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3 years ago

How do you do number 6

Mathematics

1 answer:

3241004551 [841]3 years ago

6 0

g(f(x)) = g(-5x+4) = 4(-5x+4) + 5 = 21-20x

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–q + 23 + 11n + 7j + 20 – 13r What are the coefficient in this expression

kobusy [5.1K]

Answer:

11,7,13

Step-by-step explanation:

coefficients come before the variable. so if it’s 13r, the variable is r. which makes the coefficient 13

4 0

3 years ago

I need help with the cross canceling

mihalych1998 [28]

Answer:58

Step-by-step explanation:

20×4 then 2×7 then add both answers u get 58

8 0

3 years ago

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Solve -25 = -3x + 2 4x - 2 = 18 3- 6x + 5 + 10x - 1

AlekseyPX

Answer:

Ok, so if the top line (-25 = -3x + 2) is separate and the second line is separate (4x - 2 = 18) then the answer is x = 9 and x = 5

Step-by-step explanation:

Can you please elaborate on what the equations are? I will still answer the question.

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3 years ago

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Logarithm 2. The alkalinity of a fluid (pH) can be modeled in terms of its hydrogen ion concentration (H^+,measured in moles/lit

makkiz [27]

ok. We are given the following equation:

$ph=-\log (H)$

Where:

$\begin{gathered} P=\text{ alkalinity} \\ H=\text{ hydrogen ion concentration} \end{gathered}$

Since we are asked to determine "H" we will solve for "H" in the equation. To do that we will first multiply both sides by -1:

$-ph=\log (H)$

Now, we will use the following property of logarithms:

$\log _aB=c\rightarrow B=a^c$

Applying the property and having into account that:

$\log (H)=\log _{10}(H)$

We get:

$10^{-pH}=H$

Now we substitute the given value of "pH = 4.5":

$10^{-4.5}=H$

Solving the operation:

$0.000032=H$

Therefore, the hydrogen ion concentration of the fluid is 0.000032

7 0

1 year ago

Answer both questions please

Anna11 [10]

1.) 37/8

2.) .56 X 80 = 44.8

Hope this helps

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3 years ago

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