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Kobotan [32]
3 years ago
12

Elias's teacher has given him a rectangle that is 15 feet by 20 feet. She has asked him to create a new rectangle using a scale

factor of 8/3. Elias says that will be a reduction because the scale factor is a fraction. Is he correct? Explain.
Mathematics
2 answers:
boyakko [2]3 years ago
6 0

He is wrong. A transformation is a reduction when the scale factor is between -1 and 1. If the scale factor is greater than 1, then it's a dilation.

In this case, the scale factor is a fraction, but fractions can represent numbers outsise the [-1,1] interval.

In this case, in fact, 8/3 is an improper fraction, meaning exactly that it represents a number greater than 1.

So, this transformation is a dilation, becase the scale factor 8/3 is greater than 1.

elena55 [62]3 years ago
5 0

Answer:

Elias is not correct. A scale factor of 8/3 is an enlargement because it is greater than 1. A reduction has a scale factor between 0 and 1.

I hope this helps. could I please have a brainliest? It would mean a whole lot to me.

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Answer:

The probability that a shopper buys shoes and a book is 0.015

Step-by-step explanation:

we are given

The probability that a shopper buys shoes is 0.15

so, we have

p(s)=0.15

The probability that a shopper buys a book is 0.10

so, we have

p(b)=0.10

the probability that a shopper buys shoes and a book can be written as

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we are given that

s and b are independent

so,

p(s∩b)=p(s)\times p(b)

now, we can plug values

p(s∩b)=0.15\times 0.10

p(s∩b)=0.015


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