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3 years ago

Susie bought 14 dolls this week. Last week she had 28 dolls. Which of the

Mathematics

1 answer:

tankabanditka [31]3 years ago

3 0

Answer:

B. 28 + 14 = x

Step-by-step explanation:

Susie bought 14 dolls this week. Last week she had 28 dolls. determine how many dolls Susie has now.

using this info we know that we must find the sum of both numbers.

Hence, Answer B has the correct equation

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Answer:

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perimeter = 40

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3 years ago

Whats the answer to 30 less than 10

Deffense [45]

We are looking for a new number which is 30 less than 10. We will get the new number by subtracting 30 from 10. We write it down as: 10-30=-20

And finally the solution for: What number is 30 less than 10? is -20

Hope this helps!!

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3 years ago

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bixtya [17]

Answer:

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Step-by-step explanation:

$\lim_{x \to a} \frac{a-x}{\sqrt{x} -\sqrt{a} } \\ =-\lim_{x \to a} \frac{x-a}{\sqrt{x} -\sqrt{a} } \\=-\lim_{x \to a} \frac{(\sqrt{x} -\sqrt{a})(\sqrt{x} +\sqrt{a})}{\sqrt{x} -\sqrt{a} } \\=- \lim_{x \to a} \sqrt{x} +\sqrt{a}\\=-2\sqrt{a}$

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