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myrzilka [38]
3 years ago
12

Sara says that median does not have to be one of the numbers in a set.

Mathematics
1 answer:
VladimirAG [237]3 years ago
3 0

Answer:

I think she is correct !

Step-by-step explanation:

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HELP PLEASEEE<br> HELPPPPPPPPPPPPPP
Anna71 [15]

Answer: B

<u>Explanation:</u>

slope is rise over run which is also \frac{y}{x}.

\frac{y}{x} = \frac{AmountEarned}{TimeWorked(h)}

which can be stated as: amount earned per hour (h)

6 0
3 years ago
g The population of Little Townville in 2005 was 13,625 people. In 2009 the population grew to 15,325 people. Assume that this t
german

Answer:

a) P(t) = 11500 + 425t

b) The slope is of 425 people, which is by how much the population increases each year.

c) The vertical intercept is of 11500 people, and it represents the population of Little Townville in the year 2000.

d) 17,875 people.

Step-by-step explanation:

A linear function that measures population after t years has the following format:

P(t) = P(0) + at

In which P(0) is the vertical intercept, which represents the initial population, and a is the slope, which represents the yearly population.

a. Write a function for the population, P, in terms of the number of years since 2000.

The first step is finding the slope.

Finding the slope:

The slope is the change in the output divided by the change in the input, during a period of time.

The population of Little Townville in 2005 was 13,625 people. In 2009 the population grew to 15,325 people.

This means that in 2009 - 2005 = 4 years, the population increased by 15325 - 13625 = 1700.

So the slope is

a = \frac{1700}{4} = 425

So

P(t) = P(0) + 425t

Finding the initial population:

We want to find P(0), which is the population in 2000. The population of Little Townville in 2005 was 13,625 people, which means that P(5) = 13625. So

P(t) = P(0) + 425t

13625 = P(0) + 425*5

P(0) = 13625 - 425*5

P(0) = 11500

So

P(t) = 11500 + 425t

b. What is the slope of the function and what does it represent in the context of the problem. Include units.

The slope is of 425 people, which is by how much the population increases each year.

c. What is the vertical intercept of the function and what does it represent? Include units

The vertical intercept is of 11500 people, and it represents the population of Little Townville in the year 2000.

d. What do you believe the population was in 2015?

2015 is 2015 - 2000 = 15 years after 2000, so this is P(15).

P(15) = 11500 + 425*15 = 17875

17,875 people.

3 0
2 years ago
Write exponential equation for geometric sequence where t(1)=140 and t(2)=98
ser-zykov [4K]

Step-by-step explanation:

common ratio r = 98/140

first term a = 140

geometric sequence formula is an = ar^(n-1)

an = 98^(n-1)

where n is the number of terms in the sequence

4 0
2 years ago
The ordered pair ( x + 4, y + 6) was used to translate an object. To find the pre-image of the object, you would need to move __
Harman [31]
B four units left and six units down

5 0
3 years ago
What is the slope of the line through -4,2 and 3,-3
Anvisha [2.4K]

Answer:

(-3-2)/(3+4)= -5/7= m

3 0
3 years ago
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