Answer:
D.
Step-by-step explanation:

Answer:
-4
explanation:
since there is subtraction sign in front of the negative 2 it would change into a positive 2.
-6 + 2 = -4
Answer:
9
Step-by-step explanation:

Hope this helps!
Answer:
Below.
Step-by-step explanation:
- tan 2x = -2tanx / (1 - tan^2x)
Using the identity tan^2x = sec^2x - 1 and substituting for tan^2x:
- tan 2x = -2 tanx / (1 - (sec^2x - 1))
= 2 tanx / ( - 1(sec^2x + 2))
= 2 tan x / (sec^2 x - 2)
Zara has paper rectangles. Length and width of any rectangle is directly proportional.
<u>SOLUTION:
</u>
Given, Zara has paper rectangles of different sizes
Every rectangle is 5 cm longer than it is wide
We have to find that is there a proportional relationship between the length and width of these rectangles.
From the given information, length is 5 cm longer than width for any rectangle.
Then, length of rectangle = 5 + width of rectangle.
When we increase width of rectangle length also increases. From above equation.
Hence, length and width of any rectangle is directly proportional.