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stepladder [879]
3 years ago
8

Plz help me I will mark brainlest whoever answers with explanation​

Mathematics
1 answer:
levacccp [35]3 years ago
7 0

Answer:

1. 3

2. -2.5+3= .5

3. <__________________>

-5 -4 -3 -2 -1 0 1 2 3 4 5

^ ^ ^

Step-by-step explanation:

When you add 3 to -2.5, the result is a positive .5. I wasn't sure what the number line meant, so I did my best

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Answer:

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3 years ago
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Nikitich [7]
<h3>Answer:  14</h3>

============================================================

Work Shown:

m=\text{geometric mean of x and y}\\\\m = \sqrt{x*y}\\\\m = \sqrt{2*98}\\\\m = \sqrt{196}\\\\m = \sqrt{14^2}\\\\m = 14\\\\

The geometric mean of two numbers has us do two steps in this order

  1. Multiply the values
  2. Apply the square root

The geometric mean can be applied to more than two values. Regardless of how many values you have, you always multiply them out. However, the number of values will tell you what kind of root you'll take (eg: 3 values leads to a cube root; 4 values means you'll take a fourth root, etc).

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