CBSE > Class 09 > Mathematics | CBSE Board | Homework Help

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

4+under root 5 upon 4 - under root 5 + 4 - under root 5 upon 4 + under root 5

Posted by Saurav Singh 5 years, 2 months ago

1 answers

Sia ? 5 years, 2 months ago

{tex}4+\frac{\sqrt{5}}{4} \ - \sqrt{5}+\frac{4-\sqrt{5}}{4}+\sqrt{5}{/tex}
{tex}=4+\frac{\sqrt{5}}{4}+\frac{4-\sqrt{5}}{4}{/tex}
{tex}=\frac{16+\sqrt{5}+(4-\sqrt{5})}{4}{/tex}
{tex}=\frac{16+\sqrt{5}+4-\sqrt{5}}{4}{/tex}
{tex}=\frac{20}{4}{/tex}
=5

0Thank You

ANSWER

In triangles, topic inequality for theorem 'sides opposite to larger angle is longer' can't we draw AD instead of BD? For what reason you drew that, I didn't understand..

Posted by Shini Byju 5 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If a-b=7, a2+b2=85 find the value of a3 - b3

Posted by Aneesa Jasheen 5 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Badal Sahu 5 years, 2 months ago

721

0Thank You

Brijbhushan Singh 5 years, 2 months ago

516

0Thank You

ANSWER

What is the value of k in a polynomial xsquare+8x+k if x-1 is a zero of polynomial.

Posted by Abhi Shek 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Badal Sahu 5 years, 2 months ago

-9

0Thank You

ANSWER

Express in the form in tge p/q 2.365

Posted by Priyanshu Ghosh 5 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Agam Tyagi 5 years, 2 months ago

21/99

0Thank You

Priyanshu Ghosh 5 years, 2 months ago

21/99 is rhe correct answer or not

0Thank You

ANSWER

Graph y=2x

Posted by Sanjay Kumar 5 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Ankit Kumar 5 years, 2 months ago

(2,0)

0Thank You

Brijbhushan Singh 5 years, 2 months ago

Let x 0

0Thank You

ANSWER

Y=2x

Posted by Sanjay Kumar 5 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the area of a field which is in the shape of a trapezium having parallel sides as 20m and 42m and non parallel sides as 21m and 23m.(use √10=3.1)

Posted by Gauri A Menon 5 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Value of √20×√5

Posted by Gauri A Menon 5 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Yogita Ingle 5 years, 2 months ago

√20 × √5 = √100 = 10

1Thank You

Amish Sinha 5 years, 2 months ago

1Thank You

ANSWER

Which of the following points lie on the negative side of x-axis (-4,0),(-3,2),(0,-4),(5,-7)

Posted by Gauri A Menon 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Kalaiselvi Chinnasamy 5 years, 2 months ago

-4,0 -3,2

0Thank You

ANSWER

The ratio of girls and boys in a class is 2:3 set up an equation between the students in a class of girls and boys and draw its graph

Posted by Sunitha Kumaru 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Seth 5 years, 2 months ago

The ratio of girls and boys in a class is 1: 3. Set up an equation between the students of a class and boys and then draw its graph. Also find the number of boys in a class of 40 students from the graph.

Solution :-

2Thank You

ANSWER

2x/3+10/2=x+5

Posted by Devarsh Doshi 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years, 2 months ago

(4x + 30)/6 = x + 5
4x + 30 = 6x + 30
6x - 4x = 30 - 30
2x = 0
x = 0

0Thank You

ANSWER

5x,7()

Posted by Deepa Thakur 5 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

How many rational numbers between the rational number 3/7 and 9/4

Posted by Abcdefghijklmnopqrstuvwxyz Shekhawat 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Raj Kumar 5 years, 2 months ago

Infinite

0Thank You

ANSWER

Simplify the denominator:

Posted by Sneha . 5 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Kritika Singh 5 years, 2 months ago

Down term?

