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Dmitriy789 [7]
2 years ago
15

John runs a computer software store. Yesterday he counted 127 people who walked by his store, 58 of whom came into the store. Of

the 58, only 25 bought something in the store. Estimate the probability that a person who walks by the store will enter the store (put your answer as a fraction).
Mathematics
1 answer:
Delicious77 [7]2 years ago
3 0
The answer is 3/4. All you need to do is make proportion and simplify! Hope it helps! 
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Luda [366]

g (f(-3)) = -6 is your answer

4 0
3 years ago
The equation of a circle is (x + 4)2 + (y + 6)2 = 16. Determine the length of the radius.
faust18 [17]
R^2=16
Therefore R=4
7 0
3 years ago
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What is the unit rate and rate of 36 customers in 30 days
ruslelena [56]
36 customers/30 days = 1.2 customers per day

30 days / 36 customers = 5/6 day per customer
5 0
3 years ago
20 pointss please help I appreciate it <333
ivanzaharov [21]

Answer:

DE = 7.07 RS = 11.04 not congruent

Step-by-step explanation:

Formula:

d=\sqrt{(x2-x1)^2 + (y2-y1)^2}

D (5,0) E (0,-5)

DE

d=\sqrt{(0-5)^2 + ( -5 - 0)^2}

d=\sqrt{(-5)^2 + (-5)^2}

d=\sqrt{25+25}

d=\sqrt{50}

d= 7.07

R (-5,-5) S (6,-6)

RS

d=\sqrt{(6-(-5))^2 + (-6 - (-5))^2 }

d=\sqrt{11^2 + (-1)^2}

d=\sqrt{121 + 1}

d=\sqrt{122}

d= 11.04

3 0
2 years ago
Rita makes and sells necklaces. The materials to make each necklace cost $2.75. Last week she made 8 necklaces and wants to make
Lisa [10]

9514 1404 393

Answer:

  The equation should be 8 (x minus 2.75) = 78, and she needs to sell each necklace for $12.50.

Step-by-step explanation:

The contribution margin of each necklace is the difference between its selling price (x) and its cost (2.75). Then the total profit from 8 necklaces would be ...

  8(x -2.75)

If Rita wants that profit to be $78, then she needs to solve the equation ...

  8(x -2.75) = 78 . . . . correct equation

The solution is ...

  x -2.75 = 9.75 . . . . divide by 8

  x = 12.50 . . . . . . . . add 2.75

She needs to sell each necklace for $12.50.

4 0
3 years ago
Read 2 more answers
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