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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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Tanvi Vijay 4 years, 6 months ago

2,-2

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

Posted by Amal Fathima 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Ekta Sahu 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Gunn Bhatia 4 years, 6 months ago

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

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Awneet Saini 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

3 answers

Gunn Bhatia 4 years, 6 months ago

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Kajal Roy 4 years, 6 months ago

1Thank You

Komal Yadav 4 years, 6 months ago

1Thank You

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What is the smallest even number?

Posted by Komal Yadav 4 years, 6 months ago

CBSE > Class 10 > Mathematics

5 answers

Gunn Bhatia 4 years, 6 months ago

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Kakul Jain 4 years, 6 months ago

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Kajal Roy 4 years, 6 months ago

0Thank You

Awneet Saini 4 years, 6 months ago

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Khushi 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Chehak Kohli 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Chehak Kohli 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Kajal Roy 4 years, 6 months ago

-10

1Thank You

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How To solve trignometry

Posted by Shreya Patel 4 years, 6 months ago

CBSE > Class 10 > Mathematics

3 answers

Abhijot Bedi 4 years, 6 months ago

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

0Thank You

?? ?? 4 years, 6 months ago

Yes, Because Shashank Dubey is right

1Thank You

Shashank Dubey 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A+B=18 A-B=16

Posted by Mahesh Singh 4 years, 6 months ago

CBSE > Class 10 > Mathematics

4 answers

Jasmeen Kaur 4 years, 6 months ago

B=1 A = 17

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Kajal Roy 4 years, 6 months ago

B=1and A=17

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Harsimranjot Kaur 4 years, 6 months 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 4 years, 6 months 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 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A hall has dimensions 32m by 20m

Posted by Geetanjali Mahajan 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

गुड मोर्र्निंग

Posted by Vinit Kumar 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Kx(x-2)+6

Posted by Smit Solanki 4 years, 6 months ago

CBSE > Class 10 > Mathematics

3 answers

Kajal Roy 4 years, 6 months ago

Kx^2-2kx+6

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Kajal Roy 4 years, 6 months ago

Kx^2+2kx+6

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Dilraj Kâlêsh 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Smit Solanki 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Shashwat Singh 4 years, 6 months 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 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find A

Posted by Tanishka Varshney 4 years, 6 months ago

CBSE > Class 10 > Mathematics

5 answers

Anshika Gupta 4 years, 6 months ago

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Aniket Redekar 4 years, 6 months ago

Answer

1Thank You

Tanishka Varshney 4 years, 6 months ago

Read full question below

2Thank You

😜Arnav Arya🙃 4 years, 6 months ago

Ya Traser hunt ?

1Thank You

😜Arnav Arya🙃 4 years, 6 months ago

chupan chupai khel rhe Ho kya ?

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if sin square a=cos(a-6)

Posted by Tanishka Varshney 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Aniket Redekar 4 years, 6 months 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 4 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Amulya Chougale 4 years, 5 months ago

Thank u

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😜Arnav Arya🙃 4 years, 6 months 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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