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Savatey [412]
2 years ago
15

*IF ANSWER CORRECT THEN WILL BE MARK AS BRAINLIEST*

Mathematics
2 answers:
irina1246 [14]2 years ago
8 0

Answer:

1.5

Step-by-step explanation:

sergejj [24]2 years ago
7 0

Answer:

1.5

Step-by-step explanation:

The mean is 2.5

1-2.5=1.5

5-2.5=2.5                  This is the absolute distance from the mean  

3-2.5=0.5

1-2.5=1.5

1.5+2.5+0.5+1.5=6

6/4=1.5

Hope this helps!

If you need more help there are websites such as that have algebra calculators if you need more help!

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Elena L [17]

Answer:

37 1/3

Step-by-step explanation:

10 2/3 * 3.5=37 1/3

8 0
3 years ago
I need help with this
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It’s 60 degrees so the first one
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2 years ago
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I need help solving these problems
cestrela7 [59]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Real World Scenario:
iragen [17]

The distance of a train from the city depends on the speed, the time of

travel, and direction of motion of the train.

Correct responses:

  • Distance Train A is from the city: <u>750 - 75·t</u>
  • Distance Train B is from the city: 50·t
  • After <u>six</u> hours, the two trains are the same distance from the city
  • At that time both trains will be <u>300</u> miles away

1) From the time of departure of Train B to just before 6 hours after Train B's departure; 0 ≤ t < 6 hours

2) At time period, t > 6 hours

3) 250 miles

<h3>Method used to find the above response</h3>

Given:

The distance of train A from the city = 750 miles

Speed of train A = 75 mph

Time at which Train B leaves the city = When Train A is 750 miles from the city

Speed of Train B = 50 mph

Solution:

The equations are;

  • Distance of Train A from the city is; <u>x₁ = 750 - 75·t</u>
  • Distance of Train B from the city is <u>x₂ = 50·t</u>

When the train are the same distance from the city, we have;

750 - 75·t = 50·t

750 = 50·t + 75·t = 125·t

Therefore;

  • t = \mathbf{\dfrac{750}{125}} = 6

The time it takes the two trains to be the same distance from the city is 6 hours.

Which gives;

  • After <u>6</u> hours, the two trains are the same distance from the city.

The distance the trains will be after 6 hours is therefore;

750 - 75 × 6 = 300

The distance of the trains from the city after 6 hours = 300 miles

Therefore, we have;

  • At that time both trains will be <u>300</u> miles away

1) The time period Train A is further from the city is before the first 6 hours elapse; <u>0 hours ≤ t < 6 hours</u>

2) The Train B is further from the city after 6 hours of its departure from the city; <u>t > 6 hours</u>

3) The distance of Train A from the city after 4 hours is given as follows;

x₁ = 750 - 75 × 4 = 450

x₁ = 450 miles

The distance of Train B from the city after 4 hours is; x₂ = 50 × 4 = 200

x₂ = 200 miles

Therefore;

  • The distance between the trains after 4 hours = 450 miles - 200 miles = <u>250 miles</u>

Learn more about distance and time relationship equation here:

brainly.com/question/10804931

3 0
2 years ago
1*2*4+ 4*2*8 + 3*6*12.......+10*20*40 =?<br> a) 88020 b) 44000 c)24200 d)55150
pishuonlain [190]
C) 24200
I have done by brute force. But could you tell me the name of this theory please to study it? Thank you. 
3 0
3 years ago
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