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Arturiano [62]
3 years ago
5

1. Solve.

Mathematics
2 answers:
Anestetic [448]3 years ago
8 0

Answer:  A: x=-3, 5

Step-by-step explanation: Use the quadratic equation or solving system method to get x=-3,5 the other questions are similar!

Ivahew [28]3 years ago
7 0

Step-by-step explanation:

2x × 3x +(-5×1)=6x-6=o

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4 0
3 years ago
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Can someone help please.
snow_lady [41]
<span>By the Pythagorean theorem
AB = </span>√(12²+5²) = √169 = 13 units

\frac{AD}{AB} =  \frac{BD}{BC} \ \to \ BC= \frac{AB*BD}{AD}= \frac{13*12}{5}=   31.2 \ units
8 0
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