ICSE & ISC > Class 09 > Mathematics | CBSE Board | Homework Help

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

Ask Question

Draw the graph of each of the following linera equations in two variables (¹) X+Y=4

Posted by Arobindo Borah 4 years, 10 months ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Shubham Mishra 4 years, 8 months ago

Take( x=0, y=4 )A and (y=0,x=4 )B locate point A on y-axis and B on x-axis and join through a line using scale.

0Thank You

ANSWER

What number should be added from 15 upon 32 to get minus 7 upon 11

Posted by Gurbaksh Kular 4 years, 10 months ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Rajan Kumar Pasi 4 years, 10 months ago

Sol = Let the unknown number be, x
Thus according to the question, $\huge { x+\frac{15}{32} = -\frac{7}{11} }$
So, $\huge { x=-\frac{15}{32} -\frac{7}{11} }$
=> $\huge { x=\frac{(-15\times 11)-(7\times32)}{32\times 11} }$
=> $\huge { x=\frac{(-165)-(224)}{352} }$
=> $\huge { x=\frac{-389}{352} }$
Please write the grammar of the question properly.
It should be like this:
What number should be added to 15 upon 32 to get minus 7 upon 11 ?

4Thank You

ANSWER

2x-y=9. 3x+y=0

Posted by Anjali Panjiyar 4 years, 10 months ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Yogita Ingle 4 years, 10 months ago

2x-y=9........ (i)
3x+y=0 ........ (ii)

add (i) and (ii), we get

5x = 9

x = 9/5

Put x = 9/5 in (ii) , we get
3(9/5) + y = 0

27/5 + y = 0

y = -27/5

0Thank You

ANSWER

Write the coefficients of x square in each of the following: 2 + x square + x

Posted by Harsh Tripathi 4 years, 10 months ago

ICSE & ISC > Class 09 > Mathematics

2 answers

Abu Hamza 4 years, 1 month ago

0Thank You

Shubham Mishra 4 years, 8 months ago

This is a quadratic expression,1 will be your cofficient of x ^2

0Thank You

ANSWER

Write the coefficients of x square in each of the following 2 + x square + x

Posted by Harsh Tripathi 4 years, 10 months ago

ICSE & ISC > Class 09 > Mathematics

0 answers

ANSWER

Tsttsggsgeyye

Posted by Riya Rani 4 years, 10 months ago

ICSE & ISC > Class 09 > Mathematics

0 answers

ANSWER

polynomial

Posted by Deepak Bagga 4 years, 10 months ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Saanvi Tiwari 4 years, 10 months ago

we can catch butterflies with this

2Thank You

ANSWER

Question of ratio

Posted by Vinod Kumar 4 years, 11 months ago

ICSE & ISC > Class 09 > Mathematics

0 answers

ANSWER

Ratio

Posted by Vinod Kumar 4 years, 11 months ago

ICSE & ISC > Class 09 > Mathematics

0 answers

ANSWER

Is zero a rational number? Can you write in the form p

Posted by Vineet Raj 4 years, 11 months ago

ICSE & ISC > Class 09 > Mathematics

2 answers

Shubham Mishra 4 years, 8 months ago

O is a rational number 0/1 where 0and1 are real number this is also the condition of rational numbers p/q where p and q are real numbers

0Thank You

Ebad Sir 4 years, 11 months ago

Yes zero is a rationsl number 0 = o / 1

0Thank You

ANSWER

(4a+3b)2 - (4a-3b)2 + 48ab

Posted by Ekamdeep Singh 4 years, 11 months ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Yogita Ingle 4 years, 11 months ago

(4a+3b)²- (4a-3b)²+ 48ab

= (4a)² + (3b)² + 2(4a)(3b) + (4a)² + (3b)² - 2(4a)(3b)+ 48ab

= 16a²+ 9b² + 24ab + 16a²+ 9b² - 24ab + 48ab

= 16a² + 16a²+ 9b² + 9b² + 48ab

= 32a² + 18b² + 48 ab

3Thank You

ANSWER

The sum of two numbers is 43.If the larger is doubled and the smaller is tripled, the difference is 36. Find the two numbers.

Posted by Karan Rawat 5 years ago

ICSE & ISC > Class 09 > Mathematics

2 answers

Prabal Sally 4 years, 11 months ago

X=33 y=10

1Thank You

Parth Rungta 5 years ago

Let the two no.s be x and y Then Acc. to the question, x+y=43 - eq. 1 And then Let the larger be x Acc. to the question 2x-3y=36 - eq. 2 Multiplying both the sides of eq. 1 by - 3, we get - 3x+3y= 129 3x+3y= 129 2x-3y=36 5x=165 x = 33 x+y = 43 33+y=43 y= 43 - 33 y= 10 Therefore, x = 33 y = 10

2Thank You

ANSWER

Give a geometric representation of y=3 as an equation

Posted by Nesheema Banu 5 years ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Rajan Kumar Pasi 4 years, 10 months ago

It is a very simple question.

