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alukav5142 [94]
2 years ago
6

Find the value of x ​

Mathematics
1 answer:
MatroZZZ [7]2 years ago
8 0
The answer is 76
If this answered help you then please consider marking it as brainliest to help me level up to expert
You might be interested in
A local company wants to evaluate their quality of service by surveying their customers.
stich3 [128]

Answer: b. 0.98

Step-by-step explanation:

The formula to find the maximum error of the estimated mean :

E=z^*\dfrac{\sigma}{\sqrt{n}}            (1)

, where \sigma = standard deviation

n= Sample size

z* = Critical z-value.

As per given , we have

\sigma=5

n=100

Critical value for 95% confidence interval = z*=1.96

Put these values in the formula (1), we get

E=(1.96)\dfrac{5}{\sqrt{100}}

E=(1.96)\dfrac{5}{10}=0.98

Hence, the maximum error of the estimated mean quality for a 95% level of confidence is 0.98.

Therefore , the correct answer is b. 0.98 .

6 0
3 years ago
Read 2 more answers
Subtract fifteen and eighty-eight ten thousandths from twenty-six. Express your answer in numerical and word form.
Arlecino [84]

Answer:

4.9912 or four and nine thousand nine hundred twelve thousandths

Step-by-step explanation:

6 0
3 years ago
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Meghan made $458 in her last paycheck. If she would like to save at least $175 of it, how much can she spend?
Olenka [21]

Answer: $283

Step-by-step explanation:

If you subtract 458-175 you get 283 so that how much Megan can spend.

3 0
3 years ago
Does anyone know this?
shusha [124]
The answer will be t=2.50g I think
8 0
2 years ago
Read 2 more answers
FOR BRAINLIST ANSWER AND 10 POINTS ANSWER ALL PLZ !!!!!
igor_vitrenko [27]
<h2>Greetings!</h2>

A)

<h3>If you can see, every 4 minutes the amount of water is increasing at a constant rate. </h3>

197 - 153 = 44

285 - 241 = 44

<h3>This means that at 8 minutes, because there is 153 gallons already in, we can divide 8 by 4 to see how many groups of 4 minutes there were. </h3>

8 ÷ 4 = 2

So then we can subtract two lots of 44 from 153:

153 - (44 x 2) = 65

<h3>So the starting amount was 65.</h3>

B)

<h3>The answer to B is the second option, because it is true that the amount of water is increasing. This is by 44 gallons per 4 minutes.</h3>

The amount of gallons per minute can be found out by dividing the amount by 4:

44 ÷ 4 = 11

<h3>So it is 11 gallons per minute.</h3>
<h2>Hope this helps!</h2>
3 0
3 years ago
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