A scuba diver standing on a boat is at an altitude of 1.3 meters above sea level. The
scuba diver jumps into the water and decreases his altitude by 5.6 meters in one
minute.
Disple
Which equation can be used to determine the scuba diver's altitude, in meters
relative to sea level, one minute after jumping into the water?
O
A.
1.3 + 5.6
= 6.9
B.
-1.3 + 5.6
= 4.3
>
O
C. 1.3+(-5.6) = – 4.3
>
O
D. -1.3+(-5.6) = -6.9

Respuesta :

Answer:

C

Step-by-step explanation:

The Scuba Diver starts at 1.3 altitude and -5.6 is added to the altitude each minute as he goes down, thus the equation is:

1.3 - 5.6 = - 4.3

which is the same as C

The scuba driver height is given by the equation y = -5x + 1.3

Linear equation

Linear equation is in the form:

y = mx + b

where y,x are variables, m is the rate of change and b is the initial value of y.

Let y represent the height of the scuba driver after x minutes.

From the question, b = 1.3, m = -5.6(decrease in altitude),hence:

y = -5x + 1.3

The scuba driver height is given by the equation y = -5x + 1.3

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