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2 years ago

Which of the following is a radical equation?a.x√3=13 b.x+√3=13c.√x+3=13 d.x+3=√13

Mathematics

2 answers:

Citrus2011 [14]2 years ago

6 0

Answer:

this one: √x+3=13

weqwewe [10]2 years ago

3 0

Answer:

C. √x + 3 = 13

Step-by-step explanation:

$.$

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Black_prince [1.1K]

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2 years ago

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Please help me with 2b ASAP. Really appreciate it!!

Bogdan [553]

$f(x)=\dfrac{x^2}{x^2+k^2}$

By definition of the derivative,

$f'(x)=\displaystyle\lim_{h\to0}\frac{\frac{(x+h)^2}{(x+h)^2+k^2}-\frac{x^2}{x^2+k^2}}h$

$f'(x)=\displaystyle\lim_{h\to0}\frac{(x+h)^2(x^2+k^2)-x^2((x+h)^2+k^2)}{h(x^2+k^2)((x+h)^2+k^2)}$

$f'(x)=\dfrac{k^2}{x^2+k^2}\displaystyle\lim_{h\to0}\frac{(x+h)^2-x^2}{h((x+h)^2+k^2)}$

$f'(x)=\dfrac{k^2}{x^2+k^2}\displaystyle\lim_{h\to0}\frac{2xh+h^2}{h((x+h)^2+k^2)}$

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$\dfrac{k^2}{(x^2+k^2)^2}$ is positive for all values of $x$ and $k$ . As pointed out, $x\ge0$ , so $f'(x)\ge0$ for all $x\ge0$ . This means the proportion of occupied binding sites is an increasing function of the concentration of oxygen, meaning the presence of more oxygen is consistent with greater availability of binding sites. (The question says as much in the second sentence.)

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2 years ago

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3 years ago

Divide 36 books into two groups so the ratio is 5 to 7. (Use the double number line strategy)

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A ratio of 5:7 means out of 12 books, 5 are in one category and 7 are in another. (The “category” isn’t specified in this problem.)

So here we’re STARTING with 36 books; we want to find a ratio that is equal to 5:7 and adds up to 36. Well 36 = 3(12), and so if we multiply each number in the ratio by 3 as well, we might get what we want. Doing that gives us 15:21, which adds up to 36 and is equal to 5:7. Boom, that’s the answer.

P.S. Here’s a question you can think about: why do ratios stay the same when you multiply each number by the same amount? (For example, why is 3:1 the same as 6:2?)

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2 years ago

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damaskus [11]

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Step-by-step explanation:Im sorry I can't answer this because you didn't give me the finished number

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3 years ago

Which of the following is a radical equation?a.x√3=13 b.x+√3=13c.√x+3=13 d.x+3=√13​

Which of the following is a radical equation?a.x√3=13 b.x+√3=13c.√x+3=13 d.x+3=√13