To know the exact value of <span> tan(157.5°), you only have to enter the value in your calculator:
First, press the buttton identified as "tan" and then write 157.5. The next step you must follow is press the button with the symbol of equal: "="
Now, the value of tan(157.5°) will appear on the screen of you calculator.
As you can see, the exact value of </span>tan(157.5°) is:
tan(157.5°)=-0.4142
Base in your question the family plan cost is $55 per month so it means it has a minimum of payment of $55 per month. The variable X is represented as the number of cell phone minutes is used above the plan and Y is the amount of megabytes used above the plan. The best answer to your question is letter C.
Here’s a picture of my work. The answer is b. Hope this helps :-)
Answer:
She runs about 4.2 miles.
Step-by-step explanation:
6/50 = x/35
6*35 = 50*x
210 = 50x
50x = 210
x = 210/50
x = 4.2
She runs about 4.2 miles.