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BigorU [14]
3 years ago
13

I need help please ..

Mathematics
1 answer:
mafiozo [28]3 years ago
3 0
The answer is A hope this helped
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On a map, 1
chubhunter [2.5K]
You can write this as a proportion
inch over miles = inch over miles
1/14.5 = 4.5/x
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They are actually 65.25 miles apart.

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Write the equation - 3x + 2y = 7 in slope-intercept form.
VikaD [51]

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The answer is :

y =  \frac{3}{2} x +  \frac{7}{2}

Step-by-step explanation:

Given that the slope-intercept form is represented by y = mx + b. So you have to rearrange the equation :

- 3x + 2y = 7

2y = 3x + 7

y =  \frac{3}{2} x +  \frac{7}{2}

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Plz help answer if you know the answer
Elza [17]

Answer:

I think its 12 bc of the triangle inequality theorem

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A pool has two inlet pumps A and B. If pump A alone is open, it takes 12 hours to fill the pool with water. If pump B alone is o
Ket [755]

Answer:

The least amount of time (in hours) both pumps need to be open is 3 hours.

Step-by-step explanation:

According to the Question,

  • Given That, A pool has two inlet pumps A and B. If pump A alone is open, it takes 12 hours to fill the pool with water. If pump B alone is open, it takes 18 hours to fill the pool with water.

Let the Capacity of the Pool is 36Litre.

  • Thus, If pump A alone is open, it takes 12 hours to fill the pool with water. thus the Efficiency of Pipe A is 3 ltr/hour.
  • And, If pump B alone is open, it takes 18 hours to fill the pool with water. thus the Efficiency of Pipe B is 2 ltr/hour.

If the pool needs to be filled in 10 hours the least amount of time (in hours) both pumps need to be open is 3 hours.

Note:- if 3 hour both pipe open so 3 x (5) = 15 ltr Pool is Filled.

Now For Remaining 7 hour Pipe A with Efficiency 3 ltr/hour is open alone to fill the pool Remaining 7 x 3 = 21 ltr . Total 21+15 = 36ltr .

3 0
2 years ago
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