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mamaluj [8]
3 years ago
15

HELP ME ILL GIVE 25 POINTS

Mathematics
2 answers:
Ksivusya [100]3 years ago
6 0
40/30 = 60/45
40 * 45 = 60 * 30
1800 = 1800 the triangles are similar
Sonbull [250]3 years ago
4 0
△ABC~<span>△YZX
You just figure out what sides are similar to each other

</span>
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Find octal expansion of (B5D)16.
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b5d₁₆ = 11×16² + 5×16¹ + 13×16⁰

… = 11×(2×8)² + 5×(2×8)¹ + 13×(2×8)⁰

… = 11×4×8² + 5×2×8¹ + 13×8⁰

… = 44×8² + 10×8¹ + 13×8⁰

… = (40 + 4)×8² + (8 + 2)×8¹ + (8 + 5)×8⁰

… = (5×8 + 4)×8² + (1×8 + 2)×8¹ + (1×8 + 5)×8⁰

… = 5×8³ + 4×8² + 1×8² + 2×8¹ + 1×8¹ + 5×8⁰

… = 5×8³ + 5×8² + 3×8¹ + 5×8⁰

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