Answer:
One serving of law-fat yogurt contains 7.35 g of fat.
Step-by-step explanation:
One serving of
- a certain brand of yogurt contains 12 g of fat
- the low-fat yogurt contains 38.75% less fat
Let x g be the amount of fat in low-fat yogurt. Then
12 g of fat - 100%
x g of fat - 100% - 38.75% = 61.26%
Write a proportion
Cross multuply
One serving of law-fat yogurt contains 7.35 g of fat.
Answer:
95% confidence interval: (0.325 ,0.383)
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 231
Sample mean = 0.354 ppm
Sample standard deviation = 0.231 ppm
95% confidence interval:
Putting the values, we get,
Let the number of rows be x
rows = x
seats in each row = x + 20
total seats = 1344
x (x + 20) = 1344
x^2 + 20x - 1344 = 0
(x + 48)(x - 28) = 0
x = -48 (rejected, answer cannot be negative) or x = 28
Therefore,
x = 28
x + 20 = 48
Check:
Row = 28
Numbers of seat per row = 28 + 20 = 48
28 x 48 = 1344 (Correct)
Ans:There are 48 seats per row
Answer:
a .8
b .03
c .125
d 125.0
Step-by-step explanation:
Answer:
Number of weeks in a year = 52 weeks
If in a normal year when each package of flea treatment lasts for 4 weeks, then in a year there Jim's dog will have to be treated for
Where as, when the fleas are bad in a year, the treatment lasts for only 3 weeks.
Then in a year Jim's dog would get
So Jim's dog will get 17- 13 =4 treatments more.
4 treatments that are made in 3 weeks each will be 4×3 =12 weeks more treatment