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nekit [7.7K]
3 years ago
11

Find the value of x in the picture please

Mathematics
1 answer:
Marianna [84]3 years ago
3 0

Answer:

Option B. The value of x is 20

Step-by-step explanation:

we know that

<u>The intersecting chords theorem</u>  states that the products of the lengths of the line segments on each chord are equal.

so

In this problem

(x)(x-11)=(x-8)(x-5)\\x^{2}-11x=x^{2}-5x-8x+40\\-11x=-13x+40\\2x=40\\x=20

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3 years ago
1. Kristen spent $131 on shirts at Target last week. She bought some fancy shirts for
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Answer:

Kristen bought 2 fancy shirts and 5 plain t-shirts.

Step-by-step explanation:

Given that,

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Let,

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y be the number of plain t-shirts

x+y = 7       Eqn 1

28x+15y=131    Eqn 2

Multiplying Eqn 1 by 15

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Subtracting Eqn 3 from Eqn 2

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Dividing both sides by 13

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Putting x=2 in Eqn 1

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3 0
3 years ago
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