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3 years ago

I need help on number 1.

Mathematics

2 answers:

Neporo4naja [7]3 years ago

8 0

2 1/3

multiply 2x3 and add 1

2x3 = 6
6+1 = 7
the answer is 7/3

NemiM [27]3 years ago

5 0

2 and 1/3 written as an improper fraction.

3 * 2 + 1 = 7/3

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3 years ago

Read 2 more answers

Identify the mean and standard deviation of the graph

fgiga [73]

The answer is C, mean =100 and standard deviation=15

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3 years ago

The mathematics department of a college has 6 male professors, 9 female professors, 5 male teaching assistants, and 6 female tea

Hitman42 [59]

Given:

6 male professores

9 female professores

5 male teaching assistants

6 female teaching assistants

Sol:.

$N(A\text{ or B)=N(A)+N(B)-N(A and B)}$

N (professors)

$\begin{gathered} =6+9 \\ =15 \end{gathered}$

N(Male)

$\begin{gathered} =6+5 \\ =11 \end{gathered}$

N(professors and male)

$=6$

N(professors OR male) = N(professors) + N(males) -N(professor OR male)

$\begin{gathered} N(\text{ Professors OR male)=15+11-6} \\ =20 \end{gathered}$

N(People to choose from)

$\begin{gathered} =6+9+5+6 \\ =26 \end{gathered}$

Then probablitiy is:

$\begin{gathered} =\frac{20}{26} \\ =\frac{10}{13} \end{gathered}$

Then the probability is 10/13

6 0

1 year ago

-1/2+-5/6 thank you

aleksandrvk [35]

Answer:

-1 1/3 hope this helps

Step-by-step explanation:

8 0

3 years ago

If 2= (1+ r)^7 solve the equation for r?

solong [7]

7 = r^1/2 is the same as saying 7 = square root of r. So, to get rid of the square root sign on the r, you need to square it, and when you do something to one side of the equation, you have to do the same to the other side. So after squaring both sides, you get 49 = r.

8 0

3 years ago