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Blababa [14]
3 years ago
7

I NEED ANSWER ASAP !!!

Mathematics
1 answer:
aivan3 [116]3 years ago
4 0

Answer:

5

Step-by-step explanation:

3+2x=5x

3=3x

x=1

PR=5

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A retailer who sells backpacks estimates that by selling them for x dollars each, she will be able to sell 100−x backpacks each
zvonat [6]

Answer:

x = 50

R = $2500

Step-by-step explanation:

Given in the question a quadratic equation,

−x² + 100x

To find the selling price, x, which will give highest revenue, y, we will find maximum value of parabola curve −x² + 100x

The value of -b/2a tells you the value x of the vertex of the function

−x² + 100x

here a = -1

        b = 100

Selling price = -(100)/2(-1)

                    =   50

 

R = −(50)² + 100(50)

  = 2500

8 0
3 years ago
Assume that random guesses are made for nine multiple choice questions on an SAT​ test, so that there are nequals9 ​trials, each
Marina86 [1]

Answer:  Find the probability that the number x of correct answers is fewer than 4 = 0.6087

Step-by-step explanation: Please find the attached files for the solution

6 0
2 years ago
Me please I don’t understand
irakobra [83]
9 + 4 = 13

She is 13 floors away
8 0
2 years ago
Read 2 more answers
Damian went shopping for a new pair of sneakers. Sales tax where he lives is 5.5%. The price of the pair of sneakers is $48. Fin
mars1129 [50]
Final price including tax: $50.64
5 0
2 years ago
In 2010 a family membership in a country club cost $18,000 if this cost increased $475 each year since 2010, then how much will
kvasek [131]

Answer:

21,800

Step-by-step explanation:

Because 475 x 8 equals 3800 you add 3800 to 18,000 and get 21,800

4 0
2 years ago
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