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olga55 [171]
3 years ago
9

Pls answer dis quetsion

Mathematics
1 answer:
LuckyWell [14K]3 years ago
4 0

Answer/Step-by-step explanation:

Statement 1: \overline{AD} = \overline{RC}

Reason 1: Given

Statement 2: <A ≅ <R

Reason 2: Given

Statement 3: <AMD ≅ <RMC

Reason 3: vertical angles

Both angels are vertical angles. Vertical angles are congruent to each other. Therefore, <AMD ≅ <RMC.

Statement 4: ∆MAD ≅ ∆MRC

Reason 4: AAS Congruence Theorem

Two angles and a non-included side in ∆MAD are congruent to corresponding two angles and a non-included side in ∆MRC. Based on the AAS Congruence Theorem, both triangles are congruent.

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Answer:

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Step-by-step explanation:

Step 1: Expand by distributing sum groups.

3k(3k^{2} -5k-3)+4(3k^{2} -5k-3)

Step 2: Expand by distributing terms.

9k^{3} -15k^{2} -9k+4(3k^{2} -5k-3)

Step 3: Expand by distributing terms.

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Step 4: Collect like terms.

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Step 5: Simplify.

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