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VMariaS [17]
3 years ago
6

Apples cost $0.95 per pound and bananas cost $1.10 per pound. Brian bought a total of 10 pounds of apples and bananas for $9.95.

Write a system to represent the situation
Mathematics
1 answer:
Nookie1986 [14]3 years ago
4 0
A=apples
b=bananas

a+b=10
a*0.95+b*1.10=9.95
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F(t)=30(0.97)∧t <br><br> = rate of change
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<span>Hey there, Lets solve this together.  

</span>F(t)=30(0.97)^t 

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<span>The variable (R) will be representing the rate as a decimal. 

When you solve for (R) multiply by 100 to get the percentage. A percentage is </span><span>a rate, number, or amount in each hundred. 

</span><span>"0.97" will be replaced by "(97/100)"
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<span>Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the given equation  
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Ft-((30))97/100) * t) = 0 

Rewrite the whole as a fraction using  10 <span> as the denominator : 
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The equation now takes the shape :
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<span><span> f = 291/10 = 29.100

</span> t = 0</span>


<span>Positive = Growth 

Negative = Decay  
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</span>1 + r = .97 
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</span>r = -0.03 <span> 
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enot [183]

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