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anygoal [31]
1 year ago
6

3/a times x -4 equals 20

Mathematics
1 answer:
jenyasd209 [6]1 year ago
4 0

Answer:

a = -5/3

Step-by-step explanation:

3/a × -4 = 20

3a × -4/-4 = 20/-4

3a = -5

a = -5/3

Check:

3/(-5/3) × - 4 = 20

-5 × - 4 = 20

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5 0
2 years ago
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galina1969 [7]
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8 0
2 years ago
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3 years ago
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7 0
3 years ago
In the diagram, BC¯¯¯¯¯∥DE¯¯¯¯¯ .<br><br> What is AE ?
emmainna [20.7K]
So there are two triangles here: Smaller one (ADE) and bigger one (ABC) and they both are similar.

So you can use proportions here.

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Now do the cross multiply:

7 AE = 6 (AE + 3)

Now solve for AE:

7AE = 6AE + 18

AE = 18
6 0
2 years ago
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