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andrew-mc [135]
4 years ago
13

Solve for x. Assume that lines which appear tangent are tangent.

Mathematics
1 answer:
NeX [460]4 years ago
8 0

Answer:

x=2

Step-by-step explanation:

The angle formed by two tangents intersecting outside of  a circle is half the difference of the intercepted arcs.

This implies that:

55=\frac{1}{2}(116x+3-(180-55))

We need to simplify this ad solve for x to get:

110=(116x+3-125)

Group the similar terms to  get:

110-3+125=116x

232=116x

Divide by 116 to get:

x=2

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Sonja [21]

Answer:

minutes at daytime rate: 3.00

minutes at nighttime rate: $2.70

total cost of call: $8.55

Step-by-step explanation:

split up the hours so you have the 5 cent charge per minute for 1 hour and you have the 3 cents a minute for an hour and a half after 8.

multiply 5 cents a minute by 60 to get the amount of money for the first hour($3.00),

next multiply 3cents a minute by an hour and a half (90 minutes) to get $2.70

next add the money together to get $5.70 and multiply that by 1.5 to get $8.55

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3 years ago
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A town has a population of 14000. It grows 2.5% a year. What will the population be after 5 years (round to the nearest whole nu
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Answer:

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6 0
4 years ago
Suppose the population of a certain city is 4164 thousand. It is expected to decrease to 3460 thousand in 50 years. Find the per
lilavasa [31]

Answer:

16.9%

Step-by-step explanation:

Given data

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Hence the decrease is 16.9%

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3 years ago
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