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Hunter-Best [27]
3 years ago
15

Which explicit formula -8, -5, -2, 1, 4,...

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer:

then 7,10,13 and so one so forth

Step-by-step explanation:

you are subtracting three as you go on.

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The mean of 15 numbers is 12. An extra number is included and the mean increases to 13. What the extra number?
Studentka2010 [4]

Answer: 28

Step-by-step explanation:

The mean of 15 numbers = 12

Then , the sum of the numbers = 12x15 = 180

Let the extra number included be x , then

The new sum = x + 180

And the new total number will increase from 15 to 16

new mean = 13 , so we have :

\frac{x+180}{16} = 13

x+ 180 = 16(13)

x + 180 = 208

x = 208 - 180

x = 28

therefore , the extra number is 28

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3 years ago
A bakery sold 111 cupcakes in one day. The head baker predicted he would sell 91 cupcakes that day. What was the percent error o
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3 years ago
Jasmine is thinking about buying a car and is comparing two vehicles. One gets 14 miles to the gallon (mpg) and the other gets 2
const2013 [10]

The more fuel efficient car is the car that has 28 miles to a gallen.She would be saving 752 dollars.

3 0
2 years ago
Please help me with this, i dont understand, nor do i know the answer
Gemiola [76]

Answer:

You will find the answer easily after doing the steps below.

Step-by-step explanation:

If you have graph paper, this is really easy to do. All you need to do is draw a graph. Then you will number the squares. Next, find the points (-2, 7) and (6, -9). Draw a line connecting the two points you have created.

5 0
2 years ago
Read 2 more answers
caroline has $222 in her piggy bank. she adds $10 a week to her savings. javier has $148 in his piggy bank, and adds $12 a week
Afina-wow [57]

Answer:

392

Step-by-step explanation:

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