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Sonja [21]
3 years ago
6

Find the mean, median mode, and range of the given data set. 7, 6, 13, 16, 15, 9

Mathematics
1 answer:
yuradex [85]3 years ago
5 0

Answer:

Step-by-step explanation:

arranging in ascending order

6,7,9,13,15,16

mean=(6+7+9+13+15+16)/6=66/6=11

number of terms=6

median=(3rd term+4th term)/2=(9+13)/2=22/2=11

range=6,7,9,13,15,16

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What 2 numbers multiply to be -14 and add to be -3
Svetach [21]
Xy = -14
x + y = -3

xy = -14
\frac{xy}{x} = \frac{-14}{x}
y = \frac{-14}{x}

x + y = -3
x + \frac{-14}{x} = -3
\frac{x^{2}}{x} + \frac{-14}{x} = -3
\frac{x^{2} - 14}{x} = -3
x^{2} - 14 = -3x
x^{2} + 3x - 14 = 0
x = \frac{-(3) \± \sqrt{(3)^{2} - 4(1)(-14)}}{2(1)}
x = \frac{-3 \± \sqrt{9 + 56}}{2}
x = \frac{-3 \± \sqrt{65}}{2}
x = \frac{-3 \± 8.06}{2}
x = -1.5 \± 4.03
x = -1.5 + 4.03    or    x = -1.5 - 4.03
x = 2.53    or    x = -5.53

        x + y = -3
   2.53 + y = -3
 - 2.53         - 2.53
              y = -5.53
        (x, y) = (2.53, -5.53)
         
         x + y = -3
  -5.53 + y = -3
+ 5.53         + 5.53
              y = 2.53
        (x, y) = (-5.53, 2.53)

The two numbers that multiply to -14 and add up to -3 are -5.53 and 2.53.
8 0
3 years ago
What is the range for the graph below?
mario62 [17]

Answer:

All real numbers except -3

Step-by-step explanation:

Range refers to numbers on the y-axis.

Domain refers to numbers on the x-axis.

Both of those lines will never reach -3, just come extremely close to it.

6 0
3 years ago
There are 425 sheets of printer paper in every pack. If Zoey needs 6800 sheets of paper for her business each week, which equati
Orlov [11]
B. 425 divided by p=6800
5 0
2 years ago
Read 2 more answers
Which power does this expression simplify to?<br> [(7)(7)<br> 1<br> - -<br> ооо<br> 74<br> O
Paha777 [63]

Step-by-step explanation:

Answer is in attached image...

hope it helps

6 0
3 years ago
A box has 5 beads of the same size, but all are different colors. Tina draws a bead randomly from the box, notes its color, and
lesya692 [45]
Probability of first red = 1/5
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Required probability is (1/5)^3  = 1/125

its D
5 0
3 years ago
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