3 years ago

How to start, there is also a second part to it but I'm pretty sure once I get the right formula I will be all set

2 answers:

7 0

C=.35x + 9.50

.35 is the amount per check so you put the x next to it because that represents how may check you use plus 9.50 per month
hope this helps

Ilia_Sergeevich [38]3 years ago

3 0

F(c)=$9.50+$.35c

You start with your base fee and then add the $.35 per check which is $.35 times the amount of the check which is unknown.

Hope this helps.

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Goran's company makes solid balls out of scrap metal for various industrial uses. For one project, he must make aluminum balls t

djverab [1.8K]

Answer: $\$211.95$

Step-by-step explanation:

For this exercise it is important to remember the following formula, which is used to calculate the volume of a sphere:

$V=\frac{4}{3}\pi r^3$

Where "r" is the radius of the sphere.

You know that the radius of one of those aluminum balls is:

$r=7.5\ in$

Then, subsituting this value into the formula and using $\pi =3.14$ , you get that its volume is:

$V=\frac{4}{3}(3.14) (7.5\ in)^3\\\\V=1,766.25\ in^3$

Since $1\ in^3$ of aluminum costs $0.12, you need to multiply the volume calculated by $0.12 in order to find how much the aluminum will cost to make one ball. This is: