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Nutka1998 [239]
3 years ago
13

Rewrite 4/21 and 2/9 so that they have a common denominator, then use <, > or =

Mathematics
2 answers:
Vsevolod [243]3 years ago
5 0
4/21 = 12/63  and 2/9  =  14/63

12/63 < 14/63
Nitella [24]3 years ago
3 0
2 over 3.5


which means... 5.5 


hope it helped!
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4 years ago
David bought a used Dodge Challenger for $14,000. The value of the car depreciates 11% per year from the time he bought the car.
statuscvo [17]

Answer:

V(t) = 14,000(0.89)^t

Step-by-step explanation:

Present value of the Dodge Challenger = $14,000

Present percentage value = 100%

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Future value = V(t)

V(t) = Present value of the Dodge Challenger(Present percentage value - Depreciation value)^t

= 14,000(100% - 11%)^t

= 14,000(89%)^t

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7 0
3 years ago
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Step-by-step explanation:

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4 years ago
Give a counterexample for the statement: 'All square roots are irrational numbers'. Explain your reasoning.
galben [10]
A counterexample for the statement 'All square roots are irrational numbers.' is the square root of 9.  This is because when simplified, the answer is 3.  

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5 0
3 years ago
The equation y ̂=844.697x^2+3723.485x-13,650 models the annual profits of a new business, where x is the number of years since t
julsineya [31]
The answer is $37,923

<span>y = 844.697x^2 + 3723.485x - 13,650
x - number of years
y - the annual profit

If x = 8, the annual profit y is:
y = </span>844.697 * 8^2 + 3723.485 * 8 - 13,650
y = 844.697 * 64 + 29,787.88 - 13,650
y = 54,060.608 + 16,137.88
y = 37,922.728 ≈ 37,923
5 0
4 years ago
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