4 years ago

If a =b and b=c,then a =

Mathematics

2 answers:

Komok [63]4 years ago

3 0

Then a will be equal to c

Burka [1]4 years ago

3 0

If a = b and b = c, then a = c

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What is the me big of fraction

Alina [70]

Answer:

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Step-by-step explanation:

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What is the constant of proportionality for ratio 3:4, graph points (2,5), 3 red 2 blue, 7=5m

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3 years ago

M is the incenter of triangle ABC. Find the lengths of MD and DC. (Look at pic)

Deffense [45]

Answer:

Part 1) $MD=9\ units$

Part 2) $DC=12\ units$

Step-by-step explanation:

Step 1

Find the length of MD

we know that

The incenter is the intersection of the angle bisectors of the three vertices of the triangle. Is the point forming the origin of a circle inscribed inside the triangle

In this problem

$MD=ME=MF$ ------> is the radius of a circle inscribed inside the triangle

we have that

$MF=9\ units$

therefore

$ME=9\ units$

$MD=9\ units$

Step 2

Find the length of DC

we know that

In the right triangle MDC

Applying the Pythagoras theorem

$MC^{2} =MD^{2}+DC^{2}$

we have

$MD=9\ units$

$MC=15\ units$

substitute

$15^{2} =9^{2}+DC^{2}$

$DC^{2}=225-81$

$DC=\sqrt{144}\ units$

$DC=12\ units$

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4 years ago

Is this answer is correct

Yuliya22 [10]

Yes, this answer is correct.

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3 years ago

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Which of the following best describes the slope of the line below?

inna [77]

It’s a zero slope

When it’s a horizontal line, the slope is always 0 because it’s not changing

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