# Hanu

Most popular questions and responses by Hanu
1. ## Math

800 people will attend a concert if tickets cost \$20 each. Attendance will decrease by 30 people for each \$1 increase in the price. The concert promoters need to make a minimum of \$12 800. What is the range of ticket prices the concert promoters can charge

2. ## Pre-Calculus

How to solve this problem by using logarithm: David inherits \$10000 and invests in a Guaranteed Investment Certificate (GIC) that earns 6%, compounded semi-annually. How long will it take for the GIC to be worth \$11000.

3. ## earth

a space traveller determines the radius of a planet to be half of earth . After landing on its surface , he finds the acceleration due to gravity to be twice of that of surface of earth. Find the ratio of mass of planet to the earth

4. ## Pre-Calculus

Solve sin (pi/4(x-6))=0.5, 0

5. ## Physics

A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s, at which time he catches up with the speeder. a) How fast was the policeman travelling in m/s? b) How fast is the police car

6. ## Math

A young Colorado spruce tree is growing at a rate of 20 cm per year. Currently, it is 244 cm tall. A 300 cm tall white spruce tree is growing at a rate of 12 m per year. In how many years will the two trees be the same height? Solve algebraically

7. ## Math

a young Colorado spruce tree is growing at a rate of 20 cm per year. Currently, it is 244 cm tall. A 300 cm tall white spruce tree is growing at a rate of 12 m per year. In how many years will the two trees be the same height? Solve algebraically

8. ## Pre-Calculus

Here is correct question: Solve sin (pi/4*(x-6))=0.5, 0

9. ## Physics

A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s, at which time he catches up with the speeder. a) How fast was the policeman travelling in m/s? b) How fast is the police car

10. ## Physics

a) Why are there no units attached to values of μ? b)A force of 120 N is needed to push a box along a level road at a steady speed. If the force of gravity on the box is 250 N, what is the coefficient of kinetic friction between the box and the road?

11. ## Physics

(a) A 10 kg box of candy rests on a floor with a coefficient of static friction of 0.30. What force is needed to move the box? b) What is the coefficient of kinetic friction between a rubber tire and the road if a 2000 kg car needs 1.57 × 104 N to keep

12. ## Physics

A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s, at which time he catches up with the speeder. a) How fast was the policeman travelling in m/s? b) How fast is the police car

13. ## Math

Factor 3x^2-16X+K and find the value of K.

14. ## Physics

a) The coefficient of kinetic friction between a steel block and an ice rink surface is 0.0100. If a force of 24.5 N keeps the steel block moving at a steady speed, what is the force of gravity on the block? b)A copper block has dimensions 1 cm × 2 cm ×

15. ## Physics

a) What is the total force of friction on a wagon’s wheels if it takes 30 N to move it at a constant speed across a bumpy path? b) Where on a bicycle do you want to reduce friction? How is this done? c What is meant by the coefficient of kinetic

16. ## Physics

A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s, at which time he catches up with the speeder. a) How fast was the policeman travelling in m/s? b) How fast is the police car

17. ## Math

Factor 3x^2-16X+K and find the value of K.

18. ## Math

A conical paper cup for holding popcorn has a radius of 3 in. and height of 6 in. How much paper, to the nearest square inch, is used to make the cup?

19. ## Math

A conical paper cup for holding popcorn has a radius of 3 in. and height of 6 in. How much paper, to the nearest square inch, is used to make the cup?

20. ## Math

simplify using the exponent law. express your answer using positive exponents only. (x^2)^3(2x^3)^-3/(4x)^2

21. ## Pre Calculus

Determine an approximate solution to the inequality 2^x=x^2.

22. ## Pre Calculus

Solve the inequality sinx>square root x.

23. ## Physics

A 48 N cart is pulled across a concrete path at a constant speed. A 42 N force is required to keep the cart moving. What is the coefficient of kinetic friction between the path and the cart?

24. ## Math

Given the graph of y = g(t), determine the value of t for which g(t) = −3 . Answer as an integer.

25. ## Math

A sheet music cabinet is 1.4m wide, 45 cm deep and 1.5m high. What is the surface area of the cabinet, not including the open front? Express your answer to the nearest tenth of a square metre.

26. ## Math

A sheet music cabinet is 1.4m wide, 45 cm deep and 1.5m high. What is the surface area of the cabinet, not including the open front? Express your answer to the nearest tenth of a square metre.

27. ## Math

Factor 15a^5-5a^2

28. ## Math

Simplify using the exponent law. Express your answer using positive exponents only. [4x^1/3]^1/2 [9x]^-3/2 / [27x]^-1/3

29. ## CHM

what is meant by the term "free calcium"?

30. ## Math

How can we factor trinomial: 36x^2+18x+0 Is thislike this: 18x(2x+1)

31. ## Math

Simplify 5^1/3 /2(3)^1/2 - 2^1/2

32. ## Math

Simplify 5^1/3 /2(3)^1/2 - 2^1/2

33. ## Charu

Simplify 8.3^1/2 /( 6^1/2 + 5^1/2)