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IrinaK [193]
3 years ago
10

The equation y = 26.2x represents the number of miles y Conrad runs in x marathons. Determine if there is a constant of variatio

n. If so, explain what it represents.
Mathematics
1 answer:
WARRIOR [948]3 years ago
8 0

Answer:

Yes, there is a constant of variation

Step-by-step explanation:

Let's see, we have a linear equation that is as follows:

<em>y = 26.2 * x. </em>

The first thing is to say that there is a constant of variation and it is the constant number of the equation, that is 26.2. And second to mention that it is the reason (or quantity, whether proportional or direct) for which the input data (i.e. x) and the output data (i.e. y) vary.

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A certain radioactive material decays in such a way that the mass in kilograms remaining after t years is given by the function
Angelina_Jolie [31]

The mass of radioactive material remaining after 50 years would be 48.79 kilograms

<h3>How to determine the amount</h3>

It is important to note that half - life is the time it takes for the amount of a substance to reduce by half its original size.

Given the radioactive decay formula as

m(t)=120e−0.018t

Where

t= 50 years

m(t) is the remaining amount

Substitute the value of t

m(t) = 120e^-^0^.^0^1^8^(^5^0^)

m(t) = 120e^-^0^.^9

Find the exponential value

m(t) = 48.788399

m(t) = 48.79 kilograms to 2 decimal places

Thus, the mass of radioactive material remaining after 50 years would be 48.79 kilograms

Learn more about half-life here:

brainly.com/question/26148784

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7 0
1 year ago
Elena has more roses than Lin. Lin has 8 roses and Elena has x roses. Which expression represents the number of roses Elena has?
yanalaym [24]
Excess greater than or equal to eight
5 0
2 years ago
In ABC triangle AC=8, AB=5 and BC=6, AK=1. Find BK
In-s [12.5K]

Answer:

Bk=100

I' hope it's helpful for you

4 0
2 years ago
PLEASE SOLVE!!!! ASAP!!!! Thanks<br><br> 2[(∛8)²+1/8*16]
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2[(∛8)²+1/8*16]

(∛8)² = (∛8) x (∛8) = (∛64) = 4
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6 0
3 years ago
A car moving at a constant speed passed a timing device at t=0. After 9 ​seconds, the car has traveled 837 ft. Write a linear fu
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Answer:

at t=0 the car has moved 0 feet, also you know it has a constant speed so you get the points:

P1:(0,0) therefore you know b, the y-intercept=0

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840/8=m

105=m

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Step-by-step explanation:

7 0
2 years ago
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