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Law Incorporation [45]
3 years ago
6

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is

37 hours and the median is 33.2 hours. Twenty-four of the families in the sample turned on the television for 22 hours or less for the week. The 16th percentile of the data is 22 hours. Step 4 of 5 : What is the value of the 50th percentile?
Mathematics
1 answer:
AleksAgata [21]3 years ago
6 0

Answer:

The value of the 50th percentile is 33.2 hours.

Step-by-step explanation:

The median corresponds to the 50th percentile, then the value of the 50th percentile is 33.2 hours.

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Which explains whether or not the function represents a direct variation?
s2008m [1.1K]

Answer:

The function represents a direct variation

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

In a linear direct variation the line passes through the origin and the constant of proportionality k is equal to the slope m

Let

A(0,0) ------> the line passes through the origin

B(2,10)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=10/2=5

C(4,20)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=20/4=5

D(6,30)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=30/6=5

E(8,40)

Find the value of k------> substitute the value of x and y

y/x=k-----> k=40/8=5

The value of k is equal in all the points of the table and the line passes through the origin

therefore

The function represents a direct variation

the equation of the direct variation is equal to

f(x)=5x

4 0
3 years ago
Read 2 more answers
Please help I really need help because I have to turn it in soon and yeah so comment
BartSMP [9]

Answer:

hi

Step-by-step explanation:

4- 3*1=3

6*1/100= 0.06

3+0.06= 3.06

5- 7*1= 7

3*1/10= 0.3

4*1/1,000= 0.004

7+0.3+0.004= 7.304

7- 3.3, 3.30

8- 9.3000, 9.30

9- 9.6, 9.600

10- 4.4000, 4.40

for #4-5 just put the number of 0s in the denominator of the fraction for the answer

3 0
2 years ago
Jennie's car averages 35 mile p gallon , gas is 2.56 p gallon what is the cost p mile ?
noname [10]

Answer:12

Step-by-step explanation:

Trust me bro

4 0
3 years ago
The larger of two numbers is five more than twice the smaller number. The sum of the two numbers is 38. Find the numbers.
White raven [17]

Answer:

11 and 16

Step-by-step explanation:

A good way to solve these is to work backwards.

X= larger and Y= smaller

if X is 5 more than 2Y than subtract 5 from the total

38 - 5 = 33

divide by 3

33/3 = 11

11 = Y and double that is 22 so add the five back into X and you get 16

8 0
3 years ago
Complete the square.<br> x2 + 14x +
jasenka [17]

Answer:

x² + 14x + 49

Step-by-step explanation:

x² + 14x + 49

each side = (x+7)

8 0
2 years ago
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