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denpristay [2]
3 years ago
12

A swimmer completes 8 laps in 1/4 hour. What is the swimmer’s rate per hour ?

Mathematics
2 answers:
Rom4ik [11]3 years ago
8 0
Well if its 8 laps every 1/4, then you would times 8 by four, giving you the answer of 32.
OlgaM077 [116]3 years ago
6 0
Hello there, and thank you for posting your question here on brainly.

You can calculate this by finding out how much 1/4th of an hour is.

1/4 =.25

.25 of 60 is 20.

From here you can multiply 8 by four.

8 * 4 = 24.

The swimmer does 24 laps per hour.

Hope this helped!! ☺♥
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How are rational functions similar to linear, quadratic, or exponential functions? How are they different? When are these simila
jeyben [28]

Answer:

See explanation below for further details.

Step-by-step explanation:

A rational consist of two real numbers such that:

\frac{a}{b} =c

If c is a polynomial with a certain grade, then, both the numerator and the denominator must be also polynomials and the grade of the numerator must be greater than denominator.

If c is linear function, that is, a first order polynomial, then a must be a (n+1)-th polynomial and b must be a n-th polynomial.

Example:

If a = x^{2} and b = x, then:

c = \frac{x^{2}}{x}

c = x

If c is a quadratic function, that is, a second order polynomial, then a must be a (n+1)-th polynomial and b must be a n-th polynomial.

Example

If a = 3\cdot x^{3} and b = x, then:

c = \frac{3\cdot x^{3}}{x}

c = 3\cdot x^{2}

But if c is an exponential, both the numerator and the denominator must be therefore exponential function and grade of each exponential function must different to the other.

Example

If a = 10^{2x} and b = 3\cdot 10^x, then:

c = \frac{10^{2\cdot x}}{3\cdot 10^{x}}

c = \frac{1}{3}\cdot 10^{2\cdot x -x}

c = \frac{1}{3}\cdot 10^x

Otherwise, c would be equal to a constant function, that is, a polynomial with a grade 0.

If a = 5\cdot e^{x} and b = -3\cdot e^{x}, then:

Example

c = \frac{5\cdot e^{x}}{-3\cdot e^{x}}

c = -\frac{5}{3}

It is worth to add that exponential functions can be a linear combination of single exponential function, similar to polynomials.

Example

5\cdot a^2\cdot x -9

7 0
3 years ago
Find y when x=15 if y=6 when x=30
Elan Coil [88]

Answer:


Step-by-step explanation:

the answer would be nine

6 0
3 years ago
What property is this: 3 * 1/3 = 1
Rama09 [41]

Answer:

Inverse property of multiplication

3 0
2 years ago
What is 144/36 simplified?
NARA [144]
144/36 in lowest terms is 4.


To show my work, here.


1. Find the GCF of 144 and 36 so now we divide (144/36 = 4 and 36/36 is 1)

2. Now we have 4/1 so we simplify again so divide 4/1 and its 4
7 0
3 years ago
How many are 1 raised to 5 ???​
Korolek [52]

Answer: 1.

Step-by-step explanation: 1^5 is really just 1, 5 times.

1*1*1*1*=1

6 0
3 years ago
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