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Maru [420]
3 years ago
14

Alejandro has 3 times as many playlists as Derrick does. Alejandro has 24 playlists. If d = the number of playlists Derrick has,

which mathematical sentence expresses the information above?
Mathematics
2 answers:
Norma-Jean [14]3 years ago
6 0

Answer:

Derrick has 8 playlists in his possession.

Step-by-step explanation:

If Derrick as x amount of playlists, then if Alejandro has 3 times as many playlists as Derrick then he has 3x. Now if Alejandro has 24 playlists we can create the following mathematical expression to figure out how many playlists Derrick has.

3x = 24 .... divide both sides by 3

x = 8

We can now see that Derrick has 8 playlists.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

Sindrei [870]3 years ago
5 0
That's it
3*d=24
d=24/3
d=8
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3 0
3 years ago
Find the first term, a1, of an arithmetic sequence if a12 = 38 and a45 = 170.
snow_lady [41]
Standard formula for arithmetic sequence:
an = a0 + d(n-1)

if we use the two terms given, setting a12 as starting term and a45 as the end term an.

170 = 38 + 33d 
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132/33 = d
This is the common difference, use it to find the first term.

38 = a0 + (132/33)(12-1)
38 = a0 + (132/33)(11)
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8 0
3 years ago
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4 0
3 years ago
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Korolek [52]
When
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3 years ago
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