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ANSWER

Find the median for the following data Class: 130-140,140-150,150-160,160-170,170-180,180-190,190-200 Frequency: 5,9,17,28,24,10,7

Posted by Krishnajith Gopi 4 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 4 years, 4 months ago

Add all the frequencies first: 5 + 9 + 17 + 28 + 24 + 10 + 7 = 100 Divide the frequency total by 2 to find median:
100 ÷ 2 = 50th data
Calculate where the 50th number stands
5 + 9 + 17 + 28 = 59
So, this means the 50th person is in the geoup where frequency is 28
So, median = 160-170

ANSWER

WHAT IS THE FORMULA FOR SIN THETA

Posted by Chirag Khanna 4 years, 5 months ago

CBSE > Class 10 > Mathematics

5 answers

Shikha Bharti 4 years, 5 months ago

Sin A = p/h

Somesh Smruti 4 years, 5 months ago

Sin theta = perpendicular/ hypotenuse or p/h

Jeeya Surana 4 years, 5 months ago

Sin thetha=opp/hyp

Nithyashree Suresh Babu 4 years, 5 months ago

Sin theta=opposite/hypotenuse

Account Deleted 4 years, 5 months ago

p\h

ANSWER

Find the lcm of 5005

Posted by Deepthi N. Murthy 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Nishika Sharma 4 years, 5 months ago

5*7*11*13

Nishika Sharma 4 years, 5 months ago

5*7*11*13

ANSWER

in a construction company three workers are doing work together Ankur and Mahesh can do piece of work in 12 days and Mahesh and Ramu can do it in 15 days while Ramu and Ankur can finish it in 20 days in how many days Ankur Mahesh and remove it working together second in how many days Ankur will finish the work alone

Posted by Genius Mind 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

N . 4 years, 5 months ago

Which chapter????

ANSWER

Find the point on the x-axis which is equidistant from the point A(-2,3) B(5,4)

Posted by Anjali Kumari 4 years, 5 months ago

CBSE > Class 10 > Mathematics

5 answers

Mallika Mondal 4 years, 5 months ago

Danish Ali you answer is right

Mallika Mondal 4 years, 5 months ago

Noo

Mallika Mondal 4 years, 5 months ago

A (-2,3) B (5,4) so, = root (-2-5)square + (3-4)square root 49+1 =root ka 50 ans

Anjali Kumari 4 years, 5 months ago

I am confuse for this answer 3 line equation

Danish Ali 4 years, 5 months ago

Correct option is A (2,0) AC=BC (Equidistance) AC2=BC2 (x−5)2+(0−4)2=(x+2)2+(0−3)2 x2−10x+25+16=x2+4+4x+9 −14x+41−13=0 −14x+28=0 =14x=−28 x=28/14x=2

ANSWER

The length, breadth and height of a room are 8m 25cm, 6m 75cm and 4m 50cm respectively.Find the length of longest rod that can measure the three dimensions of the room exactly.

Posted by Jain Anil 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Somesh Smruti 4 years, 5 months ago

The longest rod is the diagonal of the room which is calculated as √(l^2+b^2+h^2) Convert all the values in cm Which is like L=825cm B=675 cm H=450cm Diagonal= √1338750cm^2=1157 cm

Khushi 4 years, 5 months ago

Using prime factorization: 825 = 3×52×11 675 = 33×52 450 = 2×32×52 From the above, HCF = 3×52 = 75 Hence, the longest rod which can measure the three dimensions of the room exactly will be 75 cm long.

ANSWER

In triangle abc right anled at b ab=24 cm bc=7cm determine

Posted by Arun Swarnakar 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Palak ? 4 years, 5 months ago

25cm is correct answer

Sundaram Katare 4 years, 5 months ago

Ac = 25 cm We can find it by Pythagoras theorem.

ANSWER

The length, breadth and height of a room are 5m 25cm, 6m 45cm and 7m 50cm respectively. Find the length of the longest rod that can measures the dimensions of the room exactly.

Posted by Sadaf Jya 4 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Friends ✔ chapter 2 = polynomial Mein cubic polynomial Hai yah deleted hai????

Posted by Shruti Kushwaha 4 years, 5 months ago

CBSE > Class 10 > Mathematics

5 answers

Ananya Dogra 4 years, 5 months ago

Ni hua hai delete maths main sab padhna hai bhai

Yash Bansal 4 years, 5 months ago

Isme se 1 number ka fas sakta he bhai toh thoda bhut padke jaaye ok dear ?

Rajeev Singh Bisht 4 years, 5 months ago

Ha bhai delete hai??

