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Nezavi [6.7K]
3 years ago
15

Help!!!!!! red car travels 17 2/5 miles useing 0.75 of gas. please answer today

Mathematics
1 answer:
Nataliya [291]3 years ago
7 0

I think you just divide

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HELP DUE IN 15 MINS!
Stells [14]

Answer:

  • n = 18

Step-by-step explanation:

<u>Sum of interior angles of a polygon:</u>

  • (n - 2)180 = 160n
  • 180n - 360 = 160n
  • 20n = 360
  • n = 18

8 0
3 years ago
Thirty percent of a radioactive substance decays in four years.
wel

Answer:

The substance decays by 7.5% every year

Step-by-step explanation:

8 0
3 years ago
Whats would be the closest answer to this question
san4es73 [151]

Answer:

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8 0
3 years ago
A rectangular prism with a volume of 10 cubic units is filled with cubes with side lengths of 1/2
Katarina [22]
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7 0
3 years ago
Suppose you have 5 riders and 5 horses, and you want to pair them off so that every rider is assigned one horse (and no horse is
maw [93]

There are 120 ways in which 5  riders and 5 horses can be arranged.

We have,

5 riders and 5 horses,

Now,

We know that,

Now,

Using the arrangement formula of Permutation,

i.e.

The total number of ways ^nN_r = \frac{n!}{(n-r)!},

So,

For n = 5,

And,

r = 5

As we have,

n = r,

So,

Now,

Using the above-mentioned formula of arrangement,

i.e.

The total number of ways ^nN_r = \frac{n!}{(n-r)!},

Now,

Substituting values,

We get,

^5N_5 = \frac{5!}{(5-5)!}

We get,

The total number of ways of arrangement = 5! = 5 × 4 × 3 × 2 × 1 = 120,

So,

There are 120 ways to arrange horses for riders.

Hence we can say that there are 120 ways in which 5  riders and 5 horses can be arranged.

Learn more about arrangements here

brainly.com/question/15032503

#SPJ4

7 0
2 years ago
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