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Likurg_2 [28]
3 years ago
7

The histogram below displays the distribution of 50 ages at dHere are the number of hours that 9 students spend on the computer

on a typical day:_______.
3 3 5 7 7 9 9 9 12
What is the mode number of hours spent on the computer?
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
6 0

Answer:

9

Step-by-step explanation:

There are 9 students who spend the following number of hours in a typical day on the computer.

3,3,5,7,7,9,9,9,12

The mode is the number that is of the highest frequency in any given set of values.

The mode number of hours is the highest number of hours spent on the computer.

The number 9 occured the most times. Therefore the mode hour is 9

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Use a graph to find x and y values that make both y=-x+3 and y=2x−5 true.
xeze [42]

Answer:

(8/3,1/3)

Step-by-step explanation:

Two attachments with two methods.

8 0
3 years ago
A paper cup is dropped and its landing position is recorded. The cup can land on the side, on the open end, or on the closed end
Tanya [424]

prob( it lands on open end) = 8/20 = 2/5

prob ( lands on closed end) = 4/20 = 1/5

The second choice is correct.

8 0
4 years ago
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Find the discriminant and the number of real roots for x^2+2x+8=0
forsale [732]

Answer:

Discriminant: -28

Number of real roots: 2

8 0
3 years ago
The population of a small town is decreasing exponentially at a rate of 14.3% each year. The current population is 9,400 people.
KonstantinChe [14]

Using an exponential function, the inequality is given as follows:

9400(0.857)^t < 6000

The solution is t > 2.9, hence the tax status will change within the next 3 years.

<h3>What is an exponential function?</h3>

A decaying exponential function is modeled by:

A(t) = A(0)(1 - r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

For this problem, the parameters are given as follows:

A(0) = 9400, r = 0.143.

The population after t years is modeled by:

A(t) = A(0)(1 - r)^t

A(t) = 9400(1 - 0.143)^t

A(t) = 9400(0.857)^t

The tax status will change when:

A(t) < 6000

Hence the inequality is:

9400(0.857)^t < 6000

Then:

(0.857)^t < \frac{6000}{9400}

\log{(0.857)^t} < \log{\left(\frac{6000}{9400}\right)}

t\log{0.857} < \log{\left(\frac{6000}{9400}\right)}

Since both logs are negative:

t > \frac{\log{\left(\frac{6000}{9400}\right)}}{\log{0.857}}

t > 2.9.

The solution is t > 2.9, hence the tax status will change within the next 3 years.

More can be learned about exponential functions at brainly.com/question/25537936

#SPJ1

7 0
2 years ago
32.5% of what is 12.48?
Agata [3.3K]
Percent is the amount of something in a whole per amount of the whole times 100. To solve for this problem, we write an expression and assign x as the number that represents the number where 32.5% is equal to 12.48.

(32.5/100)x = 12.48
x = 38.4
7 0
3 years ago
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