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Anastasy [175]
3 years ago
14

A. find x b. is the triangle equilateral PLEASE PLEASE I REALLY NEED HELP QUICKLY

Mathematics
1 answer:
aivan3 [116]3 years ago
8 0

Answer:

x=10

the triangle is equilateral

Step-by-step explanation:

3x+30=5x+10=2x+20

x+30=3x+10=20

x=3x-20=-20

-2x=-20=-20

x=10=10

x=10

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Answer:

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Step-by-step explanation:

Given that:

Laqueta has three times as many quarters as Pablo.

They both spend $0.50.

After that Laqueta will have 5 times as many quarters as Pablo.

To find:

Number of quarters with Laqueta and Pablo now?

Solution:

Let number of quarters with Laqueta = x

Let number of quarters with Pablo = y

As per given statement:

x=3y ..... (1)

In $0.50, there are 2 quarters:

After spending $0.50, number of quarters left with both of them:

Number of quarters left with Laqueta = x - 2 =  3y-2

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As per given statement:

3y-2 = 5(y-2)\\\Rightarrow 3y-2 = 5y-10\\\Rightarrow 2y = 8\\\Rightarrow y = 4

Therefore, the answer is:

Number of quarters with Pablo = 4

Number of quarters with Laqueta = 3 \times 4 = 12

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