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Sonja [21]
2 years ago
15

Three students conduct the same survey about the number of hours people sleep at night. The results of the number of people who

sleep 8 hours a night are shown below.
-Susan reported that 18 of the 48 people she surveyed get 8 hours sleep a night
-Kenneth reported that 36% of the people he surveyed get 8 hours sleep a night
-Jamal reported that 0.365 of the people he surveyed get 8 hours sleep a night
In which person’s survey did the most people sleep 8 hours?
Mathematics
2 answers:
dybincka [34]2 years ago
8 0

Answer:

susan

Step-by-step explanation:

susan as 18 out of 48 = 0.375

multiply by 100

0.375 x 100 = 37.5

AleksandrR [38]2 years ago
7 0
-Susan reporter that 18 of the 48 people she surveyed get 8 hours sleep a night !
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Simplify each expression by combining like terms. 7x - 4x + 28
Pepsi [2]
3x + 28

We can combine 7x and -4x because they are like terms. 7x -4x is equal to 3x. Now we rewrite the expression as 3x + 28.
7 0
2 years ago
1/-3/x^6 simplest radical form
Contact [7]

Answer:

The answer would be -x/3x^6

Step-by-step explanation:

The first step that you should take is apply the fraction rule.

That would make it -1/3/x^6

Then apply the fraction rule again.

That would make it. 1/3/-x^6

Then apply the last fraction rule.

That would make it -1/3x^6

5 0
3 years ago
Which point is a solution to the system of inequalities graphed here? y ≤ 2x 2 y ≥ -5x 4
Mandarinka [93]

The point that is a solution to the system of inequalities is (5, 0)

<h3>How to determine the points on the solution?</h3>

The system of inequalities is given as:

y ≤ 2x + 2

y ≥ -5x + 4

Next, we test the given options.


From the list of options, we have

(x, y) = (5, 0)

Substitute (x, y) = (5, 0) in y ≤ 2x + 2 and y ≥ -5x + 4

y ≤ 2x + 2

0 ≤ 2 * 5 + 2

0 ≤ 12 -- this is true

y ≥ -5x + 4

0 ≥ -5 * 5 + 4

0 ≥ -21 -- this is true

Since both results are true, then it means that the point that is a solution to the system of inequalities is (5, 0)

Read more about system of inequalities at:

brainly.com/question/24372553

#SPJ1

<u>Complete question</u>

Which point is a solution to the system of inequalities graphed here? y ≤ 2x + 2

y ≥ -5x + 4

A. (1,6)

B. (-6,0)

C. (0,5)

D. (5,0)

7 0
1 year ago
What is the solution to the equation fraction 4 over 5 n minus fraction 1 over 5 equals fraction 2 over 5 n?
photoshop1234 [79]

Answer:

value of n = 2

Step-by-step explanation:

\frac{4}{5n}-\frac{1}{5}=\frac{2}{5n}

We need to solve the above equation.

Find Least Common multiplier from 5n, 5 = 5n

Multiply both sides of the equation by 5n

\frac{4}{5n}*5n-\frac{1}{5}*5n=\frac{2}{5n}*5n\\Solving:\\4 -n = 2\\

Now finding the value of n.

Adding -4 on both sides

4 -n-4 = 2-4\\-n= -2

Multiplying both sides by -1

n = 2

The value of n is 2.

We can verify by putting value of n in the given question.

\frac{4}{5n}-\frac{1}{5}=\frac{2}{5n}\\n=2\\\frac{4}{5*2}-\frac{1}{5}=\frac{2}{5*2}\\\frac{4}{10}-\frac{1}{5}=\frac{2}{10}\\\frac{2}{5}-\frac{1}{5}=\frac{1}{5}\\\frac{2-1}{5}=\frac{1}{5}\\\frac{1}{5}=\frac{1}{5}

So, value of n = 2

5 0
2 years ago
The average marks for 25 students in a mathematics was was 48.
Komok [63]

Answer:

total of the data points = 1200

Step-by-step explanation:

The 'average' of a data set is the total of the data points divided by the number of data points.

Here:

total of the data points

---------------------------------- = 48

                 25

Multiplying both sides of this equation by 25 yields:

total of the data points = 1200

7 0
2 years ago
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