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eimsori [14]
3 years ago
13

Tony buys a CD that is priced at $13.59. He has a coupon for $1.85 off. He pays with a $20 bill. Which is the best whole number

estimate of how much change he gets? $8
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
3 0
No he would get back $4.56. Start with $20 -13.59-1.85=4.56
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Read 2 more answers
Can someone help me please
schepotkina [342]

Answer:

∠B=60°

Step-by-step explanation:

In this right traingle, using angle B, you have the opposite side which is 6√102, and the adjacent side which is 6√34. Using SOHCAHTOA this invlolves TOA so tangent B = OPPOSITE/ADJACENT or tan B = 6√102/6√34. Simplifying gives tan B=√3. You can use your calculator to solve for B by taking the inverse tangent of √3 or you can use the known trig ratios from the unit circle if you have already learned that to find that  angle B is 60°

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2 years ago
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MArishka [77]

Step-by-step explanation:

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{x}^{2}  - 110x + 2800 \\  =  {x}^{2}  - 40x - 70x + 2800  \\  = x(x - 40) - 70(x - 40) \\  = (x - 40)(x - 70)

Since the width is

x - 40 \: (feet)

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