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Svetach [21]
3 years ago
12

1/4c= __pints please help me this is really hard

Mathematics
1 answer:
Studentka2010 [4]3 years ago
4 0

Answer:

0.125.

If c is cup then 1 cup = 0.5 US Liquid pint and 1/4c should be 0.125.

Step-by-step explanation:


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7.9 - 4.012. I really don't know the answer
Lunna [17]
3.888 :))))))))))))))))))))))))))
7 0
3 years ago
The exam scores for 200 students are normally distributed with a mean of 72 and a standard deviation of 10. Which answer choice
Paha777 [63]

Using the normal distribution, it is found that there are 68 students with scores between 72 and 82.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

In this problem, the mean and the standard deviation are given, respectively, by:

\mu = 72, \sigma = 10

The proportion of students with scores between 72 and 82 is the <u>p-value of Z when X = 82 subtracted by the p-value of Z when X = 72</u>.

X = 82:

Z = \frac{X - \mu}{\sigma}

Z = \frac{82 - 72}{10}

Z = 1

Z = 1 has a p-value of 0.84.

X = 72:

Z = \frac{X - \mu}{\sigma}

Z = \frac{72 - 72}{10}

Z = 0

Z = 0 has a p-value of 0.5.

0.84 - 0.5 = 0.34.

Out of 200 students, the number is given by:

0.34 x 200 = 68 students with scores between 72 and 82.

More can be learned about the normal distribution at brainly.com/question/24663213

#SPJ1

6 0
2 years ago
Amy, Dan and mike are competing in a cooking contest they all used different amounts of milk from a container holding 6 gallons
natka813 [3]

Answer: 0.14

Step-by-step explanation:

You had to convert the decimals into percentages move the decimal point two places to the left which makes 14% the answer

4 0
3 years ago
Read 2 more answers
What is the vertex of y=x^2+4x+3
AnnyKZ [126]

Answer:

(-2, -1)

Step-by-step explanation:

This is a quadratic equation in standard form, and a = 1, b = 4 and c = 3.

The x-coordinate of the vertex is given by the formula

        -b                                                                         -4

x = --------- which here has the numerical value x = -------- = -2

        2a                                                                           2

Finally, we evaluate y=x^2+4x+3 at x = -2 to find the y-coordinate of the vertex:

y = (-2)^2 + 4(-2) + 3 = -1

The vertex is at (-2, -1).

7 0
3 years ago
20.) which of the following expressions is equivalent to -6 (2x + 5)
Volgvan

Answer:

-12X-30

Step-by-step explanation:

No expressions were given, so it could be a different expression, but if you multiply out -6 to 2X and +5 then you end up with -12X-30 which is equivalent to -6(2X+5)

4 0
2 years ago
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