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julsineya [31]
2 years ago
12

1. State whether the following sets of lines

Mathematics
1 answer:
Umnica [9.8K]2 years ago
4 0
A: parallel
B: perpendicular
C: neither
D: perpendicular
E: parallel
Explanation: Parallel lines have the same slope. Perpendicular lines have inverted and converted slopes. Neither has neither.
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Answer:

mean:

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Add the two expressions. 8.9x−5 and −6.8x+8 Enter your answer, in simplified form, in the box.
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Let's simplify step-by-step.<span><span><span><span>8.9x</span>−5</span>−<span>6.8x</span></span>+8</span><span>=<span><span><span><span><span><span>8.9x</span>+</span>−5</span>+</span>−<span>6.8x</span></span>+<span>8

</span></span></span>Combine Like Terms:<span>=<span><span><span><span>8.9x</span>+<span>−5</span></span>+<span>−<span>6.8x</span></span></span>+8</span></span><span>=<span><span>(<span><span>8.9x</span>+<span>−<span>6.8x</span></span></span>)</span>+<span>(<span><span>−5</span>+8</span>)</span></span></span><span>=<span><span>2.1x</span>+<span>3

The simplified answer is </span></span></span><span><span>2.1x</span>+<span>3</span></span>
8 0
3 years ago
mr.jones has a new car. the manufacturer says that the car should get about 28 miles per gallon in the city.about how many miles
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He should be able to travel 322 miles. It would cost him $33.235 rounded up to $33.24. 
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Help with number b please
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