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2 years ago

Determine the relationship between the two triangles and whether or not they can be proven to be congruent.

Mathematics

2 answers:

g100num [7]2 years ago

7 0

Answer:

They are congruent by HL

Step-by-step explanation:

nignag [31]2 years ago

3 0

Answer:

HL.

Step-by-step explanation:

2 right triangles.

Hypotenuse and 1 leg are congruent.

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A particle starts at the point P=(−5,−1,3) when t=0 and moves along a straight line toward Q=(−6,−6,8) at a speed of 9 cm/sec. L

navik [9.2K]

Answer:

Step-by-step explanation:

Given

Particle moves from $P\ (-5,-1,3)\ to\ Q\ (-6,-6,8)$

speed of particle is $v=9\ cm/s$

Unit vector in the direction of vector $\vec{PQ}$ is given by

$\hat{n}=\frac{\vec{Q}-\vec{P}}{|\vec{Q}-\vec{P}|}$

$\hat{n}=\frac{-}{\sqrt{(-1)^2+(-5)^2+(5)^2}}$

$\hat{n}=\frac{}{\sqrt{1+25+25}}$

Now Position of Particle at any time is given by

$\vec{r(t)}=velocity\cdot time\cdot direction$

$\vec{r(t)}=9\cdot t\cdot \frac{}{\sqrt{1+25+25}}$

Parametric vector equation is given by

$x=\frac{-9t}{\sqrt{51}}$

$y=\frac{-45t}{\sqrt{51}}$

$z=\frac{45t}{\sqrt{51}}$

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3 years ago

Which of the following cannot represent the measure of an exterior angle of a regular polygon?

stellarik [79]

Answer:

I think that it's 27

Step-by-step explanation:

Because I think that exterior angles cannot be "vertical"

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2 years ago

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givi [52]

Answer:

Step-by-step explanation:

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So the answer is

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2 years ago

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mrs_skeptik [129]

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Step-by-step explanation:

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