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nikdorinn [45]
3 years ago
12

Which is the best definition of a counterexample?

Mathematics
2 answers:
Rudiy273 years ago
8 0

D

(It contradicts)

!!!!!!!

Leni [432]3 years ago
3 0

Answer:

D. An example that shows a statement is not true.

Step-by-step explanation:

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What is 12/25 divided by 4
UNO [17]
In order to find the answer to this, you must first turn 4 into a fraction (4/1)

12/25 divided by 4/1 is the same as 12/25 multiplied by 1/4, because when dividing fractions, you must use the reciprocal of the divisor and multiply.

12/25 x 1/4 = 12/100 = 6/50 = 3/25

Your answer should be 3/25<span />
5 0
3 years ago
Read 2 more answers
Simplify <br>-1^3 <br>(-5)^2 ​
tigry1 [53]

Answer:

1. -1

2.25

Step-by-step explanation:

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8 0
3 years ago
Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest
Scorpion4ik [409]

Answer:

P(even) is 1/2.

Step-by-step explanation:

To get the probability of even numbers, you divide the amount of even numbers by the total amount of numbers. You should get 2 (amount of even numbers) /4 (total amount of numbers.) This simplifies to 1/2. I hope this helps and that you have a marvelous day!! Stay safe!!

3 0
3 years ago
A restaurant has a total of 30 tables which are of two
Anna007 [38]

Answer:

Total number of tables of first type       = 23.

Total number of tables of second type = 7

Step-by-step explanation:

It is given that there are 30 tables in total and there are two types of tables.

Let's call the two seat tables, the first type as x and the second type as y.

∴                                             x + y = 30                        ......(1)

Also a total number of 81 people are seated. Therefore, 2x number of people would be seated on the the first type and 5y on the second type. Hence the equation becomes:

                                            2x + 5y = 81                        .....(2)

To solve (1) & (2) Multiply (1) by 2 and subtract, we get:

                                                      y = 7

Substituting y = 7 in (1), we get x = 23.

∴ The number of tables of first kind         = 23

  The number of tables of second kind   = 7

3 0
3 years ago
How many composite number between 1 and 50
Kamila [148]

Step-by-step explanation:

There are 34 composite numbers between 1 to 50 which are as follows: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50.

5 0
3 years ago
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