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valkas [14]
2 years ago
10

Select the set of equations that is NOT equivalent to 8k = 20

Mathematics
1 answer:
Elden [556K]2 years ago
6 0
You forgot to add the equations. Maybe this will help you: 8k = 20 Simplifies to 2.5. Solve the other equations and compare answers until you find the wrong one.
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Create your own real-world example of a relation that is a function. Domain: The set of Range: The set of
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Answer:

C(t)=5000 -10t

Step-by-step explanation:

There are many examples in the real world of relationships that are functions.

For example, imagine a tank full of water with a capacity of 5000 liters, this tank has a small hole, by which 10 liters of water are lost every hour.

If we call C the amount of water in the tank as a function of time, then we can write the following equation for C:

C(t)=C_{0}-at\\

Where:

C (t): Amount of water in the tank as a function of time

C_{0}: Initial amount of water in the tank at time t = 0

a: amount of water lost per hour

t: time in hours

Then the equation is:

C(t)=5000 -10t

The graph of C (t) is a line of negative slope. This relation is a function since for each value of t there is a single value of C.

Its domain is the set of all positive real numbers t between [0,500]

Because the time count starts at t = 0 when the tank is full and ends at t = 500 when empty

Its Range is the set of all positive real numbers C between [0,5000] Because the amount of water in the tank can never be less than zero or greater than 5000Litres

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Answer:

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Point B has coordinate B(1, –1). What is the coordinate of B' under a scale factor of 3?
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Answer:

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Step-by-step explanation:

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