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3 years ago

How would i simplify 1/2 (8x+2)

Mathematics

2 answers:

givi [52]3 years ago

8 0

<h2>Hey there!</h2>

<h2>Answer:</h2><h3>x = -4</h3>

<h2>Step by step explanation:</h2>

$\frac{1}{2}(8x+2) = 0\\\\8x+2 = -\frac{1}{2}\\\\8x = -\frac{1}{2} -2\\\\8x = \frac{-2-2}{2} \\\\8x = -2\\\\x = \frac{-2}{8}\\\\x = -4$

Alex17521 [72]3 years ago

7 0

Answer:

4x + 1

Step-by-step explanation:

by using the distributive property (images)

so it would be 1/2*8x + 1/2*2

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How many groups of 15 minutes are there in 1 3/4 hours

gulaghasi [49]

Answer:

7 groups

Step-by-step explanation:

1 hour = 60 minutes

3/4 of an hour = 3/4(60) = 45 minutes

therefore, 1 3/4 hours is 105 minutes

105 divided by 15 is 7

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3 years ago

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Step-by-step explanation:

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3 years ago

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3 years ago

What is the directrix of the parabola defined by `(1)/(4)(y + 3) = (x − 2)^2`?

Sauron [17]

The directrix of the parabola is $y = \frac {-49}{16}$

<h3>How to determine the equation of the directrix?</h3>

The parabola equation is given as:

$\frac 14(y + 3) = (x -2)^2$

A parabola is represented as:

$4p(y - k) =(x -h)^2$

By comparing both equations, we have:

4p = 1/4 ==> p = 1/16

-k= 3 ==> k = -3

The directrix is represented as:

y = k - p

So, we have:

$y = -3 - \frac 1{16}$

Take the LCM

$y = \frac {-16 * 3- 1}{16}$

Evaluate

$y = \frac {-49}{16}$

Hence, the directrix of the parabola is $y = \frac {-49}{16}$