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GREYUIT [131]
3 years ago
8

You are surveying students to find out their opinion of the quality of food served in the school cafeteria. Which of the followi

ng samples would be random?​
Mathematics
2 answers:
Scrat [10]3 years ago
5 0

Answer:

aint random

Step-by-step explanation:

asambeis [7]3 years ago
3 0

Answer:

Of course it isn't random. Students who buy hot lunch probably like it.

 No, it's not random.  

Step-by-step explanation:

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The midpoint is C, (-0.5,0.5)

Find the middle between the x and y coordinates and that is the midpoint
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2 years ago
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Katelyn bought 3 packages of ground beef. The packages weighed 2.65 lb, 1.85 lb, and 2.46 lb. She divided the ground beef into 4
Katena32 [7]

Answer:

1.74 pounds

Step-by-step explanation:

2.65 + 1.85 + 2.46 = 6.96/4 = 1.74lbs.

4 0
3 years ago
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Mandvil has one standard quarter and one special quarter with a Head on both sides. He selects one of these two coins at random,
Lana71 [14]

The probability that he selected the special quarter is 87.5%.

<h3><u /></h3><h3><u>Probability</u></h3>

Given that Mandvil has one standard quarter and one special quarter with a Head on both sides, and he selects one of these two coins at random, and without looking at it first, he flips the coin three times, to determine, if he flips a Head three straight times, what is the probability that he selected the special quarter, the following calculation must be made:

  • 1 - (standard quarter) = X
  • 1 - (0.50^3) = X
  • 1 - 0.125 = X
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Therefore, the probability that he selected the special quarter is 87.5%.

Learn more about probability in brainly.com/question/24217562

3 0
2 years ago
Let f(x) = √x-5<br><br> Find f^ -1.
iris [78.8K]

Answer:

f^{-1}(x)= x^2 + 5 \,,\,\,x\geq 0

Step-by-step explanation:

Use the method of swapping x and y and isolating y.

f(x) = y = \sqrt{x-5}\,,\,\,\,x\geq 5,y\geq0\\\\f^{-1}:x=\sqrt{y-5}\,,\,\,\,y\geq 5, x\geq 0\\x^2 = y-5\\y = x^2 + 5 = f^{-1}(x)\\

Note that domain/range will be swapped as well.

5 0
3 years ago
Help please, im drowning in homework
elena55 [62]

Answer:

circumference: 37.7

area: 113.1

Step-by-step explanation:

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2 years ago
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