4/7 of his money = $48
1/7 of his money = $48 ÷ 4 = $12
7/7 of his money = $12 x 7 = $84
Answer: $84
Answer:
30 POINTS
Step-by-step explanation:
Answer:
y = 9 cos [(⅕pi)x]
Step-by-step explanation:
Amplitude = 9
Period = 10
2pi/10 = pi/5
JK = MN because of Given
∠JLK = ∠MLN because of the vertical angle theorem
JL = LN because of definition of midpoint
ΔJLK = MLN because of SAS
∠K = ∠N because corresponding angles of congruent triangles are congruent.
Hope this helps!<span />
