Answer: 9 pieces
Explanation: Divide 8 by 7/8 to find the number of cut pieces and you'll get 9.
Triangle area formula: base*height/2
so, 14*10/2 = 7*10 = 70 sq. in.
Answer:
1) b
2)d
3)a
Step-by-step explanation:
1) count the number of different betwwen 2 cycles
2) take 5/160 time 8
3) take 12/9.6 then times 6.4
= x·[2(x²- 4x + 4) + 3(x² + 6x + 9) - x² + 5x]
= x(2x² - 8x + 8 + 3x² + 18x + 27 - x² + 5x)
= x(4x² + 15x + 35)
