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What number multiplied by what number gives the product of negative 72 and sum of negative 4?
The numbers are: -2 +2*sq rt 19 and -2 -2*sq rt 19 Check: (-2 +2*sq rt 19)*(-2 -2*sq rt 19) = -72 and (-2 +2*sq rt 19)+(-2 -2*sq rt 19) = -4
What is the square root of negative 2 the square root of 3 squared plus negative 2 squared?
sq rt (-2) + (sq rt 3))2 + (-2)2= i(sq rt 2) + 7 = 7 + i(sq rt 2) answerthis is a complex number, it cannot be further simplified.
What is the perimeter of a right angle triangle whose vertices are at 2 3 and 4 9 and 5 2 giving your answer in surd form?
The lengths of the sides of the triangle are: 2*sq rt of 10, 5*sq rt of 2 and sq rt of 10 The 3 sides added together equals the perimeter which works out as 3* sq rt of 10 plus 5*sq rt of 2 in surd form
What is the ratio of the length of the diagonal to the length of side of a square?
The length of the diagonal of a square is (sq rt 2) x the side length. C^2 = A^2 + B^2 C = sq rt (A^2 + B^2) = sq rt (2 s^2) = (sq rt 2) x s
What adds to 25 but multiplies to -48?
The numbers are: (25 +sq rt of 817)/2 and (25 -sq rt of 817)/2
What is the exact value of cos 15?
It is: cos(15) = (sq rt of 6+sq rt of 2)/4
What multiplies to be 4 but adds to be negative 8?
The numbers are -4+2*sq rt of 3 and -4-2*sq rt of 3
What can you multiply to get 32 and add to get 76?
108
What multiplies to get -225 and adds to get 2?
-223
What two numbers when multiplied or added equals 12?
The numbers are: 6+2*sq rt of 6 and 6-2*sq rt of 6.
What is the square root of 18 Times Square root of 2?
to do this multiply 18 x 2 and take sq rt - sq rt (36) = 6
What two numbers add up to -1 and multiply to -1?
The numbers are: -(1+sq rt 5)/2 and (-1+sq rt 5)/2
