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If sin (a-b) =1/2, cos(a+b)=1/2, 0*<A+b<-90,a>b, find a&b

Posted by Sahil Jain 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

by using cross multiplication method: x/-2 (b^2+a^2)=1/4a^2+4b^2

Posted by Aditya Kumar 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

what is the value of x 3x+9y=100

Posted by Gaganpreet Singh 7 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Shalini B 7 years, 5 months ago

3x+9y=100 9y=100-3x y=100-3x/9

0Thank You

Laxmi Duvva 7 years, 5 months ago

3x=100-9y

X=100-9y/3

1Thank You

ANSWER

Jdjshs

Posted by Kaushal Chaudhary 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

What is defination of Arithmatic Progression ?

Posted by Dhiraj Kolse 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Jayden Kumar 7 years, 5 months ago

An arithematic progression or sequence is a sequence is a sequence of numbers such that the differnce between the consecutive term is constant. For instance the sequence 5,7,9,11,13,15...is an arithematic progression with common difference of 2.

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2x+3y=7 find the value of x and y by elimination method

Posted by Harsh Kumar 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Harsh Kumar 7 years, 5 months ago

let x=2 2(2)+3y=7 4+3y=7 3y=7-4 3y=3 y=3/3 y=1

3Thank You

ANSWER

P(x)=x³+3x²-5x+8 with the help of remainder theorem x-4

Posted by Om Sahu 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Laxmi Duvva 7 years, 5 months ago

Using remainder theorem we get

p(4)=4³+3(4²)-5(4)+8

= 64+48-20+8

=112-12

=100

0Thank You

ANSWER

Find out mean in a step deviation method 10-20,20-30,30-40,40-50,50-60,60-70. Frequency are 8 ,15,20,14,8,8

Posted by Sahil Das 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The sum of first 6th term of an AP in 42 the ratio of its10 th term to its 30th term is 1:3 caculate the first term and 13th term of anAP

Posted by Suma Suma 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

(Sec a + tan a)(1-sin a )

Posted by Barth Gowda 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

From the top of a tower 100m high ,a man observes two cars on the opposite side of the tower with angles of depression 30 and 40 respectively. Find the distance between the cars.

Posted by Angel Jose 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

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Slove for x 1+4+7+10+______+x=287

Posted by Anirudh Bhat 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find the remaining zeros of polynomial x cube -3x sq. -x+3 if one of its zero is 1

Posted by Srushti Kunkolienkar 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

H.C.F of 570 and 1425 thefundamental theorem

Posted by Annu Nehra 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

find the multiplicative identity the number which is obtained by dividing additive inverse of -5 by 1

Posted by Pooja Gupta 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find the sum of 40 positive integers divisible by 6 also find the sum of first 20 positive integers divisible by 5 or 6. Please tell me fast....

Posted by Aastha Virmani 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Solve by reducing them 1/2x+1/3y=2 1/3x+1/2y=13/6

Posted by Shams Jk 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Assuming method

Posted by Vishal Rana 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The area are two similar triangle ABC and PQR are the ratio 9:16 if BC =4.5 find the length of QR

Posted by Sonal Gandhi 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Jaya Maji 7 years, 5 months ago

6cm

0Thank You

ANSWER

Determine wheather the given quadratice equation has root (s). If so, find the root (s) -2ysquare+y+1=0

Posted by Sahil Yadav 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If the polynomial is exactly divisible by ... Find m

Posted by Sourabh Gupta 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

THALES'S THEOREM??

Posted by Ritesh Kumar 7 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Shaan Verma 7 years, 5 months ago

Ok- I love you..

0Thank You

Irfan Alam 7 years, 5 months ago

If a line drawn from two sides of a triangle to parallel to the third side then it will intersect the other two sides in the same ratio.

2Thank You

ANSWER

A+B+C=30 (3,5,7,9,1,11,13,15) what come in place of a,b,c condition,you can repeat numbers too like 9+9+1=?

Posted by Ayaz Akhtar 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Ayush Kumar Mishra 7 years, 5 months ago

Not possible because Sum of two odd number Can never be even

1Thank You

ANSWER

123

Posted by Sahil Gathe 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Akshay Singh 7 years, 5 months ago

123

3Thank You

ANSWER

If p is the HCF of 56 and 72 find x and y so that p=56x+72y

Posted by S S 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Isha Khanna 7 years, 5 months ago

X=1-9y÷7,y=0

1Thank You

ANSWER

If (1 + root2) is one root of a quadratic equation with rational coefficients, then find the other root.

Posted by Aman Bedi 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

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3x+1/x-8=0

Posted by Palak Goyal 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Isha Khanna 7 years, 5 months ago

X=-1÷3

0Thank You

ANSWER

What is the 11th term of ap

Posted by Rudra Pratap Singh Rajawat 7 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

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Find the discriminant of the quadratic equation 2x²-4x+3=0,and hence find the nature of its roots.

Posted by Ayush Saha 7 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Aman Bedi 7 years, 5 months ago

D = -8 D<0 nature of roots is inequal and unreal

1Thank You

ANSWER

Ex 1.a ka 4th...

Posted by Tahseen Jkhan 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

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