2/15 + 27/35 = 14+81 /105 = 95/105 = 19/21
so, your answer is 19/21
Answer:
? = 6
Step-by-step explanation:
We can set up a proportion to find the solution.
Therefore, 24 tea bags makes 6 quarts of iced tea.
Answer: 20/27
Step-by-step explanation:
multiply numerators and denominators
1/3 x 20/9 = 20/27
you can not simplify further
Answer:
x = +4√5, x = -4√5
Step-by-step explanation:
Given:
x² - 80
Find:
Zeroes
Computation:
x² - 80
x² - 80 = 0
x² = 80
x = √80
x = ±4√5
x = +4√5, x = -4√5
Answer:
Step-by-step explanation:
Let be the sample proportion.
As per given , we have
n= 411
Standard error : se=0.016
Critical value for 99% confidence :
Confidence interval for population proportion :-
Hence, the 99% confidence interval for the proportion of all US adults ages 55 to 64 to use online dating :