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3 years ago

15

Randy worked 18 hours each week for 4 weeks for each of the next four weeks he worked 1/3 fewer hours as the previous four weeks

what was the total number of hours he worked for the eight weeks

1 answer:

Volgvan3 years ago

6 0

Answer:

216 hours

Step-by-step explanation:

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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 <em>4</em> every <em>9.1 weeks.</em>

Thus, since <em>Tobias initially sent the chain letter to 37 friends</em>, 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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3 years ago

What is the equivalent fraction of 4/10?

VashaNatasha [74]

Divide both sides by 2.
2/5
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3 years ago

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3,857 rounded to the nearest thousand

alekssr [168]

3,857:

1. 3 is located in the thousands place

2. Since 8 is bigger than 3, it's telling it to go up a number (turning 3 into a 4)

Stays the Same: 1,2,3,4
Goes Up: 5,6,7,8, etc.

So 3,857 is now rounded into 4,000

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3 years ago

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Is 6.565656... rational?

Elza [17]

6.565656... = 6 56/99

So it's rational

Answer is YES

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3 years ago

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In ∆abc, m∠cab = 2x and m∠acb = x + 30. if line segment a b is extended through point b to point d, m∠cbd = 5x − 50. what is t

Allisa [31]

The answer is option "3, 40".

<span>m∠cab = 2x
m∠acb = x + 30
m∠cbd = 5x − 50
Now,
</span>m∠cab + m∠acb = m∠cbd
2x+x+30 = 5x-50
2x+x-5x = -50-30
-2x = -80
x = 40

7 0

3 years ago