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  • 1 answers

Indira Ramesh 1 day, 11 hours ago

Let the number of blue balls be =x

P(red ball)=5/x+5

P(blue ball)=x/x+5

Given condition P(blue ball)=3×P(red ball)

x/x+5=3×5/x+5

x=15

Number of blue balls=15

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  • 2 answers

Chubirth G. Momin 2 days, 4 hours ago

Solve the following pair of linear equations by the elimination method and the substitution method 3x-5y-4=0 and 9x=2y+7

Chubirth G. Momin 1 day, 14 hours ago

3x-5y-4=0 and 9x=2y+7
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  • 2 answers
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Vansh Prajapati 4 days, 8 hours ago

Product of zeroes to the whole square(alpha beta to the whole square)plus sum of zeroes(alpha plus beta)...
  • 1 answers

Angel Agarwal 4 days, 10 hours ago

4x²+6x-2x-3 =2x(2x+3)-1(2x+3) =(2x-1)(2x+3) The zeroes are -3/2 and 1/2
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Angel Agarwal 4 days, 10 hours ago

It can be written as 15×(12×13×14×16+1) Thus it is a composite number as it has factors other than 1 and itself
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  • 1 answers

R Sandhesh 5 days, 14 hours ago

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  • 1 answers

Utkarsh Pandey 5 days, 15 hours ago

Let 3÷2/5 is rational
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Swastik Arya 6 days, 7 hours ago

Suppose that root 2is a rational number so we can write in the form of P/q P and q have command factor it's simplefy we get a/b. √2=a/b √2a=b A=√2b Both side square 2a sq=2b sq A=2c √2b=2c A =4/2c A sq=2c sq This is opposite statement so√2is a irrational numbers
  • 2 answers

Jasmeen Kaur 6 days, 13 hours ago

Chapter 5 exrise 5.1 full explain plese

Johirul Islam 6 days, 20 hours ago

2+7
  • 1 answers

Noopur Singh 6 days, 14 hours ago

Algebraically- Let Aftab's present age = x Let Aftabs daughter's present age = y => x - 7 = 7(y - 7) Also, x + 3 = 3 (y + 3) Graphically- Solve the above equations to get 3 values of both x and y by substituting 1 value for either x or y and then equating, then mark the points on a graph and draw a straight line passing through all the points.
  • 2 answers
HCF X LCM = Product of the numbers 60 X 2 = a x b We are given that one of the no.s is 6. 60 x 2 = a x 6 120 = 6a a=20

Gitika Gupta 5 days, 14 hours ago

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Then find the value of k. Here, As we know that Putting the value of The given equation will have real and equal roots, if Now factorizing of the above equation Now according to question, the value of k is positive. Therefore, the value of
  • 1 answers

Noopur Singh 6 days, 13 hours ago

Solve for 3 values of x and y by substituting 1 variable and equating. Draw a table with the solutions x = 1, 0, 3 y = 0, 3, -6 Now mark the coordinates of the solutions (1, 0), (0, 3), (3, -6) Draw a straight line passing through the three points marked. (Make sure to double check my calculations just in case)
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Muskan Gujjar❤ 5 days, 14 hours ago

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Harsh Kumar Jha 5 days, 14 hours ago

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  • 3 answers

Yashi Mishra 5 days, 12 hours ago

a²+b²+2ab
a2 + 2ab + b2.

Raviranjan Kumar 1 week, 3 days ago

a²+b²+2ab
  • 1 answers
alpha + beta = -b/a = 5/2 value of alpha into beta = c/a = 7/2 Find :- 1/alpha + 1/beta taking lcm alpha beta so, alpha + beta / alpha into beta 5/2 /7/2 10/14 simplest form is 5/7 is the balue of 1/alpha + 1/beta Answer :- 5/7

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