2 years ago

Calvin found census data for the population of Idaho from 1870 through 2000. He made the chart and scatter plot using this

Mathematics

2 answers:

liq [111]2 years ago

7 0

Answer:

it’s D

Step-by-step explanation:

love history [14]2 years ago

5 0

Answer: the answers D

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Solve the quadratic equation x2+8x−30=0 by completing the square.

diamong [38]

Answer:

$\bold{x=-4\pm\sqrt{46}}$

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\\\\\\x^2+8x-30=0\\\\\underbrace{x^2+2\cdot x\cdot 4+4^2}-4^2-30=0\\\\{}\qquad(x+4)^2\,-\,16-30=0\\\\{}\qquad\ \ (x+4)^2=46\\\\ {}\qquad\ \ x+4=\pm\sqrt{46}\\\\ {}\qquad\ \ x=-4\pm\sqrt{46}$

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2 years ago

Round 123,949 to the underlined point. 4 is highlighted

ehidna [41]

$\\ \sf\longmapsto 123,949$

9 is greater than 5

$\\ \sf\longmapsto 123,95$

$\\ \sf\longmapsto 123,9$

9 is greater than 5

$\\ \sf\longmapsto 124$

4 is less than 5

$\\ \sf\longmapsto 12$

2 is less than 5

$\\ \sf\longmapsto 1$

Note

Write the number until underlined point.I did it till end

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2 years ago

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Can anyone help, I’ll give Brainly, I’m handing em out like nothing lol

finlep [7]

Answer:

2.5

Step-by-step explanation:

50 x $0.05 = 2.5

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2 years ago

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Let a and b be positive integers. 23^a x 23^b

Ket [755]

Answer:

23 ^ ( a+b)

Step-by-step explanation:

23^a *23^b

Since the bases are the same, we can add the exponents

23 ^ ( a+b)

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3 years ago

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jek_recluse [69]

100,000,000 microbes in a speck of mold

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