Answer:
2.7930 ×
Step-by-step explanation:
1.9 × 105 × 140 = 27,930
Scientific notation: 2.7930 ×
14x-4w+14y
9x+5x-8w+4w+9y+5y
=14x-4w+14y
24
10
substitute 0 for x in the equation.
-9(0) - 2y= -20
0 - 2y = -20
-2y= -20 (divide by -2)
y = 10
cos x and sin x are sinusoids
X^2 is not
the answer is C.
