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Dmitry_Shevchenko [17]
3 years ago
8

-0.8662866239 is rational or irrational

Mathematics
2 answers:
Nataly [62]3 years ago
6 0
<span>irrational?
I honestly don't know i googled it and it's </span>
<span>irrational</span>
svet-max [94.6K]3 years ago
4 0

Answer:

<h2>Irrational.</h2>

Step-by-step explanation:

This number is irrational.

Decimal numbers can be finite or infinite. Specifically, irrational numbers are only infinite, but rational numbers can be both, infinite or finite. So, how to distinguish them?

Actually, we can see the difference looking for patterns or repetitions. When the decimal number is infinte but has a pattern like the number 1.6666666..., then that's a rational number, because its "rationality" is the pattern.

On the other hand, if the decimal number is infinite and it doesn't have a repetitive pattern, like the given -0.8662866239, then that's a irrational number, because it doesn't have a repetition which makes it "rational".

Therefore, the given number is irrational.

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Plz answer quickly will mark brainless
den301095 [7]

Answer:

She must read more than 5 hours

Step-by-step explanation:

equation 12h+10>70

12h>60

h>5

So she must read more than 5 hours

(can I get brainliest now)

5 0
3 years ago
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Write the equation of the line, in point-slope form. Identify the point (-2, -2) as (x1, y1). Use the box provided or the upload
zimovet [89]

Answer:

  • m = (2-(-2))/(2-(-2)) = 4/4 = 1
  • y +2 = 1(x +2)

Step-by-step explanation:

The point-slope form of the equation for a line with slope m through point (x1, y1) is ...

  y -y1 = m(x -x1)

To find the slope of the line, find the ratio of the difference in y-values of the points to the difference in corresponding x-values. Here, the slope is ...

  m = (2 -(-2))/(2 -(-2)) = 4/4 = 1 . . . work to compute slope

The problem statement tells you x1 = -2, y1 = -2. Putting the numbers in to the point-slope form gives ...

  y -(-2) = 1(x -(-2))

  y + 2 = x + 2 . . . equation form with m, (x1, y1) filled in

__

The answer at the top leaves the slope shown as 1. We don't know how much simplification you are expected to do. Obviously, this <em>could</em> be simplified to y=x, but then the use of (-2, -2) for the point would not be obvious.

8 0
3 years ago
What is the value of the expression 18-2×(4+3)
Vika [28.1K]
The value would be 4.

First, you have to do 4 + 3 because it's in parenteces. This equals 7
Secondly, you have to do 2 x 7, which is 14.
Last you have to do 18 - 14 which is 4.
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nikitadnepr [17]
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Answer: 38 feet.

Step-by-step explanation:

The equation of motion of a body thrown vertically upwards:

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Substitute in formula (1) the value t=2 c:

h=2+50*2-16*2^2\\h=2+100-16*2*2\\h=102-64\\h=38\ feet.

5 0
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