Y= (5x - 2) (x - 5) in standard form should be Y= 5x^2 -27x +10
Let one acute angle be X and one be Y
X+Y=90 -------Eq.1
2X+12=Y
2X-Y=-12------Eq.2
solving eq 1&2 we get,
3x=78
∴X=26
substituting value X in equation.1
X+Y=90
Y=90-26
∴Y=64
⇒answer:- X=26°
Y=64°
40% of (times) X
4/10 of (times) X or 2/5 or .4
145 (times) .4 which is 58
Answer:
x= 45
Step-by-step explanation:
90-45=x
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