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ANSWER

Perimeter of a square is (4x +20) what will be the length of a diagonal ?

Posted by Deepika Jangid 6 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Ashish Jha 6 years, 4 months ago

There are no such square

ANSWER

NCRT solution for unit 4Ex-4.4

Posted by Shubham Mehta 6 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Simply: (16-1/5)5/2

Posted by Kajal Singh 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Sia ? 6 years, 4 months ago

We have,
{tex}\left(16^{-\frac{1}{5}}\right)^{\frac{5}{2}}{/tex} = {tex}16^{-\frac{1}{5} \times \frac{5}{2}}{/tex} [as (a^m)ⁿ= a^m×n]
= {tex}16^{-\frac{1}{2}}{/tex}
= {tex}\frac{1}{16^{\frac{1}{2}}}{/tex}
= {tex}\frac{1}{\left(4^{2}\right)^{\frac{1}{2}}}{/tex}
= {tex}\frac{1}{4}{/tex}.

Muskan Agrawal 6 years, 4 months ago

(16-1/5)5/2 (80/5-1/5)5/2 79/5×5/2 =79/2

ANSWER

Find the area of triangle two sides of which are 18cm and 10cm and the perimeter is 42cm

Posted by Shivansh Pandey 6 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Subhashis Bhagat 6 years, 4 months ago

P=42 cm Also, P=18+10+x 42=28+x X=14 P/2=s=21 By using heron's formula =21root11

ANSWER

Solution of Unit -4 Ex-4.3 Ouestion 8

Posted by Shubham Mehta 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Sia ? 6 years, 4 months ago

For solutions go here: https://mycbseguide.com/ncert-solutions.html

Shubham Mehta 6 years, 4 months ago

Solution for unit 4Ex-4.4

ANSWER

19%of 91.6 marks

Posted by Vimal Nath 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Sia ? 6 years, 4 months ago

19%of 91.6 marks is 17.404

Varsha Katara 6 years, 4 months ago

19/100×91=18.22

ANSWER

what is lines

Posted by Jashan Mahal 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Angel Anjali 6 years, 4 months ago

Breathless length

Vimal Nath 6 years, 4 months ago

Lines are like straght line who never end

ANSWER

(4x+2y)³

Posted by Pushpendra Yadav 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Pushpendra Yadav 6 years, 4 months ago

Please

Aaradhya Verma 6 years, 4 months ago

64x + 8y

ANSWER

Rationalize the denominator of 5 by root 3 minus root 5

Posted by Pushpendra Yadav 6 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Aman Aman 6 years, 4 months ago

root5÷root3×root3÷root3=root5÷3

ANSWER

Simplify 5 root 243a^10 b^5 c^8

Posted by Sowmya Kumar 6 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

2²x+¹=17.2x-2³

Posted by Suhani Yadav 6 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Suhani Yadav 6 years, 4 months ago

Please answer me very important and urgent

ANSWER

(2x+7y) whole cube

Posted by Sithara C K 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Siddhartha Bhattacharya 6 years, 4 months ago

8xcube+343ycube+84x square y+294xy square

Madhiha ???? 6 years, 4 months ago

8x cube + 343 y cube

ANSWER

Prove that Root 2 is an irrational number

Posted by Manisha Laharwani 6 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

2x+3y=9•35

Posted by Anita Gurjar 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Aman Aman 6 years, 4 months ago

2x+3y-9.35=0 a=2,b=3,c=-9.35

45516111? 46 6 years, 4 months ago

a=2,b=3,c= -9.35

ANSWER

The cost of notebook is twice the cost of a pen write a linear equation in two variable to represent this is sentement

Posted by Anita Gurjar 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Archita Goel 6 years, 4 months ago

x-2y=0

Shraddha Panchbhai 6 years, 4 months ago

let cost of notebook= x and cost of pen= y :. x= 2y, x-2y= 0

ANSWER

If z^12 + x^12 =34 find the value of z^3 + z^3 using the positive value of z +1÷z

Posted by Achsah Sosa Jaiji 6 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Wat is a triangle

Posted by Md Imran 6 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Hetan Kumar 6 years, 4 months ago

The 3 equal side and the sum is 180 degree

ANSWER

ABC is isosceles triangle with AB is equal to AC . Draw AP langitude BC to show that angle B equal to C

Posted by Virender Kookna 6 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Hakikat Warring 6 years, 4 months ago

dont know?

ANSWER

9 X 2+ 12 x y

Posted by Kamal Prajapati 6 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

9 9 X square + 12 x y

Posted by Kamal Prajapati 6 years, 4 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is CPCT and where is it used in ch 7 TRIANGLES

Posted by Sukhjeet Singh 6 years, 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Account Deleted 6 years, 4 months ago

We write in short 'CPCT' for corresponding parts of congruent triangles.It is used in questions where you have already proven something but you need to prove it again . Ex-if you already proved congruency and you need to prove that 2 sides are congruent. You can easily use CPCT.

Sangam Bishnoi 6 years, 4 months ago

CPCT means Congruent Parts Of Congruent Triangle . It is used when you proved two triangle in case one . If you need re prove something ( like lines are equal and parallel , angle prove and so on ) in that two triangle then you write IT IS ALREADY PROVE BY CPCT