Factorize the quadratic trinomial by the rule:
1. Find the roots:
2. Factorize the polynomial:
3. Only factor x-2 is given in options, then the correct choice is B.
David and Denise share n pears in the ratio 4:9. If n = 39 how many pears does David have?
1 answer:
You might be interested in
Answer:
The decision made by the researcher based on this information is to reject the null hypothesis.
Step-by-step explanation:
Two-tailed hypothesis test:
Critical value:
Test statistic: z
If , we do not reject the null hypothesis.
If , we reject the null hypothesis.
In this question:
Since , we reject the null hypothesis.
The decision made by the researcher based on this information is to reject the null hypothesis.