Correct option is D) -0.6.
<u>Step-by-step explanation:</u>
We have
. Also, we know that
. Let's find out value of
using above formula:

⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
But we know that cos
is negative in third quadrant , Therefore
.
Hence, correct option is D) -0.6.
Answer:
C
Step-by-step explanation:
First, determine the amount it takes- in this case, it's 82.5 miles. To find out the gallons he'll need to use, divide it by 30 to get 2.75 gallons. 3.05 times 2.75 is 8.3875, rounding to $8.39.
Answer: B
Step-by-step explanation: The Product and sum of 17 and both irrational.
Answer:
6x^3-33x^2+45x-6
Step-by-step explanation:
I think its
x² - 2x + y² + 6y - 6 = 0
x² - 2x + y² + 6y = 6
(x² - 2x + 1) + (y² + 6y + 9) = 6 + 1 + 9
(x - 1)² + (y + 3)² = 16
center: (h, k) = (x, y) = (1, -3)
radius: 4