Answer:
18.75
Step-by-step explanation:
got this from calculator so might be wrong
u add 25 percent to 15
Answer:
10x +6y - 14
Step-by-step explanation:
3x - 2y = 13x + 4y = 14
3x = 13x + 6y = 14
-10x = 6y = 14
10x + 6y - 14
Answer:
10
Step-by-step explanation:
do prime factorizations of each number and multiply the common factors
20 = 2 · 2 · 5
30 = 2 · 3 · 5
common factors are 2 and 5
multiply them to get 10
Answer:
Thank U
Step-by-step explanation:
Answer:
246
Step-by-step explanation:
In the statment is defined our Values.
First que have a 95% Confidence interval
That is exactly in a Standar normal distribution table equal to Z Score = 1.96
The proportion
= 0.20
And we can and Margin Error (ME) equal to 0.05
Using the formula for the Sample Size (N) through Proportion we have,


or 246