6kg cost 27
1kg cost 4.5
13kg X 4.5= 58.5
Step-by-step explanation:
3(x+4) ≤ 36
3x + 12 ≤ 36
3x ≤ 24
x ≤ 8
Answer: $585
Step-by-step explanation:
Find the area of the trapezoid (Area: 117 sq ft)
Multiply the area by 5 because each square feet is $5
And vola your answer!
Answer:
sin⁴x - sin²x
sin²x(sin²x - 1)
(1 - cos²x)(1 - cos²x - 1)
(1 - cos²x)(-cos²x)
-cos²x + cos⁴x
cos⁴x - cos²x