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navik [9.2K]
2 years ago
7

Please help me the picture below has the question and the answers

Mathematics
1 answer:
Katyanochek1 [597]2 years ago
7 0

Answer:

c should be the correct one

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7.849 million in number form
Aloiza [94]

Answer:

7,849,000

Step-by-step explanation:

This is compact-short form, an effort to avoid writing all the zeros that come with the millions and billions long form numbers.

7.849M is the same as

7,849,000

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3 years ago
Find the LCD of the following list of fractions. 2/21, 10/14, 17/22 LCD=
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The least common denominator is 462
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Solve for K please help
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vfssfdgddedt

Step-by-step explanation:

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PLS HELP ME..........
bija089 [108]

Answer:

  • x = 2

Step-by-step explanation:

<u>x is side of right triangle with other sides:</u>

  • √20 and 8/2 = 4

<u>Then x is:</u>

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  • x² = 4
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8 0
2 years ago
At Burnt Mesa Pueblo, archaeological studies have used the method of tree-ring dating in an effort to determine when prehistoric
Zanzabum

Answer:

a) (1215, 1297)

b) (1174,  1338)

c) (1133, 1379)      

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 1256

Standard Deviation, σ = 41

Empirical Rule:

  • Also known as 68-95-99.7 rule.
  • It states that almost all the data lies within three standard deviation for a normal data.
  • About 68% of data lies within 1 standard deviation of mean.
  • About 95% of data lies within two standard deviation of mean.
  • About 99.7% of data lies within 3 standard deviation of mean.

a) range of years centered about the mean in which about 68% of the data lies

\mu \pm 1(\sigma)\\=1256 \pm 41\\=(1215, 1297)

68% of data will be found between 1215 years and 1297 years.

b) range of years centered about the mean in which about 95% of the data lies

\mu \pm 2(\sigma)\\=1256 \pm 2(41)\\=1256 \pm 82\\=(1174, 1338)

95% of data will be found between 1174 years and 1338 years.

c) range of years centered about the mean in which about all of the data lies

\mu \pm 3(\sigma)\\=1256 \pm 3(41)\\=1256 \pm 123\\=(1133, 1379)

All of data will be found between 1133 years and 1379 years.

3 0
3 years ago
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