The width of the lake on the scale drawing is 12.5m
<h3>Scale drawing</h3>
A scale drawing is an enlargement of an object. Given that the scale drawing of a lake has a scale of 1 cm to 80 m, then;
1cm = 80m
If the actual width of the lake is 1,000 m, then the lake on the scale is as shown;
Lake on the scale = 1000/80
Lake on the scale = 12.5cm
Hence the width of the lake on the scale drawing is 12.5m
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Here are fractions equivalent to 1/4.......2/8, 3/12, 4/16, 5/20, ...
Answer: the answer is 190 to the power of 7
Step-by-step explanation:
so u just have to multiply by 35 and u will get the answer
B. Communitive property of addition
a) The arrangement of 9 paintings can be done 9 ways.
b) The arrangement of the 4 out of 9 paintings will be done as 21 ways.
<h3>What is the combination?</h3>
The arrangement of the different things or numbers in a number of ways is called the combination.
a) Here if she has 9 paintings so the number of the arrangements will be

b) The arrangement of the 4 out of 9 paintings will be

Therefore the arrangement of 9 paintings can be done 9 ways and the arrangement of the 4 out of 9 paintings will be done as 21 ways.
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