Brian wants to put this picture in the school newspaper in a space that is 5 inches tall. if he enlarges the picture proportionally so that it is 5 inches tall, how many square inches will it cover in the paper? (picture- height=2 1/2 length=1 1/4)

12.5 square inches.

Step-by-step explanation:

We have been given that Brian wants to put this picture in the school newspaper in a space that is 5 inches tall. If he enlarges the picture proportionally so that it is 5 inches tall.

The dimensions of original picture are: height=2 1/2 and length=1 1/4.

Since the picture is enlarged proportionally, so we will use proportions to find the length of picture in the newspaper.

Upon substituting our given values in above equation we will get,

Let us multiply both sides of our equation by 5.

Now let us find area covered by picture in newspaper with length 2.5 inches and height 5 inches.

Therefore, the picture will cover 12.5 square inches in the newspaper.

the dimensions are:

step-by-step explanation:

we want to find the dimensions of a rectangular box with volume of

we factor to obtain;

we rewrite the rightmost factor to obtain;

recall that:

we apply difference of two squares formula to obtain;

hence the dimensions are

answer:

step-by-step explanation: