3 years ago

What is the similarity ratio of a prism with surface area 225ft `2

1 answer:

5 0

The correct answer is

2:5, 2 to 5, 2/5

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MrRissso [65]

Answer:

$\left[\begin{array}{c}-\frac{8}{\sqrt{117} } \\\frac{7}{\sqrt{117} }\\\frac{2}{\sqrt{117} }\end{array}\right]$

Step-by-step explanation:

We are required to find a unit vector in the direction of:

$\left[\begin{array}{c}-8\\7\\2\end{array}\right]$

Unit Vector, $\hat{a}=\dfrac{\overrightarrow{a}}{|\overrightarrow{a}|}$

The Modulus of $\overrightarrow{a}$ = $\sqrt{(-8)^2+7^2+(-2)^2}=\sqrt{117}$

Therefore, the unit vector of the matrix is given as:

$\left[\begin{array}{c}-\frac{8}{\sqrt{117} } \\\frac{7}{\sqrt{117} }\\\frac{2}{\sqrt{117} }\end{array}\right]$

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4 years ago

sattari [20]

She divided them both

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3 years ago

MakcuM [25]

Answer

7,3'

hope this helps give me a 5-rate and a thanks!

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3 years ago

DIA [1.3K]

Answer:

Step-by-step explanation:

<u>The range is the difference between the lowest and the highest values of the set:</u>

The answer is TRUE

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3 years ago

olchik [2.2K]

So you want us to multiply all those numbers?

5 0

3 years ago