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Ludmilka [50]
4 years ago
6

You need to order carpet for a room that has a length that is twice its width. if the area of the room is 128 ft 2, find the wid

th of the room.
Mathematics
1 answer:
Setler [38]4 years ago
8 0
A = L * W
L = 2W
A = 128

128 = 2W * W
128 = 2W^2
128/2 = W^2
64 = W^2
sqrt 64 = W
8 = W <== width

L = 2W
L = 2(8)
L = 16 <== length
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3 years ago
In a certain​ lottery, you must select 5 numbers​ (in any​ order) out of 26 correctly to win. a. How many ways can 5 numbers be
Step2247 [10]

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a. 7893600

b.\ \dfrac{1}{26}

Step-by-step explanation:

Given that there are 26 numbers out of which 5 numbers are to be chosen.

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a. Total number of possibilities = 26 \times25 \times24 \times23 \times22 = <em>7893600</em>

b. Probability of winning by choosing one number:

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4 years ago
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