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guapka [62]
3 years ago
11

What is the GMH?help and help fast plz

Mathematics
1 answer:
GalinKa [24]3 years ago
5 0

The picture shows that angle GMK is a right angle which is equal to 90 degrees.

Angle GMH is equal to 90 degrees minus HMK which is 50 degrees.


GMH = 90 - 50 = 40 degrees.


The answer is A.

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1 point) A tank contains 2200 L of pure water. Solution that contains 0.06 kg of sugar per liter enters the tank at the rate 5 L
masya89 [10]

Answer:

Question not complete,

So i will analyse the possible problem

Step-by-step explanation:

A tank contain 2200L

Volume V = 2200L

Solution of 0.06kg/L of sugar

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Let y(t) be the amount of sugar in tank at any time.

But at the beginning there was no sugar in the tank

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The rate of amount of sugar at anytime t is

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Now,

Then rate of input is

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Now then,

dy/dt=input rate -output rate

dy/dt=0.3-y/440

Cross multiply through by 400

400dy/dt=120-y

Using variable separation

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∫400/(120-y) dy = ∫dt

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C/400 is another constant, let say B

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120-y(t)=exp(-t/400)exp(B)

exp(B) is a constant let say C

-y(t)=Cexp(-t/400)-120

y(t)=120-Cexp(t/400)

Now, the initial condition

a. At the start the mass of sugar in the water is 0 because it is just pure water at start.

Therefore y(0)=0,

b. Applying this to y(t)

y(t)=120-Cexp(-t/400)

y=0, t=0

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0=120-C

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Therefore,

y(t)=120 - 120exp(-t/400)

Let know the mass rate as t tends to infinity

At infinity

exp(-∞)=1/exp(∞)=1/∞=0

Then,

The exponential aspect tend to 0

Then, y(t)=120 as t tend to ∞

3 0
3 years ago
Is this correct?
Brrunno [24]
Yes this is correct
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Answer:

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saveliy_v [14]
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Simplify 3(x+2)-9x+5
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It would be...
-6x+11
6 0
3 years ago
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