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Liula [17]
2 years ago
6

Jackson kept track of the number of hours that he spent playing the drums each week for several weeks. He spent 8,1,7,6, and 14

hours. What is the range of the data set? A. 14 hours B. 13 hours C. 5 hours D. 1 hour​
Mathematics
2 answers:
Morgarella [4.7K]2 years ago
8 0

Answer:

B, 13 hrs

Step-by-step explanation:

DerKrebs [107]2 years ago
5 0
B 13 hours
Hope that’s right
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Solve the following system: <br> 3x + 2y = 7 <br> -4.5x - 3y = -10.5
valentina_108 [34]

Answer:

<u>infinitely many solutions</u>

Step-by-step explanation:

The system of equations :

  1. 3x + 2y = 7
  2. -4.5x - 3y = -10.5

Multiplying Equation 1 times 3 and Equation 2 times 2 :

  • 9x + 6y = 21
  • -9x - 6y = -21

Putting the equations in standard form after simplifying :

  1. 6y = -9x + 21 ⇒ <u>y = -1.5x + 3.5</u>
  2. -6y = 9x - 21 ⇒ <u>y = -1.5x + 3.5</u>

<u />

As both equations are the same, the system will have <u>infinitely many solutions</u>.

4 0
2 years ago
How many different outcomes are possible if you can choose between a bus or a train, full fare or concession and you can travel
Novosadov [1.4K]
3 pairs of choices give rise to 2^3 = 8 possibilities:
.. bus, full, morning
.. bus, full, afternoon
.. bus, concession, morning
.. bus, concession, afternoon
.. train, full, morning
.. train, full, afternoon
.. train, concession, morning
.. train, concession, afternoon
7 0
3 years ago
ethan took a quiz with 15 questions. if he answered 3/5 of the questions correctly, how many did he get wrong?
valentina_108 [34]
\frac{15}{1} *  \frac{3}{5} =  \frac{45}{5} = 9 &#10; &#10;&#10;&#10;&#10;

15-9= 6
Ethan got six questions wrong. 
3 0
3 years ago
Read 2 more answers
The price of a European tour includes stopovers at five cities to be selected from 15 cities. In how many ways can a traveler pl
serious [3.7K]

Answer:

The correct answer is D. 360,360.

Step-by-step explanation:

Number of cities as stopovers available for selection for an European tour = 15

A traveler has to select a total of five cities from these the given 15 cities for his tour and order is determined by the travel company.

Therefore the number of ways the traveler plan such a tour is given by \left[\begin{array}{ccc}15\\5\end{array}\right] = 3003.

Now the order of the cities chosen by the travel company is given by 3003 × 5! = 360,360 ways.

6 0
3 years ago
A video rental charges a $20 membership fee and $2.50 for each video rented. write and graph a linear equation (y=mx+b)
kipiarov [429]
Y=2.50x+20. Plug in values for x starting at 0 and you will get values for y and then graph.

6 0
3 years ago
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