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g100num [7]
3 years ago
8

Pls help help help 11 points also this is mobymax

Mathematics
1 answer:
Irina18 [472]3 years ago
4 0

Answer: 18 + 6a + 6b

Step-by-step explanation:

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The radius of circle M would be 5 millimeters.

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Hoang has worked as a nurse at Springfield General Hospital for 5 years longer than her friend Bill Two years ago she has been a
satela [25.4K]

Answer:

Hoang has been at the hospital for 12 years while Bill has worked for 7 years.

Step-by-step explanation:

Let the years Hoang has worked as a nurse equal h and let the years Bill has worked as a nurse equal b.

Since Hoang has worked 5 years longer, h is five more than b:

h = b + 5

Now we move onto the situation 2 years ago. 2 years ago, Hoang had worked at the hospital two less than h or h-2 years while Bill has worked for b-2 which is two years less than b. We are also told that at the time, Hoang worked twice as longs, so

h - 2 = 2(b - 2)

This can be simplified:

h - 2 = 2b - 4

h = 2b - 2

We can use substitution. Since h = b + 5 and h = 2b - 2,

b + 5 = 2b - 2

b = 7

Therefore, since Hoang has worked five more years, h = 12. So, Hoang has been at the hospital for 12 years while Bill has worked for 7 years.

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2 years ago
sara expected to spend $40 at the movies. she ended up spending $35.75. what was her percent of error
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