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Mila [183]
3 years ago
6

Name the set(s) of numbers which belong to -1/2 belongs

Mathematics
2 answers:
OLEGan [10]3 years ago
4 0

Answer:

2 rational number because it's negative it can't be natural and cuz it's fraction it can't be whole nor integers

Yanka [14]3 years ago
3 0

Answer:

Option 2 - Rational numbers  

Step-by-step explanation:

Given : Number -\frac{1}{2}

To find : Name the set(s) of numbers which belong to given number ?

Solution :

The number -\frac{1}{2} is a real number.

The number is written in p/q from so the number is rational number.

If the number is rational number it is not integer, whole number, natural number as it is in form of p/q where q is not 0 or 1.

So, -\frac{1}{2} is a rational number.

Therefore, Option 2 is correct.

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The math test scores of Mrs. Hunter's class are shown below:
pishuonlain [190]

Answer:

82

Step-by-step explanation:

Well since everything is already in order from least to greatest:

48, 56, 68, 72, 72, 78, 78, 80, 82, 84, 88, 88, 88, 90, 94, 98, 100

The median is the number in the middle

So 82 is the median

Hope this helps!

Feel free to comment any questions you have!

6 0
2 years ago
POSSIBLE POINTS: 50
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Answer:

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3 0
2 years ago
There are four more girls than boys in Ms. Raub's class of 28 students. What is the ratio of number of girls to the number of bo
FinnZ [79.3K]
So there are x girls and x-4 boys and together they make 28:

x+x-4=28
2x-4=28
2x=32
x=16

so there are 16 girls and 12 boys.

the ratio is then 16:12, or we can simplify (by dividing both sides by 4): 4:3

so the best answer is 4:3.
4 0
3 years ago
A random sample of 45 door-to-door salespersons were asked how long on average they were able to talk to the potential customer.
dimulka [17.4K]

Answer:

b.  =8.5+1.96*3/SQRT(45), and =8.5-1.96*3/SQRT(45)

Step-by-step explanation:

Sample size (n) = 45

Sample mean (M) = 8.5 minutes

Variance (V) = 9 minutes

Z-score for a 95% confidence interval (z) = 1.96

A confidence interval is defined by the following expression:

M\pm z\sqrt{\frac{V}{n} }

Applying the given data:

8.5\pm 1.96\sqrt{\frac{9}{45} }\\8.5\pm 1.96\frac{3}{\sqrt 45}

Writing in Excel statements, the limits of the interval would be

=8.5+1.96*3/SQRT(45), and =8.5-1.96*3/SQRT(45)

Therefore, the answer is alternative b.

8 0
3 years ago
Please help I don’t get it!!! <br> 3(-x+2)
Dennis_Churaev [7]

Answer:

-3x + 6

Step-by-step explanation:

Distribute the 3 across the parentheses, like you are multiplying. 3 x (-x) = -3x and 3 x 2 = 6. Then write as an expression.

3 0
2 years ago
Read 2 more answers
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