destineymonroe9153 destineymonroe9153
  • 09-04-2024
  • Mathematics
contestada

The mean of 4 observations is 20, when a constant 'c' is added to each observation, the mean becomes 22. The value of c is :
A. 6
B. − 2
C. 2
D. 4

Respuesta :

Otras preguntas

What is the indefinite integral of 6sin(3t) dt?
Shana sells t-shirts.  It costs Shana $6.50 to buy each t-shirt.  She also pays $150 each month to rent equipment to add print to the t-shirts. Shana sells eac
The principle of separate but equal was established by (A) Brown v. Board of Education (B) Wesbery v. Sanders (C) Plessy v. Ferguson (D) Regents of University o
At a cost of $2.50 per square yard, what would be the price of carpeting a rectangular floor, 18 ft x 24 ft?
Which of the following types of algae would be predominantly green in color? a. chlorophyta b. chrysophyta c. phaeophtya d. rhodophyta
Write an algebraic expression for 15 decreased by twice a number
A sound wave travels at 330 m/sec and has a wavelength of 2 meters. Calculate its frequency and period.
Which of the following best describes the 1920s? (A) Period of surface prosperity with underlying economic problems (B) Period of international and national pro
Write an algebraic expression for 15 decreased by twice a number
How do you factor 3x^2+7x-6=0 and solve?