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anygoal [31]
3 years ago
15

N − 14 =m Solve for n Im not sure how..

Mathematics
1 answer:
lord [1]3 years ago
3 0

Answer:

n = m + 14

Step-by-step explanation:

To "solve for n," we take steps to isolate n on the left side of this equation and everything else on the right side.

Start by adding 14 to both sides.  The result is n = m + 14.

This is the desired result:  n = m + 14.


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A tank contains 60 kg of salt and 1000 L of water. Pure water enters a tank at the rate 6 L/min. The solution is mixed and drain
andrey2020 [161]

Answer:

dy/dt = 7y / (t − 1000)

Step-by-step explanation:

Change in mass of salt = mass of salt going in − mass of salt going out

dy/dt = 0 − (C kg/L × 7 L/min)

where C is the concentration of salt in the tank.

The concentration is mass divided by volume:

C = y / V

The volume in the tank as a function of time is:

V = 1000 + 6t − 7t

V = 1000 − t

Therefore:

C = y / (1000 − t)

Substituting:

dy/dt = -7y / (1000 − t)

dy/dt = 7y / (t − 1000)

If we wanted, we could separate the variables and integrate.  But the problem only asks that we find the differential equation, so here's the answer.

6 0
3 years ago
6) A cone has a slant height of 50 inches and a diameter of 60 inches. What is the volume of the cone?
xxMikexx [17]

Answer:

188000

Step-by-step explanation:

V≈1.88×10^{5}

8 0
3 years ago
Read 2 more answers
I cannot figure this question out
uysha [10]

Answer:

1/12

Step-by-step explanation:

you need to make sure that they have a common denominator before doing anything.

Find the lowest common multiple (lcm), which would be 12 (3 x 4 = 12)

So then, put 12 as both denominators, and subtract.

7/12 - 9/12 is equal to 28/12 - 27/12, because 3 miltiplied by 4 equals 12, therefore you mutiply the 7 by the 4, and 4 miltiplied by 3 equals 12, therefore you multiply the 9 by the 3.


Sorry if this is confusing, i tried explaining as best i could! Hope this helped!

5 0
4 years ago
Will giver brainliest if right
Kazeer [188]

Answer

6x + 3 = 180°

6x = 177°

x = 29.5°

7 0
3 years ago
A person has a weekly salary of x and gets a raise of 32% which is worth 50$ what is the weekly salary?
GuDViN [60]

Answer:

$156.25

Step-by-step explanation:

A good strategy in my opinion is the "finders" strategy

  50$  =  32%

   x      =  100%

First Multiply 100 by 50

100 x 50 = 5,000

Then Divide 5,000 with 32

5,000/32 = $156.25

If you want to check, then...

156.25 x 32 = 5,000

<em />

<em>x = $156.25</em>

Hope this helps!

-Greg

6 0
3 years ago
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