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MatroZZZ [7]
3 years ago
14

A=14+(n-1)(8) solve please step by step

Mathematics
2 answers:
Rashid [163]3 years ago
5 0

Answer:

a = 8n + 6

Step-by-step explanation:

<u>Step 1:  Distribute</u>

<u />a = 14 + (n - 1)(8)

a = 14 + (8 * n) + (8 * -1)

a = 14 + 8n - 8

a = 8n + 6

Answer:  a = 8n + 6

timofeeve [1]3 years ago
3 0

Answer:

a=6+8n

Step-by-step explanation:

<u>Step 1: Distribute the 8</u>

a=14+(n-1)(8)                    

a=14+(8*n)+(8*-1)        

a=14+8n+-8                      

<u>Step 2: Combine like terms</u>

a=14+8n+-8

a=6+8n

Your answer: a=6+8n

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Please prove or explain how to get AC, CM, &amp; CP...<br><br> AC = 15<br> CM = 20<br> CP = 12
katovenus [111]
<h3>Explanation:</h3>

All of the right triangles are similar by AA similarity, so corresponding side lengths are proportional. The ratio of the long leg to the short leg is the same for the two smaller triangles, for example:

  CP/AP = MP/CP

  CP/9 = 16/CP . . . . . fill in the given numbers

  CP² = 9·16 . . . . . . . multiply by 9·CP

  CP = 3·4 = 12 . . . . . take the square root

Now, you can use the Pythagorean theorem to find AC and/or CM.

  AC = √(9² +12²) = √225 = 15

  CM = √(12² +16²) = √400 = 20

In summary, CP = 12, AC = 15, CM = 20.

_____

Once you have CM, you can see these are 3-4-5 right triangles, so you can determine the other lengths by using these side ratios.

  3:4:5 = 9:12:15 = 12:16:20

_____

The altitude CP is called the "geometric mean" of AP and MP. It is the square root of their product. This is true for <em>any</em> right triangle, not just one with sides in the ratio 3:4:5. If you know this, you can write down your answers almost immediately. Above, we had to derive this fact using similarity.

5 0
3 years ago
Help please?????????????????
son4ous [18]
This is Pythagorean theorem. 
We already know a and c. 
a = 4 and c = 10
4² + b² = 10² 
16 + b² = 100 
Subtact 16 from each side. 
b² = 84 
Square root of each side: 
b = ≈9.165 or √84

Hope this helps!
6 0
3 years ago
Which expression is equivalent to 3(8+7)? PLEASE HELP MEEE
yarga [219]

Answer:

well I guess 8(3+7) or 7(8+3)

5 0
2 years ago
What is $15.25,7% i really need help on this question
irina1246 [14]

Answer:

.07 * 15.25 = 1.0675

Step-by-step explanation:

4 0
3 years ago
PLZ HELP
Setler [38]
£1.00= 100 cents, 100- 64 = 36.

36
6 0
3 years ago
Read 2 more answers
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