Answer:
Step-by-step explanation:
What give me the question
= <span>(-8x - 9)(-9x2 + 7x - 9)
= 72x</span>³ - 56x² + 72x + 81x² - 63x + 81
= 72x³ + 25x² + 9x + 81
In short, Your Answer would be: Option D
Hope this helps!
Answer:
25% = (p) 1/4 = picking a number 9.
(p) 1/4 = 0.25 (results getting a number more than 8 or just getting 9
This is add rule from the 4 card set.
1/4 + 0 + 0 + 0 = 1/4
Because each (P) is equal and shows (P); 1/4
there are 1 event so 1/4 + 0= 1/4 = 0.25%
Step-by-step explanation:
0.25 x 100 = 25%
Answer:
6). Option A
7). Option C
8). Y = 62°
Step-by-step explanation:
6). Let the missing angle = x°
By applying cosine rule to find the missing angle,
cos(x°) = 
= 
x = 
x = 18.92°
x ≈ 19°
Option A is the answer.
7). Let the missing angle = x°
By applying cosine rule in the given triangle,
cos(x°) = 
cos(x°) = 
x = 
x = 13.17
x = 13°
Therefore, Option C is the answer.
8). tanY = 1.8807
Y = 
Y = 62°