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Ganezh [65]
3 years ago
7

The bids in an online auction are represented by the arithmetic sequence shown below. Write an explicit formula to represent the

bids as an arithmetic sequence. What is the ​bid?
​207,216,225,234
Mathematics
1 answer:
sesenic [268]3 years ago
7 0

Answer:

aₙ = 207+9*(n-1)

Step-by-step explanation:

a1 = 207+9*(1-1) = 207

a2 = 207+9*(2-1) = 216

a3 = 207+9*(3-1) = 225

....

aₙ = 207+9*(n-1)

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A train travels from Madrid to Malaga at an average speed of 183 km/h. The train leaves Madrid at 08 40 The train arrives at Mal
Pachacha [2.7K]
Answer : d = 380.64km
Explanation: using the formula d = vt
v = 183km/h
t= 11:28-8:40 = 2:48 = 2hr48min= 2hr+0.8hr=2.08hr

d = 183 x 2.08
d = 380.64km
3 0
4 years ago
146, 74, 38, 20, ? what would the next number be in this sequence?
Anuta_ua [19.1K]
Looking at the numbers, we can see that the differences are 72, 36, and 18. Notice that they are each factors of the next by the same constant 2.

18 * 2 = 36
36 * 2 = 72

There, it means that 18/2 will be subtracted from 20.

20 - 18/2
= 20 - 9
= 11

The next number in the sequence would be 11. Hope this helps!
3 0
4 years ago
Juno ams Akima are training for a blathlon together. They are going to jog for the same amount of time as each other every day w
alexgriva [62]

Answer:3 hours

Step-by-step explanation:

Juno jogs at rate of 6 miles and bikes at rate of 14 miles covering total of 48 miles.

Akima jogs at rate of 8 miles and bikes at rate of 12 miles covering total of 44 miles.

Let jogging be represented by j

Let biking be represented by b

For Juno, 6j + 14b = 48 ......... i

For Akima, 8j + 12b = 44.......... ii

Multiply equation I by 8

Multiply equation ii by 6

48j + 112b = 384 ........... iii

48j + 72b = 264 ............. iv

Subtract equation iv from iii

48j + 112b = 384

- 48j + 72b = 264

40b = 120

b = 120/40

b = 3

Number of hours spent biking is 3 hours.

7 0
4 years ago
Read 2 more answers
20baskets into 4minutes
Crank
Put this into ratio form:

20 baskets/ 4 minutes.

This means for every 4 minutes, you can make 20 baskets.

Now solve for 1 minute...how many baskets can you make in one minute.

You can solve this in many ways:

1. Cross Multiply:

20/4 = x/1...20×1= 20 ÷ 4= 5 baskets per minute

2. Simplify- (simpler way to solve)

20 baskets ÷ 4 minutes= 5 baskets in 1 minute 

3. Critical Thinking:

how many times can 4 go into 20? 5 times. So there are:
 
5 baskets per minute
6 0
4 years ago
Help it keeps showing like it's 0.02027629 or whatever​
prisoha [69]

could you explain a bit more?

3 0
3 years ago
Read 2 more answers
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