The triangle on the right is a scaled copy of the triangle on the left. Identify the scale factor. Express your answer in simplest form.
15
15

Submit Ansar
attempt 1 out of 3

the scale factor is 3/5

Step-by-step explanation:

Make a fraction by putting the new (scaled image) over the original image.

9/15.

Simplify by dividing each by 3.

3/5.

The scaled image is smaller so your answer has to be less than 1 and greater then 0.

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads