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Given `log_x 25 - log_x 5 = 2 - log_x (1/125)` ; find x.
Concept: undefined >> undefined
Given log x = 2m - n , log y = n - 2m and log z = 3m - 2n , find in terms of m and n, the value of log `(x^2y^3 ) /(z^4) `.
Concept: undefined >> undefined
The diagonals of a rectangle intersect each other at right angles. Prove that the rectangle is a square.
Concept: undefined >> undefined
Prove that the bisectors of interior angles of a parallelogram form a rectangle.
Concept: undefined >> undefined
Draw frequency polygons for each of the following frequency distribution:
(a) using histogram
(b) without using histogram
|
C.I |
10 - 30 |
30 - 50 |
50 - 70 | 70 - 90 | 90 - 110 | 110 - 130 | 130 - 150 |
| ƒ | 4 | 7 | 5 | 9 | 5 | 6 | 4 |
Concept: undefined >> undefined
Draw frequency polygons for each of the following frequency distribution:
(a) using histogram
(b) without using histogram
|
C.I |
5 -15 | 15 -25 | 25 -35 | 35 - 45 | 45-55 | 55-65 |
| ƒ | 8 | 16 | 18 | 14 | 8 | 2 |
Concept: undefined >> undefined
Construct a frequency polygon for the following data:
| Class-Intervals | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 |
| Frequency | 5 | 8 | 12 | 9 | 4 |
Concept: undefined >> undefined
Construct a combined histogram and frequency polygon for the following frequency distribution:
| Class-Intervals | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 | 50 - 60 |
| Frequency | 3 | 5 | 6 | 4 | 2 |
Concept: undefined >> undefined
The daily wages in a factory are distributed as follows:
|
Daily wages (in Rs.) |
125 - 175 |
175 - 225 |
225 - 275 |
275 - 325 |
325 - 375 |
|
Number of workers |
4 |
20 |
22 |
10 |
6 |
Draw a frequency polygon for this distribution.
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
x = 3
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
x + 3 = 0
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
x - 5 = 0
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
2x - 7 = 0
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
y = 4
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
y + 6 = 0
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
y - 2 = 0
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
3y + 5 = 0
Concept: undefined >> undefined
Draw the graph for the linear equation given below:
2y - 5 = 0
Concept: undefined >> undefined
