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AVprozaik [17]
3 years ago
11

Tuning Guitars How do you know if a guitar has been tuned accurately? The units on a guitar tuner are measured in cents. The uni

ts tell you how far the string tone is above or below the correct pitch. If the tone is above the target note, then the reading is positive. If the tone is below the target note, then the reading is negative. The closer the reading is to 0, the more accurate the tuning is. 2. The tuning of another guitar is less accurate than the guitars in Exercise 1. Give an example of a possible reading on the tuner for this guitar. Explain your reasoning​
Mathematics
1 answer:
natali 33 [55]3 years ago
3 0

The question is an illustration of units and measurements

<em>The question is incomplete, as the measurement of the guitar is not given; so, I will provide a general explanation.</em>

<em />

From the question, we understand that:

The closer the measurement is to 0, the more accurate it is.

This means that:

  • A measurement of 1 cent is more accurate than a measurement of 1.5 cent, <em>because 1 is closer to 0</em>
  • A measurement of -2 cent is more accurate than a measurement of 2.5 cent, <em>because -2 is closer to 0</em>

So, all you need to do is:

  • Get both measurements
  • Compare them, as to <em>which is closer to 0</em>
  • The measurement that is closer to 0, is the most accurate

Read more about units and measurements at:

brainly.com/question/12629581

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A cylinder has 3 faces 2 edges and 0 vertices

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6 0
4 years ago
The density of gold is about 20 g/ cm^3 . The density of sand can be estimated at 2.5 g/cm^3. The gold statue can be modeled as
pantera1 [17]

Answer:

The mass of the bag of sand must be equal to  m=12,000\pi\ g

Step-by-step explanation:

<u><em>The complete question is</em></u>

In the opening scene of the movie Raiders of the Lost Ark, Indiana Jones replaces a golden statue with a bag of sand. The platform on which the statue is placed is designed to detect the mass of the statue. If the bag of sand has a different mass than the statue, then a mechanism triggers and destruction ensues.

The density of gold is about 20 g/ cm^3 . The density of sand can be estimated at 2.5 g/cm^3. The gold statue can be modeled as a cylinder with height 25 cm and radius 8 cm.

In terms of pi, what is the mass of sand Indiana Jones needs to avoid triggering the mechanism?

step 1  

Find the volume of the gold statue

The volume of a cylinder is equal to

V=\pi r^{2}h

substitute the given values

V=\pi (8)^{2}(25)

V=600\pi\ cm^3

step 2

Find the mass of gold

Remember that the mass is equal to multiply the density by the volume

so

m=(20)600\pi\\m=12,000\pi\ g

step 3

what is the mass of sand Indiana Jones needs to avoid triggering the mechanism?

we know that

The mass of the bah of sand must be equal to the mass of the statue

therefore

The mass of the bag of sand must be equal to

m=12,000\pi\ g

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Answer:

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Step-by-step explanation:

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5(-3x - 4y = 2)  or <u>-15x -20y = 10</u>

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                                        y = 1

Solve for x:  -5x - 3 = 7

Add 3 to both sides:  -5x -3 + 3 = 7 + 3 or -5x = 10

Solve for x: x = -2

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