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Anii
Subject: Math
, asked on 23/5/18
Please help me....
Q.
There are wo classrooms A and B. If 15 students are sent from A to B, then the number of students in each classroom will be same. If 5 students are sent from B to A, then the number or students in A will be the double the number students of in B. Represent this information algebrically.
Answer
1
Diksha .
Subject: Math
, asked on 22/5/18
7x-15y=2
x-2y=3
I got the value of
x=41
y=19
ARE THESE VALUES CORRECT ?
Answer
2
Kehkashan
Subject: Math
, asked on 21/5/18
Answer please
$\mathit{Q}\mathbf{.}Solvebysubstitutionmethod.\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\sqrt{2}x-\sqrt{3}y=0\phantom{\rule{0ex}{0ex}}\sqrt{5}x-\sqrt{2}y=0$
Answer
1
Kehkashan
Subject: Math
, asked on 21/5/18
Solve the equation 10x+3y=75 and 6x-5y=11
Answer
6
Kehkashan
Subject: Math
, asked on 21/5/18
Solve the equation 10x+3y=75 6x-5y=11
Answer
3
Aryan
Subject: Math
, asked on 21/5/18
I didn't understand
elimination
method
Answer
1
Srishti Sinha
Subject: Math
, asked on 21/5/18
Solve:2x-y=4
Y-z=6
X-z=10
Give explanation to solve these kind of equations
Answer
1
Poonam Koijam
Subject: Math
, asked on 21/5/18
$12)3x-\frac{y+7}{11}+2=10\phantom{\rule{0ex}{0ex}}3x+14y=65\phantom{\rule{0ex}{0ex}}Hencefindthevalueof\frac{x}{y}$
Answer
2
Sms
Subject: Math
, asked on 20/5/18
Please solve the 3rd and the 4th one.
2.
Find the value of a and b for which each of the following systems of linear equations has a infinte number of solutions :
$3.2x+3y=7;\left(a+b+1\right)x+\left(a+2b+2\right)y=4\left(a+b\right)+1.\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}4.2x+3y=7;a\left(x+y\right)-b\left(x-y\right)=3a+b-2\phantom{\rule{0ex}{0ex}}$
Answer
1
Siddharth
Subject: Math
, asked on 19/5/18
Pls tell question no 12,13,24,25,26,27,28
Q.12 If
$\mathrm{\alpha}\mathrm{and}\mathrm{\beta}$
are the zeroes Of the polynomial
$\mathrm{p}\left(\mathrm{x}\right)={\mathrm{x}}^{2}-\mathrm{a}\left(\mathrm{x}+1\right)-\mathrm{b}\mathrm{such}\mathrm{that}\left(\mathrm{\alpha}+1\right)\left(\mathrm{\beta}+1\right)=0$
then find value Of b. .
$\mathrm{Q}13.\mathrm{If}\mathrm{\alpha}\mathrm{\beta}\mathrm{are}\mathrm{the}\mathrm{zeros}\mathrm{of}\mathrm{the}\mathrm{poynomial}{\mathrm{x}}^{2}-\left(\mathrm{k}+6\right)\mathrm{x}+2\left(2\mathrm{k}-1\right).\mathrm{Find}\mathrm{k}\mathrm{if}\mathrm{\alpha}+\mathrm{\beta}=1/2\mathrm{\alpha \beta}$
Q. 14. If (x+p) is a factor of the polynomial 2x
^{2}
+2px+5x+10 find p
Answer
3
Mohd Anas Khan
Subject: Math
, asked on 18/5/18
Answer 3 questions
Answer
1
Harshit Singh Avengers
Subject: Math
, asked on 18/5/18
solve this by substitution method
3x - y=3
9x - 3y=9
Answer
3
Vidhi Nimje
Subject: Math
, asked on 18/5/18
solve 3x+5y=12 and 5x+4y=14 by elimination method
Answer
9
Abhishek Kaushik
Subject: Math
, asked on 17/5/18
2x/a+y/b=2
x/a-y/b=4
solve by sustitution method
Answer
1
Neha
Subject: Math
, asked on 17/5/18
Solve this:
14. For what values of a and b, will be the following pair of linear equations have infinitely many solutions?
2y + x = 1; (a - b) y = a + b - 2
Answer
1
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Q.There are wo classrooms A and B. If 15 students are sent from A to B, then the number of students in each classroom will be same. If 5 students are sent from B to A, then the number or students in A will be the double the number students of in B. Represent this information algebrically.x-2y=3

I got the value of

x=41

y=19

ARE THESE VALUES CORRECT ?

$\mathit{Q}\mathbf{.}Solvebysubstitutionmethod.\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\sqrt{2}x-\sqrt{3}y=0\phantom{\rule{0ex}{0ex}}\sqrt{5}x-\sqrt{2}y=0$

elimination

method

Y-z=6

X-z=10

Give explanation to solve these kind of equations

2.Find the value of a and b for which each of the following systems of linear equations has a infinte number of solutions :$3.2x+3y=7;\left(a+b+1\right)x+\left(a+2b+2\right)y=4\left(a+b\right)+1.\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}4.2x+3y=7;a\left(x+y\right)-b\left(x-y\right)=3a+b-2\phantom{\rule{0ex}{0ex}}$

Q.12 If $\mathrm{\alpha}\mathrm{and}\mathrm{\beta}$ are the zeroes Of the polynomial $\mathrm{p}\left(\mathrm{x}\right)={\mathrm{x}}^{2}-\mathrm{a}\left(\mathrm{x}+1\right)-\mathrm{b}\mathrm{such}\mathrm{that}\left(\mathrm{\alpha}+1\right)\left(\mathrm{\beta}+1\right)=0$ then find value Of b. .

$\mathrm{Q}13.\mathrm{If}\mathrm{\alpha}\mathrm{\beta}\mathrm{are}\mathrm{the}\mathrm{zeros}\mathrm{of}\mathrm{the}\mathrm{poynomial}{\mathrm{x}}^{2}-\left(\mathrm{k}+6\right)\mathrm{x}+2\left(2\mathrm{k}-1\right).\mathrm{Find}\mathrm{k}\mathrm{if}\mathrm{\alpha}+\mathrm{\beta}=1/2\mathrm{\alpha \beta}$

Q. 14. If (x+p) is a factor of the polynomial 2x

^{2}+2px+5x+10 find p3x - y=3

9x - 3y=9

x/a-y/b=4

solve by sustitution method

14. For what values of a and b, will be the following pair of linear equations have infinitely many solutions?

2y + x = 1; (a - b) y = a + b - 2