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user100 [1]
3 years ago
9

Anna bought 5110

Mathematics
2 answers:
MrMuchimi3 years ago
8 0

Answer:

$7,102.90

Step-by-step explanation:

lorasvet [3.4K]3 years ago
8 0

Answer:

3000.2000000

Step-by-step explanation:

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Find the number that is 42 less than twice the<br> opposite of itself.
maria [59]
42 - -84=-42

Hope this helps :)
8 0
2 years ago
A CD with a diameter of 120 millimeters rotates a rate of 45 revolutions per minute. Find the linear speed of the CD in millimet
ale4655 [162]

9514 1404 393

Answer:

  • 16,965 mm/min
  • 90π ≈ 282.7 radians/min

Step-by-step explanation:

The circumference of the CD is ...

  C = πd

  C = π(120 mm) ≈ 376.99 mm

This is the distance a point on the edge of the CD will travel when making one revolution. It will travel 45 times this far when making 45 revolutions:

  (376.99 mm/rev)(45 rev/min) ≈ 16,965 mm/min

__

There are 2π radians in each revolution, so the angular speed is ...

  (2π rad/rev)(45 rev/min) = 90π rad/min ≈ 282.7 rad/min

6 0
2 years ago
Find the Highest Common Factor of : 27, 36, and 54.​
faust18 [17]

Answer: 9

Step-by-step explanation:

The factors of 27 are: 1, 3, 9, 27

The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36

The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54

Then the greatest common factor is 9.

Hope this helped ! :)

6 0
3 years ago
Quadrilateral ABCD is a rectangle.
jeka94

Answer:

A

Step-by-step explanation:

The diagonals of a rectangle are congruent and bisect each other, so

AC = BD

2AG = 2DG, that is

AG = DG, substitute values

- 7y + 5 = 2y + 68 ( subtract 2y from both sides )

- 9y + 5 = 68 ( subtract 5 from both sides )

-9y = 63 ( divide both sides by - 9 )

y = - 7

Hence

BD = 2(2y + 68)

     = 4y + 136

     = (4 × - 7) + 136

     = - 28 + 136

     = 108 → A

5 0
3 years ago
(-1,-16),(-1,11)<br> What is the slope?
Furkat [3]

Answer:

-5/2

Step-by-step explanation:

11-16=-5

-1-1=-2

5 0
3 years ago
Read 2 more answers
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