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m_a_m_a [10]
3 years ago
8

Going down the river a boat went 12 km/h. Going up the river it only went 2 km/h. What is the speed of the current? How fast wou

ld the boat go if there were no current?
Mathematics
1 answer:
Anna007 [38]3 years ago
5 0

Answer:

try 10 km/h as the base speed

Step-by-step explanation:


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fredd [130]

Answer:

Can you give more information?

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2 years ago
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The Mayors of two small towns that adjoin a large community have engaged in an argument on which of their cities is safer, with
Lelu [443]

Answer:

1. City A: 150 violent crimes per 100,000 residents.

   City B: 161 violent crimes per 100,000 residents.

2. City A

Step-by-step explanation:

City A:

Population = 123,000

Violent crimes = 185

Violent crimes per 100,000 people:

V_{100k} = \frac{185*100,000}{123,000} \\V_{100k} = 150

City B:

Population = 84,000

Violent crimes = 135

Violent crimes per 100,000 people:

V_{100k} = \frac{135*100,000}{84,000} \\V_{100k} = 161

1. City A: 150 violent crimes per 100,000 residents.

   City B: 161 violent crimes per 100,000 residents.

2. Even though it has a bigger number of crimes, City A has the lowest crime rate since its population is larger.

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3 years ago
The average annual salary of the employees of a company in the year 2005 was $70,000. It increased by the same factor each year
dezoksy [38]
We can make use of the general formula for the geometric series to generate the function representing the average annual salary.
an = a0(r)^(n-1)

Or
f(x) = a0(r)^(x - 1)

Plugging in the given values for the year 2005 and 2006 to ge the value of r.
82000 = 70000 (r)^(1-1)
r = 1.1714

Therefore, the function is:
f(x) = 70,000 (1.1714)^(x-1)
3 0
3 years ago
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Rachel made 28 hats. Rachel made 7 times as many hats as Greg. Let n be the number of hats that Greg made.
il63 [147K]

Answer:

28/7=n is what I believe would be the answer

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3 years ago
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Find the product. write your answer in exponential form 9²•9-⁶​
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9^8

Step-by-step explanation:

9²•9⁶​ = 9^(2+6) = 9^8

3 0
2 years ago
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