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WITCHER [35]
3 years ago
7

What's the area of each shaded sectors shown?..I don't understand how to work it out

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
7 0
First use the formula 3.14 times radius squared to figure out the area of each circle.

The figure out the fraction of each circle that is highlighted and find out the area of that percent)
(e. x. 51 degrees out of 360 degrees = 14%      14% of the area of the circle is about 39.4)
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prisoha [69]
D both are right triangles
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2 years ago
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You surveyed 112 students and found out that 14 went to the movies last week-
Cerrena [4.2K]

Answer:

c) 325

Step-by-step explanation:

The fraction of students that went to the movies is 14/112. To find the number of students who went to the movies from a larger group, you have to find a fraction equal to 14/112, whose denominator is 2600 (the number of students from the larger group).

14/112 = x/2600

You can do cross multiplication here. Cross multiplication is multiplying the denominator of one fraction by the numerator of the fraction equivalent to it. That product will be equal to the numerator of the first fraction * denominator of the second fraction.

112*x = 14*2600

x = 325

Approximately 325 students out of 2600 students would've gone to the movie last weekend.

4 0
3 years ago
There are 65 people watching a movie at the theater. If 40% of the costumers purchased refreshments for the movie, how many cust
baherus [9]
Multiply 65 and .4 which will give you the answer of 26.
4 0
2 years ago
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The perimeter of a rectangular field is 84 yards. The ratio of the length to the width is 2:1. What are the length, width and ar
Ivenika [448]

Given:

  • the perimeter of a rectangular field is 84 yards
  • the ratio of the length to the width is 2:1

To find:

  • the length
  • the width
  • the area

Answer:

Let's assume that the length is 2x and the width is 1x.

We know that the formula to find the perimeter of a rectangle is as follows:

Perimeter = 2 × (Length + Width)

Substituting the values that we have, into the formula above,

84 = 2 × (2x + 1x)

84 = 2 × 3x

84/2 = 3x

42 = 3x

x = 42/3

x = 14

Since we know the value of 'x', let's use it to find the length and the width.

Length = 2x = 2 × 14 = 28

Width = 1x = 1 × 14 = 14

Since we now know the length and the width, let's find the area of the rectangle.

The formula to find the area of a rectangle:

Area = Length × Width

Substituting the values we have into the formula,

Area = 28 × 14

Area = 392

Therefore, the area of the rectangle is 392 square yards.

Hope it helps. :)

4 0
3 years ago
A line segment has (three one two zero) endpoints
Masja [62]
A line segment has (three one two zero) endpoints

The answer is 2


4 0
3 years ago
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