Answer:
24.8 mins
Step-by-step explanation:
Time > timemark > frequency
0 – 10 > 10/2 = 5 > 5
10 – 20 > (10+20)/2 = 15 > 15
20 – 30 > (20+30)/2 = 25 > 13
30 – 40 > (30+40)/2 = 35 > 10
40 – 50 > (40+50)/2 = 45 > 7
The mean time for the 50 people is given by:
Mean = summation (mid time x frequency) / total frequency
Mean = [5x5 + 15x15 + 25x13 + 35x10 + 45x7] / 50
Mean = [25 + 225 + 325 + 350 + 315] / 50
Mean = 1240 / 50
Mean = 24.8 mins
Answer:
im not sure but i think its 151200
Step-by-step explanation:
12000 + %5 = 12600 x 12 = 151200 i could be completely wrong tho
Answer:
Step-by-step explanation:
<u>Given:</u>
<u>Comparing the total cost, work out the value of x:</u>
- 2x + x + 0.2 = 3.80
- 3x = 3.60
- x = 1.20
Answer:
-2
Step-by-step explanation:
(7 - 0)/(0 - 3.5) = -2
Answer:
90°
Step-by-step explanation:
Whenever you are required to transfer from Radians to Degrees, simply multiply the Numerator by 180° (180). Treat the 
as a variable such as x and y, and divide by the numerator.
