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Rus_ich [418]
3 years ago
6

A formula to find the frequency, f, of a cyclic phenomena based on the period, T, is

Mathematics
1 answer:
jarptica [38.1K]3 years ago
8 0

Step-by-step explanation:

The frequency and the time period is related by the formula as follows :

f=\dfrac{1}{T}

Here, f is frequency and T is time period

Now, we need to solve T in terms of f.

Firstly, cross multiplying the above equation,

f\times T=1

Now dividing both sides by T.

\dfrac{f\times T}{T}=\dfrac{1}{T}\\\\f=\dfrac{1}{T}

Hence, this is the required solution.

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Harry took a loan from the bank.
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Answer:

The size of Harry's loan is $9000.

Step-by-step explanation:

D(t) models Harry's remaining debt, in dollars, as a function of time t, in months  that is given by :

D(t) =-200t+ 9000

We can see 200 is in negative that means it is getting deducted from the function. So, Harry must be paying this each month against his loan.

Lets put t = 0, that shows no payments have been made.

This will get the amount of loan, before any payments.

D(t)=-200(0)+9000

So,D(t) =9000

Hence, the size of Harry's loan is $9000.

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A pump takes 12 minutes to add 3000 litres of water to a pond.
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Answer:

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3 years ago
11B. Long Beach Towing Company charges $40 plus $5 per mile to
gavmur [86]

Answer:

The charges will be the same after 10 miles.

Step-by-step explanation:

Long Beach Towing Company:

Charges $40 plus $5 per mile. So after x miles, the charge will be of:

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Five-Star Towing Company:

Chargers of $70 plus $2 per mile. So after x miles, the charge will be of:

F(x) = 70 + 2x

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This is x for which:

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So

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5x - 2x = 70 - 40

3x = 30

x = \frac{30}{3}

x = 10

The charges will be the same after 10 miles.

5 0
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What is the d/dx tan^3x
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