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Firdavs [7]
3 years ago
12

Find the value of term a14 in the sequence.

Mathematics
1 answer:
Ne4ueva [31]3 years ago
4 0

9514 1404 393

Answer:

  (a)  -23

Step-by-step explanation:

The sequence is arithmetic with first term 3 and common difference -2. Then the general term is ...

  an = a1 +d(n -1)

  an = 3 -2(n -1)

and the 14th term is ...

  a14 = 3 -2(14 -1) = 3 -2(13) = 3 -26

  a14 = -23

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The theater sells two types of tickets: adult tickets for $7 and child tickets for $4. Last night, the theater sold a total of 7
MAXImum [283]

Answer:

55 tickets for adults

Step-by-step explanation:

Start by setting up two equations. One equation will be the total amount of money spent and the other is the total amount of tickets sold. a is the # of adult tickets and c is the # of children tickets sold.

7a+4c=469

a+c=76

Now solve for c in the second equation. Then use that to substitute for c in the first equation.

c=76-a

7a+4(76-a)=469

7a+ 304-4a =469

7a+4a=165

3a=165

a=165/3

a=55

7 0
3 years ago
¿De que manera las propiedades de las operaciones de los números racionales las podemos emplear en la estimación de presupuesto?
zmey [24]

Answer:

La pregunta no está completa. Explicaré las propiedades de funcionamiento de los números racionales.

Explanation:

Las principales propiedades de los números racionales son:

- Propiedad de cierre

- Propiedad de conmutatividad

- Propiedad asociativa

- Propiedad distributiva

La propiedad de cierre establece que para dos números racionales cualesquiera xey, x + y, x-y, x * y, y x / y también será un número racional.

La propiedad de conmutatividad establece que para dos números racionales cualesquiera xey, x + y = x + y; x - y ≠ y - x; x * y = y * x; x / y ≠ y / x.

La propiedad asociativa establece que para cualesquiera tres números racionales dados x, y y z, (x + y) + zyx + (y + z) son iguales.

La propiedad distributiva establece que para tres números cualesquiera x, y y z, x × (y + z) = (x × y) + (x × z).

5 0
4 years ago
Can you help me with this if you’re a smart person
liraira [26]
It would be 7.5 have a good day
6 0
3 years ago
Help me please please
Lynna [10]
169/49 u just do 13x13 over 7x7
6 0
3 years ago
Read 2 more answers
Samantha runs one mile in 10.2 minutes.How can you express the repeating decimal 0.2 as a fraction
Liono4ka [1.6K]

The repeating decimal 0.2 is expressed as 2/9.

5 0
3 years ago
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