Subject: Maths, asked on 1/5/18

## Solve this: Q.8. Solve : $\frac{1}{2\left(x+2y\right)}+\frac{5}{3\left(3x-2y\right)}=\frac{-3}{2}\phantom{\rule{0ex}{0ex}}\frac{5}{4\left(x+2y\right)}-\frac{3}{5\left(3x-2y\right)}=\frac{61}{60}$

Subject: Maths, asked on 1/5/18

## Answer 4th question Q.4. (solution, x = 4, y = 9)

Subject: Maths, asked on 30/4/18

## Solve the Q5 Q.5. Solve : ax - ay = 2 & (a - 1) x + (a + 1) y = 2 (${a}^{2}$ + 1) by te method of substitution.

Subject: Maths, asked on 30/4/18

## ax+b+by+a= a^2+b^2; x+y=2ab

Subject: Maths, asked on 30/4/18

## A boat goes 30km

Subject: Maths, asked on 30/4/18

## Answer the first question ​Q1. Determine 'a' & 'b' for which the system of equations has infinite solution : – 2x – (a –4) y = 2 b + 1                                                                                                                                   4x – (a – 1) y = 5 b –1 Q2. Determine the value of k so that the following linear equations have no solution : (3k + 1) x + 3y –2 = 0                                                                                                                                    (k2 + 1) x + (k –2) y –5 =0

Subject: Maths, asked on 29/4/18

## Draw the graph of the following pair of linear equations in two variable graphically. 1) 2x-3y+13=0, 3x-2y+12=0 2) 2x-y=2, 4x-2y=4 3) 2x+3y=4, 4x+6y=12 Observation: 1) Graph of the pair of equation 1=________lines, Solution: ________ 2) Graph of the pair of equation 2=________lines, Solution: ________ 3) Graph of the pair of linear equation 3= ________lines, Solution: ________

Subject: Maths, asked on 29/4/18

## Solve this: Q. Solve the following $\frac{5}{x-1}+\frac{1}{y-2}=2\phantom{\rule{0ex}{0ex}}\frac{6}{x-1}-\frac{3}{y-2}=1$

Subject: Maths, asked on 29/4/18

## Solve this: Q. If are the zeroes of the polynomial $2{x}^{2}-7x+5$ find the value of

Subject: Maths, asked on 29/4/18

Subject: Maths, asked on 28/4/18

## Why my question are not answered?pls tell

Subject: Maths, asked on 27/4/18

## Q. For what value of 'K' will the following pair of linear equations have infinitely many sol.       2x - 3y = 7(k + 1)x + (1 - 2k)y - 3 = 5k - 4

Subject: Maths, asked on 24/4/18

## Pls explain value of k ???: 1. Find the value of k for which the system of equations 2x +3y =8 and 3x -ky =4 is inconsistent. 2. If the sum of the zeroes of the quadratic polynomial kx2 -2x +3k is equal to their product, find the value of k.

Subject: Maths, asked on 24/4/18

## In a town of 20,000 families, it was found that 40% families buy newspaper P, 25% families buy newspaper Q and 10% buy newspaper R, 5% families buy P and Q, 3% families buy Q and R, 5% buy P and R. If 1% of the families buy all three papers. Find the number of families which buy 1. P only 2. Q only 3. None of P ,Q R

Subject: Maths, asked on 23/4/18

## If the smaller one divides three times the larger of two numbers, we get 4 as quotient and 3 as the remainder. Also, if seven times the smaller number is divided by the larger one, we get 5 as quotient and 1 as remainder. Find the numbers.  *pl.no substitute.

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