Find x Answer choices 9 15 12 10.8

Mathematics

2 answers:

BaLLatris [955]3 years ago

5 0

12 because if you multiply them with 12 you will get 180 which is a triangle.

eduard3 years ago

3 0

4. I think the answer is four.

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Sum of all natural numbers from100to300 which are divisible by 4and 5 is

My name is Ann [436]

If $x$ is a number that is both divisible by 4 and 5, then

$\begin{cases}x\equiv0\pmod4\\x\equiv0\pmod5\end{cases}$

4 and 5 are coprime, so we can use the Chinese remainder theorem to solve this system and find that $x=20n$ is a solution to the system, where $n$ is any integer. Simply put, any multiple of 20 fits the bill.

Now, there are 11 numbers between 100 and 300 that are divisible by 20 (100, 120, 140, and so on). We have $20n=100$ when $n=5$ , so the sum we want to compute is

$\displaystyle\sum_{n=5}^{15}20n=\boxed{2200}$

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3 years ago

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sammy [17]

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Step-by-step explanation:

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3 years ago

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Semenov [28]

O centroid

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In geometry, a median of a triangle is a line segment joining a vertex to the midpoint of the opposite side, thus bisecting that side. Every triangle has three medians, one from each vertex, and they all intersect each other at the triangle's centroid.

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3 years ago

What is the answer to number 15 p.s. show how u got this ANSWER PLEASE

Anuta_ua [19.1K]

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The volume of the rectangular prism is $V=442.341\ cm^{3}$