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slavikrds [6]
3 years ago
13

Use the ratio table to determine how many people 13 subs would serve. Explain look at the photo

Mathematics
2 answers:
ss7ja [257]3 years ago
8 0

Answer:

13 subs will serve 52 people.    

Step-by-step explanation:

We are given the following information in the question:

Number of subs:     3       5        8

 People served:      12     20     32

We have to find that how many people with be served by 13 subs.

We can solve this question with the help of ratio.

\text{Ratio} = \displaystyle\frac{\text{Number of subs}}{\text{People served}}\\\\= \frac{3}{12} = \frac{1}{4}

The obtained ratio is 1:4, which means that 1 sub can serve 4 peoples.

Let x be the number of people served by 13 subs:

\displaystyle\frac{1}{4} = \frac{13}{x}\\\\\Rightarrow x = \frac{13\times 4}{1} = 52

Hence, 13 subs will serve 52 people.

adoni [48]3 years ago
5 0
I think its 44. The amount of people increase by 12 every time you add more subs. Hope that helps!
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Problem 9, part a)

Compass bearings always have north as the starting point. This is where 0 degrees is situated, and 360 degrees as well. As the bearing angle increases, you'll turn to the right toward the eastward direction. Effectively you're sweeping out a clockwise rotation. The bearing 322 degrees is in a northwest position as the diagram shows (place the ship at the bottom right corner of the triangle). The bottom right acute angle of the triangle is 322 - 270 = 52 degrees. This is the reference angle we'll use for finding the distance d.

With respect to the reference angle of 52 degrees, the side 18.5 is the opposite side and d is the adjacent side. Use the tangent ratio to get...

tan(angle) = opposite/adjacent

tan(52) = 18.5/d

d*tan(52) = 18.5

d = 18.5/tan(52)

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The approximate value of d is 14.4537840903742 km

This rounds to 14.5 when rounding to one decimal place.

<h3>Answer: 14.5 km</h3>

=======================================================

Problem 9, part b)

Recall that

distance = rate*time

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We can solve this for the time to get

time = distance/rate

------

We found the distance back in part a) above. We are given the rate of 48 km/h

So,

time = distance/rate

time = 14.4537840903742/48

time = 0.3011205018828

This is the time it takes in hours. Multiply by 60 to convert to minutes

0.3011205018828 hours = 60*0.3011205018828 = 18.067230112968 minutes

This rounds to the whole number 18

<h3>Answer: 18 minutes</h3>
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