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hodyreva [135]
3 years ago
10

What is the median of the data?what is the IQR?​

Mathematics
2 answers:
alexdok [17]3 years ago
4 0

Answer:

median: 50, (IQR) interquartile range: 45

Step-by-step explanation:

Median: 50

Lower quartile: 20

Upper quartile: 65

interquartile range: 65 - 20 = 45

ololo11 [35]3 years ago
3 0
The median is also the number that is halfway into the set. To find the median, the data should be arranged in order from least to greatest. If there is an even number of items in the data set, then the median is found by taking the mean (average) of the two middlemost numbers.
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Find the equation of the line passing through the point (-4,6). And having a slop of 1/2
Y_Kistochka [10]
The answer for this question is = 
y = 1/2x+ 8

Work
y= mx +b:
y= 1/2x+b 
x= -4 
y=6
6=1/2(-4)+b
6=-2+b
b=8
y=1/2x+8



6=
5 0
3 years ago
Which statement is true about the function f(x)= -x?
Oxana [17]

Answer:

Step-by-step explanation:

The domain of the graph is all real numbers.

8 0
3 years ago
Read 2 more answers
A soccer ball is kicked toward the goal. The height of the ball is modeled by the function h(t) = −16t2 + 48t where t equals the
zlopas [31]
1. The function h(t)=-16t^{2}+48t is a parabola of the form ax^{2}+bx. The the formula for the axis of symmetry of a parabola is x= \frac{-b}{2a}. We can infer from our function that a=-16 and b=48, so lets replace those values in our formula:
x= \frac{-b}{2a}
x= \frac{-48}{-2(16)}
x= \frac{-48}{-32}
x= \frac{3}{2}
x=1.5
We can conclude that to the left of the line of symmetry the ball is reaching its maximum height, and to the right of the line of symmetry the ball is falling.

2. Lets check how much time the ball takes to reach its maximum height and return to the ground. To do that we are going to set the height equal to zero:
0=-16t^{2}+48t
-16t(t-3)=0
t=0 or t-3=0
t=0 or t=3
From our previous point we know that the ball reaches its maximum time at t=1.5, which means that <span>it takes 1.5 seconds to reach the maximum height and 1.5 seconds to fall back to the ground.</span>

7 0
3 years ago
Read 2 more answers
29 If the zeros of a quadratic function, F, are -3 and 5, what is the equation of the axis of symmetry
UNO [17]

Answer:

the axis of symmetry is X = 1

Step-by-step explanation:

make sure to ask if you need any further guidance.

8 0
1 year ago
A mathematics book has 360 pages, of which 50% are on algebra, 20% on geometry and the remainder on arithmetic how many pages ar
Arte-miy333 [17]

Answer:

30% of the pages are arithmetic, or 108 pages

Step-by-step explanation:

50% are on algebra = 180 pages

360 x .5 = 180

20% are on geometry = 72 pages

360 x .2 = 72

30% are on arithmetic = 108

180 + 72 + 108 = 360 pages

50% + 20% + 30% = 100%

6 0
3 years ago
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