Thursday

November 27, 2014

November 27, 2014

Posted by **kennedy** on Tuesday, September 15, 2009 at 6:34pm.

a)express the total cost as a fucntion of the number of broken nails.

b)What is the slpe of this fucntion and what does it represent?

c)Another salon charges $6 per nail for a fill regardlesss of the number broken nails. How many nails would have to be broken to make it more economical to go to Martha and Garce's salon?

- precalculus -
**bobpursley**, Tuesday, September 15, 2009 at 6:47pmcost=A*number nails + fixed cost

Can you take it from here?

The easy way is to notice A is the slope, or 8dollars/4nails or 2dollars/nail.

**Answer this Question**

**Related Questions**

Chemistry - Typically, there is a scale provided for weighing the nails. For ...

Marh - For the nails in the bin below, there are 500 nails per kg.” Using this ...

algebra - Sara bought some 6-penny nails and some 10-penny nails at ace hardware...

math - How many pounds of nails will be needed to fill 100 boxes with 8oz. of ...

chem - Consider two identical iron nails: One nail is heated to 95 °C, the other...

s.s - what i sused to cover toe nails and nails in ancient egypt?????PLZ HELP!

Science - Person weighing 650N lies on a bed of nails,each nail has area of 1m2 ...

physics - In a classroom demonstration, a 790-N physics professor lies on a “bed...

math - Tim works at a hardware store has 8 1/2 pounds of nails to be sorted into...

Physics - Calculate the average force per nail when Sarah (following figure), ...