# Maths

3. ### jason went shopping,

he bought a watch and a pair of trainers for a total price of £53.55, this price includes a 15%loyalty discount. before the discount the trainers were priced at £38 work out the price of the watch before the discount

4. ### A uniform cylindrical container is half filled with water. The height of the

cylinder is twice its diameter. The cylinder is gradually tilted until the water touches the brim. At this instant, the container is inclined at which angle: 1.30 2.45 3.60 4.75

6. ### We have Rs.100/-.If we spend Rs.100/-and balance is Rs.102/-,show how is Rs.2/-extra

Spent Balance Day 1 Rs 40 Rs 60 Day 2 Rs 30 Rs 30 Day 3 Rs 18 Rs 12 Day 4 Rs 12 Rs 00 -------- -------- Total Rs 100 Rs102......?

9. ### solve in simultaneous method

a+2b=13 2a-3b=5

10. ### Amita wants to make a mold for a candle. She wants the shape of the candle to be rectangular prism with a volume of exactly 28 cubic cm.

The answer for this question is given as 10 molds. Can you explain in detail how the answer is 10 to better understand.

14. ### A speed camera takes two photographs of a car.Photo 2 was taken 0.5 seconds after Photo 1.Marks on the road are 0.8 meters apart.Calculate the average speed of the car in m/s?

7.2 m/s but when i submit answer i get 2 marks only not full 3 marks what am I

circle

19. ### If the lcm of first 20 natural no.

is x then find the lcm of first 25 natural no.

20. ### An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle. The total distance covered in the 4 sec is

1. 4 m 2. 2 m 3. 2 pie m 4. 4 pie m

25. ### A sector of a circle of radius 7cm subtending an angle of 270 degree at centre of the circle is use to form a cone?

(A)find the base radius of the cone. (B)calculate the area of the base of the cone.

28. ### Solve the following equations

4x – 3 = 3x + y = 2y + 5x – 12

29. ### What's the loan + interest for the following

1. 500naira for two weeks at 100naira per week. 2. 2000naira for 3weeks at 1naira in each 10naira per week

31. ### Helen has some black tiles, some white tiles and some grey tiles. She places a single row of

8 tiles above her washbasin. Each tile she places is equally likely to be black, white or grey. Find the probability that there are no tiles of the same color next

32. ### Let r'(t) represent the rate of growth of a dog in pounds per year. What does r(t) represent?

What does integral of 2 to 6 r'(t) represent about the dog?

33. ### A committee of 6 people is to be selected randomly from a group of 11 men and 12 women. Find the number of possible committees if:

a) a particular woman is included b) a particular man is not included c) there are to be 4 women and 2 men

34. ### The slope of a curve is equal to y divided by 4 more than x2 at any point (x, y) on the curve.

A. Find a differential equation describing this curve. B. Solve the differential equation from part A. C. Suppose it’s known that as x goes to infinity on the

37. ### Akwasi spent 1/6 of his pocket money on food,3/5 of the remaining on transportation and 1/12 of what still remains on sweet.If he still had Gh22 left.a.Find his pocket money.

b.how much did he spend on food. c.how much did he spend on transportation.

38. ### Nine cards are numbered 1, 2, 2, 3, 3, 4, 6, 6, 6.Three of the nine cards are chosen and placed in a line, making a 3-digit number. Find how

many different numbers can be made in this way if the number is between 200 and 300. Tell me answer in terms of

46. ### In a box of chocolates,

•one-fifth are plain chocolate •one-sixth are white chocolate •the other 38 are milk chocolate. How many chocolates are there in the box?

52. ### If the sum of the G.P is 63.5 except for the first term,

sum is 127 except the last one, and the sum is 31.5 except the first two terms, then the number of terms in GP Is

58. ### X is partly constant and partly varies as y.when y=2,x=30,and when y=6,x=50.

A.Find the relationship between x and y. B.Find x when y =3

60. ### The first 2 values in ascending power of x in the expansion of (1+x) (2-x/4)^n are p+qx^2.Find the values of n,p,q.

👍 0 👎 0 👁 31 asked by Raj today at 12:10pm (2 - x/4)^n = 2^n - n*2^(n-1) * (x/4) + n(n-1)/2 * 2^(n-2) * (x/4)^2 - ... = 2^n -

76. ### Change these fractions to twentieths and then arrange them in order of size, smallest first.

7/20 2/5 3/4 7/10

78. ### A circus artist drops a ball from a high wire. The ball takes 1.5 seconds to reach the ground.

I) Find the height of the ball above the ground. II) How fast is the ball moving as it hits the ground? Write an expression for the speed of the ball t seconds

84. ### 2,x,y are the first three terms of an arithmetic sequence.If the 2nd term is decreased by 1.The three terms will form a geometric sequence.calculate x and y

and my working out is that if i said x-1

87. ### An aeroplane flies from a town x on a bearing of N45°E o another town y,a distance of 200km.it then changes course and flies to another town zon a bearing of s60°e.if z is directly east of x,calculate to correct 3significant figures,

A.the distance of x

88. ### 3. Which of the following examples would show a negative trend?

A) height and weight of students B) test scores and height of students C) outside temperature and heating bill D) none of these 4. The scatter plot below shows the relationship between the time

89. ### The bearing of A from B is 060 degrees. What is the bearing of B from A?

Is it: a) 60 degrees b) 240 degrees c) 120 degrees d) 200 degrees p.s. The questions I sent earlier was an acccident To get reciprocal bearings, add 180 Thanks bobpursley

93. ### A closed tin is in the shape of a cylinder of diameter 10cm and height 15cm. Use the value 3.14 for pier to find

A.the total surface area B.the value of the tin to the r=nearest 10naira,if tin plate cost #4500 per m2

96. ### A curve is such that dy/dx = 2- 8(3x+4)^-1/2

- A point P moves along the curve in such a way that the x-coordinates is increasing at a constant rate of 0.3 units per second. Find the rate of change of the y-coordinates as P crosses at the y-axis.

98. ### A map uses a scale of 1:100 000.

If a road is 15 km long, how long will it be on the map?

100. ### A flat rectangular roof measures 7.5m by 4m,12mm of rain falls on the roof.

(a)find the volume of water on the roof.express your answer in centi-cubic metre and cubic metre. (b)find the mass of water that falls on the roof if 1centi-cubic metre of water has