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7nadin3 [17]
3 years ago
10

A building 84 ft high casts a 231-ft shadow. Sarah casts an 11-ft shadow. The triangle formed by the building and its shadow is

similar to the triangle formed by Sarah and her shadow. How tall is Sarah?
Mathematics
1 answer:
julia-pushkina [17]3 years ago
3 0

Answer:

Sarah is 4 ft tall.

Step-by-step explanation:

231÷84= 2.75

11 ft ÷ 2.75 = <u>4 ft</u>

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In a theater, there are 4 long rows of chairs,each with an equal number of chairs There are 5 ahort rows of chairs,each with an
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<span>There are 4 long rows and 5 short rows in the theater. x represents the number of chairs in each long row and y represents the number of chairs in each short row.

So, total number of chairs in 4 long rows= 4x
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Total number of chairs in the theater on a normal day = 4x + 5y

When 2 chairs are added to each long row, the number of chairs will change to (x+2).
So, total number of chairs in 4 long rows will be = 4(x+2)

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Thus, total number of chairs in the theater in rush day = 4(x+2) + 5(y+3)
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7 0
3 years ago
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What is the simplified form of the following expression?
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7 0
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