Oav Papadahandi 4 years, 5 months ago

Delete ho geya h yrr?

Shreya Gupta 4 years, 5 months ago

Yes it is

ANSWER

Which of the following has high atomic radius and why? Na, Li , Rb , Cs .

Posted by Priyanshi Yadav 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

N . 4 years, 5 months ago

Shreya Gupta 4 years, 5 months ago

Cs will have highest Atomic radius because while going down in a group number of shells increases due to which atomic radius also increases

ANSWER

In a quaint little town, there was a pretty little stream, with pretty little fish. A tourist saw a fisherman and asked him how much a little fish weighed. The fisherman said: All the fish in this stream weigh exactly 1/3 of a pound plus 2/3 of a fish. How many pounds does a pretty little fish weigh? AnswerinIntegerAnswerinInteger

Posted by Aangi Mehta 4 years, 5 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Draw a circle with two lines parallel to a given line which is the tangent of one circle and the intersection of the other circle

Posted by Kashish Purohit 4 years, 5 months ago

CBSE > Class 10 > Mathematics

3 answers

Kanak Chauhan 4 years, 5 months ago

We can't draw a circle in this app

Vicky Saab 4 years, 5 months ago

?????

Nidhi Kumari 4 years, 5 months ago

Tha

ANSWER

Can anyone say what step to follow to get centum in maths

Posted by Divya Dharshini 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Divya Dharshini 4 years, 5 months ago

For standard question paper

ANSWER

How many terms of the AP: 9, 17, 25, ... must be taken to give a sum of 636?

Posted by Priya Tomar 4 years, 5 months ago

CBSE > Class 10 > Mathematics

4 answers

Babita Mohanta 4 years, 5 months ago

Kanak Chauhan 4 years, 5 months ago

Term be 12 , -53/4 ..

Shiva Gowri 4 years, 5 months ago

Ayush Sharma 4 years, 5 months ago

S=n/2(2a+(n-1) d) 636n=n/2(2*9+(n-1) 8) 318n=n(18+8n-8) 318n=n(10+8n) 318n=10n+8n^2 318n-10n=8n^2

ANSWER

Which term of the AP 3, 15, 27, 39,...... will be 132 more than its 54th term?

Posted by Karan Jaat 4 years, 5 months ago

CBSE > Class 10 > Mathematics

5 answers

Ankita Sharma 4 years, 5 months ago

Shushant Singh 4 years, 5 months ago

Answer is 65term

Mitali Masare 4 years, 5 months ago

65th term

Mitali Masare 4 years, 5 months ago

Ans b= 65

Ishika Goyal 4 years, 5 months ago

a=3 d=15-3=12 Let the term of the ap be añ añ=a54+132 a+(n-1)d=a+53d+132 Putting the values 3+(n-1)12=3+53*12+132 3+12n-12=3+636+132 12n-9=3+768 12n-9=771 12n=771+9 12n=780 n=780/12 n=65

ANSWER

What is value of sin45°

Posted by Simer Ghuman 4 years, 5 months ago

CBSE > Class 10 > Mathematics

5 answers

Ishika Goyal 4 years, 5 months ago

1/root2

Atul Kumar 4 years, 5 months ago

√2/2

Drashti Ambiya 4 years, 5 months ago

1/root2

Karan Jaat 4 years, 5 months ago

1/root2

Sakshi Sharma 4 years, 5 months ago

1/root2

ANSWER

Find the nature of the roots of the quadratic equation 2/x^2-5/x+2= 0 and solve it

Posted by Karthick S 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Kanak Chauhan 4 years, 5 months ago

The nature of the roots be real and distinct.. and roots be 2 , 1/2 ..

ANSWER

The volume of a cylinder is 300m then of a cone having the same radius and having as that of the cylinder is. A.900m B.600m C.150m D 100m

Posted by Sonali Kumari 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Sakshi Sharma 4 years, 5 months ago

The volume of cone is 1/3 of volume of cylinder. So ryt answer is 100m

Arkan Khan - A 4 years, 5 months ago

The volume of a cylinder is 300 m then the volume of a cone having the same radius and height as that of the cylinder is : A 900 m

ANSWER

What is Real Number ?

