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svlad2 [7]
2 years ago
5

State whether the triangles are similar. Number 16

Mathematics
1 answer:
STatiana [176]2 years ago
4 0

Answer: \triangle ABD \sim \triangle CBD by SAS

Step-by-step explanation:

\overline{BD} \cong \overline{BD} by the reflexive property, so \triangle ABD \cong \triangle CBD by SAS. Since all congruent figures are similar, this means that \boxed{\triangle ABD \sim \triangle CBD} by <u>SAS</u>.

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ANSWER

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EXPLANATION

The given polynomials are:

G =  - 3 {w}^{4}  + 2 {w}^{2}  {z}^{2}  + 5z^{4}

and

P = 8 {w}^{4}   - 3{w}^{2}  {z}^{2}  + z^{4}

We want to subtract these two polynomials.

P-G = 8 {w}^{4}   - 3{w}^{2}  {z}^{2}  + z^{4}  - (- 3 {w}^{4}  + 2 {w}^{2}  {z}^{2}  + 5z^{4} )

Expand the right hand side to obtain:

P-G = 8 {w}^{4}   - 3{w}^{2}  {z}^{2}  + z^{4}   + 3 {w}^{4}   -  2 {w}^{2}  {z}^{2}   -  5z^{4}

Group the similar terms:

P-G = 8 {w}^{4}  + 3 {w}^{4}- 3{w}^{2}  {z}^{2} -  2 {w}^{2}  {z}^{2}   -  5z^{4} + z^{4}

Combine the similar terms to get:

P-G = 11{w}^{4} - 5 {w}^{2}  {z}^{2}   - 4z^{4}

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3 years ago
Evaluate-2+7x^2-2x^3-8x+7x^4 at x=5
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Answer:

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Step-by-step explanation:

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<h2>Answer:</h2>

<h2>Step-by-step Explanation;</h2>

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{\color{red}{\huge{\underbrace{\overbrace{\mathfrak{\:\:\:\:\:\:\:꧁"Answer"꧂\:\:\: }}}}}}

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