Answer:
2nd option
Step-by-step explanation:
To convert from (x, y ) → (r, θ )
where
r =
θ = ( )
Here (x, y ) = (- 4, 5 ), a point in the 2nd quadrant
r = = =
θ = ( ) ≈ 51.3° ← related acute angle , then
θ = 180° - 51.3° = 128.7°
Thus
(- 4, 5 ) → (, 128.7° ) in polar form
Answer:
3x4-2x3-2x2+4x-10
Step-by-step explanation:
you just add the ones that are similar to each other.
Add or subtract numbers from both sides
54/18 is an improper fraction. It means that the numerator is greater than the denominator. To simplify and improper fraction, it must become a mixed fraction, a combination of a whole number and a proper fraction.
54/18. we need to use long division.
_<u>03</u>
18 | 54
<u>54 </u> 18 * 3
0
54/18 = 3 Whole number because there is no excess.
Answer:
The answer is 180.
Step-by-step explanation:
(5/12) x 432 = 180