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Liula [17]
3 years ago
14

Six students measure the acceleration (in meters per second per second) of object in free fall. The measured values are shown. T

he students want to state that the absolute deviation of each measured value x from the mean is at most d. Find the value of d. 10.56, 9.52, 9.73, 9.80, 9.78, 10.91
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
6 0
The measured data is
x=[10.56, 9.52, 9.73, 9.80, 9.78, 10.91].

Calculate the mean.
m = (10.56+9.52+9.73+9.80+9.78+10.91)/6 = 10.05

Calculate the deviations from the mean.
k = x - m
   = [0.51, -0.53, -0.32, -0.25, -0.27, 0.86]

Calculate the absolute deviation from the mean.
d= \frac{1}{6} | (0.51-0.53-0.32-0.25-0.27+0.86) | = |1.184\times10^{-15}| \approx 0

Answer: 0

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goldenfox [79]
Answer: 27 children and 12 adults

Explanation:

      9 children  --------- 4 adults   ---------  Total = 9 + 4 = 13
      9 children  --------- 4 adults   ---------  Total = 9 + 4 = 13
+    9 children  --------- 4 adults   ---------  Total = 9 + 4 = 13
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      27 children  ------- 12 adults   ---------  Total               39
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8 0
3 years ago
What is the percent of change from 25 to 39?
sergeinik [125]
I think it would be 14%




25+14=39 = 14% in change
5 0
3 years ago
Is one half equal to 7/12
yuradex [85]
We can chang efractions to compare them by multiplying them by 1 or x/x where x=x so

1/2=7/12?
make bottom numbers equal
2 times what=12
divide 2
what=6

1/2 times 6/6=6/12
6/12=7/12
6=7
false

so therefor it does NOT equal 7/12
3 0
3 years ago
Read 2 more answers
A car speed up from 10 mph to 50 mph over a time<br> period of 10 seconds What is the acceleration?
liq [111]

Answer:

40 mph

Step-by-step explanation:

the acceleration is 40 mph

6 0
3 years ago
If r = 9, b = 5, and g= −6, what does (r + b − g)(b + g) equal?
r-ruslan [8.4K]

Answer:

-20

Step-by-step explanation:

(r + b − g)(b + g)

we have fom statement:

r = 9    

b = 5

g= −6

so we have:

(r + b − g)(b + g)= (9+5-(-6))*(5+(-6))

(r + b − g)(b + g)= (14+6)*(-1)

(r + b − g)(b + g)= -20

8 0
2 years ago
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