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KonstantinChe [14]
3 years ago
7

Please help me with this, corresponding parts

Mathematics
1 answer:
poizon [28]3 years ago
4 0

Answer:

∠ C = 58°

Step-by-step explanation:

DB is a perpendicular bisector , so

∠ ADC = 2 × 32° = 64°

Since AD = CD then Δ ACD is isosceles with the base angle congruent , then

∠ C = \frac{180-64}{2} = \frac{116}{2} = 58°

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Ilia_Sergeevich [38]

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liq [111]
--------------------------------------------
Question
--------------------------------------------
3 \times 1000 + 6 \times 100 + 1 \times 10 + 2 \times \frac{1}{10}  + 1 \times  \frac{1}{1,000}

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Convert the fractions to decimals
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3 \times 1000 + 6 \times 100 + 1 \times 10 + 2 \times 0.1  + 1 \times  0.001

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Evaluate each term
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3000 + 600 + 10 + 0.2 + 0.001

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3 0
3 years ago
If a² + b² = z and ab = y, which of the following is equivalent to 4z + 8y? Show all the steps.
Ivenika [448]

Answer:

The answer to your question is:       (2a + 2b)²

Step-by-step explanation:

a² + b² = z

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Which is equivalent to 4z + 8y ?

Substitution

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Simplify                        4a² + 4b² + 8ab

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Factorize                     (2a + 2b)²

7 0
3 years ago
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