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arsen [322]
3 years ago
5

Need help quick please

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
6 0

Answer:

1. x-6≤20

2. (2x-2)+3≥50

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Step-by-step explanation:

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Round to the nearest tenth.
laila [671]

Answer:

8.2 units

Step-by-step explanation:

Given that the only information for our triangle are 2 sides and 1 angle, we must use the Law of Cosines to find side BC

<u />

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<u />a^2=b^2+c^2-2bc\cdot cos(A)

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<u />a^2=b^2+c^2-2bc\cdot cos(A)\\\\a^2=14^2+6^2-2(14)(6)\cdot cos(23^\circ)\\\\a^2=196+36-168cos(23^\circ)\\\\a^2=222-168cos(23^\circ)\\\\a=\sqrt{222-168cos(23^\circ)}\\ \\a\approx8.2

Therefore, the length of line segment BC is about 8.2 units

8 0
2 years ago
Tom solved the problem a different way. First he found the total area of the floor, and then he multiplied by the height. Does T
Anastasy [175]
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