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slega [8]
3 years ago
7

Kevin hiked up lambs Canyon and two hours and then ran back down in one hour has been running downhill was 2.8 mph greater than

his speed hiking uphill how far of the canyon did he hike
Mathematics
1 answer:
coldgirl [10]3 years ago
8 0

Answer: he hiked 5.6 miles up the canyon.

Step-by-step explanation:

Let x represent his speed hiking uphill.

His speed running downhill was 2.8 mph greater than his speed hiking uphill. This means that his speed running downhill would be x + 2.8

Distance = speed × time

Kevin hiked up Lamb’s Canyon in 2 hours. This means that the distance covered by hiking uphill is 2 × x = 2x

He ran back downhill in 1 hour. This means that the distance covered by running downhill is 1 × (x + 2.8) =

x + 2.8

Since the distance uphill is the same as the distance downhill, then

2x = x + 2.8

2x - x = 2.8

x = 2.8

Therefore, the distance hiked up the canyon is

2x = 2 × 2.8 = 5.6 miles

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navik [9.2K]

The right answer is: x + x + 2 + 9 = 29

Step-by-step explanation:

According to given statement,

Side 1: 9 units

Side 2: x units

Side 3: x+2 units

The perimeter of a triangle is given by

Side1+Side2+Side3=P\\

Putting the values we get

(9) + (x) + (x+2) = 29\\9+x+x+2=29\\x+x+2+9=29

Hence,

The right answer is: x + x + 2 + 9 = 29

Keywords: Perimeter, triangle

Learn more about perimeter at:

  • brainly.com/question/9369548
  • brainly.com/question/9328925

#LearnwithBrainly

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The figure shows the boundary junction temperatures (in degrees Fahrenheit) of a thin metal plate. The temperature T at any inte
kramer

Answer:

The figure shows the boundary junction temperatures (in degrees Fahrenheit) of a thin metal plate. The temperature T at any interior junction can be approximated by the mean of the temperatures at each of the four surrounding junctions. Approximate T1, T2, T3 and T4 to the nearest tenth decimal place. 55° 55° T2 27° 27 T TA 27° 27° 3° 3°

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garri49 [273]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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