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a=x power y Power and b=xy2 where x,y

Posted by Ayati Gupta 1 year, 4 months ago

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Sum of the areas of two squares is 468 m² If the difference of their perimeters is 24 m, find the sides of the two squares

Posted by Vasuki Kannankumar 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Find the sum:- 7+10½+14...+84

Posted by Mohit Gothwal 1 year, 4 months ago

CBSE > Class 10 > Mathematics

3 answers

Khwahis Parveen 1 year, 4 months ago

7+10½+14+........+84 Now first find the n By the formula, An=a+(n-1)×d Here, An =84 a=7 and d = 7/2 Put the value 84=7+(n-1)×7/2 84=7+7/2n-7/2 84=7/2+7/2n 84-7/2=7/2n 161/2=7/2n n=23 Sn=n/2(a+l) Sn=23/2(7+84) Sn=23/2×91 Sn=2093/2 Sn=1046.5 OR Sn=1046½

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Mohit Gothwal 1 year, 4 months ago

No... I can't find the answer by this shall we use n/2 (a+l)

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Saurav Kumar Dwivedi 1 year, 4 months ago

Apply the formula of Sn term = n/2(2a +(n-1)d) of arithmetic progression you will definitely get answer

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Prove that sec A (1-sin A)(sec A+ tan A) = 1

Posted by Mohit Gothwal 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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AOBC is a rectangle whose vertical are A(0, 3) B(5, 0) O(0, 0) find the length of it's diagonal

Posted by Prachi Dhruw 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Venu gopal has twice as many sisters as he has brothers if shobha venu sisters has the same Number of brothers as she has sisters then find the number brother of shobha

Posted by Kantilal Parjapati 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Preet Mistry 1 year, 4 months ago

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Find the 99th term of the AP whose nth term is given by 4-6n.

Posted by Sakshi Mandal 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Sakshi Mandal 1 year, 4 months ago

-590

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Sakshi Mandal 1 year, 4 months ago

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David Gawande 1 year, 4 months ago

-786

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The total term of an AP is 250 and a=3,d=5 then find n

Posted by Nikitha Chandra R 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Check graphically whether the pair of equations x+3y=6 and 2x-3y=12 is consistent . If so solve them graphically

Posted by Bhasha Sahu 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Using prime factorization find the LCM and HCF 144 and 198 in each case verify that HCFinto LCM =product of given number

Posted by Shivani Santhosh Kumar 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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(a+b)2 =

Posted by Eklavya Harindra Nishad 1 year, 4 months ago

CBSE > Class 10 > Mathematics

4 answers

Pranav Wersun 1 year, 4 months ago

(a+b)^2=a^2+2ab+b^2

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Mohit Gothwal 1 year, 4 months ago

(a+b)²= a²+b²+2ab

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Sakshi Katravath 1 year, 4 months ago

(a+b)²=a²+2ab+b²

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Eklavya Harindra Nishad 1 year, 4 months ago

2a +2b

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2xsquar+4x+3=0

Posted by Sachin Rajput 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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If Sn denotes the first n terms of an ap then prove that S12=3(S8-S4)

Posted by P.Murugesh Pandi 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Jasleen saved rupees 5 in the first week of the year and then increased her weekly savings by rupees 1.75 each week in which week will her savings be RS 20.75?

Posted by Rimzim Keswani 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Darsh Chaudhary 1 year, 4 months ago

In 5 weeks

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Prove that : cosec^2x-sin^2x cot^2- cot^2x/sin^2x =1

Posted by Prachi Kulkarni 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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In a right angle triangle PQR angle Q =90 . Which if the following these is always 0

Posted by Prachi Kulkarni 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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3x²-3√2x+1

Posted by Ojasvi Verma 1 year, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Pratibha Pratibha 1 year, 4 months ago

(√3x-1)(√3x-1)=0 x=1/√3,x=1/√3

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What is sigma

Posted by Anonymous 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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The value of remainder r , when a positive integer 'a' is divided by 3 are 0 and 1 only .Is it true?Jutify

Posted by Chiranthana Chiranthana 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Factorization of x2+21x+48

Posted by Ranu 😇 ❤️ Choudhary 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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What is this and why these formulas or identities are used Alpha square + beta square is equal to alpha + beta whole square minus 2 alpha beta

Posted by Priyanshi Singh 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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If p/q are irrational number

Posted by Azaharul Islam 1 year, 4 months ago

CBSE > Class 10 > Mathematics

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Pratibha Pratibha 1 year, 4 months ago

p/q is a rational number but not 0 and irrational number is can not form p/q

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Aditya Singh 1 year, 4 months ago

No, p/q is a rational number

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The area of rectangular plot is 528 m².The length of the plot ( in meters ,)is one more than twice it's breadth. We need to find the length and breadth of the plot

Posted by Sneha Singh 1 year, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Sandeep Kumar 1 year, 4 months ago

Let the breadth= x Length= 2x +1 Area =528m^2 2x^2 + x - 528 =0 2x^2 -32x+33x - 528=0 2x(x-16)+33(x-16)=0 (2x+33) (x-16)=0 2x-33=0 2x =-33 X =-33/2 We rejected X -16 =0 X =16 Hence the breadth= x =16 Length= 2x +1 = 2×16+1 =32+1=33

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Ch 13 statics ex13. 3

Posted by Bhuvansh Dhiman 1 year, 4 months ago

CBSE > Class 10 > Mathematics