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3 years ago

15

Identify which lines are parallel y=(1/2)×+4

1 answer:

castortr0y [4]3 years ago

4 0

Parallel lines share the same slope. Thus, every line in the form y=(1/2)x+n will be parallel, where n is some constant.

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Factor this equation<br> 4x^2+12x-7

Levart [38]

$4x^2+12x-7=0\\\\a=4;\ b=12;\ c=-7\\\Delta=b^2-4ac\\\\\Delta=12^2-4\cdot4\cdot(-7)=144+112=256 \ \textgreater \ 0\\\\therefore\\x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{256}=16\\\\x_1=\dfrac{-12-16}{2\cdot4}=\dfrac{-28}{8}=\boxed{-\dfrac{7}{2}}\\\\x_2=\dfrac{-12+16}{2\cdot4}=\dfrac{4}{8}=\boxed{\dfrac{1}{2}}$

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3 years ago

Tucker got 80% of the questions correct on his last science test. What fraction of the test questions did he get correct.

masha68 [24]

Answer:

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Step-by-step explanation:

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2 years ago

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nalin [4]

Answer:

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Step-by-step explanation:

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3 years ago

What percentage of $25000 is $6000

ollegr [7]

Solution for 600 is what percent of 25000:

600:25000*100 =

(600*100):25000 =

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Now we have: 600 is what percent of 25000 = 2.4

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3 years ago

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professor190 [17]

Answer:

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Step-by-step explanation:

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2 years ago