Ask a Doubt
Request a call back

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

CBSE Class 7 Answered

162 * (-92)-(-162) * (-5) - 162 * 3      solve this using distributive property if * is an operation such that for integers a and b we have a *b = (-a) + (-b) -4,then find: answer for     (-4) * (-1)  and answer for        (-5) * (6)
Asked by mailsarannimms | 23 Apr, 2019, 08:46: PM
answered-by-expert Expert Answer
asterisk times space i s space d e f i n e d space a s space a asterisk times b equals left parenthesis negative a right parenthesis plus left parenthesis negative b right parenthesis minus 4 U sin g space a b o v e space d e f i n t i o n space o f space b i n a r y space o p e r a t i o n space asterisk times space t o space f i n d space left parenthesis i right parenthesis space left parenthesis negative 4 right parenthesis asterisk times left parenthesis negative 1 right parenthesis space a n d space left parenthesis i i right parenthesis space left parenthesis negative 5 right parenthesis asterisk times left parenthesis 6 right parenthesis left parenthesis i right parenthesis left parenthesis negative 4 right parenthesis asterisk times left parenthesis negative 1 right parenthesis equals negative left parenthesis negative 4 right parenthesis plus left parenthesis negative left parenthesis negative 1 right parenthesis right parenthesis minus 4 equals 4 plus 1 minus 4 equals 1 left parenthesis i i right parenthesis left parenthesis negative 5 right parenthesis asterisk times left parenthesis 6 right parenthesis equals negative left parenthesis negative 5 right parenthesis plus left parenthesis negative 6 right parenthesis minus 4 equals 5 minus 6 minus 4 equals negative 5
Answered by Renu Varma | 24 Apr, 2019, 10:07: AM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 7 - Maths
find x if 9- 5 and 7 by 8 is equal to x-1/8
question image
Asked by shouryavijay0020012 | 17 Apr, 2024, 03:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
an aeroplane was flying at a height of 1800 m if decent at rate of 60 m per minute how long it will take to decent at height of 300 m
Asked by archanansingh89 | 14 Apr, 2024, 03:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
(-3)×(-12)÷(-4)+3×6
Asked by pakshat261 | 14 Apr, 2024, 01:27: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
starting from (-1)×5, write various products showing some pattern to show (-1)×(-1)= 1
Asked by dineshsinghdhan9 | 11 Apr, 2024, 11:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
6. In an examination for each correct answer 5 marks is awareded and for each wrong   answer (-2) is awarde(ii) Jaya answered all the questions. But she could answer only 5 questions correctly and obtained (-6). How many questions were answered incorrectly by them.d.
Asked by nabamallikasaikia346 | 11 Apr, 2024, 08:45: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
write a pair of negative integers whose difference gives 8
Asked by bpadhee | 08 Apr, 2024, 08:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
verify a×(b×c)=(a×b)×c when a = 12 , b =-10 and c = - 5
Asked by nutansharma22011 | 08 Apr, 2024, 06:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
(-25)×7
Asked by narendrasgl222 | 07 Apr, 2024, 02:11: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
p=250000,R=10p.c.p.a.,T=5years,I=?
question image
Asked by kumbharbabu63 | 06 Apr, 2024, 12:08: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 7 - Maths
(-7) × 4
Asked by yananya782 | 05 Apr, 2024, 08:34: PM
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
×