0Thank You

Tatakuntla Shanvitha 5 years, 2 months ago

0Thank You

ANSWER

Latest sample paper of 2019

Posted by Ramesh Srivastava 5 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

How to prove that an equilateral triangle can constructed on any line segment?

Posted by Anil Debbarma 5 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Sir what difference between KB

Posted by Ankit Thakur 5 years, 2 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

what is the fifth postulate

Posted by Nishant Raj 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Rehaan Yumnam 5 years, 2 months ago

If a line segment intersects two straight lines forming two interior angles on the same side that sum to less than two right angles, then the two lines, if extended indefinitely, meet on that side on which the angles sum to less than two right angles.

1Thank You

ANSWER

What is the formula of probability

Posted by Arun Tiwari 5 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Harwinder Singh 5 years, 2 months ago

no. of favourable outcomes upon total no. of outcomes

0Thank You

Khusnuma Lights 5 years, 2 months ago

Favourable upon me total outcome

0Thank You

ANSWER

Find the value of m and n so that polynomial f(x)=x - 6x +mx-n is exactly divisible by (x-1) as well as (x-2)

Posted by Chetanjali Gupta Gupta 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Deepa Sinha 5 years, 2 months ago

Value of m is - 6 and value of n is 0

0Thank You

ANSWER

Find a and b if 2√5 +√3/2√5-√3 +2√5-√3/2√5+√3 is equal to a+√15b

Posted by Amal Aiswarya 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Shubham Garg 5 years, 2 months ago

46 / 17

0Thank You

ANSWER

The curved surface area of right circular cylinder of height 14 cm is 88 CM square find the diameter of the base of the cylinder

Posted by Priya Vishwakarma 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Shubham Garg 5 years, 2 months ago

2 cm

0Thank You

ANSWER

SOLVE: 2x+10/2 = x +5

Posted by Devarsh Doshi 5 years, 2 months ago

CBSE > Class 09 > Mathematics

5 answers

Rekha Singh Singh 5 years, 2 months ago

2x+10/2=x+5 2x-x=5-10/2 By LCM x=(10-10)/2 x=0/2 x=0

1Thank You

Khusnuma Lights 5 years, 2 months ago

Sorry x= 0

0Thank You

Khusnuma Lights 5 years, 2 months ago

0/3

0Thank You

Shreya Raj 5 years, 2 months ago

0Thank You

Sarthak Patel 5 years, 2 months ago

0/2

0Thank You

ANSWER

How to prove that a triangle has 180 degree?

Posted by Anil Debbarma 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Shreya Raj 5 years, 2 months ago

drow a parallel line to the base.....

0Thank You

ANSWER

Prove that the perimeter of triangle is greater than the sum of its three medians

Posted by Aysha Mehta 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Damini Sinha 5 years, 2 months ago

Use the theorem- sum of any two sides of a triangle is greater than twice the median drawn to third side.

0Thank You

ANSWER

If x is equal to zero and Y is equal to K is a solution of the equation 5 x minus 3 Y is equal to 3 find the value of k

Posted by Salvinder Thind 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Shreya Raj 5 years, 2 months ago

-1

3Thank You

ANSWER

Write the following in decimal form and say what kind of decimal expansion each has 36/100

Posted by Dakshita Dharwal 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Shreeya Chauhan 5 years, 2 months ago

0.36 it is rational number because it is terminnating

2Thank You

ANSWER

What is the sum of the angle ot a point

Posted by Roma Deepak 5 years, 2 months ago

CBSE > Class 09 > Mathematics

2 answers

Hitesh Bhakuni 5 years, 2 months ago

360 degree

0Thank You

Rekha Singh Singh 5 years, 2 months ago

360 and when they are joined it forms a circle

1Thank You

ANSWER

Prove that each angle of an equilateral triangle is 60

Posted by Tooba Subhan 5 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Simran Yadav 5 years, 2 months ago

In an equilateral triangle all the three sides are equal.Then all the three angles are also equal.let one angle is x. The sum of all the angles of a triangle is 180 degree.Then 3x=180 X=180/3 X=60 Hence,proved.

4Thank You

ANSWER