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LenaWriter [7]
4 years ago
15

How do you turn these in to an inequality

Mathematics
1 answer:
Kaylis [27]4 years ago
7 0
Hope this helps.
Sorry for my bad handwriting.

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A survey about phone service has a margin of error of 5%. Out of 150 people surveyed, 103 said that they were pleased with their
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
3 years ago
Please help i’ll give brainliest if you give me a correct answer and show your work thanks !
Readme [11.4K]

Answer:

1. 56.7

2. 0.088

Step-by-step explanation:

1.35x4.2=56.7

0.4x0.22=0.088

8 0
3 years ago
Help please. Math and giving 30 points.
vovangra [49]

The simplified form of the given expression is -18. The correct option is the third option-  -18

<h3>Simplifying an expression</h3>

From the question, we are to simplify

|3-10| - (12 ÷ 4 + 2)²

Simplifying

|3-10| - (12 ÷ 4 + 2)²

|-7| - (3 + 2)²

7 - (5)²

7 - 25

= -18

Hence, the simplified form of the given expression is -18. The correct option is the third option-  -18

Learn more on Simplifying an expression here: brainly.com/question/24128186

#SPJ1

4 0
2 years ago
3.5x - 11 = 20.5 what does x equal?
stepan [7]

Answer:

x=9

Step-by-step explanation:

3.5x - 11 = 20.5

Add 11 to each side

3.5x - 11+11 = 20.5+11

3.5x = 31.5

Divide each side by 3.5x

3.5x/3.5 = 31.5/3.5

x =9

7 0
3 years ago
Read 2 more answers
Just looking for a boy bsf (less than 14) also im friking bored :|
Anettt [7]

Answer:

I am bored too

Step-by-step explanation:

Go to school, sit down, and you will come to find the answer

7 0
3 years ago
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