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3 years ago

The answer and the work

Mathematics

2 answers:

zzz [600]3 years ago

7 0

2.5d+5=65

minus both sides by 5 to cancel out the 5

2.5d=60

divide both sides by 2.5 to get d by itself

d=24

the number of days margo owned the plant is 24

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Harlamova29_29 [7]3 years ago

4 0

2.5x + 5 = 65 cm
subtract 5 from 65, which will leave you with:
2.5x = 65 cm
divide 65 by 2.5, which should leave you with a total of 24 days, at least according to my calculator. Try to get the x by itself, and you should be fine.

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First we need to find the distance for the first segment using the formula for distance $D=\sqrt{(x_{2}-x_{1})^2 + (y_{2}-y_{1})^2}$ . Let's say $(x_{1},y_{1})$ is (0, 0) and $(x_{2},y_{2})$ is (33, 56). This gets us that the length of this segment is 65 miles.
Next, we need to find the distance for the second segment. Using the same formula for distance $D=\sqrt{(x_{2}-x_{1})^2 + (y_{2}-y_{1})^2}$ , we can say $(x_{1},y_{1})$ is now (33, 56) and $(x_{2},y_{2})$ is now (23, 32). This gets us that the length of this segment is 26 miles.
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