0Thank You

ANSWER

5 by 4 times a number is 10 more than the number find the number

Posted by Nava Mani 5 years ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Rajan Kumar Pasi 4 years, 10 months ago

Q. $\LARGE { \frac{5}{4}}$ times a number is 10 more than the number. Find the number?
Sol. =
Covert the statement step by step into a mathematical expression.
=> Let the unknown number be, x
=> $\LARGE { \frac{5}{4}}$ times a number = $\LARGE { \frac{5}{4}\times x}$

=> 10 more than the number = $\LARGE {10 + x}$
=> Therefore, $\LARGE { \frac{5}{4}\times x}$ $\LARGE { = 10 + x}$

$\huge {=> 5\times x = 4\times (10+x)}\\ \huge{=> 5 x= 40+4x }\\ \huge{=> 5 x-4x= 40 }\\ \huge{=> x= 40 }\\$
Final answer, x = 40.

0Thank You

ANSWER

Define : Trapezium

Posted by Geesha Raj 5 years ago

ICSE & ISC > Class 09 > Mathematics

0 answers

ANSWER

Chqpter 1 pdf

Posted by Fenil Rana 5 years ago

ICSE & ISC > Class 09 > Mathematics

0 answers

ANSWER

2.7÷100

Posted by Pardeep Kumar 5 years, 1 month ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Rajan Kumar Pasi 4 years, 10 months ago

The very easy question looks like of class 6.
$\huge{=> \frac{2.7}{100}}\\ \huge{=> \frac{27}{10\times 100} }\\ \huge{=> \frac{27}{1000}}\\ \huge{=>0.027}\\ Final \ answer.$

0Thank You

ANSWER

Make the greatest and smallest 5-digit number using different digits in which 4 appears at ten's place

Posted by Palak Raj 5 years, 1 month ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Rajan Kumar Pasi 4 years, 10 months ago

The greatest 5-digit number is 99999 and
The smallest 5-digit number is 10000.
But by using different digits,
The greatest 5-digit number is 98765 and using 4 at the tenth place we will get
=> 98746
Similarly, The smallest 5-digit number is 10234 and using 4 at the tenth place we will get
=> 10243

So, according to the conditions given in the question:
The greatest 5-digit number is 98746 and
The smallest 5-digit number is 10243, having 4 at the tenth place and with different digits.

0Thank You

ANSWER

Ex 2.4

Posted by Ajay Kumar 5 years, 1 month ago

ICSE & ISC > Class 09 > Mathematics

0 answers

ANSWER

Constant a quadrilateral ABCD when AB_4cm , CD -DA -5.4cm and AC -6m

Posted by Faiz Ahmad 5 years, 1 month ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Rajan Kumar Pasi 4 years, 10 months ago

It is a question of construction.
You should use scale, rounder (compass)and pencil to construct it.
Sol: First write all the sides or angles given (if any)
Name of quadrilateral = ABCD
Sides: AB=4cm
AC=6cm
CD=5.4cm
DA=5.4cm
First make a rough sketch to have an idea of the required sketch.

0Thank You

ANSWER

How to construct the following angles at the initial point of a given Ray and justify the construction 40° 45°

Posted by Dhatla Komalatha Komalatha 5 years, 1 month ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Rajan Kumar Pasi 4 years, 10 months ago

Using construction steps of 45degree you an make it.
and if you are allowed to use the protractor then only you can make 40 degree with it.

0Thank You

ANSWER

Street light bulb is fixed on a pole 6 metre above the level of street if a woman of height 1.5 class assado of 3 metre find how far she is away from the base of the pole

Posted by Pradyumna Singh Shahi 5 years, 1 month ago

ICSE & ISC > Class 09 > Mathematics

1 answers

Rajan Kumar Pasi 4 years, 10 months ago

A mistake in the question, "class assado" = cast's a shadow.

Sol:

From eq. 1 and eq. 2 we will get:

$\huge {=>\ \frac{6}{y+3} = \frac{1.5}{3} }\\ \huge {=>\ 6\times3 = 1.5\times(y+3) }\\ \huge {=>\ \frac{18}{1.5} = y+3}\\ \huge {=>\ 12 = \frac{y}{3} }\\ \huge {=>\ 12-3 = y }\\ \huge {=>\ y=9 }\\$