55
The question was cut up a bit. Some possibilities: 90 minus 2 [ 90 - 2 = 88 ] 90 plus 2 [ 90 + 2 = 92 ] 90 times 2 [ 90 * 2 = 180 ] 90 divided-by 2 [ 90 / 2 = 45 ] 90 to-the-power-of 2 [ 90^2 = 8,100 ] 90 equals 2 [ No Solution ] Add on to the discussion to edit the question, if it wasn't answered.
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The square root of 81 is: ±9 (9 or -9)A square root is a number which, when multiplied by itself, equals the original number. As 9 x 9 = 81 and -9 x -9 = 81, the answer is plus or minus nine.
25% means 25/100 0.25 * $90 = $90 - $22.5 = $67.50
This is a simultaneous equation question. 4(3x+4y = 90) 3(4x-3y = -5) Multiply the top equation by 4 and the bottom equation by 3 then subtract the bottom equation from the top equation remembering that in maths a minus from a minus is equal to a plus. 12x+16y = 360 12x-9y = -15 And when subtracted: 0+25y = 375 Divide both sides of the equation by 25 to find the value of y: y = 15 Substitute 15 for y into the original equation to find the value of x: Solution: x = 10 and y = 15
125 + 25 - 90 + 35 - 20 = 5
Yes. The answer is......................................................................................................................................................................................................................................................2.
35
-10
90 + 90 + 60 = 240
390
90 minus 75 =15 therefore 15 + 75 = 90
54 + 560 + 90 = 704
6 + 90 = 96
80 + 10 equals 90 so the missing value is zero, ie 80 + 10 = 90 - 0
Oh, that's a happy little math problem! If you have a number that, when added to 90, equals 180, you're looking for the missing piece to complete the puzzle. In this case, that number is 90, because 90 + 90 equals 180. Just like adding a touch of color to bring a painting to life, you've found the perfect balance to make the equation complete.
190