6x + 45 + 3x = 180
9x - 45 = 180
9x = 135
x = 15
Answer:
after 1 Min it's -9
after 2 mins it's -1.08
Step-by-step explanation:
12% X 75 = 9
12% X 9 = 1.08
Change the mixed numbers into improper fractions:
5/3 X 9/2
Reduce - the 3 and 9 can be simplified
5/1 X 3/2
multiple numerators and denominators
15/2
Not sure how you need the answer - i would change it into a mixed number
7 1/2
Since 90 degree is 1/4 of a circle, the area will be 1/4 th area of the full circle.
The radius is given by, r = 8 ft, therefore, the area of the full circle is,

Therefore, the area of the sector is,
