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3 years ago

Please help. will mark brainliest

Mathematics

1 answer:

Semmy [17]3 years ago

4 0

DH = HF

x + 1 = 3y

y = (x + 1) ⁄ 3

GH = HE

3x – 4 = 5y + 1

y = (3x – 5) ⁄ 5

y = y

(x + 1) ⁄ 3 = (3x – 5) ⁄ 5

5x + 5 = 9x – 15

4x = 20

x = 5

y = (x + 1) ⁄ 3

y = (5 + 1) ⁄ 3

y = 2

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maksim [4K]

Answer: Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Polygon X is similar to polygon.

And Polygon X is three times the size of polygon Y.

So, it becomes,

$\dfrac{\text{Perimeter of polygon X}}{\text{Perimeter of polygon Y}}=\dfrac{3}{1}\\\\\dfrac{81}{x}=\dfrac{3}{1}\\\\x=\dfrac{81}{3}\\\\x=27$

Hence, perimeter of polygon Y is 27.

Therefore, Option 'C' is correct.

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OLga [1]

Answer:

There are 60 toddlers in the preschool class

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Percentage of the toddlers in a preschool class drink water with their lunch = 5

Number of the toddlers in a preschool class drink water with their lunch = 3

2. How many toddlers are in the class?

We'll solve the question, using the Direct Rule of Three, this way:

Percentage Toddlers

5 3

100 x

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5x = 3 *100

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Answer:

Step-by-step explanation:

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