Answer:
Step-by-step explanation:
Given that the angle is located in Quadrant II; and
In Quadrant II, x is negative and y is positive.
To find , we first determine the opposite angle of .
This will be done using the Pythagoras theorem.
Therefore:
Answer:
Alternative
Step-by-step explanation:
Answer:
6/5
Step-by-step explanation:
Remember: to divide a number by a fraction, invert the fraction and multiply.
Here "the number" is 4/5 and you want to divide it by 2/3. Invert the '2/3', obtaining 3/2, and then multiply the '4/5" by '3/2":
12/10 = 6/5 (answer)
Answer:
78
Step-by-step explanation:
You need to find the volume of the coated sphere and then take away the volume of the original sphere.
Volume of sphere = 4 thirds x pi x r cubed
(4 x 3.14 x 12 x 12 x 12) / 3 = 7234.56
(4 x 3.14 x 9 x 9 x 9) / 3 = 3052.08
take away = 4182.48