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Setler [38]
3 years ago
11

9/10 times a number plus 6 is 51

Mathematics
2 answers:
mojhsa [17]3 years ago
6 0

9/10 times a number plus 6 is 51

n= 50

goldenfox [79]3 years ago
5 0
9/10n + 6 = 51
9/10n = 51 - 6
9/10n = 45
n = 45 * 10/9
n = 450/9
n = 50
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lapo4ka [179]

Answer:

The range of the number of people that are satisfied is option A. 46,968 to 51,912 customers.

Step-by-step explanation:

Hi, to solve this problem you need to calculate the total number of customers that are pleased with the service, based on the 150 people sample.

so:

(72,000 x 103 )÷150 = 49,440

The next step is to calculate the 5% margin of error of that result.

49,440 x 0.05= 2,472

Finally, to obtain the range you need to add and subtract the margin to the total number of customers that are pleased with the service.

49,440-2,472= 46,968

49,440 + 2,472=51,912

So, the range of the number of people that are satisfied is option A. 46,968 to 51,912 customers.

8 0
2 years ago
The waiter makes $10 per hour plus $65 in tips. He wants to earn AT LEAST $150. How many hours should he work?
Maksim231197 [3]
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2 years ago
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Nostrana [21]
The area of the trapezoid is calculated through the equation,
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3 years ago
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Answer:

Step-by-step explanation:

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4 0
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Alona [7]

Answer:

So the correct option is X squared -3 X +40

Step-by-step explanation:

If a polynomial has roots x=8 and x=-5, then we know that the factorized form is:

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So, to find the polynomial we need to expand the polynomials:

(x-8)(x+5) = (x^2 +5x - 8x + 40) = x^2 -3x + 40

5 0
2 years ago
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