2 years ago

How many different ways can you solve a quadratic equation ? List them.

1 answer:

6 0

There are three basic methods for solving quadratic equations: factoring, using the quadratic formula, and completing the square.

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How many miles you can cover in 65 minutes

slega [8]

It depends on what type of transportation you would be using. If you were walking, it would be reeeaaaalllly slooowww. If a train, <em>much faster!</em>

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2 years ago

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Can someone please answer this???? ASAP

timofeeve [1]

Answer:

A. $y=-\dfrac{8}{7}x-\dfrac{18}{7}$

Step-by-step explanation:

Let $y=mx+b$ be the equation of the perpendicular line.

Two perpendicular lines have slopes with product equal to -1. The slope of the given line is $\frac{7}{8}$ Hence,

$\dfrac{7}{8}\cdot m=-1\\ \\m=-\dfrac{8}{7}$

is the slope of needed line.

This line passes through the point (-4,2), so its coordinates satisfy the equation:

$2=-\dfrac{8}{7}\cdot (-4)+b\\ \\b=2-\dfrac{32}{7}=-\dfrac{18}{7}$

Therefore, the equation of the line is

$y=-\dfrac{8}{7}x-\dfrac{18}{7}$

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2 years ago

I need help on a equation −4a5⋅6a5

Pavel [41]

I don’t understand the equation but you can use Photomath to solve any equation you need to solve. It’s and app for free.

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2 years ago

Please help on this question for me!

Gnoma [55]

Answer:

parallelograms. angles

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3 years ago

At 86 km/h, how many miles can you travel in 30 minutes? Round to the nearest hundredth. Use 1 mi = 1.6 km.

Ray Of Light [21]

Answer:

26.875 = 26.88

86km = 60 minutes

86km/2=

43/1.6(kilometers in miles)

26.88

hope this helps uwu

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2 years ago