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il63 [147K]
2 years ago
11

Use a single digit times a power of 10 to estimate the number 0.00002149 please help :(

Mathematics
1 answer:
Rus_ich [418]2 years ago
8 0

Answer:

2.149 × 10-5

Step-by-step explanation:

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Help on the second graph?
patriot [66]

Answer:

The 2nd Graph is a function.

Step-by-step explanation:

You can tell it's a function because if you flatten the individual line segments along the x-axes, they all connect to form one long line.

HOWEVER, if some of the dots at the end of each line segment were empty circles instead, then it would not be considered a function. You can think of these as holes, not allowing the line to connect in those or that area.

Did that help? ;-;

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3 years ago
Help me w the answer
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Which expression represents this word phrase? eight less than the quotient of x and 3 x−83 8−x3 x3−8 3x−8
lozanna [386]
Quotient is basically the answer produced when dividing two numbers.

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3 years ago
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Which postulate can be used to prove that the triangles are congruent?
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3 years ago
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Can someone please help with this ?
creativ13 [48]

Answer:     -9n+20

This is the same as 20-9n

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

Explanation:

The jump from 11 to 2 is "minus 9"

The jump from 2 to -7 is also "minus 9".

Assuming this pattern continues on, we have an arithmetic sequence with

  • a = 11 = first term
  • d = -9 = common difference

The nth term can be found like so

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Let's check the answer by trying n = 3

a_n = -9n+20\\\\a_3 = -9*3+20\\\\a_3 = -27+20\\\\a_3 = -7\\\\

This shows the third term is -7, which matches what the original sequence shows. The answer is partially confirmed. I'll let you check the other values of n. You should get 11 when trying n = 1, and you should get 2 when trying n = 2.

4 0
2 years ago
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