Questions Asked on
July 20, 2020

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

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?

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).

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

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?

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

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

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

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

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 EastWest and NorthSouth directions,

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?

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.

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

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.

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

math
How do I solve 6yx^2 +yx2xy^2?

maths
4kg 5gm =

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

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

English
Why african slaughter should not be allowed in suburbs

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

business
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

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

mathematics
Differentiate lmplicitly x^2y^23xy+4xy^3=4

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?

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

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

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

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 .

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

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.

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

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

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

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?