What is the interquartile range for the data set? 241, 230, 201, 245, 209, 211, 242, 201, 204, 228, 242, 243 Enter your answer i
creativ13 [48]
The answer is 36. The formula for IQR is Q3-Q1.
Q3=242.5 Q1=206.5
242.5-206.5=36
So 36 is your IQR
I THINK there is a typo. Instead of "for problems each day", i think it's "four problems each day."
Anyway, we need to find how many days it takes Jeremy to complete the paper.
If he completes 8 problems on the first day and 4 on the rest of the days, after the first day he'll have 28 - 8 = 20 more problems.
And since he does 4 every day with 20 problems: 20 / 4 = 5 days.
Answer:
Step-by-step explanation:
x²-bx-22=0
put x=4
4²-4b-22=0
16-4b-22=0
-4b-6=0
2b+3=0
b=-3/2
x²-3/2x-22=0
2x²-3x-44=0
2x²-11x+8x-44=0
x(2x-11)-4(2x-11)=0
(2x-11)(x-4)
roots are 11/2,4
The only thing that we have to do in this problem is to
convert the units.
We know that:
1000 g = 1 kg
100 cm = 1 m
Therefore:
density = (2.7 g / cm^3) * (1 kg / 1000 g) * (100 cm /
m)^3
<span>density = 2700 kg / m^3</span>
