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ICSE Class 9 Answered

ch distance formula can u send the stems to do the sum in the file  
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Asked by v.venkateshalu | 09 Nov, 2020, 12:34: PM
answered-by-expert Expert Answer
To find the value of x if the distance between (4, 2) and (x, 6) is 5 units.
 
square root of open parentheses 4 minus straight x close parentheses squared plus open parentheses 2 minus 6 close parentheses squared end root equals 5 rightwards double arrow open parentheses 4 minus straight x close parentheses squared plus open parentheses 2 minus 6 close parentheses squared equals 25 rightwards double arrow 16 minus 8 straight x plus straight x squared plus 16 equals 25 rightwards double arrow 32 minus 8 straight x plus straight x squared equals 25 rightwards double arrow straight x squared minus 8 straight x plus 7 equals 0 rightwards double arrow open parentheses straight x minus 7 close parentheses open parentheses straight x minus 1 close parentheses equals 0 rightwards double arrow straight x equals 7 space or space 1
Answered by Renu Varma | 09 Nov, 2020, 01:06: PM

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ICSE 9 - Maths
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ICSE 9 - Maths
ch distance formula can u send the stems to do the sum in the file  
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Asked by v.venkateshalu | 09 Nov, 2020, 12:34: PM
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ICSE 9 - Maths
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The co-ordinates of points on the x-axis which are at a distance of 5 units from the point (6, -3). Find the points.
Asked by hammadwasim2008 | 07 Sep, 2020, 10:23: AM
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ICSE 9 - Maths
PQ is a straight line of 13 units. If P has the coordinates (-5,3) and Q has the coordinates (-7,y); find the values of'y'  
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Asked by ashwinipandey7355 | 06 Jan, 2020, 10:39: PM
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ICSE 9 - Maths
(PLEASE EXPLAIN THE CALCULATIONS STEP BY STEP).  Find the point on the y-axis whose distance from the points A(6,7) and B(4,-3) are in the ratio 1:2. 
Asked by anujbajpai44 | 04 Mar, 2018, 02:42: PM
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The centre of a circle is (2x-1,3x+1). Find x if the circle passes through (-3,-1) and the length of its diameter is 20 unit. (PLEASE EXPLAIN THE CALCULATIONS STEP BY STEP . I HAVE A DOUBT IN SOLVING THE QUADRATIC EQUATION ) 
Asked by anujbajpai44 | 04 Mar, 2018, 01:29: PM
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