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mr Goodwill [35]
3 years ago
9

A pair of shoes is on sale for 32$. The original price was $48. What is the percentage decrease in this price?

Mathematics
2 answers:
Licemer1 [7]3 years ago
6 0
The decrease rate is 33.3%
Solution : 32$ on sale , original price is 48%
The deceased rate is x
48 (1-X)=32
x= 0.333
Dvinal [7]3 years ago
6 0
C.33
For questions that deal with tax or percentage decrease, multiply the original number by the options given too you like this 48x.16/48x.33/48.66 and so on so forth and subtract the amount you get from those from the original problem
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3

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The population, P in thousands of a resort community is shown by
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Answer:

t ≤ 4.24

Step-by-step explanation:

P(t) ≥ 40000 implies

500t/(2t²+9) ≥ 40000

Multiplying through by t², we have

500t ≥ 40000(2t²+9)

500t/40000 ≥ 2t²+9

Collecting like terms

0.0125t  ≥ 2t²+9

0  ≥ 2t²+ 9 - 0.0125t

2t²+ 9 - 0.0125t  ≤ 0

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Using the quadratic formula,

t = \frac{-(-0.0125) +/-\sqrt{(-.0125)^{2} - 4 X 2 X 9} }{2 X 2} \\=  \frac{0.0125 +/-\sqrt{(0.00015625 - 288} }{4}\\=  \frac{0.0125 +/-\sqrt{-287.9998} }{4}\\= \frac{0.0125 +/-16.97i }{4}\\=0.00313 + 4.24i or 0.00313 - 4.24i

The factors of the equation are (t - 0.00313 -4.24i) and (t - 0.00313 + 4.24i)

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(t - 0.00313)² - 4.24² ≤ 0

(t - 0.00313)² ≤ 4.24²

taking square-root of both sides,

√(t - 0.00313)² ≤ √4.24²  

t - 0.00313 ≤ 4.24

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t ≤ 4.24

6 0
3 years ago
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mihalych1998 [28]

Answer:

X represents the number of product so 3 cause you have 2 pastas and 1 cheese. The length represents the total cost. I think 3 would represent cost? I'm not totally sure on that one. Hope this helps!

Step-by-step explanation:

7 0
3 years ago
3. During the past month, 900 trucks were sold. Richie sold four times as many as Dante. How many
Aneli [31]

Answer:

Step-by-step explanation:

let x = how many joe sold

let 4x = how many abe sold

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hat means Abe sold 720 trucks

finally, let's check our answer to make sure the total is 900

180 + 720 = 900

our answer is right

7 0
3 years ago
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