Posted by Harshal Bharatdwaj 4 years, 5 months ago

CBSE > Class 10 > Mathematics

4 answers

Aditi Kumari 4 years, 5 months ago

Real no.is a value that represents on a number line. Denoted by symbol'R'. Real no. Include all number such as····· natural no.»1️⃣,2️⃣,3️⃣,4️⃣,5️⃣,6️⃣............ Whole no.»0️⃣,1️⃣,2️⃣,3️⃣........... Rational no.»p/q wher q✖️equal to 0️⃣ Irrational no.»+ve–1️⃣,2️⃣,3️⃣,4️⃣......... -ve– -1️⃣,-2️⃣,-3️⃣,-4️⃣...... Or all types of no.

Nidhi Kumari 4 years, 5 months ago

Family of rational and irrational is known as real no.

Arkan Khan - A 4 years, 5 months ago

In mathematics, a real number is a value of a continuous quantity that can represent a distance along a line (or alternatively, a quantity that can be represented as an infinite decimal expansion). The adjective real in this context was introduced in the 17th century by René Descartes, who distinguished between real and imaginary roots of polynomials. The real numbers include all the rational numbers, such as the integer −5 and the fraction 4/3, and all the irrational numbers, such as √2 (1.41421356..., the square root of 2, an irrational algebraic number). Included within the irrationals are the real transcendental numbers, such as π (3.14159265...).[1] In addition to measuring distance, real numbers can be used to measure quantities such as time, mass, energy, velocity, and many more. The set of real numbers is denoted using the symbol R or {\displaystyle \mathbb {R} }\mathbb {R} [2][3] and is sometimes called "the reals".[4] A symbol for the set of real numbers Real numbers can be thought of as points on an infinitely long line called the number line or real line, where the points corresponding to integers are equally spaced. Any real number can be determined by a possibly infinite decimal representation, such as that of 8.632, where each consecutive digit is measured in units one-tenth the size of the previous one. The real line can be thought of as a part of the complex plane, and the real numbers can be thought of as a part of the complex numbers. Real numbers can be thought of as points on an infinitely long number line These descriptions of the real numbers are not sufficiently rigorous by the modern standards of pure mathematics. The discovery of a suitably rigorous definition of the real numbers—indeed, the realization that a better definition was needed—was one of the most important developments of 19th-century mathematics. The current standard axiomatic definition is that real numbers form the unique Dedekind-complete ordered field ({\displaystyle \mathbb {R} }\mathbb {R} ; + ; · ; <), up to an isomorphism,[a] whereas popular constructive definitions of real numbers include declaring them as equivalence classes of Cauchy sequences (of rational numbers), Dedekind cuts, or infinite decimal representations, together with precise interpretations for the arithmetic operations and the order relation. All these definitions satisfy the axiomatic definition and are thus equivalent. The set of all real numbers is uncountable, in the sense that while both the set of all natural numbers and the set of all real numbers are infinite sets, there can be no one-to-one function from the real numbers to the natural numbers. In fact, the cardinality of the set of all real numbers, denoted by {\displaystyle {\mathfrak {c}}}{\mathfrak {c}} and called the cardinality of the continuum,[2] is strictly greater than the cardinality of the set of all natural numbers (denoted {\displaystyle \aleph _{0}}\aleph _{0}, 'aleph-naught'[2]). The statement that there is no subset of the reals with cardinality strictly greater than {\displaystyle \aleph _{0}}\aleph _{0} and strictly smaller than {\displaystyle {\mathfrak {c}}}{\mathfrak {c}} is known as the continuum hypothesis (CH). It is known to be neither provable nor refutable using the axioms of Zermelo–Fraenkel set theory including the axiom of choice (ZFC)—the standard foundation of modern mathematics. In fact, some models of ZFC satisfy CH, while others violate it.

Arjun Choudhari 4 years, 5 months ago

Real Numbers Definition Real numbers can be defined as the union of both the rational and irrational numbers. They can be both positive or negative and are denoted by the symbol “R”. All the natural numbers, decimals and fractions come under this category.

ANSWER

IF x/3 +y/4 = 6 and x/6 + y/2 = 6 find the value of 3y _ 2x and x/y + 1/2

Posted by Puneetyadav Yadav 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Priya Dharshini 4 years, 5 months ago

x/3 + y/4=6 Taking LCM 4x + 3y = 72........(1) x/3 + y/4 = 6 Taking LCM 1x + 3y= 36.......(2) By elimination method. 4x + 3y = 72 - - - 1x + 3y = 36 --------------------- 3x= 36 X= 12 From eqn 2 3y = 36-12 Y = 8 Apply x and you value •3y-2x = 24-24=0 •x/y + 1/2 = 12/8 + 1/2 = 12/8+4/8 = 16/8 = 2

ANSWER

Find the largest number which divide 129 and545 leaving remainder 3 and 5.

