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sweet [91]
3 years ago
10

Write two decimals that can be rounded to 2.5

Mathematics
2 answers:
zheka24 [161]3 years ago
8 0
2.48 can be rounded pretty much any number between 2.45 to 2.5
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Fed [463]3 years ago
8 0
2.46 and 2.49 would be an answer
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14x+10y=72 14x+4y=96 Solve the following system of equations using any method
Anarel [89]
    14x + 10y = 72
    14x +   4y = 96
                6y = -24
                 6       6
                  y = -4
    14x + 10y = 72
14x + 10(-4) = 72
       14x - 40 = 72
             + 40 + 40
              14x = 112
               14      14
                  x = 8
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5 0
3 years ago
Circle A has center (0, 0) and radius 3. Circle B has center (-5, 0) and radius 1. What sequence of transformations could be use
Dmitrij [34]

A translation of T(x, y) = (- 5, 2) and a dilation with center (- 5, 2) with a scale factor of 1 / 3 are necessary to transform circle A into circle B. (Correct choice: D)

<h3>What sequence of rigid transformations can be done on a circle</h3>

In this problem we must determine the sequence of transformations require to transform circle A into circle B. From analytical geometry we know that the equation of the circle in standard form is:

(x - h)² + (y - k)² = r²

Where:

  • (h, k) - Coordinates of the center.
  • r - Radius of the circle.

Then, we need to apply the following rigid transformations:

Translation

f(x, y) → f(x - h, y - k), where (h, k) is the translation vector.

Dilation with center at the center of the circle

r → k · r, where k is the scale factor.

The circle A is represented by x² + y² = 3, then we derive the expression for the circle B:

f(x, y) → f(x + 5, y - 2)

(x + 5)² + (y - 2)² = 9

r → k · r

(x + 5)² + (y - 2)² = (1 / 3)² · 9

(x + 5)² + (y - 2)² = 1

Then, a translation of T(x, y) = (- 5, 2) and a dilation with center (- 5, 2) are necessary to transform circle A into circle B.

To learn more on rigid transformations: brainly.com/question/28004150

#SPJ1

8 0
1 year ago
1<br> What is the slope of the line through (-9,-6) and (3,-9)?
Setler [38]

Answer:

-2/3

Step-by-step explanation:

So the slope of the line that goes through the points  and  is m=3/2

Now flip the fraction and change the sign to get the answer -2/3

PLZ MARK AS BRAINLYEST

5 0
3 years ago
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I need help ASAP PLEASE!
jek_recluse [69]
Heya....

your answer is:

All rational numbers are not integers. But all integers are rational numbers.

The statement is false.

It may help you...☺☺
4 0
3 years ago
What is the circumference of<br>a circle with a radius of 21<br>cm?​
Travka [436]

Answer:

131.95cm.

Step-by-step explanation:

4 0
3 years ago
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