Carissa takes a square piece of cardboard and cuts 5 in. by 5 in. squares out of each corner. she folds the sides up to make a box without a top.

what equation can carissa use to determine the volume of the box, where x is the side length of the original piece of cardboard?

The volume of the new cardboard is cubic inches.

Step-by-step explanation:

Let the sides of the original square cardboard = x inches

Since, Carissa cuts 5 in. by 5 in. squared out of each corner.

We have that,

Length of new cardboard = inches

Width of new cardboard = inches

Height of the new cardboard = 5 inches

So, Volume of the new cardboard = Length × Width × Height

i.e. Volume of the new cardboard =

i.e. Volume of the new cardboard = cubic inches.

Thus, the volume of the new cardboard is cubic inches.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

3

step-by-step explanation:

in standard form:

a= dictionaries

b= maps

you have to buy 3 dictionaries, so put a 3 next to the a (dictionaries) so that you can multiply them by each other.

a3+b= 60 (the amount of money you have)

we already know the cost of a=15 so replace a with $15

($15 x 3)+b=60

multiply 15 and 3 to get $45 and replace it with $45

45+b=60

and then replace b with 15 to get the total:

45+15=60

that means you have $15 left after buying 3 dictionaries.

15 divided by the cost of a map ($5) equals 3.

so you can buy 3 maps.

sorry if it was confusing!