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lions [1.4K]
3 years ago
11

Someone please help me with number 16

Mathematics
1 answer:
Step2247 [10]3 years ago
8 0
Answer:
Area of wall = 94 \frac{47}{48} ft

Explanation:
First, we know that:
1 in = 1/12 ft
Therefore, the dimensions of the wall would be as follows:
H = 7 ft 10 in = 7 \frac{10}{12} ft
B1 = 10 ft 2 in = 10 \frac{2}{12} ft
B2 = 14 ft 1 in = 14 \frac{1}{12} ft

For the trapezium, area can be calculated using the following the following formula:
Area of trapezium = Average base * height = \frac{B1 + B2}{2} * height

Substitute with the given to get the area as follows:
Area of wall = ([10 \frac{2}{12} + 14 \frac{1}{12}] / 2) * 7 \frac{10}{12}
Area of wall = 94 \frac{47}{48} ft

Hope this helps :)
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the ratio of men and women in a certain factory is 3 to 4. there are 198 men. How many workers are there?
LUCKY_DIMON [66]

3 men

4 women

7 total


3 men/ 7 total = 198 men/ x total

using cross products

3*x = 7 * 198

divide each side by 3

x = 7*198/3

x = 462

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If you mean 3 men and 1 women for a total of 4 workers when you state a  ratio of men and women in a certain factory is 3 to 4.

3/4 =198/x

Using cross products

3x = 4* 198

Divide each side by 3

3x/3 = 4*198/3

x =264

264 workers


It all depends on how you define ratio of men and women in a certain factory is 3 to 4.   This is incorrect phrasing and I took it to be men to women.   You cannot have a ratio of men and women.




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