# Questions Asked onJuly 20, 2020

1. ## Mathematics

How many 2/3 foot pieces can Wendy cut from the 5 1/3 feet of ribbon

2. ## Trigonometry

a 18 foot ladder is placed against a building so the angle between the ground and the ladder is 82 degrees. how high does the ladder reach on the building?

3. ## Mathematics

The vertical angle of a cone is 70° and its height is 11cm. Calculate the slant height of the cone ( correct to the nearest whole number).

4. ## Mathematics

A rope is wound 50 times around a cylinder of radius25cm.how long is the rope(use the value 3.14 for pie

5. ## Probability

Two cards are drawn at random from an ordinary deck of 52 playing cards. What is the probability of getting two faces if: a) the first card is replaced before the second card is drawn? b) the first card is not replaced before the second card is drawn?

6. ## Maths

The charge for electricity consumption (E) is partly constant and partly varies as the number of (N) units used. The charge for 163 units is #453.8 while the charge for 42 units is #139.20. Calculate the charge per unit of electricity and obtain a formulae

7. ## mathematics

Tony purchases a machine on 8 September 2019 with a list price of RM 8400. The trade discount given is 10% while the cash discount terms are 4/15, n/30. He then sells the machine and makes a gross profit of 25% of the selling price. The operating expenses

8. ## Mathematics

David is 2years older than John who is 7years older than Paul . Their combined age is 61 years . How old is each of them

9. ## mathematics

Differentiate implicitly (a) x^3+y^3=27xy

10. ## physics

A PV system is to be installed on a flat roof in Naples (Italy). The area of the roof that can be utilized for installing the PV system is 12x13 [m2] . The roof is oriented such that the sides are parallel to the East-West and North-South directions,

11. ## Math

George had \$120 to buy new baseball equipment. He spent a third his money on a glove, a fourth of his money on a bat, a sixth of his money on a cap and the remaining money on baseballs. How much money did he spend on each item?

12. ## Mathematics

A cyclist start from a point X and rides 5km due East to a point Y.It changes direction and rides 8km South_East to a point Z.How far is he from the starting point correct to the nearest km.(2)Find the bearing of Z from X to the nearest degree.

13. ## Biology

recombinant DNA involves 1) changing the dna, 2) cloning sperm cells, 3) transferring plasmids from one bacterium to another 4) transferring dna from one virus to another

14. ## Physics

A ball of mass 0.100 kg is thrown into the air with a speed of 6.0 m/s and from a height of 2.0m. What is the mechanical energy of the ball when it has a height of 5.0 m.

15. ## math

How do I divide (12x^3 +2y)/(2x+4y^3)?

16. ## math

How do I solve 6yx^2 +y-x-2xy^2?

4kg 5gm =

18. ## Physics

What forces act on the puck as it skids across the ice

19. ## Art

Why is it harder to find examples of 3D art rather than 2D art in early human history?

20. ## English

Why african slaughter should not be allowed in suburbs

21. ## math

There are six bags, each with the same number of gold pieces. One-third of the bags have a total of 24 gold pieces. What is the total number of pieces of gold in all six bags?

Give your opinion on the following: I agree that codification makes it easier and quicker when it comes to researching topics. Codification has organized thousands of GAAP pronouncements into four primary groupings that include presentation, financial

23. ## Math

Johnny had a jar fill of 5,000 pieces of candy. He ate 1/3 and gave 2/4 to his friends. How many pieces of candy does Johnny have left. Answer: 1/3 *5,000 + 2/4 * 5,000

24. ## mathematics

Differentiate lmplicitly x^2y^2-3xy+4xy^3=4

25. ## Math

Several games were played between two basketball teams: the Tigers and the Bears. The Tigers won the first game by two points. A total of 90 points was scored during the game. How many points did each team score?

26. ## math

A 3-m radius disk is rotating at 6 rad/sec. What is the linear speed of a point that lies on the circumference of the disk?

27. ## math

Raj has a card that he uses to buy lunch at school. Each day he spends the same amount.

28. ## Biology

what is a plamid made of Dna fragments Rna fragments Bacterial fragments enzyme

29. ## mathematics

An irrigation drip arm is 28 feet long and pivots about a center one revolution each hour. A “drip hole” H is located 28 feet from the pivot point. (a) What is the linear speed of H in units of feet/hour ,feet/minute ,feet/second , and inches/second .

30. ## Mathematics

A box with an open top is been constructed from a piece of cardboard that is 4m wide by cutting a out a square from each side of that corner and bending up the side . Find the maximum volume

31. ## English

This grosses to around 363,000 tonnes across all charity shops in the UK; based on 2010 landfill tax value at £48 per tonne, the value of textiles reused or passed for recycling by charity shops in terms of savings in landfill tax is £17,424,000 p.a.

32. ## mathematics

how can u determine solutions to a quadratic function once the equation is arranged into standard form

33. ## Calculus

Find the intervals of increase and decrease algebraically for: Y = −4x³+15x²+ 18x + 3

34. ## physics

The total daily energy consumption of the DC appliances is 400 [Wh⋅d−1] and the total daily energy consumption of the AC appliances is 450 [Wh⋅d−1]. assuming an inverter efficiency equal to 90%, what is the total daily energy demand on the PV panel

35. ## Physics

What does the slope of a force verse displacement graph represent? More specifically what does a slope of 0 mean in a force verse displacement graph?