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Step-by-step explanation:
(1)
a- iv
b- iii
c- iii
d- ii
e- iii
(2)
a - closure
b- commutative
c- associative
d- additive identity
(3)
a- 6
b- 5
c- (-9)
d- (-8)
e- 7
f- (-8)
(4)
a- (3 and -8)
b- (7 and -7)
c- (1 and -1)
d- (-8 and 2)
e- (7 and -7)
f- (-5 and -3)
(5)
Sum of scores of shreya = -50 + 40 + 0 = -10
Sum of scores of neha = 30 + 0 + -50 = -20
=> -10 > -20
Thus, Shreya scored more than neha
(6)
According to the question:
x - (-9) = -1
=> x + 9 = -1
=> x = -1-9
=> x = -10
Answered by
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Answer:
(1)
a- iv
b- iii
c- iii
d- ii
e- iii
(2)
a - closure
b- commutative
c- associative
d- additive identity
(3)
a- 6
b- 5
c- (-9)
d- (-8)
e- 7
f- (-8)
(4)
a- (3 and -8)
b- (7 and -7)
c- (1 and -1)
d- (-8 and 2)
e- (7 and -7)
f- (-5 and -3)
(5)
Sum of scores of shreya = -50 + 40 + 0 = -10
Sum of scores of neha = 30 + 0 + -50 = -20
=> -10 > -20
Thus, Shreya scored more than neha
(6)
According to the question:
x - (-9) = -1
=> x + 9 = -1
=> x = -1-9
=> x = -10
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