3 years ago

5. Select All equations that have a solution of 2"

Mathematics

1 answer:

Pachacha [2.7K]3 years ago

6 0

Answer:

none of these have a solution of 2.

Step-by-step explanation:

4x+ 15 = 27

x=3

x + 6 =3

x = 3

2(x+5)=18

x = 4

x + 9 = 6

x = -3

if my understanding of what the equations are supposed to be please let me know what they are supposed to be, because with the way they are typed it is hard to tell :)

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The distance from city A to city B is approximately 2070 miles. A plane flying directly to city B passes over city A at noon. If

USPshnik [31]

Answer:

$f(t) = -400t+2070$

Step-by-step explanation:

According to the information of the problem the plane is traveling at a constant velocity therefore the function that models that gives the distance of the plane from city B at time t hours would be linear. Something like this.

$f(t) = mt+b$

The velocity is the slope of the line and if you take B as your reference you would be going backwards therefore we would say that $m = -400$ . And as I mentioned before if you take B as your reference your starting point would be 2070 miles away, therefore the function would be