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monitta
2 years ago
12

A 2-column table with 5 rows. the first column is labeled x with entries negative 4, negative 1, 0, 2, 3. the second column is l

abeled y with entries negative 6, negative 1, 1, 4, 7. find a linear function that models the data in the table. f(x) = x
Mathematics
1 answer:
Licemer1 [7]2 years ago
8 0

The linear function that models the data in the table is y = \frac{3}{2}x + 1

<h3>How to determine the linear model?</h3>

The table of values is given as:

x      y

-4      -6

-1     -1

0     1

2     4

3    7

The linear equation is calculated using:

y = \frac{y_2 -y_1}{x_2 - x_1} * (x - x_1) + y_1

So, we have:

y = \frac{4 -1}{2 - 0} * (x - 0) + 1

Evaluate the differences

y = \frac{3}{2}x + 1

Hence, the linear function that models the data in the table is y = \frac{3}{2}x + 1

Read more about linear functions at:

brainly.com/question/4025726

#SPJ4

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. At a clothing store, 12 people purchased blue sweaters, 8 purchased green sweaters, 4 purchased gray sweaters, and 7 purchased
DedPeter [7]

Answer:

The probability that they purchased a green or a gray sweater is \frac{12}{31}

Step-by-step explanation:

Probability is the greater or lesser possibility of a certain event occurring. In other words, probability establishes a relationship between the number of favorable events and the total number of possible events. Then, the probability of any event A is defined as the quotient between the number of favorable cases (number of cases in which event A may or may not occur) and the total number of possible cases. This is called Laplace's Law.

P(A)=\frac{number of favorable cases}{number of possible cases}

The addition rule is used when you want to know the probability that 2 or more events will occur. The addition rule or addition rule states that if we have an event A and an event B, the probability of event A or event B occurring is calculated as follows:

P(A∪B)= P(A) + P(B) - P(A∩B)

Where:

P (A): probability of event A occurring.

P (B): probability that event B occurs.

P (A⋃B): probability that event A or event B occurs.

P (A⋂B): probability of event A and event B occurring at the same time.

Mutually exclusive events are things that cannot happen at the same time. Then P (A⋂B) = 0. So, P(A∪B)= P(A) + P(B)

In this case, being:

  • P(A)= the probability that they purchased a green sweater
  • P(B)= the probability that they purchased a gray sweater
  • Mutually exclusive events

You know:

  • 8 purchased green sweaters
  • 4 purchased gray sweaters
  • number of possible cases= 12 + 8 + 4+ 7= 21

So:

  • P(A)=\frac{8}{31}
  • P(B)=\frac{4}{31}
  • P(A⋂B) = 0

Then:

P(A∪B)= P(A) + P(B)

P(A∪B)= \frac{8}{31}+ \frac{4}{31}

P(A∪B)= \frac{12}{31}

<u><em>The probability that they purchased a green or a gray sweater is </em></u>\frac{12}{31}<u><em></em></u>

5 0
3 years ago
Write these numbers in order from least to greatest. ( 3-3/10), (3.1) , (3-1/4)
Orlov [11]

Our three numbers are...

3 3/10 = 3.3

3.1

3 1/4 = 3.25

So, if we order those from least to greatest, we have...

3.1, 3.25, 3.3

which, in the forms given, is...

3.1, 3-1/4, 3-3/10

7 0
3 years ago
Work out, giving your answer as a mixed number:
anyanavicka [17]

Answer:

1 11/20

Step-by-step explanation:

hope this helps! :)

8 0
3 years ago
Read 2 more answers
Nathan ordered one cheeseburger and one bag of chips for 3.75 jack ordered two cheeseburgers and three bags of chips for 8.25 kn
Elan Coil [88]

Answer:

cheeseburger is $3 and chips is $0.75

Step-by-step explanation:

Let price of cheeseburger be x while price of a bag of chips be y hence for the case of Nathan, we can write the equation as x+y=3.75. Similarly, for Jack, we can write it as 2x+3y=8.25

x+y=3.75 hence x=3.75-y and substituting this into the second equation we have

2x+3y=8.25

2(3.75-y)+3y=8.25

7.5-2y+3y=8.25

y=8.25-7.5=0.75

x=3.75-y=3.75-0.75=3

Therefore, price of cheeseburger is $3 and chips is $0.75

7 0
3 years ago
Find the slope of a line that passes through the given points. Write your answer below.
12345 [234]
Just use the formula:
slope(m) = \frac{y_2-y_1}{x_2-x_1}

Then, plug in numbers:
m = \frac{1-4}{-2-3} = \frac{-3}{-5} = \frac{3}{5}

And that would be your answer: 3/5 is the slope.
4 0
3 years ago
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