Find out the area of the circle, Mathematics

1. The number of accidents attended to by 6 emergency ambulance stations during a 5 month period was:

Station May June July Aug Sep

     A        21     20     22    37    37

     B        32     33     30    52    38

     C        36     36     38    48    33

     D        31     32     34    37   36

     E        26     26     25    29   22

     F         34    38      36    47   36

i. What was the percentage increase (rounded to the nearest whole number) in the number of emergencies attended during September compared to May for all of the stations combined?

ii. What was the approximate average increase in the number of emergencies attended to by all stations in August compared to July?

iii. If based on the September figures the statistics for the month of October show that the number of emergencies attended to by station D and F have increased by 25% and the number attended to by station B has decreased by 16%, what would be the difference in the total number of emergencies attended by these three stations in October compared with September?

2. The sources of income (displayed as percentages) of 5 Australian Universities in 1 year were as follows:

Source                      A     B     C     D     E

Public Funds             48    46    54    46    58

Research Contracts  21    16     20   19    16

Investments             16    10     12   19    10

Conferences              8     14      9     6      5

Vacation Lettings      4      8       3     7      6

Donations                 3      6       2     3       5

i. Which 2 universities received the same proportion of their income from public funds and research contracts combined?

ii. Which University received the greatest proportion of its total income from research contracts, investments and vacation lettings combined?

3. What is the missing number?

            45/9 = 12 - ?

4. (2x + 5)(x - 7) =

5. W = s3t2 : If s = -2 and t = 4, then W =

6. Reduce this fraction : 5b2xz/40b3xy

7. A circle has a diameter of 8 cm. If π = 22/7, what is the area of the circle? (to 1 decimal place)

8. If 8x = 512, then x =

9. In the right angled triangle ABC, where AB is the hypotenuse, the sine of angle ABC =

10.,If two aircraft started at the same time fly towards each other from bases 600 km apart, the first at an average ground speed of 200km per hour and the second at an average ground speed of 250km per hour, how many minutes will it take for them to meet?

11. If 3x = 81, what is the value of x?

12. Give the number that corresponds with the question mark (?) in the following

addition problem:

     6 8

+   7 ?

  1 ? 2

Posted Date: 3/7/2013 5:08:50 AM | Location : United States







Related Discussions:- Find out the area of the circle, Assignment Help, Ask Question on Find out the area of the circle, Get Answer, Expert's Help, Find out the area of the circle Discussions

Write discussion on Find out the area of the circle
Your posts are moderated
Related Questions
solve and graph the solution set 7x-4 > 5x + 0

How o make vicariate frequency distribution table

Given that f(x,y) = 3xy -  x 2 y  - xy 2 . Fi nd all the points on the surface z = f(x, y)where local maxima, local minima, or saddles occur

if the diametre of the cylinder is 3.6 foot and its length is4.6foot,then its dimension is?

performs the mentioned operation and write the answers in standard form. ( -4 + 7 i ) + (5 -10 i ) Solution Actually there isn't much to do here other than add or subt

What is the answer for I am greater than 30 and less than 40. The sum of my digits is less than 5.

Making Equally Sized Groups :  By the time children reach Class 1 or 2, they would have had many experiences of pairs of objects-pairs of shoes, pairs of eyes, ears, arms, legs, w

Consider an election with 721 voters. A) If there are 5 candidates, at least x votes are needed to have a plurality of the votes. Find x. B) Suppose that at least 73 votes are n

Vector Arithmetic In this part we need to have a brief discussion of vector arithmetic. Addition We will begin with addition of two vectors. Thus, given the vectors a

Distribution of Sample distribution or Sampling means A sample of size n is taken from the parent population and mean of the sample is estimated. It is repeated for a number o