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nata0808 [166]
3 years ago
15

If it takes the Whovenile Delinquents 32 minutes to hike up Mount Crumpit(3000ft), but only 3 minutes to get down, what is the s

peed difference from traveling up the mountain to down in miles/hour?
Mathematics
1 answer:
Tema [17]3 years ago
3 0

Answer:

Difference in speed = 10.28 miles/hour

Step-by-step explanation:

Whovenile Delinquents takes 32 minutes to hike up a mountain and 3 minutes to hike down a mountain.

Distance hiked = 3000 feet

We have to find the speed difference of climbing in both the journeys in miles/hour.

Conversions :

  • 1 mile = 5280 feet

therefore 3000 feet = 0.57 miles

  • 1 hour = 60 minutes

32 minutes = 0.53 hours

3 minutes = 0.05 hours

Speed = \frac{distance travelled}{time}

Speed uphill = \frac{0.57}{0.53}

Speed uphill = 1.08 miles/hour

Speed downhill = \frac{0.57 miles}{0.05}

Speed downhill = 11.36 miles/hour

Difference in speed = 10.28 miles/hour

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Alexandra [31]

First, let's turn all the numbers into improper fractions so that we can find the answer easier.

-2 \frac{1}{4} = r - \frac{4}{5}

-\frac{9}{4} = r - \frac{4}{5}

Now we have to isolate 'r'.

First, we have to make sure that the variable is on one side and all the numbers are on the other side.

To do this, we have to add \frac{4}{5} to both sides.

In order to do this, we need to ensure that both fractions have a common denominator.

-\frac{9}{4} = r - \frac{4}{5}

Ensure that the denominators are the same:

\frac{45}{20} = r - \frac{16}{20}

\frac{45}{20} + \frac{16}{20} = r

\frac{61}{20} = r

Good luck!

6 0
3 years ago
Which system of equations can be graphed to find the solution(s) to -3X=7
insens350 [35]

Answer:

X=-7/3

Step-by-step explanation:

hope this helps

8 0
3 years ago
Match the concept with its definition and characteristics. i. A set of instructions (codes) that perform a specific task. ii. A
kogti [31]

First definition matches with expression, second matches with equation ,third matches with algorithm and fourth matches with equation.

Given  four definitions of equation, expression, algorithm but mixed.

We have to match the definitions with appropriate term.

We know that expression is a combination of numbers, symbols, fraction, coefficients, indeterminants mostly not found in equal to form. It exhibits a behaviour only.

Algorithm is a computer programming to do a specific task in a predetermined way.

Equation is a relationship between two variables expressed in equal to form. In this we have to put the value of variables and the equation gives us a value.

Hence  First definition matches with expression, second matches with equation ,third matches with algorithm and fourth matches with equation.

Learn more about algorithm at brainly.com/question/13800096

#SPJ4

7 0
1 year ago
A rectangle has a length of 4 feet and a perimeter of 16 feet. What is the perimeter of a similar rectangle with a length of 9 f
kompoz [17]
The answer is 42 feet I use substitution and subtract by 8
7 0
3 years ago
CORRECT ANSWER WITH A GOOD EXPLANATION WILL GET BRAINLIEST + 15 POINTS ASAP
arsen [322]

Answer:

666.6667 feet²

Step-by-step explanation:

So.

Since the scale is 1 : 20, we can do 4 x 20 and 5 x 20, Which is 80 and 100.

Find area: 80 x 100 = 8000 we can just add 2 zeros to 80 since it's multiplying by 100.

So it's 8000in²

Then we do 8000 in to feet.

Which is ≈ 666.6667feet

btw it asked for feet so we give them FEET

8 0
2 years ago
Read 2 more answers
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