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2 years ago

Simplify your answer as much as possible solve the inequality for X

Mathematics

2 answers:

evablogger [386]2 years ago

4 0

Answer:

$3x > - 11 + 8 \\ 3x > - 3 \\ x > - 1$

satela [25.4K]2 years ago

4 0

Answer:

x > -1

Step-by-step explanation:

1. To get rid of the 8, you have to add 8 to both sides (because -8 + 8 cancels out). After that, we have 3x > -3 (because the 8 is cancelled out and -11 + 8 equals -3).

2. Now, we divide by 3 on both sides to cancel out the 3 that's attached to x. The 3 on the left cancels out and we're left with x and on the right, we get -1 because -3 ÷ 3 is -1.

Hope that made sense. Now that I look at it myself, it looks quite complicated but trust me it isn't ^-^

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Answer:

$pH = 13$ --- Oven Cleaner

$pH = 6.2$ --- Water

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Step-by-step explanation:

The given molar concentration are:[Missing from the question]

Oven Cleaner: [h+] = $10^{-13}$

Water: [h+] = $0.0000007$

Blood: [h+] = $0.00000004$

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Required

Determine the pH

pH is calculated using:

$pH = -\log(h+)$

So, we have:

Oven Cleaner:

$pH = -\log(10^{-13})$

Using a calculator, we have:

$pH = 13$

Water:

$pH = -\log(0.0000007)$

Using a calculator, we have:

$pH = -1*-6.2$

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Using a calculator, we have:

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Using a calculator, we have:

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Answer

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Step-by-step explanation:

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