Answer:
25
Step-by-step explanation:
25 times 0.36 is 9
9 divided by 0.36 equals 25
Answer:
Step-by-step explanation:
Supplement angle is 57degree 15'
X=8+y
x+y=70
Rewrite the first equation to x-y=8
Copy the second equation x+y=70
Add the two equations and you get 2x=78
Therefore, x=39. Since this is the bigger number the smaller number(y) would have to be 31 because you subtract 8 from x which is 39. 39 is your answer.
Answer:
2x + 7y
Step-by-step explanation:
3x + 5y - x + 2y
Arrange it to be simplified easier,
3x - x + 5y + 2y
3x - x = 2x
5y + 2y = 7y
2x + 7y
To find if the square root of a number is irrational or not, check to see if its prime factors all have even exponents. It also shows us there must be irrational numbers (such as the square root of two) ... in case we ever doubted it!
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