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alexandr1967 [171]
3 years ago
13

What is the inverse of the relation {(-3, 5), (2, -2), (0, 1)}?

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
8 0
The inverse of a relation just switches the x and y values.
{(-3,5), (2,-2),(0,1)}
Inverse = {(5,-3),(-2,2),(1,0)}
Option 2
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The correct answer is C because your rounding the numbers to the nearest tens place.
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nekit [7.7K]

Answer:

no

Step-by-step explanation:

n-o

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Here are three different recipes for orangey- pineapple juice. Two of these mixtures taste the same and one tastes different.
LekaFEV [45]

Answer:

recipe 1 and recipe 2 will taste the same while recipe 3 will taste different

Step-by-step explanation:

Let's look at the Mix ratio

for recipe 1 the mix ratio is 2:3

recipe 2 ratio is 2:3

and recipe 3 ratio is 3:4

5 0
3 years ago
Po is an oncologist with seven patients in their care. the probability that a patient will survive five years after being diagno
alekssr [168]

Answer:

0.0923 = 9.23% probability that four of the patients are still alive after five years.

Step-by-step explanation:

For each patient, there are only two possible outcomes. Either they are still alive after five years, or they are not. The probability of a patient being alive is independent of any other patient, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

Po is an oncologist with seven patients in their care.

This means that n = 7

The probability that a patient will survive five years after being diagnosed with stage three breast cancer is 0.82.

This means that p = 0.82

What is the probability that four of the patients are still alive after five years?

This is P(X = 4). So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 4) = C_{7,4}.(0.82)^{4}.(0.18)^{3} = 0.0923

0.0923 = 9.23% probability that four of the patients are still alive after five years.

5 0
3 years ago
I know that: the first term of the sequence is -2, and the fifth term is - 1/8 . What is the 2nd term, 3rd term 4th term do you
Murljashka [212]

Solution

Here the first term = -2

5th term = -1/8

Now we have to find the common ratio (r)

Fifth term A5 = -1/8

-1/8 =a_{1} r^{4}

Here a_{1} = -2

Plug in a_{1}  = -2 in the fifth term and find the value of r.

-1/8 = -2r^{4}

r^{4} = \frac{-1/8}{-2}

r^{4} = \frac{1}{16}

Taking 4th root, we get

r = \frac{1}{2}

Now let's find the second term.

a_{2} = first term *r = -2 *1/2 = -1

2nd term = -1

3rd term = second term * 1/2 = -1 * 1/2 = -1/2

4th term = 3rd term *r = -1/2 *1/2 = -1/4

Thank you :)

6 0
3 years ago
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