Answer:
Number of monthly calls = 475
Step-by-step explanation:
Given:
Plan 1 = $30 per month unlimited calls
Plan 2 = $11 + $0.04(per call)
Find:
Number of monthly calls, plan 1 better than plan 2
Computation:
Plan 1 (Cost) < Plan 2 (Cost)
30 < 11 + 0.04(x)
19 < 0.04(x)
475 < (x)
Number of monthly calls = 475
Answer:
The value of x is -10.
Step-by-step explanation:
Given : Expression 
To find : What is the value of x?
Solution :
Step 1 - Write the expression,

Step 2 - Cross multiply,

Step 3 - Take like terms together,

Step 4 - Solve,



Therefore, The value of x is -10.
(6,2)
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Hope this helps you
Answer:
cos 60° = 1/2 is the answer