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Anastaziya [24]
3 years ago
15

In a box of 3636 pencils, 2020 are sharpened. What is the ratio of sharpened pencils to unsharpened pencils?

Mathematics
2 answers:
Alenkasestr [34]3 years ago
8 0
The answer would be
 2020 : 1616
sergey [27]3 years ago
8 0
I think the answer is 2020:1616
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timomthy began his math homework at 5:17 pm he finished at 5:49 how many minutes did he send on his math homework
daser333 [38]

Answer:

32 minutes

Step-by-step explanation:

49 - 17 = 32

Timothy spent 32 minutes on his math homework.

3 0
2 years ago
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Help me please ASAP
Oliga [24]

Answer:

30

Step-by-step explanation:

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3 0
3 years ago
Factor the algebraic expression.<br> 72 +63
Ira Lisetskai [31]

Answer:135

Step-by-step explanation:72 + 63 =135

5 0
3 years ago
Ms. Allen makes beaded purses. She used 4,725 beads to make 3 identical purses (they are exactly the same and use the same numbe
solong [7]
4,725 divided by 3 equals 1,575
5 0
3 years ago
Ok so I found the area of a rectangle.
Kay [80]

Answer:

  circle area = 1963.495 ft²

Step-by-step explanation:

<u>Given</u>

  A rectangle 550 ft by 350 ft packed with circles on a rectangular grid

<u>Find</u>

  the area of the largest circle that can be packed this way

<u>Solution</u>

The diameter of the circle must be a factor of both 350 and 550. We want the diameter to be the largest such factor. We can write the factors of 350 and 550 as ...

  • 350 = 50 × 7
  • 550 = 50 × 11

The largest factor common to both numbers is 50, so that will be the diameter of the largest circle that will fit on a square grid.

The area of a circle is commonly given by the formula ...

  A = πr² . . . . . where r represents the radius of the circle.

The radius is half the diameter, so will be (50 ft)/2 = 25 ft. And the area of the circle is ...

  A = π(25 ft)² = 625π ft² ≈ 1963.495 ft²

The area of one circle is about 1963.495 square feet.

_____

The total number of circles is 11×7 = 77. Their total area is 77×1963.495 ft² ≈ 151,189 ft². This is 151,189/192,400 ≈ 78.54% of the total area of the rectangle.

6 0
3 years ago
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