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swat32
3 years ago
10

Does there exist a function that is not a relation

Mathematics
1 answer:
Setler79 [48]3 years ago
4 0
No, a function is always a relation. A relation may not always a function but the vice versa is true.

It's like the relationship between a rectangle and a square. A rectangle has 4 right angles and 2 sets of congruent sides while a square has 4 right angles and all sides are congruent. Which means that a rectangle is a square, but a square may not always be a rectangle.
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Add.<br><br> Express your answer in simplest form. <br><br><br> 5/10+3/10
AlexFokin [52]
Rules in adding fractions:

1) Make sure that they have common denominator.
5/10 + 3/10

2) Since both fraction have a denominator of 10, add the numerator and place the sum above the denominator

5/10 + 3/10 = (5 + 3)/10 = 8/10

3) Simplify the fraction
8/10 can still be simplified into 4/5

8 ÷ 2 = 4
10 ÷ 2 = 5

5/10 + 3/10 = 4/5
8 0
3 years ago
Read 2 more answers
You are presented with three urns. each urn has 10 marbles. in addition, each urn holds only black or red marbles. urn 1 has 3 r
Pachacha [2.7K]
To calculate this probability we must take into account that there is the same probability that any of the 3 urns is chosen.
 This probability is:
 P (U1) = P (U2) = P (U3) = 1/3
 Urn 1 contains 7 black and 3 red marbles
 Urn 2 contains 2 black and 8 marbles network
 Urn 3 contains 5 black marbles and 5 red marbles.

 The probability of obtaining a black marble in Urn 1 is 7/10.
 The probability of obtaining a black marble in Urn 2 is 2/10
 The probability of obtaining a black marble in Urn 3 is 5/10.

 Then we look for the probability of obtaining a black marble from urn 1 or a black marble from urn 2 or a black marble from urn 3. This is:
 P (U1yB) + P (U2yB) + P (U3yB)
 So:
 (1/3) * (7/10) + (1/3) * (2/10) + (1/3) * (5/10) = 0,2333 + 0,0667 + 0,1667 = 0, 4667.
 The probability that it is a black marble is 46.67%
5 0
3 years ago
HELP ME PLEASE!!!!!<br><br> PLEASE AND THANK YOU!!!!!!
Alja [10]
The first one is eight 4400-2400=2000 2000/250=8
7 0
3 years ago
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Verizon [17]

Answer:

It equals 140 because angle 5 is 140

8 0
3 years ago
What’s 80% as a fraction
Scilla [17]

Answer:

4/5

Step-by-step explanation:

6 0
3 years ago
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