2 years ago

Write the ordered pair that describes a point 12 units down from and 7 units to the right of the origin.

Mathematics

2 answers:

emmainna [20.7K]2 years ago

8 0

(-7,-12) s it both down and to the right of the origin

il63 [147K]2 years ago

6 0

7,-12. Its 7 units to the right (positive x values) and 12 units down (negative y values)

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The depth of a scuba diver can be modeled by the equation d 0.5t (3.5t- 28.25), where d is the depth in meters of the diver and

user100 [1]

We know that

using a graph tool
see the attached figure

The diver reaches the surface when d = 0
so
0.5t (3.5t- 28.25)=0---------> the solution is
0.5t=0--------> t=0
and
(3.5t- 28.25)=0----------> 3.5t=28.25--------> t=28.25/3.5--------> t=8.07 minutes


the time it takes for the diver to reach the surface is when the depth is zero
the time is 8 minutes

the answer is
8 minutes