Answer:
4 is the number.
Step-by-step explanation:
Take the missing number as x,
→ (x × 3) - 4 = (x × 2)
→ 3x - 4 = 2x
→ 3x = 2x + 4
→ 3x - 2x = 4
→ [ x = 4 ]
Hence, the number is 4.
Maybe 50 because if 5+5 pages is 40 minutes you would add another page which would be maybe 50 minutes
Answer:
Step-by-step explanation:
Given that a nutrition lab tested 40 hot dogs to see if their mean sodium content was less than the 325-mg upper limit set by regulations for "reduced sodium" franks
90% confidence interval is
(317.2, 326.8)mg.
Using confidence intervals,we can check whether null hypothesis is true.
Here

(left tailed test at 10% significance level)
We check whether confidence interval 90% contains the mean value.
We find 325 belongs to the confidence interval
Hence H0 is true
The hot dogs do not satisfy.
Https://www.khanacademy.org/math/basic-geo/basic-geo-volume-surface-area/basic-geo-volumes/v/volume-....
use V=TT r2 h/3