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xxTIMURxx [149]
3 years ago
7

Which of the following reasons can be used to justify statement #4 in the proof?

Mathematics
1 answer:
Montano1993 [528]3 years ago
3 0

Answer:

D.

Step-by-step explanation:

CPCTC which stands for "corresponding parts of congruent triangles are congruent". Since ΔMQN and ΔPQN have already been proved congruent, So every angle and sides of these two triangle corresponding with each other would be congruent.

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Solve the equation:<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B21%20-%204x%7D%7B9%7D" id="TexFormula1" title="\frac{21 - 4x
schepotkina [342]

Answer:

x = -\frac{12}{5}

Step-by-step explanation:

To solve the equation, isolate x. Whatever you do to isolate x one on side, you must do to the other.  

1) Multiply both sides by 9 to get rid of the fractions.  

\frac{21-4x}{9} +\frac{8x+15}{3} = 2 \\21-4x + 3(8x + 15) =18 \\

2) Distribute the 3 to 8x and 15. Then, combine like terms.

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3) Move the 66 to the other side, subtracting 18 by 66, then divide each side by 20 to finally isolate x.

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Thus, x = -\frac{12}{5}.

3 0
3 years ago
PROOF: Triangle ABC is a right isosceles triangle by hypotenuse AB. M is the midpoint of AB. Select a coordinate proof to show t
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The best and most correct answer among the choices provided by your question is the second choice or letter B.

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</span>I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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Answer:

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Step-by-step explanation:

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2 years ago
Describe parallelograms in 5 sentence
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Answer:

Their lines never touch. They have 2 different sides. They are like a square but differen. They always have even number.

Step-by-step explanation:

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3 years ago
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