Answer:
sin B = 15/17
Cos B = 8/17
Tan B = 15/8
Step-by-step explanation:
We have
(a + b)² = a² + 2ab + b²
so that with a = x² and b = 5, we have
x⁴ + 10x² + 25 = (x² + 5)²
Next, we have
a² - b² = (a - b) (a + b)
so that with a = x and b = √5 i,
x² + 5 = x² - (-5) = (x - √5 i) (x + √5 i)
So, the complete factorization over the complexes is
(x - √5 i)² (x + √5 i)²
8x+11=315 where x = the number of students on each bus
x = 38 students
It is 5! you do 35 divided by 5 it is 7
Hope this helps.
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