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OlgaM077 [116]
3 years ago
5

In a (blank) , one ratio compares a part to a whole

Mathematics
1 answer:
cluponka [151]3 years ago
3 0
I think it is a rate?           

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The value of a certain car, in dollars, x years from its model year can be predicted by the function f(x)=12,000(0.89)x . The va
scZoUnD [109]
An exponential decay function is:

f=ir^t, f=final amount, i=initial amount, r=common ratio, t=number of times ratio is applied...We can see the initial value is 17000 so all we really have to find is the common ratio, or "rate" as some call it :P  If we look at the second point, when t=1 we can see:

14280=17000r

r=357/425

r=0.84

So in five years the SUV will be worth more than the car by:

17000(0.84^5)-12000(0.89^5)

$408.73  (to the nearest cent)
5 0
2 years ago
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Khan uses 78 feet of fence to make a rectangular pen for his pet rabbit. The length of the pen is 25 feet. What is the width of
Anna35 [415]
The width of the rectangular pen is equal to 14 feet.
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2 years ago
Write an equation of the line in slope-intercept form that passes through the point (3, 8) with slope 4?
iren [92.7K]
Slope intercept form:
Y = mx + b
m = slope, b = y intercept
Given the slope of 4
Y = 4x + b
Plug in the point (3,8)
8 = 4(3) + b
8 = 12 + b, b = -4
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Solution: y = 4x - 4
8 0
2 years ago
How do I do this.?.?.
viktelen [127]
108 = ( x)(48-x)
108 = 48x - x^2
48x -x^2 -108 = 0

I'm assuming you're doing solve the square right now, so you should be able to do the rest.
3 0
3 years ago
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Estimate the sum <br><br> 1.37 + 0.9
guajiro [1.7K]

1.37 + 0.9\\\\\\=\dfrac{137}{100} + \dfrac{9}{10}\\\\\\=\dfrac{137}{100}+\dfrac{90}{100}\\\\\\=\dfrac{137+90}{100}\\\\\\=\dfrac{227}{100}\\\\\\=2.27

8 0
2 years ago
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