The proceeds from a car wash are directly proportional to the number of cars washed. the total after 9 cars was $180.

Mathematics

1 answer:

Tatiana [17]3 years ago

6 0

Answer:

a) 1200

b) 75

Step-by-step explanation:

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First 100 terms of the following sequence 3 ,7 ,11

Sveta_85 [38]

Given that $a_1 = 3, d = 4$

Find the nth term:

$a_n = 3 + 4(n - 1)$

$a_n = 3 + 4n - 4$

$a_n = 4n - 1$

Find the 100th term:

$a_{100} = 4(100) - 1 = 399$

Find the Sum:

$\text{Sum} = 100(\dfrac{a_1 + a_{100}}{2} )= 100 (\dfrac{3 + 399}{2}) = 20100$

7 0

4 years ago

Read 2 more answers

Please help as soon as possible will mark as brainliest

scZoUnD [109]

i think its c.

hope this helpped

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3 years ago

What are 3 like terms for -19m

Lyrx [107]

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