Select the correct answer from each drop-down menu. desiree is given an aptitude test with 50 multiple-choice questions. for every correct answer, desiree will get 3 points. for every wrong answer, 1 point will be deducted. for every question unanswered, 0.5 point is deducted. desiree did not leave any question unanswered and gets 110 points on the test. if x is the number of questions desiree answered correctly, then the equation that represents the given situation is and the equation will have .

Desiree answered 40 questions correctly

Step-by-step explanation:

Let

x =  number of questions answered correctly

y = number of questions unanswered

z = number of wrong answers unanswered

The system of equations can be expressed

x + y + z = 50

3*x  - 0.5*y -1*z = 110

Desiree did not leave any question unanswered

This means that the equations become

y = 0

x + z = 50

3*x -z = 110

If we add them together, we get

4x = 160

x = 40

z = 10

She answered 40 questions correctly

b. -7,185,024p6q5

step-by-step explanation:

find the 6th term of the expansion of (2p - 3q)11. a. -7,185,024p4q7 c. -7,185p4q7 b. -7,185,024p6q5 d. -7,185p6q5 select the best answer from the choices provided a b c d

step-by-step explanation:

x^2 -12x + 36 + y^2 = 36

x^2 + y^2 = 12x

r^2 = 12rcos(theta)

r = 12 cos(theta)