How do you do this problem?i
1 answer:
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Answer:
The fourth option.
Step-by-step explanation:
In the given equation x^2 + 4x + 9 = 0, a=1, b=4, and c=9. The quadratic formula is in the attachment below so if you plug in a, b, and c you get the fourth option.
Answer:
The standard error of the proportion is 0.112.
Step-by-step explanation:
The standard error of a proportion is given by the following formula:
In which p is the probability of a success and n is the length of the sample.
In this problem
A success is a student defining themselves regular dietary supplement users. Our of 3000 students, 1500 do. So .
We take a sample of 20 of them, so .
So
Answer:
12,167 ft^3
Step-by-step explanation:
To find the volume of something, you simply multiply the length times width times height. The equation looks like this;
A cube has equal measures of all sides-
23*23*23=12167
or
Hope this helps:) Have a good rest of your day!