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2 years ago

Como resolver logaritmos avanzados

Mathematics

1 answer:

Firlakuza [10]2 years ago

5 0

Answer:

could u put this in english

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(1 point) A tank contains 2640 L of pure water. A solution that contains 0.09 kg of sugar per liter enters the tank at the rate

OverLord2011 [107]

Answer:

t=0 Sugar = 0 Kg

t=1min Sugar=0.27 Kg

Step-by-step explanation:

Data

Tank = 2640 L (pure water)

Sol=0.09kg Sugar per liter

Vin = Vout = 3L/min

Sugar in the beginning = ?

if beginning is t = 0min Amount of sugar = 0, this is due to the fact that at the moment of entering the tank the content is only water , but if beginning is t= 1min then;

$\frac{3L}{min}*\frac{0.09Kg}{L}=0.27kg/min$

7 0

2 years ago

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Im having some trouble with this and have no idea

AlladinOne [14]

Answer:

Step-by-step explanation:

x+10=0

x=-10

so vertex is (-10,-105)

7 0

2 years ago

It takes an older pump twice as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps

mario62 [17]

It takes the new pump 2.5 hour's. 5 ÷ 2 = 2.5

4 0

2 years ago

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Simplify the expression. Write your answer as a complex number.

prohojiy [21]

Answer:

$15-8i$

Step-by-step explanation:

we know that

The algebraic expression is equal to

$5\sqrt{9}-\sqrt{-64}}$

Remember that

$\sqrt{9}=3$

and

$i=\sqrt{-1}$

$\sqrt{-64}=i\sqrt{64}=8i$

substitute

$5\sqrt{9}-\sqrt{-64}}=5(3)-(8i)=15-8i$

4 0

2 years ago

Prove that if a is equivalent to 5 mod (8) and b is equivalent to 3 mod (8), then 8 divides ab+1

olga nikolaevna [1]

Answer:

Explanation contains the proof.

Step-by-step explanation:

$a \equiv 5 (mod 8) \text{ means there is integer } k \text{ such that } a-5=8k$ .

$b \eqiv 3 (mod 8) \text{ means there is integer } m \text{ such that } b-3=8m$ .

We want to show that $8 \text{ divides } ab+1$ . So we are asked to show that there exist integer $n \text{ such that } 8n=ab+1 \text{ or 8n-1=ab$

So what is $ab$ ?

$a-5=8k \text{ gives us } a=8k+5$ .

$b-5=8m \text{ gives us } b=8m+5$ .

So back to $ab$ ....

$ab$

$=(8k+5)(8m+5)$

$=64km+40k+40m+25$ (I use foil to get this)

Factoring out 8 gives us:

$=8(8km+5k+5m)+25$

Now I could have factored some 8's out of 25. There are actually three 8's in 25 with a remainder of 1.

$=8(8km+5k+5m+3)+1$

We have shown that there is integer $n \text{ such that } ab=8n-1$ .

The integer I found that is n is 8km+5k+5m+3.

Therefore $8|(ab+1)$ .

5 0

2 years ago

Read 2 more answers

Como resolver logaritmos avanzados​

Como resolver logaritmos avanzados