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Serggg [28]
3 years ago
6

The gates of an amusement park are closely monitored to determine whether the number of

Mathematics
1 answer:
fredd [130]3 years ago
3 0

Answer:

Maybe how many people are in the park

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Mark has $5,272.56 in an investment account. On Monday, the account earned $26.74. On Tuesday, the account lost $38.63.
lidiya [134]
5260.67 because i used the calculator
3 0
3 years ago
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You have two parents, four grandparents, eight greatgrandparents, and so forth.
Leviafan [203]
A.
In the first generation we have 2 ancestors.
In the second generation we have 4 ancestors or 2^{2} ancestors.
In the third generation we have 8 ancestors ot 2^{3} ancestors.

We can see that each succesive generation has two times more members. The sum is:
2+4+8+16+...+ 2^{40}

To calculate number of ancestors we can use formula <span>for the sum of a geometric sequence. Geometric sequence is sequence of numbers that differ by a certain factor. This factor is called ratio. Formula is:
</span>S= a_{1} * \frac{1- r^{n} }{1-r}
<span>Where:
S -> sum
a1 -> first member of a sequence
r -> ratio
n -> number of elements

For this question:
a1 = 2
r = 2
n = 40
</span>S= 2* \frac{1- 2^{40} }{1-2} =2 199 023 255 550
<span>
b.
1 generation = 25 years
40 generations = 40 * 25 = 1000 years

c.
Total number of people who have ever lived = </span>10^{10}
Number of ancestors in 40 generations = 2.2*10^{12}

The number of ancestors is greater than total number of people who have ever lived. This means that not all ancestors were distinct and that in each generation both men and women had children with more than one partner.
8 0
3 years ago
Which line is most likely to have a slope of 10 ?
hodyreva [135]
The line that is most likely to have a slope of 10 is the second one down
6 0
3 years ago
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A swimming pool at a park measures 9.75 meters by 7.2 meters what is the area?
Brilliant_brown [7]
The area is 70.2 meters because length times width equals area okay also there's a magical invention called a calculator that might be helpful in the future my friend
5 0
3 years ago
Write 3 2/5 as an improper fraction.
Vlada [557]

Answer:

17/5

Step-by-step explanation:

3 x 5

15+2

17/5

4 0
3 years ago
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