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olchik [2.2K]
3 years ago
12

(A) Write an expression that represents Sarah’s total pay last week. Represent her hourly wage with (w)?

Mathematics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

Step-by-step explanation:

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Step-by-step explanation:

The area of a semicircle is

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This is the same as:

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3 years ago
In the diagram below, RA is parallel to ET, and RT is 21 units long. Find the length of ST
pav-90 [236]

Answer:

ST = 12 units

Step-by-step explanation:

As RA is parallel to ET, the angle in R is equal to the angle in T, and the angle in A is equal to the angle in E, so the triangle RAS is similar to the triangle SET.

If RT is 21 units, we have that RS + ST = 21 -> RS = 21 - ST

Using a rule of three with the sides of the triangle (as they are proportional), we have:

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