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erma4kov [3.2K]
3 years ago
15

Jennie rides her bike 12 miles per hour on a trail in the park. The trail is 18 miles long. The function, f, can be used to dete

rmine the number of miles biked after t hours. What is the domain and range?
Mathematics
1 answer:
defon3 years ago
3 0

Answer:

  • domain: [0, 1.5]
  • range: [0, 18]

Step-by-step explanation:

Jennie will complete her ride after 1.5 hours, so the function has no utility except for time values between 0 and 1.5 hours.

The domain is the interval [0, 1.5] (hours).

__

The range of the function is the set of possible distances along the trail, so will be values between (and including) 0 and 18 miles.

The range is the interval [0, 18] (miles).

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2 years ago
The teacher passed out math books.The length is 10 inches and the width is 8 inches.What is the perimeter of each book?
miv72 [106K]

Answer:  The perimeter of each book is:  " 36 in. " .

__________________________________________________

Step-by-step explanation:

__________________________________________________

Note that the given units are all in "inches (in.)" .

Use the formula for the "perimeter of a rectangle" ;

{which happens to work for a "square" as well;

          since a "square" is a rectangle.}.

__________________________________________________

This is based on the assumption that the book is shaped like a

"rectangle"  (or "square" —which is a rectangle).

__________________________________________________

The formula for the Perimeter of a rectangle is:

  P = 2 L  + 2 w  ;

in which:

P =  the perimeter of the rectangle;

for which we shall solve;   [in "inches (in.)" ] ;

L =  the length of the rectangle = 10 in. (given) ;

w = the width of the rectangle = 8 in. (given) .

___________________________________________________

Now, plug the given values for the "length (L)" and the "width (w)" ;

 as follows:

___________________________________________________

    P = (2 * 10 in.)  +  (2 * 8 in.)  ;

    P = (20 in.)  +  (16 in.)  ;

   P = 36 in.

___________________________________________________

Answer:  The perimeter of each book is:  " 36 in. " .

___________________________________________________

Hope this helps!

    Best wishes in your academic pursuits

            — and within the "Brainly" community!

___________________________________________________

3 0
3 years ago
5 people are trying to sit on a long bench of length 30.52\text{ m}30.52 m30, point, 52, start text, space, m, end text. Find th
shusha [124]

Answer:

6.104 m

Step-by-step explanation:

The length of the bench is 30.52 m.

5 people want to sit down on the bench.

We assume they are seated with equal spacing between themselves.

The length occupied by each person will therefore be:

30.52 / 5 = 6.104 m

7 0
3 years ago
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