Mathematics, 26.02.2021 23:20 menakri53

Which expression is equivalent to|9q2 – (39 – 7) + 5q?? A 92 - 9-3
B 992 – 29-3
C 14q2 – 2q + **
D 1492 - 9-11

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:00

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Answers: 1

Answer

Mathematics, 21.06.2019 20:00

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Answers: 2

Answer

Mathematics, 21.06.2019 22:00

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Answers: 1

Answer

Mathematics, 21.06.2019 22:30

Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.

Answers: 1

Answer

You know the right answer?

Which expression is equivalent to|9q2 – (39 – 7) + 5q?? A 92 - 9-3
B 992 – 29-3
C 14q2...

Questions

Mathematics, 20.07.2021 20:40

Find the circumference and area of the circle below. Give the exact answer (use pi=t) and the approximations using the fact 3.14. 6 ft ns...