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3 years ago

5

You earn $8.50 per hour at your summer job right and solve any quality any quality that represents the number of hours you need

to work in order to buy digital camera that cost $204

1 answer:

irina1246 [14]3 years ago

7 0

He should work for 24 hours.

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Solve this question using elimination

Lorico [155]

$\left\{\begin{array}{ccc}y=2x-5\\y=2x+7&&\text{multiply both sides by (-1)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}y=2x-5\\-y=-2x-7\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad0=-12\qquad\text{FALSE}\\\\Answer:\ \boxed{NO\ SOLUTION}$

6 0

3 years ago

What is the decimal equivalent of ⅞? *<br> 4 points<br> 0.780<br> 0.870<br> 0.875<br> 0.885

Lubov Fominskaja [6]

Answer: 0.875

Step-by-step explanation: How I got this answer is I used Division, (7 ÷ 8= 0.875)

Hope this helps, Have a great day/night!

~IFoundJiminsLostJams~

4 0

3 years ago

Read 2 more answers

Given f of x is equal to the quantity x minus 4 end quantity divided by the quantity x squared plus 13x plus 36 end quantity, wh

gavmur [86]

The simplified expression of the function $f(x) =\dfrac{x-4}{x^2+13x+36}$ is

$f(x) = \dfrac{x-4}{(x+9)(x+4)}$ . f(x) is increasing for all x > –4.The correct answer is option C.

<h3>What is a function?</h3>

A function is defined as a relation between the set of inputs having exactly one output each.

The function expression is given as:

$f(x) =\dfrac{x-4}{x^2+13x+36}$

Expand the denominator

$f(x) =\dfrac{x-4}{x^2+4x +9x+36}$

Factorize the denominator

$f(x) =\dfrac{x-4}{x(x+4)+9(x+4)}$

Factor out x + 9

$f(x) = \dfrac{x-4}{(x+9)(x+4)}$

The simplified expression of the function $f(x) =\dfrac{x-4}{x^2+13x+36}$ is

$f(x) = \dfrac{x-4}{(x+9)(x+4)}$ . f(x) is increasing for all x > –4

Read more about functions at:

brainly.com/question/1851758

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8 0

2 years ago

A chicken farmer started his summer with 6

mariarad [96]

Answer: It is multiplying by 6 each time

4 0

3 years ago

Find the equation of a line with slope 1/2 through the point (10,12)

mihalych1998 [28]

Answer:

$x-2y+14=0$

Step-by-step explanation:

$Slope \:( m) =\frac{1}{2}$

$(x_1 \:y_1) =(10, \:12)$

Equation of line in point slope form is given as:

$y-y_1 =m(x-x_1)$

Plugging the values of m and $(x_1 \:y_1)$ , we find:

$y-12=\frac{1}{2} (x-10)$

$2y-24=x-10$

$0=x-10-2y+24$

$x-2y+14=0$

This is the required equation of line.

5 0

3 years ago