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Kay [80]
3 years ago
13

NEED HELP ASAP PLS !!!It is stated that two quantities vary inversely if one changes by the inverse ratio of the second. So, wha

t happens to the second quantity y if the first quantity x doubles or triples?
Mathematics
1 answer:
viktelen [127]3 years ago
7 0

Answer:

If the first quantity doubles, the second is divided by two. If the first quantity triples, the second is divided by 3.

Step-by-step explanation:

It’s the second sentence in the online content site they gave.

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MA_775_DIABLO [31]

Answer:

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4 0
2 years ago
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2. The alkalinity of a fluid (pH) can be modeled in terms of its hydrogen ion concentration (H+, measured in moles/liter) of the
nataly862011 [7]

Given the equation:

pH=-log\mleft(H^+\mright)

You know that a lab technician finds that a sample of fluid has this pH:

pH=4.5

Then, in order to find the hydrogen ion concentration of the fluid, you need to follow these steps:

1. Substitute the pH given in the exercise into the equation:

4.5=-log(H^+)

Multiply both sides by -1:

-4.5=\log (H^+)

2. Solve for:

H^+

Remember that, by definition:

\log _b\mleft(c\mright)=a\Rightarrow b^a=c

In this case, you can identify that:

\begin{gathered} a=-4.5 \\ b=10 \\ c=H^+ \end{gathered}

Hence, substituting values and simplifying, you get:

\begin{gathered} b^a=c \\ 10^{-4.5}=H^+ \\ H^+=0.00003162278\text{ }\frac{moles}{liter} \end{gathered}

Therefore, the answer is:

H^+=0.00003162278\text{ }\frac{moles}{liter}

4 0
1 year ago
PLS HELP!!
nadezda [96]

Answer:

Step-by-step explanation:

a = number of successful events

b = total number of events.

4 0
2 years ago
Hey y'all you mind helping me with this geometry problem, I appreciate it very much!!
erica [24]

4x = 3x + 10

x = 10

4(10) = 40

3(10) + 10 = 40


5 0
2 years ago
Kevin received 20 text messages on his phone and 12 were from his mother. What
GalinKa [24]
40% were NOT from his mother, I think.
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3 years ago
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