Celina is scuba diving in the ocean. After a 5 minute period she is 65.5 meters below sea level. If she travels at a constant rate, what was her position after 1 minute?

she was 13.1 meters below sea level in 1 minute

Step-by-step explanation:

make it into a fraction 5/65.5 (after 5 minutes, she is 65.5 meters underwater)

divide the numerator (representing the minutes) by 5 to get 1 minute

5÷5= 1

then divide the denominator (representing the meters below sea level) by 5 as well to get her position she is at after 1 minute

65.5÷5= 13.1

after dividing you should get 1/13.1 (after 1 minute, she is 13.1 meters underwater)

a) t'(-3, 6) and v'(0, 3)  

step-by-step explanation:

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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