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Scrat [10]
2 years ago
11

AC = 9x - 12, CD = 4x + 18, AD = ?​

Mathematics
1 answer:
GrogVix [38]2 years ago
3 0

If we assume that point C is somewhere on segment AD, then,

AD = AC + CD

AD = (9x-12) + (4x+18)

AD = (9x+4x) + (-12+18)

AD = 13x+6    is the answer

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Afina-wow [57]

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Gradient is 11/4 and y intercept -8

4 0
3 years ago
Read 2 more answers
1 ) $45, the markup is 20%. <br> 2) 1.25 the markup is 80%<br> 3) 150. the markdown is 40%
baherus [9]
Hi there! I can help you with these! For these types of questions, all you have to do is that if there is a markup, multiply by one hundred something to get the new price, because you're including the original price and the markup. For example, if there is a 75% markup on something, you multiply by 175% (1.75). Or, if there is a markdown, basically multiply by the remaining percentage. For example, if the markdown is 35%, you multiply the original price by 65% (0.65), because that is the amount of the price that it's on sale for. With that being said, if you do this correctly, here are the answers:

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8 0
3 years ago
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4vir4ik [10]
The answer is A.

Hope I helped.
6 0
3 years ago
Read 2 more answers
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