Home
Class 12
MATHS
If sqrty = 3.216 , then sqrt(10y) =...

If `sqrty = 3.216` , then `sqrt(10y) = `

A

321.6

B

32.16

C

10.17

D

5.67

Text Solution

Verified by Experts

The correct Answer is:
C
Since `sqrty = 3.216 y ~~ 10.34` , and `10 y ~~ 103 . 4` , so `sqrt(10y) ~~ 10.17`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If 5-sqrt(3)=x+y sqrt(3) then (x,y) is

Distance of origin from the line (1+sqrt3)y+(1-sqrt3)x=10 along the line y=sqrt3x+k (1) 2/sqrt5 (2) 5sqrt2+k (3) 10 (4) 5

An equilateral triangle whose two vertices are (-2, 0) and (2, 0) and which lies in the first and second quadrants only is circumscribed by a circle whose equation is : (A) sqrt(3)x^2 + sqrt(3)y^2 - 4x +4 sqrt(3)y = 0 (B) sqrt(3)x^2 + sqrt(3)y^2 - 4x - 4 sqrt(3)y = 0 (C) sqrt(3)x^2 + sqrt(3)y^2 - 4y + 4 sqrt(3)y = 0 (D) sqrt(3)x^2 + sqrt(3)y^2 - 4y - 4 sqrt(3) = 0

Prove that the lines sqrt(3)x+y=0,\ sqrt(3)y+x=0,\ sqrt(3)x+y=1\ a n d\ sqrt(3)y+x=1 form a rhombus.

Prove that the diagonals of the parallelogram formed by the lines sqrt(3)x+y=0, sqrt(3) y+x=0, sqrt(3) x+y=1 and sqrt(3) y+x=1 are at right angles.

{:(sqrt(5)x - sqrt(7)y = 0),(sqrt(7)x - sqrt(3)y = 0):}

If x=8sqrt(3) and 3x=sqrt(3y) , what is the value of y?

sqrt x + y = 7 x+ sqrty = 11

A line x-y+1=0 cuts the y-axis at A. This line is rotated about A in the clockwise direction through 75^@. Find the equation of the line in the new position (A) sqrt(3)y + x = sqrt3 (B) sqrt x + y = sqrt3 (C) x + sqrty = 1 (D) sqrt x + y = 1

The equation of line on which the perpendicular from the origin make 30^0 angle with the x-axis and which form a triangle of area (50)/(sqrt(3)) with the axes is a. sqrt(3)x+y-10=0 b. sqrt(3)x+y+10=0 c. x+sqrt(3)y-10=0 d. x-sqrt(3)y-10=0

ENGLISH SAT-MODEL TEST 5-MCQs
  1. If f(x) = (3)/(x-2) and g(x) = sqrt(x + 1) , find the domain of f @ g.

    Text Solution

    |

  2. The overall average grade of a math course is based on homework (10 %)...

    Text Solution

    |

  3. If sqrty = 3.216 , then sqrt(10y) =

    Text Solution

    |

  4. What is the domain of the function f(x) log sqrt(2x^(2) - 15) ?

    Text Solution

    |

  5. A magazine has 1,200,000 subscribers , of whom 400,000 are women and 8...

    Text Solution

    |

  6. Let S be the sum of the first n terms of the arithmetic sequence 3, 7,...

    Text Solution

    |

  7. On the interval [-(pi)/(4) , (pi)/(4)] , the function f (x) = sqrt(1...

    Text Solution

    |

  8. A point has rectangular coordinates (3,4) . The polar coordinates are ...

    Text Solution

    |

  9. If f(x) = x^(2) - 4 , for what real number values of x will f(f(x))= 0...

    Text Solution

    |

  10. If f(x) = x log x and g(x) = 10^(x) , then g(f(2)) =

    Text Solution

    |

  11. If f(x) = x^(sqrtx) , then f(sqrt2)=

    Text Solution

    |

  12. The figure above shows the graph of 5^(x) . What is the sum of the are...

    Text Solution

    |

  13. (p,q) is called a lattice point if p and q are both integers . How man...

    Text Solution

    |

  14. If 9^(x) = sqrt3 and 2^(x+y) = 32 , then y =

    Text Solution

    |

  15. For all real numbers x , f(2x) = x^(2) - x + 3 . An expression for f(x...

    Text Solution

    |

  16. For what value (s) of k is x^(2) - kx + k divisible by x - k ?

    Text Solution

    |

  17. If the graphs of x^(2) = 4(y+9) and x + ky = 6 intersect on the x-axis...

    Text Solution

    |

  18. The length of the major axis of the ellipse ((x-3)^(2))/(16) + ((y+2...

    Text Solution

    |

  19. If f(n) = {{:( (f(n-1))/(2) " when " fn-1 "is an even number"), (3* f(...

    Text Solution

    |

  20. How many different rearrangements of the letters in the word CONTEST s...

    Text Solution

    |