Aphotographer enlarged a picture. if the width of the image is 5 inches and the width of the pre-image was x, what is the scale factor for the dilation in terms of x?

Step-by-step explanation:

The width of the pre-image = x

The width of the image= 5 inches

Let 'k' be the scale factor for the dilation.

We know that after dilation, the dimensions of pre-image multiply with scale factor to get the dimension of the image.

It gives,

Hence, the scale factor should be

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true