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7nadin3 [17]
3 years ago
13

Which relation is not a function

Mathematics
1 answer:
3241004551 [841]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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The sum of two numbers is 6, their difference is 4, find the two numbers. What is their product?
Firlakuza [10]

Answer:

The two numbers are 5 and 1. Their product is 5

Step-by-step explanation:

x + y = 6 (*)

x - y = 4 (**)

Let (*) + (**)

--> (x+y) + (x-y) = 6 + 4

<=> 2x = 10 <=> x = 5

Substitute x= 5

(*) <=> 5 + y = 6

<=> y=1

Answer: (x,y) = (5,1)

Their product: x.y = 5x1 = 5

6 0
3 years ago
Mark rolls 2 fair dice and adds the results from each.
Natali5045456 [20]

Answer:

P ( X > 5 ) = 72,2 %

Step-by-step explanation:

The probability of success ( outcomes bigger than 5 )

If dice  1  outcome is 6 no matter wich outcome we get from dice 2 all events are successful, the we have 6 outcomes

If dice 1 outcome is 5  we also have  6 outcomes

If dice 1  outcomes is 4 we have 5 positive outcomes

If dice 1  outcome is 3  we have 4 positive outcomes

If dice 1  outcome is 2  we have 3 positive outcomes

if dice 1  outcome is 1  we have 2 positive outcomes

Total evaluating dice 1: positive outcomes 26

We will get the sames results analysing  dice 2 then we have a total of

52 successful events

And total numbers of outcomes is 36 + 36 = 72

Then

P ( X > 5 ) = 52/72  

P ( X > 5 ) = 0,722    

P ( X > 5 ) = 72,2 %

7 0
4 years ago
I need this answer ?
FromTheMoon [43]
Are you sure you need help with that easy problem read it slowly then ask
7 0
3 years ago
What is 3.08 x 12.4 ?
lawyer [7]

Answer:

=38.192x

Step-by-step explanation:

I hope this helps you

7 0
3 years ago
Karen buys 8.5 pounds of flour she uses 2.5 pounds to make bread she keeps the rest of the flour in a small storage bags if each
fenix001 [56]
15 is the answer . What you do is unsimplify 2/5 which equals .4 . Then divide 6 and .4 which is 15
4 0
3 years ago
Read 2 more answers
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