Answer:
Step-by-step explanation:
hello :
note : y = A sin(Bt + C) + D
• amplitude is A
• period is 2π/B
in this exercice : f(t)= 1/2sin3t
amplitude is A
=1/2
period is 2π/3
The value of x is -2
Step-by-step explanation:
Given that
6 (2x + 3) - 3(x - 2) = 6
Expand the bracket
6 (2x + 3) - 3(x - 2) = 6
12x + 18 - 3x + 6 = 6
Collect like terms
12x - 3x = 6 - 6 - 18
9x = -18
Divide through by 9
9x / 9 = -18 / 9
x = -2
Therefore, the value of x is -2
Learn more about inequality here : brainly.com/question/20252161
Answer:
1. pie chart
2. bar graph
3. they both show the amount of kids with the same letters compared to the others.
if you still don't understand something please ask. always happy to help :)
Step-by-step explanation:
Answer: 
Step-by-step explanation:
(a) Given
Sam charge $5 for each dog for a thirty minute walk
For an hour which is double the thirty minutes, it must be double of the same charge.
(b)Given
With $20, Christie sells 100 cups of lemonade with a quarter per cup charge
For 100 cup, she generate a revenue of
So, she earns 
that is , her profit is 
