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Using identities, evaluate.
asked
Jan 18, 2022
in
8th-maths
by
Simran
(
1.8k
points)
marks2
chapter9
#sub
0
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0
answers
Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given
asked
Jan 17, 2022
in
8th-maths
by
nikhil
(
1.8k
points)
marks3
chapter12
#mtf
0
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0
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Write. The rational number that does not have a
asked
Jan 17, 2022
in
8th-maths
by
nishit
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1.8k
points)
marks1
chapter1
#sub
0
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0
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The cost per head if two teachers are also going with the
asked
Jan 17, 2022
in
8th-maths
by
nikhil
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1.8k
points)
marks2
chapter8
#sub
0
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Subtract 4a – 7ab + 3b + 12 from 12a – 9ab + 5b –
asked
Jan 17, 2022
in
8th-maths
by
krutika
(
1.7k
points)
marks2
chapter9
#sub
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0
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Using Identity (II), find
asked
Jan 17, 2022
in
8th-maths
by
purvi
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1.8k
points)
marks2
chapter9
#sub
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0
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Evaluate. `3^(–2)`
asked
Jan 17, 2022
in
8th-maths
by
nikhil
(
1.8k
points)
marks1
chapter12
#sub
0
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0
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Evaluate. `(– 4)^(– 2)`
asked
Jan 17, 2022
in
8th-maths
by
Arun
(
1.7k
points)
marks1
chapter12
#sub
0
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0
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A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time the height of a pole which casts a shadow 5m
asked
Jan 17, 2022
in
8th-maths
by
nikhil
(
1.8k
points)
marks1
chapter13
#sub
0
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0
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If a box of sweets is divided among 24 children, they will get 5 sweets each. How many would each get, if the number of the children is reduced by
asked
Jan 17, 2022
in
8th-maths
by
nikhil
(
1.8k
points)
marks1
chapter13
#sub
0
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The distance between earth and sun is 150 million kilometres which can be written in exponential form as
asked
Jan 17, 2022
in
8th-maths
by
Arun
(
1.7k
points)
marks1
chapter8
#fib
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A car covers a distance in 40 minutes with an average speed of 60 km per hour. The average speed to cover the same distance in 30 minutes
asked
Jan 17, 2022
in
8th-maths
by
nikhil
(
1.8k
points)
marks1
chapter13
#mcq
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Subtract 4a – 7ab + 3b + 12 from 12a – 9ab + 5b –
asked
Jan 17, 2022
in
8th-maths
by
Arun
(
1.7k
points)
marks2
chapter9
#sub
0
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0
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- Simplify `a (a^2 + a + 1) + 5` and find its value for (i) a = 0, (ii) a = 1 (iii) a = –
asked
Jan 17, 2022
in
8th-maths
by
purvi
(
1.8k
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marks2
chapter9
#sub
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`329.25 = 3 xx 10^2 + 2 xx 10^1 + 9 xx 10^0 + 2 xx 10^–1 + 5 xx
asked
Jan 17, 2022
in
8th-maths
by
nikhil
(
1.8k
points)
marks1
chapter8
#tnf
0
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Special balances can weigh something as 0.00000001 gram. Express this number in the standard
asked
Jan 17, 2022
in
8th-maths
by
sumit
(
1.6k
points)
marks2
chapter8
#sub
0
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0
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If possible, find a hook-up of prime base number machine that will do the same work as the given stretching machine. Do not use `(xx 1)` machines.
asked
Jan 17, 2022
in
8th-maths
by
yogita
(
1.8k
points)
marks3
chapter8
#sub
0
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0
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A square sheet of paper is converted into a cylinder by rolling it along its side. What is the ratio of the base radius to the side of the
asked
Jan 17, 2022
in
8th-maths
by
yogita
(
1.8k
points)
marks3
chapter11
#sub
0
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0
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Find five rational numbers between 0 and
asked
Jan 18, 2022
in
8th-maths
by
vaibhav
(
1.7k
points)
marks2
chapter1
#sub
0
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0
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A skirt that is `35 7/8cm` long has a hem of `3 1/8cm`. How long will the skirt be if the hem is let
asked
Jan 18, 2022
in
8th-maths
by
krutika
(
1.7k
points)
marks3
chapter1
#sub
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