The number is -81.
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No it isn't a perfect cube since if you start with 3, (3*3*3=27) and go to 4, (4*4*4=64) there isn't a number that multiplies by itself 3 times to equal 50.
y = 3 in the equation 31 = 4 - 9y Solve for y. 31 - 4 = 4 - 9y - 4 Simplify 27 = 9y Divide both sides by 9 to get the term y by itself on one side of the equation. 27 / 9 = 9y / 9 Simplify 3 = y
27/36 = 27 ÷ 36 = 0.75 27 ÷ 9 = 3 36 ÷ 9 = 4 ⇒ 27/36 = 3/4 (= 0.75)
3/4 of 36 is 27
To find 3/4 of 36, you multiply 36 by 3/4. This can be calculated as 36 * 3/4 = 108/4 = 27. So, 3/4 of 36 is equal to 27 because when you take three-quarters of 36, you are essentially finding 75% of 36, which is 27.