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Byju's Answer
Standard VII
Mathematics
Value of an Algebraic Expression
What is x + y...
Question
What is x + y when x = -6 and y = -9?
A
-54
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B
54
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C
-15
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D
15
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Similar questions
Q.
Mark (✓) against the correct answer:
x and y vary inversely. When x = 15, then y = 6. What will be the value of y when x = 9?
(a) 10
(b) 15
(c) 54
(d) 135
Q.
If
y
is directly proportional to
x
and if
y
=
20
when
x
=
6
, what is the value of
y
when
x
=
9
?
Q.
If x and y vary inversly and x=15 when y= 6 , find y when x= 9 ?
Q.
If x and y vary inversely and x = 15 when y = 6, find y when x = 9.
Q.
y
varies directly with square root of
x
and
y
=
9
when
x
=
9
. Find the value of
x
when
y
=
6
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