Answer:
8.55 ×
Step-by-step explanation:
Evaluate 7!. Ο 120 Ο 5,040 Ο 40,320
1 answer:
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Answer:
Step-by-step explanation:
We are given that Ben has a cell phone plan that provides 200 free minutes each month for a flat rate of $39.
We are also told that For any minutes over 200, Ben is charged $0.35 per minute.
let x be the minutes used each month
So, if
So, coat will be $39
If
So, Ben is charged $0.35 per minute
So, when
So, charge =
So, the piecewise functions accurately represents charges based on Ben's cell phone :
Answer:
Step-by-step explanation:
Given:
Need:
First, let's look at the identities:
sum:
difference:
The question asks to find sin(A - B); therefore, we need to use the difference identity.
Based on the given information (value and quadrant), we can draw reference triangles to find the simplified values of A and B.
sin(A) =
cos(A) =
sin(B) =
cos(B) =
Plug these values into the difference identity formula.
Multiply.
Add.
This is your answer.
Hope this helps!