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blsea [12.9K]
3 years ago
7

9(2x + 5) − (x − 4)= ?

Mathematics
1 answer:
laila [671]3 years ago
6 0
17x + 49

Have a great day!
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2. (For this problem, leave your answers in Combinatorics format – do NOT simplify). A conference is being held that faculty mem
SSSSS [86.1K]

Answer:

Follows are the solution to this question:

Step-by-step explanation:

please find the complete question in the attached file.

female = 23  and male = 19 faculty members

Randomly selected member are = 6

In point 1:

The Probability to equally selecting men and women:

= \frac{(23C3+19C3)}{42C6}

In point 2:

The Probability of selecting at least 4 men:

= \frac{((19C4 \times 23C2)+(19C5 \times 23C1)+(19C6))}{42C6}

In point 3:

The probability in which no women are chosen implies that 6 selected members are from 23 women:

= \frac{23C6 }{42C6}

In point 4:

The Probability in which no more than 4 women are selected:

\frac{((19C6)+(23C1 \times 19C5)+(23C2 \times 19C4)+(23C3 \times 19C3)+(23C4 \times 19C2))}{42C6}

8 0
3 years ago
A number line is shown.
m_a_m_a [10]

Answer:

<h2>it's b) F and G</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • integer
  • addition
  • PEMDAS
<h3>let's solve:</h3>

-5 and 5 make

if you add them you will get 0

-5+5

=0

therefore

<h3>it's b</h3>

6 0
3 years ago
An item is priced at $13.24. If the sales tax is 5%, what does the item cost including sales tax?
cestrela7 [59]
B would be correct cause 5 percent would be .66
8 0
3 years ago
Read 2 more answers
Y-3=(x+2)^2<br><br> Please explain how you graph this and find the vertex and axis of symmetry
bija089 [108]
Okay so I attatched pictures of my work. I would just graph it by plugging in x-values on either side of the vertex into the equation. For example, the vertex is at (-2,3). So try plugging x=-5 and x=1 into the equation (y=a(x-h)^2 +k).
y=(x+2)^2 +3
y=((1)+2)^2 +3=(3)^2+3= 9+3= 12 
Now you can plot the vertex (-2,3), the point (1,12), and (-5,12). From there just connect the dots and you should get a graph that looks similar to the last picture I attached. Hope this all made sense sorry it was so wordy I just wasn't sure how much you knew or didn't know. So, I thought it would be better to explain it all rather than not enough. 


8 0
3 years ago
What is the value of x?<br>​2√2=x​
Inessa [10]

The value of x=8 because that symbol between the 2 two's is cubed so that means 2x2x2=8

Just to look unnecessarily neat

2

x

2                   Because when the the symbol "cubed" is involved it will be  

x                   multiplied 2x over itself as you would do to find the area of

2                   A cube

_

8

3 0
3 years ago
Read 2 more answers
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