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const2013 [10]
3 years ago
15

A college's tuition has risen 5% each year since 2015. If the tuition in 2015 was $10,850, predict the cost of tuition for this

college in 2030. Choose the correct answer below. Hint - use the equation for exponential growth below y=a(1+r)t
about $25,655.95


about $8,943.34


about $243,045.55


about $22,556.37
Mathematics
1 answer:
barxatty [35]3 years ago
3 0

i'm sorry, I really don't know, but Brainy or wtvr this keeps notifying me to answer a question and it's annoying.

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Solve the proportion and round your answer to the nearest tenth.
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Answer:

y = 1.1

Step-by-step explanation:

Proportion is a statement that two ratios are equal.

It can be written in two ways:

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  • Two equal sides a: b = c: d.

We can use cross products to find a missing term in it.

Let us solve the question

∵ The proportion statement is \frac{7.7}{15.4} = \frac{y}{2.2}

→ Use the  cross multiplication to find y

∵ y × 15.4 = 7.7 × 2.2

∴ 15.4y = 16.94

→ Divide both sides by 15.4 to find y

∵ \frac{15.4y}{15.4} = \frac{16.94}{15.4}

∴ y = 1.1

<em>No need to round it to the nearest tenth because the answer has no hundredth to round it to the tenth</em>

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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