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Juli2301 [7.4K]
3 years ago
14

I NEED HELP PLEASE!! IM BEGGING YOU!!!

Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0

Answer:

\displaystyle BC=\frac{27}{2}

<em>CA = 15.</em>

Step-by-step explanation:

<u>Similar Triangles</u>

It's given triangle ABC is similar to triangle PQR. Similar triangles have their side lengths proportional by the same scale factor.

To find the scale factor, divide the lengths of two corresponding sides. Sides AB and PQ are corresponding, and the proportion between them is 12/8 = 3/2.

Now we find the required lengths by using the same proportion.

BC is corresponding with QR, thus

\displaystyle \frac{BC}{QR}=\frac{3}{2}

Solving for BC:

\displaystyle BC=\frac{3}{2}.QR

\displaystyle BC=\frac{3}{2}.9=\frac{27}{2}

\mathbf{\displaystyle BC=\frac{27}{2}}

CA is corresponding with RP, thus:

\displaystyle \frac{CA}{RP}=\frac{3}{2}

Solving for CA:

\displaystyle CA=\frac{3}{2}.RP

\displaystyle CA=\frac{3}{2}.10

CA = 15

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Answer:

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Step-by-step explanation:

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Korvikt [17]

MISSING DETAILS

Yoko's fish tank has 17 liters of water in it. She plans to add 5 liters per minute until the tank has at least 57 liters. What are the possible numbers of minutes Yoko could add water?

Answer:

Minutes = 8 minutes

Step-by-step explanation:

Topic: Inequality

Given:

Available Size of water = 17 liters

Increment = 5 liters/minute

Size of water needed = At least 57 liters

Putting the above together, as have

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5m > 57 - 17

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5m/5 > 40/5

m > 8

So, Yoko will need to add water for at least 8 minutes before she fills her tank to 57 liters.

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3 years ago
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Answer:

n ≥ -1 or n ≤ 3

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Vinil7 [7]

Answer: They are the same size

Step-by-step explanation:

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Step by step explanation
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