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2 years ago

X plus two over five equals six

Mathematics

2 answers:

JulsSmile [24]2 years ago

4 0

Answer:

Step-by-step explanation:

dot he reciprica of 2/5

icang [17]2 years ago

3 0

Answer:

x = $\frac{28}{5}$

Step-by-step explanation:

x + $\frac{2}{5}$ = 6

x + $\frac{2}{5}$ - $\frac{2}{5}$ = 6 - $\frac{2}{5}$

x = $\frac{28}{5}$

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Tobias sent a chain letter to his friends, asking them to forward the letter to more friends. The number of people who receive t

malfutka [58]

Answer:

$P(t)=37\times (4)^{(t/9.1)}$

Explanation:

The number of emails is multiplied by 4 every 9.1 weeks.

Thus, since Tobias initially sent the chain letter to 37 friends, the number of letters will grow as per this geometric series:

Start: 37 letters

In 9.1 weeks: 37 × 4

In 2 × 9.1 weeks: 37 × (4)²

In 3 × 9.1 weeks: 37 × (4)³

As you see, the exponent is the number of weeks divided by 9.1

Thus, if your variable is the number of weeks, t, then the exponent is t/9.1

And the exponential function, P(t) will be:

$P(t)=37\times (4)^{(t/9.1)}$

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AVprozaik [17]

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Step-by-step explanation:

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Anit [1.1K]

Answer:

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2 years ago

How many square decimeters are in 687.1 cm²?

Alexus [3.1K]

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1 year ago

Read 2 more answers