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Rudiy27
2 years ago
14

a rectangle has an area of 25 in squared. itis dilated by a scale factor of 4. what is the area of the new image ?

Mathematics
1 answer:
kobusy [5.1K]2 years ago
7 0
Answer is 100 because 25 4 times = 100
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can company makes a cylindrical can that has a radius of 6 cm and a height of 10 cm. One of the company's clients needs a cylind
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the new radius be to meet the client's need is 4.9 cm .

<u>Step-by-step explanation:</u>

Here we have , can company makes a cylindrical can that has a radius of 6 cm and a height of 10 cm. One of the company's clients needs a cylindrical can that has the same volume but is 15 cm tall. We need to find What must the new radius be to meet the client's need . Let's find out:

Let we have two cylinders of volume V_1 , V_2 with parameters as follows :

r_1=6cm\\h_1=10cm\\r_2=?\\h_2=15cm

We know that volume of cylinder is \pi r^2h , According to question volume of both cylinder is equal i.e

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⇒ (r_2) =\sqrt{ \frac{(6)^2(10)}{15}}

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