Mathematics
Mathematics, 22.04.2021 08:10, ashtonsilvers2003

What are the zeros of f(x) = x2 + x - 20? O A. x = -4 and x = 5
B. X= -5 and x = 4
O c. x= -2 and x = 10
O D. x= -10 and x = 2

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:40, kiingbr335yoqzaxs
Given abcd ac=38 and ae=3x+4 find the value of x
Answers: 2
image
Mathematics, 21.06.2019 18:30, ekayla163
Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)
Answers: 2
image
Mathematics, 22.06.2019 00:00, Queenashley3232
Which scenarios are most effectively explored by conducting an experiment? there is more than one correct answer. select all that apply. researchers want to study the effectiveness of a particular drug for treating migraines. they want to know which dosage of the drug yields the best results with the least side effects. to ensure fair results, the researchers want to ensure that participants and dosage administrators do not know which dosage participants receive. a teacher wants to plan a class fieldtrip and quickly determine where students prefer to go for the class fieldtrip. a car mechanic wants to know which of two engine brands makes better-performing engines. he wants to test the engines in identical situations and rate their performance in a way that can be fairly measured. a chemist studies the properties of a metal compound. she wants to know how the sample size of the metal affects its ability to conduct electricity. she wants to conduct the research in a controlled environment to minimize bias. a realty company wants to know the average income of its clients. the company wants to gather data income from current clients.
Answers: 2
image
Mathematics, 22.06.2019 02:20, officialrogerfp3gf2s
Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test
Answers: 2
Do you know the correct answer?
What are the zeros of f(x) = x2 + x - 20? O A. x = -4 and x = 5
B. X= -5 and x = 4
O c...

Questions in other subjects: