The two numbers are (7+ sqrt(65))/2 and (7- sqrt(65))/2

(7+ sqrt(65))/2+ (7- sqrt(65))/2= 7
(7+ sqrt(65))/2* (7- sqrt(65))/2)= -4.

Hope this helps~

6 0

3 years ago

As part of a study on facility needs, the administrators of a university wanted to estimate the percent of students who use the

Temka [501]

Answer:

Population is 34000 students

Sample is 770 students

Step-by-step explanation:

Population :In statistics, a population is the entire pool from which a statistical sample is drawn.

Sample: A sample refers to a set of observations drawn from a population.

We are given that 34,000 students attended the university.

Out of which a random sample of 370 male students and 400 female students was selected

So, Total students selected = 370+400=770

So, Population is 34000 students

Sample is 770 students

So, Option C is true.

4 0

3 years ago

after losing eight yards on a play, the bears retain possession of the football on their 23-yard line. where was the ball before

loris [4]

X - 8 = 23
x = 23 + 8
x = 31 <== originally on their 31 yard line

6 0

3 years ago

Can you use the SAS Postulate, the AAS Theorem, or both to prove the triangles congruent?

nadezda [96]

AAS because there’s a vertical angle

3 0

3 years ago