Some pleated draperies must be twice as wide as the window they cover. how many square yards of material are needed to cover thi
2 answers:
Answer:
Option C is correct.
square yards
Step-by-step explanation:
Use conversion:
1 ft = 3 yards.
As per the statement:
Some pleated draperies must be twice as wide as the window they cover.
it is also given that window 2 ft. wide and 3 ft. long
The draperies must be 4 ft wide = yard (twice the window width) and 1 yards long
Area of material needed to cover the window=
where w is the wide and l is the length respectively.
then;
Area of material needed to cover the window = square yards.
Therefore, square yards of material are needed to cover this kind of window 2 ft. wide and 3 ft. long.
.
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we have 630 one-inch unit cubes and we want to completely fill the rectangular box (unknown dimensions).
If all the cubes are fitted tightly inside rectangular box without living any space, then box volume would be equal to cubes volume.
There are 630 one-inch unit cubes, so volume of cubes = 630 cubic inches.
Now the volume of rectangular box would also be 630 cubic inches.
We know the formula for volume of rectangular box = length × width × height.
So we need to find any three positive integers whose product is 630.
Out of all given choices, only option A satisfies the condition of factors of 630.
Hence, option A i.e. (7 in x 9 in x 10 in) is the final answer.
