The average number of siblings that each student has is larger than the original average.
We are told that the average number of siblings for the 25 students is 3.
Now, a new student with 8 siblings joins the class.
This addition will increase the class average amount of siblings due to the fact that this new student has 8 siblings which is 5 more than the class average.
Thus, we can conclude that the average number of siblings that each student has is larger than the original average.
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Answer:
36
Step-by-step explanation:
6 squared
Answer:
A= 36
Step-by-step explanation:
-20 +7 <23
Choose 1 answer:
Tv
--10-9-8-7-6-5-4-3-2
0
1
2
3
45
-5
3 2 1
0
1
2
3
4 5
6 7
8
9 10
©
-5-4-3-2-1
0
1
2
3
4
5
6
7
8 9 10
--10-9-8-7-6
-5
4
3
2
1
0
1
2
3 4 5
Helpppp me
Answer:
what are all these number for???
Step-by-step explanation:
Answer:
where is the graphs
Step-by-step explanation:
============================================================
Explanation:
Let's find the slope of the table. This will tell us the rate of change.
m = slope
m = (y2-y1)/(x2-x1)
m = (25250 - 26375)/(2 - 1) .... I used the first two rows
m = -1125/1
m = -1125
The slope of -1125 means the plane's altitude is decreasing at a rate of 1125 feet per minute. This is the descent speed.
Since we're told the initial altitude was 27500 ft, this means b = 27500
This means y = mx+b turns into y = -1125x+27500
x is the number of minutes and y is the altitude at time x
As a way to check this, plug in various x values of the table. You should get corresponding y values that match the table. I'll let you do this part.
------------------
Now plug in y = 16250 and solve for x
y = -1125x+27500
16250 = -1125x+27500
-1125x+27500 = 16250
-1125x = 16250-27500
-1125x = -11250
x = -11250/(-1125)
x = 10
It takes 10 minutes after the descent period has started, for the pilot to get to 16,250 ft.
Since the pilot was contacted at the x = 4 minute mark, this means 10-4 = 6 minutes is the duration needed for the pilot to go from 23,000 ft to 16,250 ft.
Answer:
It is C (4,3). Hope it helps.
Answer:
C. (4,3)
Step-by-step explanation:
To find the midpoint you must individually add the X's and the Y's and divide by 2. For example in this case, -2+10=8 divide by 2 and get 4. Then 3+3=6 divide by 2 is 3. It's that simple.
A.2√2X
B.4√X
C.2X√2X
D.√10X^3