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4 years ago

12

What is the difference between the yearly wages of the highest paying job and lowest paying job, assuming Araceli will be paid f

or working 40 hours a week, 52 weeks a year?
$1,160
$11,280
$2,600
$8,680

1 answer:

tigry1 [53]4 years ago

4 0

-> 40 hours per week, 52 weeks a year

<u>shop and save grocers</u>

monthly wages: $3,800

hourly wages: $3800 / 160 = $23.75 per hour

yearly wages: $23.75 per hour x 40 hours per week x 52 weeks a year

= $49,400

<u>unbelievable toys</u>

yearly wages: $43,000

<u>convenience store</u>

$16.50 per hour x 40 hours per week x 52 weeks a year

= $34,320

49,400 - 34,320 = 15,080

..? that's not even an answer choice what-

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Which of the equations below could be the equation of this parabola?

nirvana33 [79]

Answer:

$y=-4x^2$ is the equation of this parabola.

Step-by-step explanation:

Let us consider the equation

$y=-4x^2$

$\mathrm{Domain\:of\:}\:-4x^2\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:$

$\mathrm{Range\:of\:}-4x^2:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:f\left(x\right)\le \:0\:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:0]\end{bmatrix}$

$\mathrm{Axis\:interception\:points\:of}\:-4x^2:\quad \mathrm{X\:Intercepts}:\:\left(0,\:0\right),\:\mathrm{Y\:Intercepts}:\:\left(0,\:0\right)$

As

$\mathrm{The\:vertex\:of\:an\:up-down\:facing\:parabola\:of\:the\:form}\:y=a\left(x-m\right)\left(x-n\right)$

$\mathrm{is\:the\:average\:of\:the\:zeros}\:x_v=\frac{m+n}{2}$

$y=-4x^2$

$\mathrm{The\:parabola\:params\:are:}$

$a=-4,\:m=0,\:n=0$

$x_v=\frac{m+n}{2}$

$x_v=\frac{0+0}{2}$

$x_v=0$

$\mathrm{Plug\:in}\:\:x_v=0\:\mathrm{to\:find\:the}\:y_v\:\mathrm{value}$

$y_v=-4\cdot \:0^2$

$y_v=0$

Therefore, the parabola vertex is

$\left(0,\:0\right)$

$\mathrm{If}\:a$

$\mathrm{If}\:a>0,\:\mathrm{then\:the\:vertex\:is\:a\:minimum\:value}$

$a=-4$

$\mathrm{Maximum}\space\left(0,\:0\right)$

so,

$\mathrm{Vertex\:of}\:-4x^2:\quad \mathrm{Maximum}\space\left(0,\:0\right)$

Therefore, $y=-4x^2$ is the equation of this parabola. The graph is also attached.

7 0

3 years ago

How to solve 7*8=_*_+_*_

Volgvan

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3 years ago

1) SHOW WORK: Evaluate f(-2):

babymother [125]

Answer:

- 10 and 60

Step-by-step explanation:

1

To evaluate f(- 2) substitute x = - 2 into f(x)

f(- 2) = (3 × - 2) - 4 = - 6 - 4 = - 10

2

To evaluate f(8) substitute x = 8 into f(x)

f(8) = 8² - 4 = 64 - 4 = 60

4 0

3 years ago

Read 2 more answers

(01.02) Given the function f(x) = 5(x+4) ? 6, solve for the inverse function when x = 19.

saw5 [17]

Hope you can see my workout in the picture I attached below.

f⁻¹(x) = $\frac{x - 20}{5}$

AND

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3 years ago

If the bathtub holds a total of 46.2 gallons, how many minutes would it take to fill the entire tub? Write an equation in one va

sergejj [24]

Answer:

It will take 2.8 minutes

Step-by-step explanation:

Given

$x \to Minutes$

$y \to Gallons$

See attachment for complete question

Required

Time to fill the tube with 46.2 gallons

The attached table is a represents a direct proportional relationship between x and y.

This relationship is:

$y = kx$

Where k is the constant of proportionality.

When (x,y) = (1,16.5), we have:

$16.5 = k*1$

$16.5 = k$

$k=16.5$

So, we have:

$y = kx$

$y = 16.5x$

To calculate the required time to fill 46.2 gallons, we make x the subject

$x = \frac{y}{16.5}$

Where

$y =46.2$

$x = \frac{46.2}{16.5}$

$x = 2.8$

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3 years ago