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3 years ago

An irregular polygon is shown below:

Mathematics

2 answers:

elena-14-01-66 [18.8K]3 years ago

6 0

4*2=8, 4-2=2, 2*9=18, 18+8= 26
26 is the answer

Gala2k [10]3 years ago

5 0

Answer:

Area of the Irregular polygon is 26 square unit.

Step-by-step explanation:

Given:

A figure of irregular polygon.

We need to find the are of the irregular figure.

We divide the irregular polygon in to rectangles.

Figure is attached with marking.

AG = 4 unit

AD = CB = 2 units

DF = AG - AD = 4 - 2 = 2 units

Area of the Polygon = Area of rectangle ABCD + Area of rectangle DEFG

= AB × CB + FG × DF

= 4 × 2 + 9 × 2

= 8 + 18

= 26 unit²

Therefore, Area of the Irregular polygon is 26 square unit.

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in a choir the ratio of men to woman is 4:7. 25% of the men prefer classical songs, and 80% of the women prefer classical songs.

Paraphin [41]

Answer:

60%

Step-by-step explanation:

percentage of men in the choir = (4/11) x 100 = 36.4%

percentage of women in the choir = (7/11) x 100 = 63.6%

Percentage of men in the choir that prefer classical songs = 36.4 x0.25 = 9.1%

Percentage of women in the choir that prefer classical songs = 0.8 x 63.6% = 50.9%

percentage of the choir prefer classical songs = 50.9% + 9.1% = 60%

4 0

3 years ago

x= 1, 2, 3, 4, 5. y=11\4, 25\4, 39\4, 53\4, 67\4. what equation relates y to x in the values x and y?

larisa86 [58]

(1,11/4)(2,25/4)
slope = (25/4 - 11/4) / (2 - 1) = (14/4) / 1 = 14/4 = 7/2

y = mx + b
slope(m) = 7/2
(1,11/4)...x = 1 and y = 11/4
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11/4 = 7/2(1) + b
11/4 = 7/2 + b
11/4 - 7/2 = b
11/4 - 14/4 = b
-3/4 = b

so ur equation is : y = 7/2x - 3/4

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