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Math

Math Snap

PROBLEM

Find the time tt (in minutes) when the altitude a=3400t+600a=3400t+600 reaches 21,000 feet.

STEP 1

Assumptions1. The altitude aa (in feet) of a plane tt minutes after takeoff is given by a=3400t+600a=3400 t+600.
. We need to find the time tt when the altitude aa is21,000 feet.

STEP 2

First, we need to set up the equation to solve for tt. We know that the altitude is21,000 feet, so we can set aa equal to21,000 and solve for tt.
3400t+600=210003400 t +600 =21000

STEP 3

Subtract600 from both sides of the equation to isolate the term with tt.
3400t=210006003400 t =21000 -600

STEP 4

Calculate the right side of the equation.
3400t=204003400 t =20400

STEP 5

Now, divide both sides of the equation by3400 to solve for tt.
t=204003400t = \frac{20400}{3400}

SOLUTION

Calculate the value of tt.
t=204003400=6t = \frac{20400}{3400} =6The plane is at an altitude of21,000 feet6 minutes after takeoff.

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