Posted by Yograj Kasyap 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Oav Papadahandi 4 years, 5 months ago

ANSWER

Prove that √3+√4 is a irrational number

Posted by Mithilesh Kannaujiya 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Anurag Gupta 4 years, 5 months ago

Lets assume that : √3 + √4 is rational. √3 + √4 = r , where r is rational Squaring both sides , we get [√3 + √4 ]² = r² 3 + 2√12 + 4 = r² 7 + 2√12 = r² 2√12 = r² - 6 √12 = [ r² - 6] / 2 R.H.S is purely rational , whereas , L.H.S is irrational. This is a contradiction. This means that our assumption was wrong. Hence , √3 + √4 is irrational.

Nikhil Mittal 4 years, 5 months ago

r Prove root3 + root4 is an irrational no. Mathematics 1 Answers Ramkishore Pingle Grade 10 Lets assume that : √3 + √4 is rational. √3 + √4 = r , where r is rational Squaring both sides , we get [√3 + √4 ]² = r² 3 + 2√12 + 4 = r² 7 + 2√12 = r² 2√12 = r² - 6 √12 = [ r² - 6] / 2 R.H.S is purely rational , whereas , L.H.S is irrational. This is a contradiction. This means that our assumption was wrong. Hence , √3 + √4 is irrational

ANSWER

What was the square root of 11992

Posted by Abhishek Yadav 4 years, 5 months ago

CBSE > Class 10 > Mathematics

3 answers

Karan Jaat 4 years, 5 months ago

109.50

Oav Papadahandi 4 years, 5 months ago

10950799/100000

Ashish Singh Ashish Singh 4 years, 5 months ago

109.50799

ANSWER

In a rhombus of side 10cm, one of the diagonal is 12cm long. Find the lengthof the second diagonal

Posted by Babita Nisad 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Chandan Kumar 4 years, 5 months ago

Hii

Roopam Almadi 4 years, 5 months ago

The length of other diagonal is 16 cm

ANSWER

Basic Sample paper solve

Posted by Yuvraj Satyal 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Mitali Masare 4 years, 5 months ago

Ya I have

ANSWER

Write a negative integer and a positive integer whose difference is -3.

Posted by Aman Yadav 4 years, 5 months ago

CBSE > Class 10 > Mathematics

4 answers

Sakshi Sharma 4 years, 5 months ago

-8+5=-3

Ag Gaming 4 years, 5 months ago

2-5=-3

Divya Soni 4 years, 5 months ago

-14-11=-3

Ayush Singh 4 years, 5 months ago

(3 – 6) = (–3)

ANSWER

Check whether the following are quadratic equation : 16x^2-3= (2x+5)(5x-3)

Posted by Abhinav Kumar 4 years, 5 months ago

CBSE > Class 10 > Mathematics

1 answers

Astrid Babe 4 years, 5 months ago

16x^2-3=10x^2-6x+25x-15 16x^2-3-10x^2+15=19x 6x^2+12-19x=0 6x^2-19x+12=0 It is in ax^2+bx+c=0 form Therefore it is a quadratic equation Hope this is helpful for you ?? Thank u ??

ANSWER

How to f solve some application of trigonometry in 1 day

Posted by Dikshant Chaturvedi 4 years, 5 months ago

CBSE > Class 10 > Mathematics

2 answers

Itachi Uchiha ? 4 years, 5 months ago

Go to youtube and search for shobhi nirwan trigonometry .........they twach us all subject........they are too good

I M Unknown 4 years, 5 months ago

With the help of google

ANSWER

The pair of equation X+y=1 and X+y=-5 has

Posted by Ahmad Khan 4 years, 5 months ago

CBSE > Class 10 > Mathematics

4 answers

Sumit Pandey 4 years, 5 months ago

X+y=1 X+y-1=0...... Eq.1 X+y=-5 X+y+5=0.........Eq.2 From eq.1 and eq.2 we have: a1=X b1=y. c1=-1 a1=X. b1=y. c2=5 a1/a2 =X/X =1 b1/b2=y/y=1 c1/c2=-1/5 Therefore the following equation has no solution as a1/a2=b1/b2but not equal to c1/c2

Dikshant Chaturvedi 4 years, 5 months ago

Well find value of x by solving eq 1 and than use substitution method and put the value of x into eq 2 x+y=-5 than u get the value of y after that put the value of y into the eq 3 x=1-y u get value of x

Tanvi @1201 4 years, 5 months ago

No solution

Kanak Vishnoi 4 years, 5 months ago

X+y=1