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tatyana61 [14]
3 years ago
6

there is a room 7 feet x 9 feet you lay a 1-foot wide plank from corner to corner touching all 4 walls how long is the plank

Mathematics
1 answer:
Alex73 [517]3 years ago
5 0

Answer:

Step-by-step explanation:

l^2=[(7-V2)/2]^2+(9-V2/2)^2=

49-7V2+2/4+81-9V2+2/4=

49+81+4/4-16V2=

131-16V2=108.4 ft

so l=V108.4≈10.4ft

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The United States Census collects data on many variables about individuals and households.
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Answer:

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Step-by-step explanation:

Given the following :

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Quantitative variables may be explained as those variables which are represented numerically or possess numerical attributes. The are usually expressed in numbers. Quantitative variables in the options below are those which will take Numeric inputs.

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6 0
3 years ago
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7 0
2 years ago
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Daniel [21]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
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