Solve 2/3 X -1/5 >1. X=?
2 answers:
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notice, just like in any multiplication, you can simply multiply each term of either polynomial times the other, sum them up and then cancel like-terms.
Answer:
<u>Step-by-step explanation:</u>
y = A sin (Bx - C) + D
- A: amplitude = max - D <em>or</em> D - min
- B: Period = 2π/B ---> B = 2π/Period
- C: Phase Shift = C/B ---> C = B · Phase Shift
- D: center
Given:
D = 80 the field has a height of 160 ft so the center is at y = 80
A = 65 the min is at 5 yds (15 ft). D - min = 80 - 15 = 65
B = 60 the person next to Darla is 10 yds (30 ft) --> Period = 60
B = 2π/60 = π/30
C = 5π the field is 300 ft wide so the center is 150 ft
Phase Shift = 150. C = B · Phase Shift = π/30 · 150 = 5π
A = (-) the band ends down (at 15 feet) so A is negative
