I hope this helps you
14= 2/3 (9y-15) divided 2 each sides
7= 9y-15/3
7.3= 9y-15
21+15= 9y
36= 9y
y= 4
Answer:
Example 0-30 in 0-5 5-10 10-15 etc... upto 25-30
a) 12 and 15 or 10 and 15
b) none
c) none
a) Confidence Level Margin of Error Error Bar
68.3%, sx 12.2857 ±2.275 (±18.52%)
so a0 could be also 12.2857 - 2.275 = 10
Answer therefore may be 10 and 15
So try do a histogram go in 10's across 1-10,10-20,20-30,30-40,40-50
And if mean is 43 then you would need to multiply everything inside box by 0.3 before you can start the y axes
questions like this start with 0 - 50
So this is a BIDMAS question so first you do the division and multiplication so you do (15 x 18) + (12/3) + 9 and get 270 + 4 + 9 which you just add to get 283. Hope this helps :)
Ratios are proportional if they represent the same relationship. One way to see if two ratios are proportional is to write them as fractions and then reduce them. If the reduced fractions are the same, your ratios are proportional.
1) A student will study German for at least 3 years. x≥3
2) All employees work less than 40 hours. x<40
3) There are at least 35 people in the emergency room. x≥35
4) The carton holds at most 12 eggs. x≤12
5) There are no more than 10 gallons of gas in the tanks. x≤10
6) There are fewer than 10 yards of fabric left. x<10
7) The temperature is above 32°F. x>32
8) Years of experience cannot be less than 5 years. x≥5
