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Daniel [21]
3 years ago
15

How many ancestors did you have 300 years ago? 900 years ago?

Mathematics
1 answer:
Digiron [165]3 years ago
8 0

Answer:

Generation 1: 2 parents

Generation 2: 4 grandparents

Generation 3: 8 great grandparents

Generation 4: 16 great great grandparents

Generation 5: 32 great great great grandparents

Generation 6: 64 great great great great grandparents

Generation 7: 128 great great great great great grandparents

Generation 8: 256 great great great great great great grandparents

Generation 9: 512 great great great great great great great grandparents

Generation 10: 1024 great great great great great great great great grandparents

if you consider a generation is around 30 years 10 generations back will take you back 300 years and give you 2046 ancestors.

30 generations or 900 years and you have 10,73,741,824

Step-by-step explanation:

brainliest will be appreciated

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The sales price of a single family house in Charlotte is normally distributed with mean $210,000 and standard deviation $35,000.
Lady_Fox [76]

Answer:

E(X ¯)=210,000.

Step-by-step explanation:

A sampling distribution for samples of size n=49 from a population with means μ=210,000 and standard deviation σ=35,000, has the following means anda standard deviation:

\mu_s=\mu=210,000\\\\\sigma_s=\sigma/\sqrt{n}=35,000/\sqrt{49}=35,000/7=5,000

If X ¯ is the mean sales price of the sample, it will have a mean value of E(X ¯)=210,000.

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3 years ago
Use a calculator to find the standard deviation of this data set: 8, 14, 12, 9, 16
muminat

Answer : 23.6

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3 years ago
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Lauren is running in a race to raise money for her favorite charity the total distance of the race is 12.5 miles so far she has
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To get the answer I divided 12.5 by 10. The answer is 1.25.
6 0
3 years ago
Select all that apply. Which of the following are true? Fractions and ratios cannot have zero in the denominator. Fractions and
maw [93]

Answer:

True statements:

1. Fractions and ratios cannot have zero in the denominator.

3. Some fractions and ratios can be written as mixed numbers. Fractions and ratios can be simplified the same way.

Step-by-step explanation:

1. Fractions and ratios cannot have zero in the denominator: <u>True.  </u>

<u>Reason- </u>If the denominator in any fraction /ratio is zero, then it means the whole fraction will be equal to infinity (not-defined value)

2. Fractions and ratios are different names for the same thing. <u>False</u>

<u>Reason- </u>A fraction represents a number from the whole of something, in which the denominator represents the total number of equal parts of the whole. But, a  ratio represents a comparison between two quantities.

3. Some fractions and ratios can be written as mixed numbers. Fractions and ratios can be simplified the same way. <u>True</u>

<u>Reason-</u>The simplification method can be same but these two are not same quantities.

7 0
3 years ago
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