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Bond [772]
2 years ago
12

Which if the following rules best describes the matrix below?

Mathematics
1 answer:
crimeas [40]2 years ago
7 0

Answer:

D

Step-by-step explanation:

i just know i guess

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Among a group of 100 people, 68 can speak English, 45 can speak French, 42 can speak Spanish. 27 can speak both English and Fren
Nat2105 [25]

Answer:

Step-by-step explanation:

Given

No of People who can speak English is n(E)=68

No of People who can speak French is n(F)=45

No of People who can speak Spanish is n(S)=42

No of People who can speak both English and French n\left ( E\cap F\right )=27

No of People who can speak both English and Spanish n\left ( E\cap S\right )=25

No of People who can speak both French and Spanish n\left ( F\cap S\right )=16

No of people who can speak all languages is n\left ( E\cap F\cap S\right )=9

no of People who can Speak at least one Language is

n\left ( E\cup F\cup S\right )=n\left ( E\right )+n\left ( F\right )+n\left ( S\right )-n\left ( E\cap F\right )-n\left ( E\cap S\right )-n\left ( F\cap S\right )+n\left ( E\cap F\cap S\right )

n\left ( E\cup F\cup S\right )=68+45+42-27-25-16+9=96

Probability that Randomly selected can speak at least 1 of these languages

P=\frac{96}{100}=0.96

8 0
3 years ago
7n - 4 = 31
garik1379 [7]

7n - 4 = 31

move -4 to the other side

sign changes from -4 to +4

7n-4+4= 31+4

7n= 31+4

7n= 35

divide both sides by 7 to get n by itself

7n/7= 35/7

cross out 7 and 7 , divide by 7 and then becomes 1*1*n= n

n= 35/7

answer:

n= 5

6 0
3 years ago
PLEASE PLEASE PLEASE HELP A BROTHA OUT, THIS WAS DUE 5 DAYSS AGO please and thanks
lyudmila [28]

Answer:

Step-by-step explanation:

12231 qwse 23q

7 0
1 year ago
Draw a mapping diagram (0,-3) (4,12) (6,13) (7,0)​
I am Lyosha [343]

Answer:

Heres your answer in a picture

Step-by-step explanation:

Give brainliest when you can

8 0
4 years ago
What is the GCF for 282, 540, and 28
inna [77]
2•14 =28, 2• 270=540, 2•141=282, 2 is the GCF
6 0
2 years ago
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