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2 years ago

What is the equationof the line that passes through (0,3) and (7,0)

1 answer:

6 0

Answer:

y = - 3/7x + 3

Step-by-step explanation:

First find the slope

Second find the y-intercept (already given by one of the points)

Third write it in slope-intercept form

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3 years ago

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Nataly [62]

Answer:

2x² - 12x + 13

Step-by-step explanation:

Given following:

k(x) = 2x² - 5

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Start solving from right to left across the function.

Steps:

k[p(x)]

k[x - 3]

2(x - 3)² - 5

2(x² - 6x + 9) - 5

2x² - 12x + 18 - 5

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2 years ago

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Juan bought n packs of pencils. Each pack has 15 Write an equation to represent the total number of pencils p that Juan bought.

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Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

– Practicing is key. ...

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2 years ago

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$\text{The scientific notation:}\\\\a\times10^n\\\\1\leq a$

$a.\\(5\times10^3)\times(3.5\times10^{-1})=(5\times3.5)\times(10^3\times10^{-1})\\\\=15.75\times10^{3+(-1)}=15.75\times10^2=1.575\times10\times10^2\\\\=1.575\times10^{1+2}=\boxed{1.575\times10^3}$

$b.\\(8\times10^2)\div(4\times10^3)=(8\div4)\times(10^2\div10^3)=2\times10^{2-3}\\\\=\boxed{2\times10^{-1}}$

$c.\\(6\times10^{-3})^2=6^2\times(10^{-3})^2=36\times10^{-3\cdot2}=36\times10^{-6}=3.6\times10\times10^{-6}\\\\=3.6\times10^{1+(-6)}=\boxed{3.6\times10^{-5}}$

$Used:\\\\a^n\times a^m=a^{n+m}\\\\a^n\div a^m=a^{n-m}\\\\(a^n)^m=a^{n\cdot m}$

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3 years ago