direction of the third force.

10. ## physics

A ball of mass 100 g travelling with a velocity of 100 m/s collides with another ball of mass 400 g moving at 50 m/s in the same direction. If they stick together, calculate: (i) their common velocity (ii) loss of enery and hence state the type collision

11. ## physics

A body is in equilibrium when three forces act on it. Two of the forces are F1 of magnitude 8N acting due east and F2 which is 5N acting N 60degree E. Find the magnitude and direction of the third force.

12. ## math

when viewed from a point P, due north of a tall building, the angle of elevation of the top of the building is 40 degree ; when viewed from a point Q due east of the building, the angle of elevation is 35 degree. If the distance PQ is 120m, find the height

13. ## Health Science

Please help me. (2) Discus the following diseases under the following - heading) i. Causative agent ii. Method of transmision iii. Signs and symptoms iv. Control and prevent. 1-Gonorrhae 2- HIV and AIDS 3- syphiles.

14. ## Health Science

1a) What are controceptive b) Name six types of controceptive c) Name 10 diseases associated with the reproduction system. Please help me

15. ## maths

what is the four digit number which satisfies these conditions; The last digit is twice the first digit. The second digit is twice the third digit. The sum of the first and last digits is twice the third digit.

16. ## maths

A group of children share a box of 60 sweets equally.If each child were to receive one sweet fewer,there would be enough sweets left over for two more children to receive the same number as each child in the group originally received.how many children are

17. ## logic

I HAVE A FRIEND WHO LIVES IN ENGLAND HE USUALLY SITS BETWEEN TWO MAT AND HE WENT FOR AN ICS EXAM WHO IS MY FRIEND?

18. ## logic

Which room has no window or door and no man can live in it?

19. ## math

OT is a vertical mast of height h. From A, a m due south of O, the angle of elevation of T is 30 degree. If B is a point 2a m from A, on a bearing of 060 degree, find the angle of elevation of T from B.

20. ## Algebra

\$ 3420 Is To Be Shared Btw Two Ppl. But One Of The Two Must Have 28% Morethan The Other, How The Sharing Would Be Made Then?

21. ## math

If f(x)=6x^3 - ax^2 + bx + c when a, b and c are constant when f(x) is divided by x^2 - 4 the remainder is 23x - 26. When f(x) divided by (x + 3) the remainder is -220. Find: (A) the value of a, b and c (B) the solution of the equation f(x)=0

22. ## maths

What number of which the square of its half is equal to the number with its digits reversed?

23. ## English

Which word in the dictionary is spelt Incorrectly?

24. ## math.

1 is 3, 2 is 3, 3 is 4, 4 is 4 and 5 is 4. How can this possible?(explain the rule)

25. ## maths

A farmer has 23 ears and he uses a deer to transport them to the store house. If the deer carry three ears a day to the store house, how many days will it take to carry them to the store house?

26. ## math

The mean of the scores of three students in a class is 9. If the modal score is 11, find the lowest score.

27. ## math

A trader bought 30 baskets of potatoes and 100 baskets of oranges for \$2450. She sold the potatoes at a profit of 40% and the oranges at a profit of 30%. If her profit on the entire transaction was \$855, calculate the: 1) Cost price for a basket of potato;

28. ## Calculus

Differentiate with respect to x 1/sin x

30. ## math

TRY THIS EXPONENTIAL EQUATION 4(2^Xsquare)=8^X

31. ## math

find the value of x in the exponent below. 4(2^x)=8^x

32. ## maths

0/0=? it is equal to zero or infinity?

33. ## Health Science

(3) Write in full (i) H.I.V -Aids (ii) F.G.M

34. ## functions

If f(x)=6x^3 - ax^2 + bx + c when a, b and c are constant when f(x) is divided by x^2 - 4 the remainder is 23x - 26. When f(x) divided by (x +3) the remainder is -220. Find: (A) the value of a, b and c (B) the solution of the equation f (x)=0

35. ## maths

Five years ago Kate was five times as old as her son. Five years hence her age will be eight lessthan three times the corresponding age of her son. Find their present ages.

36. ## maths

solve the simultaneous equation 1/y + 1/x =5 .......(i ) 1/x - 1/y =1 ........(i i )

37. ## math

1 is 3, 2 is 3, 3 is 4, 4 is 4 and 5 is 4. How can this possible?(explain the rule)

38. ## math

If the sides of a triangle are 4p, 5p and 6p, calculate the size of the lagest angle.

39. ## math

From A, due east of the building, the angle of elevation of the top is 45 degree. From B, southwest of the building, the angle of elevation is 30 degree. If AB=250m, find the height of the building.

1. ## math

please Steve help me. I need the steps on how to get the answer

posted on November 29, 2016
2. ## math

pls steve! Help me, i need the solution on how to solve this type of question.

posted on November 29, 2016
3. ## math

thank you very much steve!

posted on November 24, 2016
4. ## math

pls help me i'm so confuse with the second part.

posted on November 24, 2016
5. ## Calculus

Thank you very much Reiny. I was so confused but i have understand from your solution

posted on July 18, 2016
6. ## math

yeah! Thanks so much steve

posted on June 22, 2016
7. ## math

thanks very much

posted on June 22, 2016
8. ## physics

thank you sir. May God bless you.

posted on June 14, 2016
9. ## physics

thank you sir. May God bless you

posted on June 14, 2016
10. ## Health Science

Thank you sir, May God bless you.

posted on June 12, 2016
11. ## Health Science

Thank you may God bless you Sir.

posted on June 12, 2016
12. ## physics

wow! it's great! Thank you somuch AMELIA. But please help me with the meaning of ki and kf

posted on May 16, 2016
13. ## physics

it's great thank you Damon

posted on May 13, 2016
14. ## physics

thank you bobpursley

posted on May 13, 2016
15. ## math

Y = - 6x - 5

posted on May 13, 2016
16. ## physics

great! Thank you bobpursley

posted on May 13, 2016
17. ## functions

thank you steve! But how to find the value of a and c?

posted on May 9, 2016
18. ## Math

how!

posted on May 5, 2016
19. ## maths

thank you, but where do you get 75 hr?

posted on April 26, 2016
20. ## maths

thanks to all, God bless you

posted on April 25, 2016
21. ## English

great! Thank you

posted on April 17, 2016
22. ## logic

great! Thank you

posted on April 17, 2016
23. ## math.

great! thank you Steve.

posted on April 15, 2016
24. ## maths

ok thank you. God blss you

posted on April 7, 2016
25. ## maths

thank you verymuch. But how 3a=6?

posted on April 7, 2016
26. ## math

that's great Reiny, you are perfectly correct. Thank you somuch

posted on January 27, 2016
27. ## math

note: AB=2a m, AO=a m,OB=? And angle OAB=60 degree

posted on January 27, 2016
28. ## math

oh okay. Thank you jolly, that's great.

posted on January 26, 2016
29. ## math

okay that's great. Steve thanks a lot

posted on January 26, 2016
30. ## math

jolly am still lost, pls direct me sir.

posted on January 26, 2016
31. ## math

steve you are perfectly crrct. Thank you sir

posted on January 25, 2016
32. ## math

jolly rancher, you are correct sir. Thank you sir

posted on January 25, 2016