1) -5-4i
2) 5+4i
3) -4+5i
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11/12 as a fraction is 11/12; as a decimal it is ~ 0.9167
Hey there!
Solve using pythagoras theorem (it's given that is triangle is right angled. Pythagoras theorem only works in the case of right triangles) ⇨ Hypotenuse² = Base² + Altitude ²
Here,
Base = 9 mm
Hypotenuse = 15 mm
Altitude = b
Hypotenuse² = Base² + Altitude ²
15² = 9² + b²
225 = 81 + b²
225 - 81 = b²
144 = b²
√144 = b
<u>1</u><u>2</u><u> </u><u>mm </u>= b
Hope it helps ya!
Answer:

Step-by-step explanation:
Hello
To simplify the polynomial we must eliminate the parentheses
by definition


I hope it helps
Have a great day