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Y_Kistochka [10]
3 years ago
10

Mariana receives a $20 gift card for downloading music and wants to determine how many songs she can purchase. Each downloaded s

ong costs $1.29. If m represents the number of songs downloaded, which inequality represents the given situation?
Mathematics
2 answers:
NikAS [45]3 years ago
7 0
1.29 times 15 is 19.35 and the amount of money u have is 20$
Andru [333]3 years ago
3 0
...she can buy 15 songs.
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What is the justification for each step in the solution of the equation?
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For this case we have the following equation:

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Adding 1 on both sides of equality we have:

2x-1 + 1 = 6x + 12 + 1\\

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3 years ago
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Kevin installed a certain brand of automatic garage door opener that utilizes a transmitter control with four independent​ switc
s344n2d4d5 [400]

Kevin installed a certain brand of automatic garage door opener that utilizes a transmitter control with four independent​ switches, each one set on or off. The receiver​ (wired to the​ door) must be set with the same pattern as the transmitter. If six neighbors with the same type of opener set their switches​ independently.<u>The probability of at least one pair of neighbors using the same​ settings is 0.65633</u>

Step-by-step explanation:

<u>Step 1</u>

In the question it is given that

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<u>So .the number of Combinations possible with the Transmitters </u>=

2*2*2*2= 16

<u> Step 2</u>

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<u> Step 3</u>

Probability of at least one pair of neighbors using the same settings=

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<u> Step 4</u>

<u>So the probability of at least </u>one pair of neighbors using the same settings

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3 years ago
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Answer:

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Step-by-step explanation:

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