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satela [25.4K]
3 years ago
11

A survey found that 28% of 8th graders have an iPhone. Using that information,predict how many of 358 7th graders have an iPhone

.
Mathematics
1 answer:
Snezhnost [94]3 years ago
5 0

28% x 358 = 28/100 x 358 =<u> 100 </u>7th graders have iphone

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andreev551 [17]
<span>The simple interest formula is:

A = P · (1 + r · t)
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P = principal
r = rate
t = time 

Let's solve for r:
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r = (A - P) / (P · t)

The quantity A - P is defined as the Interest, therefore:
r = I / (P <span>· t)
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3 years ago
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8 0
2 years ago
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katovenus [111]

Answer:

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<u>5/5 + 2/5</u>

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2

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3 years ago
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How do you write 2/20 as a percentage ​
Brut [27]

Answer:2/20 =

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Here a = 1536 and r = 0.5, thus

a_{11} = 1536 × (0.5)^{10} = 1.5

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3 years ago
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