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iVinArrow [24]
2 years ago
14

The number 8/7 = 1.14285714285714 ... obviously has no exact representation in any decimal floating point system (beta = 10) wit

h finite precision t. Is there a finite floating point system (i.e., some finite integer base beta and precision t) in which this number does have an exact representation? If yes, then describe such a system. Answer the same question for the irrational number pi.
Mathematics
1 answer:
arlik [135]2 years ago
5 0

Answer:

The answer to this question can be defined as follows:

Step-by-step explanation:

In the first point:

Yes, the Finite Floating Point Structures are considered  Where \beta = 7

\to \frac{8}{7}= (1.1)_7

\bold{= 1 \times 7^0 + 1 \times 7^{-1}}\\\\

In the second point:

There is no device with a finite floating-point since the right side is  

This equality never happens, then, with the rational numbers (\alpha_i and \beta is rational).

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A triangle has vertices at B(−3, 0), C(2, −1), D(−1, 2). Which transformation would produce an image with vertices B″(−2, 1), C″
Alexxandr [17]

Answer:

A. (x, y) → (x,-y), (x, y) → (x + 1, y + 1)

Step-by-step explanation:

Plot points B, C and D on the coordinate plane (blue points in attached diagram).

1 transformation is reflection across the x-axis with the rule

(x,y)→(x,-y)

and it maps these points to

  • B(-3,0)→B'(-3,0)
  • C(2,-1)→C'(2,1)
  • D(-1,2)→D'(-1,-2)

These image points are marked in green in attached diagram.

2 transformation is translation 1 unit to the right and 1 unit up with the rule

(x,y)→(x+1,y+1)

and it maps previous image points to

  • B'(-3,0)→B''(-2,1)
  • C'(2,1)→C''(3,2)
  • D'(-1,-2)→D''(0,-1)

3 0
2 years ago
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Walt received a package that is 2 1/3 inches long, 6 3/4 inches high, and 8 1/2 inches wide. What is the surface area of the pac
grin007 [14]
Add whole numbers: 2 + 6 + 8 = 16
Add fractions:

= 1/3 + 3/4 + 1/2

= (8 + 18 + 12) ÷ 24

= 38/24 or 1 14/24 or simplified to 1 7/12

Total surface area = 16 + 1 7/12 or 17 7/12


5 0
2 years ago
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Jerome found the lengths of each side of triangle QRS as shown, but did not simplify his answers. Simplify the lengths of each s
emmainna [20.7K]

Answer:

Triangle QRS is an isosceles triangle because QR = RS.

Step-by-step explanation:

option D for Edgu hope this helps :)

9 0
2 years ago
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The point (1, 4) lies on a circle that is centered at (1, 1). Which statements are correct? Check all that apply.
Semenov [28]

the circle's radius is 3 units

the point (- 2, 1 ) lies on the circle

the equation of a circle in standard form is

(x - a)² + (y - b)² = r²

where (a, b) are the coordinates of the centre and r is the radius

the radius is the distance from the centre to the point (1, 4 ) on the circle

using (1, 4) and (1,1) in the distance formula, then

r = √(1 - 1 )² + (1 - 4)² = √(0 + 9) =√9 = 3 ⇒ r² = 9

(x - 1 )² + (y - 1 )² = 9 ← equation of circle

substitute the given points into the equation and if equation is true then they lie on the circle

(- 2, 1 ) : (- 2 - 1 )² + (1 - 1 )² = 9 + 0 = 9 ← true

Hence (- 2, 1 ) lies on the circle

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(3, 3 ) does not lie on the circle



6 0
2 years ago
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John is 4 years older than Becky, and John’s and Becky’s combined ages is 58. How old are Becky and John?A. Becky is 26; John is
Levart [38]

Answer:

Answer C: Becky is 27; John is 31

Step-by-step explanation:

1. John is 4 years older than Becky--27(Becky's age)+ 4=31(John's age)

2. Sum of their ages is 58--27(Becky's age)+31(John's age)=58

So, the correct answer is Answer C.

3 0
2 years ago
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