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

9. In ABC right angles at B, if find value of: (i) (ii) Ans. Consider a triangle ABC in which B = . Let BC = and AB = Then, using Pythagoras theorem, AC = = = = = For C, Base = BC, Perpendicular = AB and Hypotenuse = AC (i) = = = 1 (ii) = =

2Thank You

ANSWER

If the numbers a,b,c,d,e form an AP, then the value of a-4b+6c-4d+e is

Posted by Srikar Gunna 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Sanika Walimbe 5 years, 2 months ago

Assume a=1, b =2, c=3, d=4 ,e=5 and substitute and then solve.?

0Thank You

ANSWER

Half the perimeter of a rectangular garden, whose length is 4m more than its breadth is 36m. Find the dimensions of the garden

Posted by Anshu Yadav 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Unnati Lohana 5 years, 2 months ago

P=2(l+b) P/2=l+b Let breadth of rectangular garden be x Length= x+4 Half-Perimeter,P/2=36 36=x+4+x 32=2x x=16 Length=x+4 L= 20

1Thank You

ANSWER

The area of a rectangular plot is 528m². The length of the plot (in meters) is one more than twice its Breadth. We need to find the length and breadth of the plot.

Posted by Shivam Jha 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Yogita Ingle 5 years, 2 months ago

let the breadth =b m
length = l =(2b+1)m
area =528m²
l*b= 528
(2b+1)b-528=0
2b²+b-528=0
2b²+33b-32b-528=0
b(2b+33)- 16(2b+33)=0
(2b+33)(b-16)=0
2b+33=0 or b-16=0
b should not be zero
therefore
b-16=0
b=16
breadth = 16m
length =l= 2b+1=2*16+1=32+1=33m

0Thank You

ANSWER

Solve the pair of equation by substitution method x minus Y is equal to 8

Posted by Md Rehan Raza Niyargir 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Bro . 5 years, 2 months ago

What is the 2nd pair

0Thank You

ANSWER

In what ratio does x-axis divide the line segment joining points (3,2) and (4,-1)

Posted by Fatima Hasan 5 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If alpha and beta are the zeroes of a quadratic polynomial x^2-5x+b and alpha - beta = 1 , then the value of 'b' is ( 1)

Posted by Mansi Saini 5 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

What is irrational

Posted by Aayushi Aayushi 5 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

... Yang ... 5 years, 2 months ago

IRRATIONAL NUMBER: ¤A number is called irrational if it cannot be written in the form p/q, where p and q are integers and q ≠ 0. HoPe It HeLpS yOu??

0Thank You

Yogita Ingle 5 years, 2 months ago

Irrational Numbers:

A number ‘s’ is called irrational if it cannot be written in the form p/q, where p and q are integers and q ≠ 0. E.g.: E.g.: 1.234674322345634232789064590812343…… or ∏, √2 etc,

2Thank You

Saurabh ???? 5 years, 2 months ago

A number which cannot be written in the form of p/q is called irrational number.

2Thank You

ANSWER

Find the length if median AD of ∆ ABC whose vertices are A (7,-3), B(5,3) and C (3,-1)

Posted by Rivanshu Kumar 5 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If we add 1 to the numerator and subtract 1 from the denominator, a fraction reduces to 1. It becomes 1/2 if we only add 1 to the denominator. What is the fraction by using elimination method

Posted by Praveen Kumar 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Kritika ? 5 years, 2 months ago

Let numerator be x and denominator be y.. A. T. Q. x+1/y-1=1 -----eq1 x/y+1=1/2 -----eq2 Subtracting eq 1 and 2 (x+1/y-1) - (x/y+1) = 1+1/2 xy+y-x-1-xy+x/(y-1) (y+1) =3/2 y-1/(y-1) (y+1) =3/2 1/(y+1) =3/2 2=3y+3 2-3=3y -1=3y y =-1/3 Putting the value in eq 1 Or 2..i m putting in eq 2.. x/y+1=1/2 x/-1/3+1=1/2 x/-1+3/3=1/2 3x/2=1/2 3x=1 x=1/3

0Thank You

ANSWER

If (4,p) and (1,0) are the end points of the diameter of a circle of length 10cm, find the centre of the circle.

Posted by Durgesh Atri 5 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

8.4, 6 all questions

Posted by Shaban Nath 5 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A die is thrown once. Find the probability of getting number which i is a prime number ii lies between 2 and 6

Posted by Yash Mishra 5 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Seema Choudhary 5 years, 2 months ago

1/3

0Thank You

King Bro Bro 5 years, 2 months ago

Nhj

0Thank You

ANSWER

If A+B =90 and secA =2/3, then find the value of cosec B

Posted by Yash Mishra 5 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If A+B =900

Posted by Yash Mishra 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Anshul Agarwal 5 years, 2 months ago

Then

0Thank You

ANSWER

A number X is choosen at random from the numbers -2,-1,0,1,2. Then the probability that x^2<2 is?

Posted by Mansi Bansal 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Savita Sharma 5 years, 2 months ago

P(E)=3/5

0Thank You

ANSWER

What is √1200934576512125?

Posted by Taranjot Singh 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Vidhi Gupta 5 years, 2 months ago

10,958,716.058517

0Thank You

ANSWER

While solving a question in AP, why do we equate 'm' th term = 2m + 1

Posted by Sanika Walimbe 5 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If cosecA=13/12, find other t-ratios

Posted by Sneha Thapalyal 5 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Anshul Agarwal 5 years, 2 months ago

Do your self

0Thank You

Riya Philip 5 years, 2 months ago

Hlo.......join betternation.xyz this is a site where u can have a lot of friends and fun ? ? ?

0Thank You

Rahul Kumar 5 years, 2 months ago

Sin=12/13 Tan=12/under root 313 Cos=under root 313/13 Sec=13/under root 313 Cot=under root 313/12

0Thank You

ANSWER

Find the sum and product of the zero x square minus (A square + b [close X + A B

Posted by Mehul Patel 5 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Mehul Patel 4 years, 10 months ago

Thanks for your advice

0Thank You

Riya Philip 5 years, 2 months ago

Join betternation.xyz This is a site where u can have a lot of friends and fun ? ? ?

1Thank You

ANSWER

What is the class mark of a-b

Posted by Rohit Bera 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Kallol Chakraborty Dey 5 years, 2 months ago

a+b/2

0Thank You

ANSWER

Find hcf and lcm of 18 and 24

Posted by Yash Garg 5 years, 2 months ago

CBSE > Class 10 > Mathematics

4 answers

Dhruv Singhal 5 years, 2 months ago

HCF is 2

0Thank You

Yangzee Sherpa 5 years, 2 months ago

HoPe It HeLpS yOu??

1Thank You

Yangzee Sherpa 5 years, 2 months ago

HCF:6 & LCM:72.

0Thank You

Nayana Nilam Siddiquee 5 years, 2 months ago

Your answer- hcf=2 and lcm=216

0Thank You

ANSWER

What is the General equation of Arithmetic Progression ?

Posted by Vishnupriya Ravi 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Sanika Walimbe 5 years, 2 months ago

A+(n-1) d = an

0Thank You

ANSWER

What is the difference between Sum and value

Posted by Vishnupriya Ravi 5 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 4 years, 6 months ago

Sum is a figure obtained by addition of more than one figure. Amount is a single figure. May be Amount is singular and Sum is plural. The SUM is the addition of any two or more than two numbers while AMOUNT is a particular given number or value.

0Thank You

ANSWER

Write some important questions in Arithmetic Progression

Posted by Vishnupriya Ravi 5 years, 2 months ago

CBSE > Class 10 > Mathematics