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Lady bird [3.3K]
3 years ago
15

The first four terms of an arithmetic sequence are given by a1= 6, a2 = 12,

Mathematics
1 answer:
Advocard [28]3 years ago
6 0

Answer:

an=6+6(n-1)

Step-by-step explanation:

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In a stadium, 1,000 tickets were sold. Children’s tickets cost $2.50 each and adults’ tickets cost $5.00 each. The revenue colle
Juli2301 [7.4K]

Answer:

400 children tickets and 600 adult tickets.

Step-by-step explanation:

children tickets in total cost=400x2.50

                                             =1000

adult tickets in total cost=600x5.00

                                             =3000

total cost is 4000

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2 years ago
If the original quanity is 10 and the new quanity is 12, what is the percent increase
JulijaS [17]

Answer:

+20%

Step-by-step explanation:

None

8 0
2 years ago
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7 0
3 years ago
The quantities x and y are proportional.
uranmaximum [27]

Answer: r = 1/9

<u>Step-by-step explanation:</u>

y = rx  -->  r=\dfrac{y}{x}

1)\ y=1\dfrac{2}{9}\rightarrow\dfrac{11}{9}\\\\.\quad x=11\\\\r=\dfrac{11}{9}\div11\\\\\\r=\dfrac{11}{9}\times \dfrac{1}{11}\quad =\large\boxed{r=\dfrac{1}{9}}

2)\ y=2\dfrac{1}{3}\rightarrow\dfrac{7}{3}\\\\.\quad x=21\\\\r=\dfrac{7}{3}\div21\\\\\\r=\dfrac{7}{3}\times \dfrac{1}{21}\quad =\large\boxed{r=\dfrac{1}{9}}

3)\ y=5\\\\.\quad x=45\\\\r=5\div45\\\\\\r=\dfrac{5}{45}\quad =\large\boxed{r=\dfrac{1}{9}}

4 0
3 years ago
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Answer:

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