Answer:
3b - b
Step-by-step explanation:
Let the number be "b"
So the expression would be:
3b - b
12 is the answer to the question
Answer:
Step-by-step explanation:
You can use the quadratic formula to determine if a quadratic equation has real or imaginary solutions. The quadratic formula is: . What really matters in this case is the discriminant, which is the stuff under the radical which is: . This is because the solutions are only imaginary, if the discriminant is negative, because then you would be taking the square root of a negative number. So let's look through each example:
; a=25, b=20, c-4: . By examining this one example, it's important to note, if you have one negative number as a or c, then it cancels out the negative sign in the -4, and it becomes positive. So let's look at examples where a or c doesn't equal a negative number OR both a and c equal negative, that way they cancel out and over -4ac is still negative.
; a=25, b=-10, c=4. In this case both a and c are positive so -4ac will remain negative. This gives you: . So this has a negative discriminant meaning it will have no real solution but rather imaginary solutions
Answer: https://www.mercerislandschools.org/cms/lib3/WA01001855/Centricity/Domain/1249/Geo%20Week%2023.pdf
Hope this helps!
QuezoMartiinez
Complete Question
Compute the critical value that corresponds to a 96% level of confidence.
Answer:
The value is
Step-by-step explanation:
From the question we are told that
The confidence level
Generally the level of significance is mathematically represented as
Now from the normal distribution table the critical value for is