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mylen [45]
3 years ago
8

I hope that we pass this semester god bless :)) calming it

Mathematics
1 answer:
Umnica [9.8K]3 years ago
7 0

Answer:

me too

Step-by-step explanation:

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Suppose that the expected number of accidents per week at an industrial plant is 5. Suppose also that the number of workers inju
Ksivusya [100]

Answer:

12.5

Step-by-step explanation:

If the number of workers injured in each accident is i<em>ndependent </em>of the number of accidents that occur, <em>then the expected number of workers injured in a week equals the expected number of accidents per week times the expected number of workers injured in each accident. </em>

But the expected number of workers injured in each accident is precisely the average or mean, so

<em>Expected number of workers injured in a week = 5*2.5 = 12.5. </em>

Or in other words, in 10 weeks there will probably be 125 workers injured.

6 0
3 years ago
A: What are the solutions to the quadratic equation?
noname [10]

Answer:

<h2>A. x = -1 or x = 3</h2><h2>B. first</h2>

Step-by-step explanation:

x^2-2x-3=0\\\\x^2+x-3x-3=0\\\\x(x+1)-3(x+1)=0\\\\(x+1)(x-3)=0\iff x+1=0\ \vee\ x-3=0\\\\x+1=0\qquad\text{subtract 1 from both sides}\\x=-1\\\\x-3=0\qquad\text{add 3 to both sides}\\x=3

3 0
3 years ago
Determine the check digit for the UPC number <br><br> 4 59058 34480 ? <br> As like a bar code
stepan [7]

Answer:

I hope this helps! If you need help with another, just ask me to answer another question in the comments.

5 0
4 years ago
What is the quotient of (x^3 + 3x^2 - 4x - 12) / (x^2 + 5x + 6)?
Zielflug [23.3K]

Answer:

Try using this app

Step-by-step explanation:

M A T H W A Y

all one word and no spaces

7 0
3 years ago
Read 2 more answers
Make up an equation of the form y = kx +b, the graph of which passes through the following points: A (8, –1) and B (–4, 17)
igor_vitrenko [27]

Answer:

One equation would be y= -1.5x +11

Step-by-step explanation:

Here's a table to show the coordinates

x:             y:

8              -1

-------------------

-4             17

the x coor. 8  goes down by 12 to get to the next x coor. -4.

8-12= -4

the y coor. -1 goes up by 18 to get to the next y coor. 17.

-1+18= 17

therefore 18/-12 is -1.5 which can be your k in y=kx+b.

Check your answer.

-1.5*8= -12 but when you add 11, you get the y coor. -1

Do the same with the other x coor.

-4*-1.5= 6 + 11 =17

11 can be your b in the slope-intercept form equation.

One equation may be y = -1.5x +11

4 0
3 years ago
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