Answer:
x = ± 2
Step-by-step explanation:
Given
16 - 2x² = - 64 ( subtract 16 from both sides )
- 2x² = - 80 ( divide both sides by - 2 )
x² = 40 ( take the square root of both sides )
x = ± = ±
= ± 2
The tenths models have been shaded to represent the multiplying of two numbers. Which equation can be represented by the shaded
parts of the model? A.0.3 × 0.8 = 0.24 B.3 × 0.8 = 24 C.3 × 8 = 2.4 D.3 × 0.8 = 2.4
2 answers:
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