Answer:
The speed of the boat in still water u = 8
Step-by-step explanation:
Let speed of the boat = u
Speed of the current = v = 4
Given that the first boat to travel 3 miles upstream and back in a total 1 hour.
So
Since v = 4
By solving above equation
u = 8 , - 2
Since u = -2 is not valid.
⇒ u = 8
This is the speed of the boat in still water.
An exponential function is such that it involves the input to be present as an exponent (power) of some constant. The growth rate is n%, while the Initial Amount is 312.
<h3>What are exponential functions?</h3>
When the expression of function is such that it involves the input to be present as an exponent (power) of some constant, then such function is called exponential function. Their usual form is specified below. They are written in several such equivalent forms.
Given the exponential equation y = 312(1.13)ⁿ, therefore, the growth rate is n%, while the Initial Amount is 312.
Learn more about Exponential Function:
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Answer:
The zeros of given expression is -1, and
Step-by-step explanation:
Given expresssion is
To find zeros of given expression we have to equate the expression to zero.
ie.,
By using synthetic division
-1 | 1 3 6 4
| 0 -1 -2 -4
|________________
1 2 4 0
Therefore (x+1) is a zero
Now the quadratic equation is
For quadratic equation we have
Here a=1 ,b=2 and c=4 now substitute the values
where
Therefore and
Therefore the zeros are -1, and
Answer:
6/2
Step-by-step explanation:
Given that weekly salary of Kelly Kackson is 412$ and new annual salary of Kelly Jackson is $24,388.00 .That means Kelly Jackson earns 24388$ per 1 year in the new position.
To find weekly salary in the new position, we have to divide annual salary in new position with "total number of weeks in a year".
Since 1 year = 52 weeks.
Weekly salary =
Hence weekly salary of Kelly Jackson in new position is $469.