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Nadusha1986 [10]
3 years ago
9

In a class of 32 students, 4 have birthdays in October.What percent have October birthdays

Mathematics
1 answer:
natta225 [31]3 years ago
3 0

Answer:

12.5% of students

Step-by-step explanation:

To find this you would divide 4 by 32 (4/32) and get 0.125. To find a percent, you multiply by 100 and get 12.5%

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1. What is the Radius? 2. What is the Circumference? (Round to nearest tenth) 3. What is the measure of central angle CEF?
natulia [17]
Radius is 12. circumference is equal to 24*pi. Angle CFE is equal to 140.
6 0
3 years ago
A seat on a Ferris wheel is level with the center of the wheel. The diameter of the wheel is 210 feet (ft). If the wheel
frutty [35]

Answer:

The change in the height of the seat of the Ferris wheel is a reduction in height of approximately 74.25 feet

Step-by-step explanation:

The given information are;

The position of the seat on the Ferris wheel = The center level of the wheel

The diameter of the Ferris wheel = 210 feet

The angle of rotation of the wheel = 45° counterclockwise

The height of a point on the Ferris wheel is given by the relation;

h = A·cos(b·x + c) + d

With regards to the question, we have;

h = The height of the seat of the Ferris wheel

A = The amplitude = 1/2 × The diameter of the wheel = 210/2 = 105 feet

360/b = The period

c = The phase shift = 90°

d = The mid line = 0

For a rotation of 45° counterclockwise or-45° clockwise, we have;

b·x = 45°, therefore;

h  = 105 × cos(45° + 90°) + 0 = 105 × cos(135°) + 0

h = 105 × cos(135°) ≈ -74.25 feet

Therefore, the height of the seat of the Ferris wheel reduces by 74.246 feet.

6 0
3 years ago
Which one is the greatest?
vodomira [7]

3.674234614 is the greatest

8 0
3 years ago
Read 2 more answers
Translate the following phrase into an expression:The difference between 20 and twice of a number twice of a number
Vitek1552 [10]

Answer: probably D

In math difference means subtraction

Step-by-step explanation:

7 0
3 years ago
A group of twelve people paid a tootle of 50 for admission if 8 of them were children how many were grouped as adults and how ma
Scrat [10]
8 children   ($4 x 8 = $32)
2 adults   ($6 x 2 = $12)
2 senior citizens ($3 x 2 = $6)

32+12+6 = 50






8 0
3 years ago
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