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2 years ago

SOMEONE HELP ME PLEASE ASAP

Mathematics

2 answers:

Fed [463]2 years ago

5 0

A. $20.20 for 10 gal

i hope it's help

Ierofanga [76]2 years ago

3 0

Answer:

Step-by-step explanation:

To find Unit rate, you will have to divide amount charge for the gal

A) 20.20/10 = 2.02

B) 26.04/12 = 2.17

C) 28.14/14 = 2.01

D) 30.45/15 = 2.03

least amount will be $2.01/gal

so C

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

SOMEONE HELP ME PLEASE ASAP ​

SOMEONE HELP ME PLEASE ASAP