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= 2x^2 + 7x + 5 root 2 = 2x^2 + 2x + 5root 2x + 5 root 2 here factors are 2x and 5 root 2x = 2x( x + 1) + 5 root 2( x + 1) = (2x + 5root2) and (x+1) there fore x = -5 root 2 upon 2 i.e. - 5 upon root 2 or -1

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For what value of k, the equation have equal roots 9x²+6kx+4=0

Posted by Amal Fathima 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Tanvi Vijay 5 years, 1 month ago

2,-2

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Solve the pair of linear equation 2x - 3y=1,3x-4y=1

Posted by Amal Fathima 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Ekta Sahu 5 years, 1 month ago

Given equations :- 2x-3y=1 x = (1+3y)/2 3{(1+3y)/2} -4y = 1 (3+9y) / 2 -4 y = 1 3+9y-8y=2 3 + y = 2 Y = -2 X = (1+3×-2) /2 =-5/2

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5x-4y+8=0 ; 7x+6y-9=0 graphically represents _____________ ? A : parallel lines B : intersecting lines C : coincident lines

Posted by Jyothi Chandana 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Gunn Bhatia 5 years, 1 month ago

intersecting as a1 upon a2 is not equal to b1 upon b2

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Awneet Saini 5 years, 1 month ago

Intersecting lines

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If x+a is a factor of 2x²+2ax +5x+10 then find the value of a

Posted by Dhruba Debsharma 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Gunn Bhatia 5 years, 1 month ago

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Kajal Roy 5 years, 1 month ago

1Thank You

Komal Yadav 5 years, 1 month ago

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What is the smallest even number?

Posted by Komal Yadav 5 years, 1 month ago

CBSE > Class 10 > Mathematics

5 answers

Gunn Bhatia 5 years, 1 month ago

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Kakul Jain 5 years, 1 month ago

2Thank You

Kajal Roy 5 years, 1 month ago

0Thank You

Awneet Saini 5 years, 1 month ago

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Khushi 5 years, 1 month ago

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A black die and a white die are thrown at the same time. Write all the possible outcomes.

Posted by N K 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Chehak Kohli 5 years, 1 month ago

Total no. of possible outcomes when 2 dice are thrown = 6×6 = 36 which are { (1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6) (5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6) } Read more on Sarthaks.com - https://www.sarthaks.com/102242/black-white-die-are-thrown-the-same-time-write-all-the-possible-outcomes-what-probability

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If cosec theta + cot theta =m then m2-1/m2+1

Posted by Girish Hiremath 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Chehak Kohli 5 years, 1 month ago

https://brainly.in/question/3074643 Visit this site for the answer.

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If one of the zeroes of the quadratic polynomial x2 + 3x + k is 2, then the value of k is:

Posted by Amit Sharma 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Kajal Roy 5 years, 1 month ago

-10

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How To solve trignometry

Posted by Shreya Patel 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Abhijot Bedi 5 years, 1 month ago

As much practice you will do ...that much it will be easy to solve ques of trigonometry

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?? ?? 5 years, 1 month ago

Yes, Because Shashank Dubey is right

1Thank You

Shashank Dubey 5 years, 1 month ago

By memorizing table and chart and by practice

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Ek vikreta Har Chhote Din Bajar Jata Hai jabki Uska dost Har aathvin Bajar Jata Hai bataiye ki donon vikreta Agali bar Bajar Mein Kab Milenge

Posted by Kawal Kawal 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A+B=18 A-B=16

Posted by Mahesh Singh 5 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Jasmeen Kaur 5 years, 1 month ago

B=1 A = 17

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Kajal Roy 5 years, 1 month ago

B=1and A=17

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Harsimranjot Kaur 5 years, 1 month ago

A+B=18‐‐‐1 A-B=16---2 (Adding eq1 and eq2) 2A=34 A=17 (Putting the value of A in eq1) 17+B=18 B=18-17 B=1 :-A=17 and B=1 By elimination method

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Sumit Kumar 5 years, 1 month ago

A+B=18---1 +A-B=06 =2A=24 A=24÷2 A=12 Putting value in eqñ-1 12+B=18 B=18-12 B=6 This method is called elimination method of solving pair of linear eqñ in two variables

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it can take 12 hours to fill a swimming pool using two pipes. If the pipe of larger diameter is used for four hours and the pipe of smaller diameter for 9 hours, only half of the pool can be filled. How long would it take for each pipe to fill the pool separately?

Posted by Gagan Toor 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If the circumference of a circle increase from 4π to 8π , then find the percentage increase in the area of the circle.

Posted by Mithilesh Pandey 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A hall has dimensions 32m by 20m

Posted by Geetanjali Mahajan 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A calf is tied with a rope of length 6 m at the corner of a square grassy lawn of side 20 m. If the length of the rope is increased by 5.5 m, find the increase in area of the grassy lawn in which the calf can graze. 8. In the figure, a circle is inscribed in an equilateral triangle ABC of side 12 cm. Find the radius of teh inscribed circle and the area of the shaded region. [Use π = 3.14 and = 1.73]

Posted by Vishnu Pandey 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

गुड मोर्र्निंग

Posted by Vinit Kumar 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

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Kx(x-2)+6

Posted by Smit Solanki 5 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Kajal Roy 5 years, 1 month ago

Kx^2-2kx+6

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Kajal Roy 5 years, 1 month ago

Kx^2+2kx+6

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Dilraj Kâlêsh 5 years, 1 month ago

Kx^2+2k+6

1Thank You

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How to solve a quadratic equation with Completing square method ??

Posted by Rajat Arora 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Smit Solanki 5 years, 1 month ago

It was not going to come in exam it is in reduction portion

5Thank You

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Sin(a-b)=1/2cos(a+b)=1/2

Posted by Girja Shankar 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Shashwat Singh 5 years, 1 month ago

This question is wrong.

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to find the width of a pathway and the height of building using geometrical properties

Posted by Sakshi Agrawal 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The following distribution give the daily income of 50 works of a factory daily in come in rupees

Posted by Sk.Abid Abid 5 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find A

Posted by Tanishka Varshney 5 years, 1 month ago

CBSE > Class 10 > Mathematics

5 answers

Anshika Gupta 5 years, 1 month ago

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Aniket Redekar 5 years, 1 month ago

Answer

1Thank You

Tanishka Varshney 5 years, 1 month ago

Read full question below

2Thank You

😜Arnav Arya🙃 5 years, 1 month ago

Ya Traser hunt ?

1Thank You

😜Arnav Arya🙃 5 years, 1 month ago

chupan chupai khel rhe Ho kya ?

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if sin square a=cos(a-6)

Posted by Tanishka Varshney 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Aniket Redekar 5 years, 1 month ago

6.25

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Show that the points (a,a),(-a,-a),(root3a,root3a) are the vertices of an equilateral triangle.

Posted by Amulya Chougale 5 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Amulya Chougale 5 years ago

Thank u

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😜Arnav Arya🙃 5 years, 1 month ago

Let , A (a,a) B (a,-a) & C (√3a,√3a) Now use distance formula :- => √(x2-x1)² + (y2-y1)² to find dist AB => √(a-a)² + (-a-a)² =>√(0)² + (-2a)² =>√4a² => 2a NOTE :- from similar method you have to find distance (BC) & distance (AC) Don't miss the step ⬆️ :- If AB = BC or AC = BC or AB = AC then it is isosceles Δ HOPE FRIEND THIS WILL HELP YOU :)

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