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Vlad [161]
3 years ago
6

Find the missing length indicated.​

Mathematics
1 answer:
kogti [31]3 years ago
3 0

Answer:

Step-by-step explanation:

x is the geometric mean because it is a part of both the small triangle on the left (with base 81) and the whole triangle (with base 225). Setting up the geometric means formula:

\frac{81}{x}=\frac{x}{225} and cross multiply to get

x^2 =18225 so

x = \sqrt{18225} and

x = 135

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Dmitry [639]
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Two hiking groups made the purchases shown below. What is the cost of each item. GROUP 1: 6 muffins, 12 granola bars, Total=$26.
stepladder [879]

Answer:

Price of each muffin = $1.25

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Step-by-step explanation:

Group 1:

6 muffins, 12 granola bars

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Group 2:

8 muffins, 15 granola bars,

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Solution:

Let the price of one muffin = $x

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As per group 1, the equation can be written as:

6x+12y=26.70\\\Rightarrow x+2y=4.45 .... (1)

As per group 2, the equation can be written as:

8x+15y = 34 .... (2)

Let us use elimination method to solve for x and y.

Multiplying equation (1) with 8 and subtracting (2) from it:

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Using equation (1):

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Therefore, the answer is:

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7 0
3 years ago
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Naya [18.7K]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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