Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

27/x-2+31/y+3=85,31/x-2+27/y+3=89
Asked by amarsgosavi | 28 Apr, 2019, 10:50: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator 27 over denominator straight x minus 2 end fraction plus fraction numerator 31 over denominator straight y plus 3 end fraction equals 85 fraction numerator 31 over denominator straight x minus 2 end fraction plus fraction numerator 27 over denominator straight y plus 3 end fraction equals 89 Let space fraction numerator 1 over denominator straight x minus 2 end fraction equals straight X space and space fraction numerator 1 over denominator straight y plus 3 end fraction equals straight Y 27 straight X plus 31 straight Y equals 85.... left parenthesis straight i right parenthesis 31 straight X plus 27 straight Y equals 89.... left parenthesis ii right parenthesis Adding space left parenthesis straight i right parenthesis space and space left parenthesis ii right parenthesis straight X plus straight Y equals 3..... left parenthesis iii right parenthesis Subtracting space left parenthesis ii right parenthesis space from space left parenthesis straight i right parenthesis minus straight X plus straight Y equals negative 1.... left parenthesis iv right parenthesis Solving space left parenthesis iii right parenthesis space and space left parenthesis iv right parenthesis space we space get space straight X equals 2 space and space straight Y equals 1 fraction numerator begin display style 1 end style over denominator begin display style straight x minus 2 end style end fraction equals straight X space and space fraction numerator begin display style 1 end style over denominator begin display style straight y plus 3 end style end fraction equals straight Y fraction numerator begin display style 1 end style over denominator begin display style straight x minus 2 end style end fraction equals 2 space and space fraction numerator begin display style 1 end style over denominator begin display style straight y plus 3 end style end fraction equals 1 Solving space these space euqations space we space get space straight x equals 5 over 2 space and space straight y equals negative 2 end style
Answered by Sneha shidid | 29 Apr, 2019, 09:42: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 10 - Maths
Present age of 'A' is 4 years less than that of 'B'. Age of 'C', 4 years hence from now will be 60% more than the age of 'B', 4 years ago from now. Find the present average age of 'A' and 'B' together if the sum of present age of 'A' and 'C' is 48 years.
Asked by jhajuhi19 | 01 Feb, 2024, 08:43: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Data given below is related to daily routine [study time (in hours), entertainment time (in hours) and rest time (in hours)] of three students A, B and C.    Daily routine (24 hours) = Study time + Entertainment time + Rest time   A's study time is 1 hour less than B's study time and A's rest time is 7 hours more than his entertainment time. Ratio of A's entertainment time to B's entertainment time is 1: 2. Average of study time of A, B and C is 6 hours. Average of rest time of A and B is 9 hours. Ratio of C's entertainment time to his rest time is 4: 3.   If B's study and entertainment time is m% more than C's study and entertainment time together, then find that B's study and entertainment time together is what percent more than A's study and entertainment time together?
question image
Asked by jhajuhi19 | 31 Jan, 2024, 11:21: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
the numerator of fractions is 4 less than the denominator. if the numerator is decreased by 2 and the denominator is increased by 1 , then the denominator is 8 times the numerator. find the fraction.
Asked by am.mansi628 | 29 Nov, 2023, 05:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
solve this
question image
Asked by simmysingh1aug | 21 Sep, 2023, 01:48: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
M alone a work comppet in 50 days the same work N complet in 100 days then they both are complet 25 days then what percent work the total work will be completed
question image
Asked by bhaveskumar9938 | 08 Jul, 2023, 05:40: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
maths
question image
Asked by krishpatel20108 | 01 Jan, 2023, 07:56: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
worksheet 1 question 1
question image
Asked by bhawnabansal47809 | 01 Jun, 2022, 07:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
exceeds it's bredth by 3m
Asked by preetijain4723 | 27 Apr, 2022, 09:48: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
pls solve this math doubt
question image
Asked by dhruvdilipschool | 07 Mar, 2022, 11:37: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
A and B together can do a piece of work in n days while B alone can finish in it m days.work done by A in 1 days is   
Asked by Senorita | 30 Dec, 2021, 11:23: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×