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andrew11 [14]
3 years ago
8

Add 31g+22 and -13g+17

Mathematics
1 answer:
Orlov [11]3 years ago
6 0
The answer is 18g+39
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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
HELP ASAP ! NO GUESSING, I BEG YOU. // 5(4x + 2) ÷ 7y
Mrrafil [7]
Hope this photo helps

6 0
3 years ago
Read 2 more answers
PLS HELP BRAINLIEST
laiz [17]

Answer:

a) AB = 17 m

b) AC = 20.8 m

Step-by-step explanation:

Pythagorean theorem

a^2 + b^2 = c^2

a)

AB^2 = (26-11)^2 + 8^2

AB^2 = 15^2 + 8^2

AB^2 =  225 + 64

AB^2 = 289

AB = 17 m

b)

AC^2 = AB^2 + BC^2

AC^2 = 17^2 + 12^2

AC^2 =289 + 144

AC^2 = 433

AC = 20.8 m

7 0
3 years ago
PLEASE HELP ME ANSWER THIS BECAUSE IM NOT SMART
dexar [7]

Answer:

negative

Step-by-step explanation:

5 0
3 years ago
Find the 18th term of the following Arithmetic Sequence<br> - 2.3, -1.1, 0.1, 1.3........
Eva8 [605]
I’m pretty sure the answer is 21.6
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3 years ago
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