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DochEvi [55]
3 years ago
8

a boat travels 252 miles in 13 hours (with a constant speed) How much time will it take traveling 279 miles?

Mathematics
1 answer:
Ilya [14]3 years ago
4 0

Answer: 14.4 h

The speed is : v=\frac{d}{t} =\frac{252}{13} =19.46 miles/h\\

The time it takes to travel 279 miles :

t'=\frac{d}{v} =\frac{279}{19.46} =14.4 hours

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A bus has velocity 20 m/s towards east and another bus has velocity 15 m/s in west direction. If they start to move from a point
Mashutka [201]

Answer:

<em>The first bus has covered 2,400 m and the second bus has covered 1,800 m. They are separated by 4,200 m</em>

Step-by-step explanation:

<u>Constant Velocity Motion</u>

A bun has a velocity of 20 m/s towards the east. It means it travels 20 meters each second in that direction. Assuming the east direction is positive, the distance traveled by this bus can be calculated as follows:

X1=20*t

Where t is the time in seconds.

Similarly, the distance traveled by the second bus towards the west is:

X2=-15*t

Note the negative sign because the direction points at the negative reference.

After 2 minutes = 120 seconds have passed, the distance of each bus is

X1= 20*120=2,400 m

X2=-15*120 = 1,800 m

They are separated by 2,400-(-1,800) = 4,200 m

The first bus has covered 2,400 m and the second bus has covered 1,800 m. They are separated by 4,200 m

6 0
3 years ago
Which of the following equations could represebt the point in the table select all the following
r-ruslan [8.4K]

Answer:

what are the equations

Step-by-step explanation:

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6 0
3 years ago
can someone help me!! Use algebraic rules of equations to predict the solution type to the system of equations. Include all of y
xz_007 [3.2K]

Answer:

x + y = 4 Equation 1

y = 2x -1 Equation 2

-2x + y = -1

x + y = 4

Subtract

You will get

- 3x = -5

Divide by -3

-3x / -3 = - 5 /-3

x = 5/3

Substitute x into equation 1

x + y = 4

x = 5/3

5/3 + y = 4

y = 4 - 5/3

y = 7/3

x = 5/3 y = 7/3

Hope this helps.

4 0
3 years ago
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kati45 [8]

Answer: The answer is C = -P + R

3 0
1 year ago
Read 2 more answers
Find the value of x please help
____ [38]

using angle sum property

we get

110+35+(x+12)=180

(x+12)=180-145

(x+12)= 35

x= 35-12

x= 23

3 0
2 years ago
Read 2 more answers
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