3 years ago

HELP ASAP!!! Will crown brainliest!!!

Mathematics

1 answer:

N76 [4]3 years ago

6 0

Answer:

A. Same lines.

Step-by-step explanation:

A dependent system of equations is a system with same lines written in two different forms that form infinite solutions.

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How many times does 2 go into 400

bogdanovich [222]

2 goes into 400, that is $\frac{400:2}{2:2} = \frac{200}{1}$ ,

However, 2 goes into 400, 200 times.

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4 years ago

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2 years ago

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Nataly [62]

75 miles per hour means,
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3 years ago

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3 years ago

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What are the roots of the quadratic equation 2x2+7x+4=0? Select all that apply.

skad [1K]

Answer:

option A and B

$x=\frac{-7+\sqrt{17}} {4}$

and

$x=\frac{-7-\sqrt{17}} {4}$

Step-by-step explanation:

we have

$2x^2+7x+4=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$2x^2+7x+4=0$

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substitute in the formula

$x=\frac{-7\pm\sqrt{7^{2}-4(2)(4)}} {2(2)}$

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and

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3 years ago