Mathematics: 13.6% complete This is a Single Choice Question; skip ahead to question content A B C D E Confirm Difficulty Level: Moderate Some students are going to Dallas on a school trip. The distance from their school to Dallas is 200 miles. The driver of the van carrying the students is told to allow 1 hour more than the time it would take to travel the 200 miles at 60 mph. About how much time should the driver allow for this trip to Dallas?

13.6% complete This is a Single Choice Question;

Ответ:

iamabouttofail

18.01.2022

Mathematics

Answer

about 4 hours and 20 minutes

Step-by-step explanation:

200 divided by 60 is 3.33 or 3 hours and 20 minutes, plus the extra hour

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Ответ:

mel2001love

03.02.2020

Mathematics

Step-by-step explanation:

dy/dt=(y+1)(2√t)

separate the variables and integrating

$\int \frac{dy}{y+1} =\int\ {2\sqrt{t} } \, dt \\log(y+1)=2\frac{t^{\frac{3}{2} } }{\frac{3}{2} } +c\\y+1=e^{\frac{4}{3}t^{\frac{3}{2}+c } } =Ce^{t^{\frac{3}{2} }} \\y=Ce^{t^{\frac{3}{2} } } -1$

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