In an exam a student required 40% of total marks to pass. If Rupa gets 185 marks and fails by 15 marks , find the total marks?

 How are algebraic expressions useful in our daily life

A number is as much greater than 17 as it is less than 47. find the number

a circular flower bed is surrounded by a path 4m wide. the diameter of the flower bed is 66m. what is the area of the path?

What is Monomial Binomial Trinomial Expressions ?

A  man travelled 3/5 of his journey by train, 1/4 by a taxi , 1/8 by a bus and the remaining 8 km on foot. what is the total length of his journey

Six times the cost price of a notebook is equal to five times the selling price of the notebook.  If the selling price is Rs 10 more than the cost price find both the Cost Price and the Selling Price.

A total of Rs 20,000 is to be distributed among 100 persons as Prizes. A Prize is either Rs 100/- or Rs 500/-.  Find the number of each type of prizes

simplify combining like terms - p-(p-q)-q-(q-p)

a cat and a mouse together weigh 10kg

a dog and a mouse together weigh 20kg

a dog and a cat together wiegh 24kg

HOW MANY KGS DO THEY ALL WEIGH TOGETHER?

what must be added to x3 -3x2-12x+19 so that the result is exactly divisible by x2+x-6

3a-2b-ab-(a-b+ab)+3ab+b-a simplify combining like terms

A sum Amounts to Rs 1326 in 6 years at 5% per annum. In What time will this sum double itself at the same rate of intrest?

reena is6 years older than her brother ajay. the sum of their ages is 28 years. what are their present ages

I need the answer soon

There was in the forest an old peepal tree

the grand tree has branches ten and three

on each branch there lived birds fourteen

sparrows brown, crows black and parrots green

twice as many as the parrots were the crows

and twice as many as the crows were the sparrows

we wonder how many birds of each kind

are you going to help us find ?

What is the numerical coefficient of x in the expression -2xy?

 how do u multiply a monomial with a bionomial ? explain?

I have some five-rupee coins and some two-rupee coins. The number of

How can i factorise:-6ab-b²+12ac - 2bc

x plus 7

is binomial; monomial; trinomial

21b-32+7b-20b simplify combining like terms

at a cricket test match 2/7 of the spectators were in a covered place while 15000 were in open.find the total number of spectators.

How many coins are there in a sack of 5 rupee coins if it weighs 18 kg , 54kg , 4500g , 2kg and 250g? One coin of 5 rupee weighs 9g.Tell these answers respectively.

find the number which when divided by 4 gets decreased by 27

(i) Identify the terms and their factors in the following expressions

Show the terms and factors by tree diagrams.

(a) x − 3 (b) 1 + x + x² (c) y − y³

(d) (e) − ab + 2b² − 3a²

(ii) Identify terms and factors in the expressions given below:

(a) − 4x + 5 (b) − 4x + 5y (c) 5y + 3y²

(d) (e) pq + q

(f) 1.2 ab − 2.4 b + 3.6 a (g)

(h) 0.1p² + 0.2 q²

3a-2b-ab-(a-b+ab}+3ab+b-a 

If z = 10 , find the value of z3 - 3( z - 10)

 how will 7th standard math papers be ?

Hi Merit Nation Experts ,

I have asked some regarding my doubts so please can you answer them because ill be having 

my 2nd term examination this march so please answer my question as soon as possible !!

here are the question i asked so please answer as soon as possible! 

IS   7 x 2 y  + 12 x 2 y  WHEN TAKEN TO LIKE TERMS CHANGED TO

 (7 + 12) x 2 y

Could you please tell me what are 

monomials, binomials and trinomials. And what is polynomials?

Thanks!

Regards 

Chris 

application of algebra in daily life

Ramu's father is four times as old as Ramu.After 16 years,he will be just twice his son. find their present age.

Add:

3mn,-5mn,8mn,-4mn

how to combine like and unlike terms

Ramu's father is four times as old as Ramu. After 16 years,he will be just twice his son. find their present age.

 Why do we have to change the sign in case of subtraction? Is this necessary ?

define expression.

(a) Identify terms which contain x and give the coefficient of x.

(i) y²x + y (ii) 13y²− 8yx (iii) x + y + 2

(iv) 5 + z + zx (v) 1 + x+ xy (vi) 12xy² + 25

(vii) 7x + xy²

(b) Identify terms which contain y² and give the coefficient of y².

(i) 8 − xy² (ii) 5y² + 7x (iii) 2x²y −15xy² + 7y²

in a rectangle ABCD ,prove that triangle ACB congruent to triangle CAD

Simplify combining like terms:

(i) 21b − 32 + 7b − 20b

(ii) − z² + 13z² − 5z + 7z³ − 15z

(iii) p − (p − q) − q − (q − p)

(iv) 3a − 2b − ab − (a − b + ab) + 3ab + b − a

(v) 5x²y − 5x² + 3y x² − 3y² + x² − y² + 8xy² −3y²

(vi) (3 y² + 5y − 4) − (8y − y² − 4)

  subtract

  b(5-a)-a(b-5)

what is a coefficient ?

Rahul wanted to find the height of a tree in his garden. He checked the ratio of his