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V125BC [204]
3 years ago
6

He puts 1/4 of the treasure to aside for himself he gives 1/2 of what is left to his friend bill he shares 2/3 of the remaining

treasure equally between the rest of the crew he buries the remaining 3 bars on a secret island how many bars did the pirates have
Mathematics
1 answer:
Andrej [43]3 years ago
4 0

Answer:

24 bars of treasure

Step-by-step explanation:

You just need to do the opposite in order to find the total value since you divided the treasure up we need to multiply the treasure “back”.

3 buried bars is equal to 1/3 of the remaining treasure. Multiply by 3 to get 3/3 or 100% of buried and crew portion. So we now have 9 bars. Then multiply by 2 to get 100% of what was given to bill, crew and buried. We now have 18 bars. Then we know that we took 1/4 for ourselves so that means 18 bars represents 3/4 of the treasure. So when we look at factors of 18 we find that 3 x 6 = 18 and 4 x 6 = 24 so we conclude that we had 24 bars of treasure before the split.

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Solve 4.5(8-x)+36=102-2.5(3x+24)<br> show each step
masha68 [24]
X = -10
work: 
1. <span>4.5(8-x) + 36 = 102 - 2.5(3x+24)
2.</span>4.5(8-x) * 10 + 36 *10 = 102 * 10 - 2.5(3x + 24) * 10
3. 45(8 - x) + 360 = 1020 - 25(3x + 24)
4. -45x + 720 = -75x + 420
5. -45x + 720 - 720 = -75x + 420 - 720
6. -45x = -75x - 300
7. -45x + 75x = -75x - 300 + 75x
8. 30x = -300
9. 30x/30= -300/30
SIMPLIFY = x = -10
3 0
2 years ago
Life tests performed on a sample of 13 batteries of a new model indicated: (1) an average life of 75 months, and (2) a standard
Alja [10]

Answer:

The lower limit of the 90% confidence interval for the population mean life of the new model is 72.53 months.

Step-by-step explanation:

Our sample size is 13.

The first step to solve this problem is finding our degrees of freedom, that is, the sample size subtracted by 1. So

df = 13-1 = 12

Then, we need to subtract one by the confidence level \alpha and divide by 2. So:

\frac{1-0.90}{2} = \frac{0.10}{2} = 0.05

Now, we need our answers from both steps above to find a value T in the t-distribution table. So, with 12 and 0.05 in the t-distribution table, we have T = 1.782.

Now, we find the standard deviation of the sample. This is the division of the standard deviation by the square root of the sample size. So

s = \frac{5}{\sqrt{13}} = 1.3868

Now, we multiply T and s

M = T*s = 1.782*1.3868 = 2.47

The lower end of the interval is the mean subtracted by M. So it is 75 - 2.47 = 72.53

The lower limit of the 90% confidence interval for the population mean life of the new model is 72.53 months.

5 0
3 years ago
6t^{2} – 13 when t = 2
lorasvet [3.4K]

Answer:

11

Step-by-step explanation:

6t^2 - 13

Let t=2

6 * 2^2 -13

powers first

6 *4 -13

Multiply

24 -13

subtract

11

8 0
3 years ago
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What is 2,212 divided by 4
Marizza181 [45]

Answer:

The answer is 553

Step-by-step explanation:

2212/4=553

4 0
3 years ago
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Find the value of x<br><br> Please help i don’t know the answer
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Answer:

44 + 45 = 99° divided by 2 = 49.5 (you can round to 49)

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