3 years ago

PLSSS HELP QUESTION ON PICTURES

Mathematics

1 answer:

Elden [556K]3 years ago

4 0

Answer:

bRbRbRbRbRbRbRbRbRbRbRbRbRbRbR

Step-by-step explanation:

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Amy's banana bread recipe calls for 3/4 cup of brown sugar. She only has a 1/8 cup measure. Which equivalent fraction shows the

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You convert 3/4 into 8ths and that would be 6/8. so you do 1/8+5/8=6/8 so 5/8 is your answers.

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-3

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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

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Check the picture below.

make sure your calculator is in Degree mode.

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