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miv72 [106K]
3 years ago
9

What is 1/2+1/4+20.00?

Mathematics
2 answers:
dimulka [17.4K]3 years ago
7 0
0.5 + 0.25 + 20.00 = 20.75
anygoal [31]3 years ago
3 0
First turn 1/2 and 1/4 in to a decimal we do this by dividing the numerator by the denominator

1/2=0.5

1/4=0.25

Now we just line up the numbers like this

20.00
00.50
00.25
_____
20.75
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n a large high school, 37% of the teachers believe that five minutes is not enough time for students to change classes. However,
timurjin [86]

The difference (faculty-student) in the sample proportions of those who believe that five minutes is not enough time for students to change classes typically varies about 0.096 from the true difference in proportions. Option D is correct.

<h3>What is the standard deviation?</h3>

It is a measurement of statistical data dispersion. The degree to which the value varies is known as standard deviation.

The standard deviation of the sampling distribution is found as;

\rm \sigma_F-\sigma_s= \sqrt{\frac{0.37 \times (1-0.37)}{28}+\frac{0.89 \times (1-0.89)}{100}  } \\\\  \sigma_F-\sigma_s=0.096

The difference in the sample proportions of those who think five minutes is not enough time for students to switch classrooms generally differs by roughly 0.096 from the actual difference in proportions.

Hence option D is correct.

To learn more about the standard deviation, refer to: brainly.com/question/16555520.

#SPJ1

6 0
2 years ago
45 + 57 = x + y<br> x= 37<br> y =?
Mekhanik [1.2K]

Answer:

y = 65

Step-by-step explanation:

45 + 57 = x + y

x = 37

45 + 57 = 37 + y

45 + 57 = 102

102 = 37 + y

102 = 37 + y

-37    -37

102 - 37 = 65

37 + y - 37 = y

65 = y

y = 65

5 0
3 years ago
Read 2 more answers
Find the retail price if original price is 75$ and the markdown is 15%
PSYCHO15rus [73]

Answer:

$63.75

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which answer shows a correct slope calculation?
Sliva [168]

If the lines with those given slopes go trough 2 points then

A) is correct if the points are (6, 0) and (0, 3)

B) is correct if the points are (0, 0) and (-6, 3)

C) is correct if the points are (-6, 0) and (0, 3)

5 0
3 years ago
Any answers get 5 stars, Best answer gets brainliest!
Romashka [77]
B: Negative 9 and 3 over 6
4 0
3 years ago
Read 2 more answers
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