CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

Let the two number be x and y Now, as per condition one We get 2x+3y=92-----------(1) And as per condition two We get- 4x=7y+2 or 4x-7y=2---------------(2) On solving the above equations We get x=25 y=14 Hope that helps.

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ANSWER

1+4÷8×78%

Posted by Jyotishman Kakati 2 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Srujan Patil 2 years, 4 months ago

0.4875

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ANSWER

Prove that √ 2+√3 is irrational number

Posted by Shahnawaz Ahmad 2 years, 4 months ago

CBSE > Class 10 > Mathematics

2 answers

Shreya Chakraborty 2 years, 4 months ago

Let √2+√3 be rational. So it can be written in form of p /q where q is not equal to zero and p and q are co-primes. Therefore, √2+√3=p/q √2= p/q-√3 √2= p-√3q/q Here we can see that route to can be expressed in form of fraction (p/q) but it is a contradictory that √ 2 is irrational. This contradiction is arison because of our incorrect assumption of √2+√3 as rational Therefore it can be proved that √2+√3 is irrational. (This solution can be applicable if √ 2 and √3 is given as irrational)

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Shahnawaz Ahmad 2 years, 4 months ago

Please answer my question

3Thank You

ANSWER

The length of the minute hand of a clock is 60m. Find the area swept by it when it move 7:05pm to 7:40pm

Posted by Payal Chahar 2 years, 4 months ago

CBSE > Class 10 > Mathematics

5 answers

Vaibhav Rai 2 years, 4 months ago

However, the answer is 12,257.142 m^2

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Vaibhav Rai 2 years, 4 months ago

Wait a minute 😳 how can the length of a minute hand be 60 metres

2Thank You

Vaibhav Rai 2 years, 4 months ago

And at 7 35 to 7 40 it wiil form a sector of 30degrees

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Vaibhav Rai 2 years, 4 months ago

So from 7:05to 7:35 it will form a semicircle

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Vaibhav Rai 2 years, 4 months ago

The length of the minute hand is the radius of the cirecle which forms when it moves

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ANSWER

If sine+cose sqrt(3) then prove that tane + cote = 1.

Posted by Vanshika Dutta 2 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Vivek Prajapati 2 years, 4 months ago

Can u again write the question acche se mai answer dunga because I love maths but more with trigonometry

2Thank You

ANSWER

The shadow of a tower is 180 m when the angle of elevation of the sun is 30degree .what is the length of the shadow when the angle of elevation of the sun is 60 degree

Posted by Vishakha Singh 2 years, 4 months ago

CBSE > Class 10 > Mathematics

3 answers

Vivek Prajapati 2 years, 4 months ago

60√3

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Vivek Prajapati 2 years, 4 months ago

To usse kya hua question Kahan ka hai ye maine nahi rakhta uska answer Dena maine rakhta hai

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Arun Giri 2 years, 4 months ago

Yeh toh ncert ka h ..

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ANSWER

Find the number of terms in each of the following aps 1 7,13,19..........,205

Posted by Gurjap Singh 2 years, 4 months ago

CBSE > Class 10 > Mathematics

3 answers

Harshal Singhal 2 years, 4 months ago

This is not an ap because common difference is different and for a sequence to become an ap it should have same cd

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Arun Giri 2 years, 4 months ago

an=a+(n-1)d

2Thank You

Arun Giri 2 years, 4 months ago

Ismain formula put krdo ..

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ANSWER

If if the sum of zeros equal to the product of zeros polynomial then the value of P in equation given polynomial it is square + 5t + 3A

Posted by Jasmine Rahman Gudiya 2 years, 4 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Write a rational and irrational muber lying between 0.26and 0.34

Posted by Manita Kumari 2 years, 4 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A die is thrown.find the probability of getting:

Posted by Arif Alam 2 years, 4 months ago

CBSE > Class 10 > Mathematics

3 answers

Arif Alam 2 years, 1 month ago

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Bhartendu Kushawah 2 years, 4 months ago

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Saad Chaudhary 2 years, 4 months ago

Of getting?

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ANSWER

Do you have blue print of standard maths

Posted by Roshni 😄 2 years, 4 months ago

CBSE > Class 10 > Mathematics

2 answers

Vaibhav Rai 2 years, 4 months ago

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Chhaya Vairal 2 years, 4 months ago

Yes

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ANSWER

196 and 38220 find H.C.F

Posted by Bhartendu Kushawah 2 years, 4 months ago

CBSE > Class 10 > Mathematics

4 answers

Aditya Kumar Rai 2 years, 4 months ago

Ans 195 By Euclids Division Algorithm/Lemma a=bq+r, 0<=r<b

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Roshni 😄 2 years, 4 months ago

Ans is: 195 By Euclid division algorithm a=bq+r

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Anand Kumar 2 years, 4 months ago

Fddghjtfg Dhjjkkgfhb Myjkmnhbc Yhkmmm

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Anand Kumar 2 years, 4 months ago

Using Euclid division algorithm a=bq+r where 0<r<b 196<38220 a=38220 b=196 ATQ 38220=196×195+0 here r=0 Hence, the HCF of 196&38220 is 195

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ANSWER

Sample paper 2023

Posted by Shashi Devi 2 years, 4 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Class 10th blueprint

Posted by Gavin D'Silva 2 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Gavin D'Silva 2 years ago

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0Thank You

Tanishk Garg 2 years, 4 months ago

Sir bpt theorem

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Tanishk Garg 2 years, 4 months ago

Sir

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Gavin D'Silva 2 years, 4 months ago

Can you give me blueprint of class 10th maths

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ANSWER

solve ax+by=a-b and bx-ay=a+b

Posted by Daksh Gahlot67 2 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Daksh Gahlot67 2 years, 4 months ago

solve ax+by=a-b and bx-ay=a+b

4Thank You

ANSWER

If alpha and beta are the zeroes of quadratic polynomial ax square +bx +c then evalute alpha square beta +alpha square beta

Posted by Aditi Rathore 2 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Preeti Dabral 2 years, 3 months ago

$\frac{{ - b}}{a}$

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ANSWER

X+y=7,2x-3y=11 substitution method

Posted by Tharun Kumar 2 years, 4 months ago

CBSE > Class 10 > Mathematics

2 answers

Aanya Aggarwal 2 years, 4 months ago

From equation 1, x=7-y........3 Substituting 3 in 2, 2(7-y)- 3y=11 14-2y-3y=11 -5y=11-14 -5y= -3 y=5/3 Substituting the value of y in equation 1, x+5/3=7 Taking LCM, 3x+ 5 ----------- =7 3 3x+5=7*3 3x+5=21 3x=21-5 X=16/3

1Thank You

Aanya Aggarwal 2 years, 4 months ago

y=5/3, x=16/3

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ANSWER

Proove thatv√3 irrational

Posted by Prince Sharma 2 years, 4 months ago

CBSE > Class 10 > Mathematics

3 answers

Ayush Kumar 2 years, 4 months ago

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Saad Chaudhary 2 years, 4 months ago

Let's assume √3 is rational so it's is √3=p/q By squaring both sides (√3)²=(p/q)² 3=p²/q² 3×q²=p² Here p² is the factor of 3 so p is a factor of 3 Now, 3c=p² 3c=3×q² Here 3 is a factor of q so it is irrational

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Faheema Faima 2 years, 4 months ago

a² is divisible by 3 b² is divisible by 3 So √3 is irrational

7Thank You

ANSWER

80+70

Posted by Aqdus Malik 2 years, 4 months ago

CBSE > Class 10 > Mathematics