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Oksanka [162]
3 years ago
5

Jessica works between 12h and 18h per week at her part-time job. She earns $9.25 per hour. The function p(h) = 9.25h models the

amount of her weekly paycheck for h hours of work. What is the practical range of the function?
a. all real numbers greater than 9.25
b. all real numbers
c. all real numbers greater than or equal to 0
d. all real numbers between 111 and 166.5 inclusive.

HELP
Mathematics
1 answer:
Tpy6a [65]3 years ago
3 0
D. All real numbers between 111 and 166.5 inclusive.

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2) f(x) = 27x^6+ 1524x^3+125
Norma-Jean [14]

Answer:

Step-by-step explanation:

Let x^3 = y

f(x) = 27(x^3)^2 + 1524(x^3) + 125

f(x) = 27 y^2 + 1524y + 125

You can now put this into the quadratic formula. When you do, you get

(y + 0.0821)(y+56.3623) = 0

So now you substitute x^3 into this

(x^3 + 0.0821)(x^3 + 56.3623)

x^3 + 0.0821 = 0

x^3 = - 0.0821

cuberoot x^3 = cube root 0.0821

x = - 0.4346

x^3 = - 56.3623

x = - 3.8341

8 0
3 years ago
6. Brandom can swim 15 laps around the pool in 40 minute. Peter can swim 10 laps in 25 minutes.
wel

Answer:

A. Brandon can swim 0.375 laps every minute and Peter can swim 0.4 laps a minute.

B. Brandon 0.375 laps a minute Peter 0.4 laps a minute

C. Peter will swim 20 laps first I know because the rate at which he swims is faster than Brandon's

3 0
2 years ago
Which of the following graph represents the equation y-2=3(x-1)​
pshichka [43]

Answer with explanation:

To draw the graph of linear equation of the form

  y-a=m (x-b)

We will first write it in slope intercept form which is of the form

   \frac{x}{a}+\frac{y}{b}=1\\\\\rightarrow y-2=3 \times (x-1)\\\\\rightarrow y-2=3 x-3\\\\\rightarrow 3 x-y=3-2\\\\\rightarrow 3 x-y=1\\\\\rightarrow \frac{x}{\frac{1}{3}}+\frac{y}{-1}=1

It will cut x axis and y axis at , (\frac{1}{3},0) \text{and} (0,1) respectively.

As Euclid postulate States that, Unique equation of line can be Determined by two points,So join these two points.And Infinite number of points lie on a line.

Graph B

6 0
3 years ago
Pls help! I need the slope, I can plot the points!
Karolina [17]
I think it’s b to be honest with you
4 0
2 years ago
Read 2 more answers
se vendieron 144 boletos. 2 pesos por adulto y un peso por niño, si se gastaron 207 pesos cuantos boletos de adulto se vendieron
natulia [17]

Answer:

Se vendieron 81 boletos de niños y 63 boletos de adultos.

Step-by-step explanation:

La cantidad de boletos vendidos es igual a:

144 = a + n   (1)

En donde <em>a </em>es por adultos y <em>n</em> por niños

A su vez, el dinero gastado equivale:

207 = 2*a + 1*n   (2)

Resolviendo la ecuación (1) para <em>a:</em>

a = 144 - n   (3)

Introduciendo (3) en la ecuación (2) tenemos:

207 = 2*(144 - n) + n

n = 81

Ahora podemos calcular el numero de boletos de adultos vendidos introduciendo <em>n</em> en la ecuación (3):

a = 144 - n = 144 - 81 = 63

Entonces, se vendieron 81 boletos de niños y 63 boletos de adultos.  

Espero que te sea de utilidad!      

5 0
2 years ago
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