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BARSIC [14]
3 years ago
8

George bought a broken bicycle. He repaired it and sold it for $85. This was $20 more than twice what he paid for it. What was t

he original cost of the bicycle?
Mathematics
1 answer:
bonufazy [111]3 years ago
6 0
The answer is 22.50 dollars.
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Write the decimal values of the digits given in bold : 0.437
kirill115 [55]

Answer:

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6 0
3 years ago
-2 with a exponent six
DIA [1.3K]
-2^{6} 

 =  -2 with a exponent six
Well Exponents mean that you multiply the number 6 times. 
Soo..
-2^{6} = -2 x -2 x -2 x -2 x -2 x -2 = 64 

So <span>-2^{6} = 64 
</span>
Good Luck! :)

5 0
3 years ago
Read 2 more answers
Can someone help me please
fredd [130]
The answer to that is C.
6 0
3 years ago
The quantity demanded x for a product is inversely proportional to the cube of the price p for p &gt; 1. When the price is $10 p
LenaWriter [7]
Q(p) = k/p^3 . . . . . . . . we want to find k
q(10) = k/10^3 = 64
k = 64,000

Revenue = q(p)*p = 64000/p^2
Cost = 150 +2q = 150 +2*64000/p^3

Profit = Revenue -Cost = 64000/p^2(1 -2/p) -150

Differentiating to find the maximum profit, we have
.. dProfit/dp = -2(64000/p^3) +6(64000/p^4) = 0
.. -1 +3/p = 0
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A price of $3 per unit will yield a maximum profit.

7 0
3 years ago
Solve 2cos^2x + cosx − 1 = 0 for x over the interval [0, 2 π ).
alina1380 [7]
Let cos x = a, then
2a^2 + a - 1 = 0,
solving the quadratic equation, we have:
a = 0.5 or -1.

i.e. cos x = 0.5 or cos x = -1
for cos x = 0.5,
x = pi/3, 2pi - pi/3 = pi/3, 5pi/3

for cos x = -1,
x = pi

therefore, x = pi, pi/3, 5pi/3
Answer: B
6 0
3 years ago
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