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First multiply by 5 in equation second then we get 5 x + 5 Y = 20 now put the elimination method subtract equation first from second then we get - 3 x = 9 therefore the value of x is -3 put the value of x in second equation then we get the value of Y = 7

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find the sum of APs

Posted by Silky Konjengbam 4 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Kashish Chauhan 4 years, 3 months ago

Ap kha h

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Which of the following is not a quadratic equations A)-3x-x²=x²+5 B)-(x+2)²=2(x²-5) C)-(✓2x+3)²=2x²+6 D)-(x-1)²=3x²+x-2......

Posted by Aakanksha Gupta 4 years, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Upendra Singh 4 years, 3 months ago

C part of the question is not a quadratic eqation ok

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Shiva Devotee 4 years, 3 months ago

C part of the question is not a quadratic eqation

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Which of the following quadratic equations? A)- (x²+1)=(2-x)²+3 B)-x³-x²=(x-1)³ C)-2x³+3=(5+x)(2x-3) D)- None of these........

Posted by Aakanksha Gupta 4 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

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What is fundamental rights

Posted by Abhishek Kushwaha 4 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 4 years, 3 months ago

Fundamental rights are a group of rights that have been recognized by the Supreme Court as requiring a high degree of protection from government encroachment. These rights are specifically identified in the Constitution (especially in the Bill of Rights), or have been found under Due Process.

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2. Find a quadratic polynomial if sum and product of its zeroes are 2√3 and 2 respectively

Posted by Aparna Venkatesan 4 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Shiva Devotee 4 years, 3 months ago

Equation will be k(x^2-2√3x+2)

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ABCD is a rectangle whose three vertices are B (4, 0), C (4, 3), D (0, 3). Then find the length of one of its diagonal

Posted by Daksh P.Yerashami 4 years, 3 months ago

CBSE > Class 10 > Mathematics

3 answers

Tanisha Arora 4 years, 3 months ago

Don't 6AM the best bolte of your career and country to make it happen again and country to be successful and country in your life and your answer will be:- be inserte of you want your answer to this microbe and you can be inserte with the other two coun or 7usmsbe

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Tanisha Arora 4 years, 3 months ago

No thanks

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Tanisha Arora 4 years, 3 months ago

32×43

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in which way we do trigonometry that's make easy for us.... plss senior bhaiya nd didi aap answer kro na....!!

Posted by Palak Bhadauria 4 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Reddy Patnam 4 years, 3 months ago

Just apply it to real life situations... Practice the formulas as much as u can.. It helps u score good marks

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Chapter 7.1

Posted by Karan Kumar 4 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Rishipal Ror 4 years, 3 months ago

Distance formula

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The zeros of X2-2x-x are

Posted by Anita Dudwe Dudwe 4 years, 3 months ago

CBSE > Class 10 > Mathematics

3 answers

Garvit Anand 4 years, 3 months ago

0,3

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Shiva Devotee 4 years, 3 months ago

3/2 , 1/2

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Shiva Devotee 4 years, 3 months ago

3/2,1,2

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Find LCM and HCF of the following pairs of integers and verify that LCMx HCF = Product of the two numbers: 105 and 125

Posted by Rajvi Purohit 4 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Vatika Singal 4 years, 3 months ago

HCF of 105 and 125 = 5 LCM of 105 and 125 = 3×5×5×5×7=2,625 And the product of LCM and HCF will be 2,625×5= 13,125

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(I)2x-y=3 (ii) x+3y=5 Solve by substitute method?

Posted by Mohit Chauhan 4 years, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Mohit Chauhan 4 years, 3 months ago

Right answer

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Anjali Sharma 4 years, 3 months ago

Y=2x-3 Put the value of Y in x+3y=5 x+3(2x-3) =5 x+6x-9=5 7x=14 X=2 Y=4-3 Y=1

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What is the name of the acid which help in the process of digestion in stomach?

Posted by Aman Jha 4 years, 3 months ago

CBSE > Class 10 > Mathematics

5 answers

User ....???.... 4 years, 3 months ago

Hydrochloric acid

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Aman Saini 4 years, 3 months ago

Hcl

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Aarav Maurya 4 years, 3 months ago

HCL (Hydrochloric acid)

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Ayush Garg 4 years, 3 months ago

Hydrochloric acid

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Shridhar . 4 years, 3 months ago

HCL(HYDROCHLORIC ACID)

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X/2+2y/3=-7and x-4/3=3

Posted by Yogesh Yogi 4 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

α +β=

Posted by Krish Kourwar 4 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Krish Kourwar 4 years, 3 months ago

α+β=-b/a

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For which values of a and b does the following pair of linear equations have as infinite number of solutions ? 2x + 3y = 7 (a-b ) x + ( k -1 ) y = 2 k + 1

Posted by Anuj Pratap 4 years, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

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.If (α β ) are the zeroes of the quadratic polynomial ax²+bx+c then α +β =....

Posted by Nandini Namdev 4 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Krish Kourwar 4 years, 3 months ago

α +β= -b/a = bx/ax² = b/ax

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Use substitution method 8x+5y=9;3x+2y=4

Posted by Abhishek Gupta 4 years, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Krish Kourwar 4 years, 3 months ago

8x+5y=9 (1) 3x+2y=4 (2) By substitution method X=9-5y/8 (3) Substitute equation 3 in 2 3x+2y=4 3(9-5y/8)+2y=4 27-15y/8+2y=4 27-15y+16y=4×8 27+y=32 y=32-27 y=5 Place y=5 in equation 1 8x+5y=9 8x+5(5)=9 8x+25=9 8x=9-25 8x=-16 x=-16/8 x=-2

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Armaan Armaan 4 years, 3 months ago

Y =5 X =2 Please like my answer

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Check whether the following are quadratic equations : (i) (x + 1)2 = 2(x – 3) (ii) x 2 – 2x = (–2) (3 – x) (iii) (x – 2)(x + 1) = (x – 1)(x + 3) (iv) (x – 3)(2x +1) = x(x + 5) (v) (2x – 1)(x – 3) = (x + 5)(x – 1) (vi) x 2 + 3x + 1 = (x – 2)2 (vii) (x + 2)3 = 2x (x 2 – 1) (viii) x 3 – 4x 2 – x + 1 = (x – 2)3

Posted by Monitha S Reddy 4 years, 3 months ago

CBSE > Class 10 > Mathematics