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3 years ago

12

What are the two major theories of how Native American arrived in the Western Hemisphere? Which is the most popular and also exp

lain the largest number of migrants?

1 answer:

Virty [35]3 years ago

4 0

The land bridge (Bering strait) and the crossing from Canada

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The area of the sahara desert is 7 times the area of the gobi desert if the are of the sahara is approximately 3.5 million squar

Andreyy89

Answer: 500,000

Step-by-step explanation:

3.5M/7=500,000

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3 years ago

Solve with completing the square method:<br>6x²-7x+2=0 and ax²+bx+c=0

Norma-Jean [14]

$6x ^2-7x+2=0\\ \\ a=6 , \ b = -7 , \ c=2 \\ \\\Delta = b^{2}-4ac = (-7)^{2}-4*6*2=49-48=1 \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{7-\sqrt{1}}{2*6}=\frac{7-1}{12} =\frac{6}{12}= \frac{1}{ 2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{7+\sqrt{1}}{2*6}=\frac{7+1}{12} =\frac{8}{12}= \frac{2}{ 3}$

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4 years ago

-3 = 3/4r + 2<br><br><br><br> find r

kow [346]

Answer:

r = -20/3

Step-by-step explanation:

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3 years ago

Read 2 more answers

Write -2 + 4 + -8 + ...+ 64 +-128 in sigma notation. Then determine the sum.

Grace [21]

It would be -70. Your welcome

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3 years ago

1.)300.8 m to yards<br> 2.)80 yards to mm<br> 3.)15 kg/L<br> 4.)40cm/sec to mph

Lapatulllka [165]

1.)3.&

2.)8mm

3.)5

4.)400

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3 years ago