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svetoff [14.1K]
3 years ago
9

Elijah drove 45 miles to his job in an hour and ten minutes in the morning. On the way home: however, traffic was much heavier a

nd the same trip took an hour and half. What was his average speed in miles per hour for the round trip?
Mathematics
1 answer:
olchik [2.2K]3 years ago
8 0

Answer: try going to question cove to get answer

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1)
vaieri [72.5K]

Answer:

see explanation

Step-by-step explanation:

Note the common difference d between consecutive terms of the sequence

8 - 6 = 10 - 8 = 2

This indicates that the sequence is arithmetic with n th term

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 6 and d = 2, thus

a_{n} = 6 + 2(n - 1) = 6 + 2n - 2 = 2n + 4 ← explicit formula

Hence

a_{130} = (2 × 130) + 4 = 260 + 4 = 264

8 0
3 years ago
Describe a real world situauationthat could be modled by dividing two rational numbers
Dima020 [189]
You have 10 slices of cake, you and your friends Jerry, George, Martha, and Jenny ( just an example ) eat 2 slices of cake. 
A more real life one would be:
You have 6 bills to pay off, then two more come in, you only pay off 4, 
( I hope this helped, I'm sorry if any of this is wrong:) )
7 0
3 years ago
Please someone help give the answer for the following, we need to write an expression for the following
erastovalidia [21]
Ed to know demensions
7 0
3 years ago
P and q are two arithmetic sequences. The first four terms of sequence P are 2,6,10,14. The nth term of sequence Q is 145-3n. Th
Tomtit [17]

Answer:

r = 21

Step-by-step explanation:

nth of sequence P :

T_{n} = 4n -2

r^{th} term : 4r-2=145-3r\\4r+3r=145+2\\7r=147\\r=21

5 0
1 year ago
Find the perimeter of this figure. Enter your answer in the box.
Sedbober [7]
I think it’s 52 units
7 0
2 years ago
Read 2 more answers
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