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3 years ago

Which algebraic expression is equivalent to the expression below?

Mathematics

1 answer:

spayn [35]3 years ago

5 0

<span>8(3x + 6) + 13---expand using distributive property
=24x + 48+13 ...combine like terms
=24x +61....simplify

answer is C.24x + 61

hope it helps</span>

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The number of airline passengers in 1990 was 466 million. The number of passengers traveling by airplane each year has increased

taurus [48]

Answer:

2010.

Step-by-step explanation:

We have been given an exponential growth formula $P(t)=466\cdot 1.035^t$ , which represents number of passengers traveling by airplane since 1990.

To find the year in which 900 million passengers will travel by airline, we will equate the given formula by 900 and solve for t as:

$900=466\cdot 1.035^t$

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Take natural log of both sides:

$\text{ln}(1.9313304721030043)=\text{ln}(1.035^t)$

Using property $\text{ln}(a^b)=b\cdot \text{ln}(a)$ , we will get:

$\text{ln}(1.9313304721030043)=t\cdot \text{ln}(1.035)$

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$\frac{0.658209129198}{0.034401426717}=\frac{t\cdot 0.034401426717}{0.034401426717}$

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2 years ago

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Rufina [12.5K]

Answer:

2411.52 cm³

Step-by-step explanation:

V = (2/3)πr³ Use the equation for volume of a hemisphere

V = (2/3)(3.14)(8)³ Simplify the exponent

V = (2/3)(3.14)(512) Multiply

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Add both of the volumes together to get the volume of the figure.

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Dmitry_Shevchenko [17]

I believe it's b.

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