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mr Goodwill [35]
2 years ago
12

What is a biased sample?

Mathematics
1 answer:
Kruka [31]2 years ago
3 0
A sample in which every person or object does not have an equal chance of being selected. (Mark as brainliest)
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Food A contains 150 calories in 3/4of a serving. Food B contains
nadya68 [22]
Food A has fewer calories per serving.

I found this by taking the first food (A) and dividing 150 by 3. This gave me 50, which I added onto 150 to give me my 4/4 of a serving (200 calories).

With food B, I did the same process. I took 250/2 and added that to the original amount to get the final third of the serving, which resulted in food B being 375 calories.
8 0
2 years ago
Read 2 more answers
∠1 ​ and ∠2 are supplementary. ∠1=124°∠2=(2x+4)° Select from the drop down menu to correctly answer the question.
Alex_Xolod [135]
Remark
Supplementary angles add up to 180o. 

Givens
<1 = 124
<2 = 2x + 4

I imagine you are looking for either x or <2. 

Equation
<1 + <2 = 180          Substitute the givens
124 + 2x + 4 = 180  Collect like terms on the left.
128 + 2x = 180         Subtract 128 from both sides
2x = 180 - 128          Collect like terms on the right   
2x = 52                     divide by 2
x = 52/2
x = 26 <<<<<<<<< answer

<1 = 124
<2 = 2x + 4 = 2*26 + 4
<2 = 52 + 4
<2 = 56  <<<<<<<< answer

We need choices if you want an exact answer.

3 0
3 years ago
3/4 x 1/2 <br> Help need it plss ;-;
Shkiper50 [21]

Answer:

3/8

Step-by-step explanation:

3/4 divide 2 = 4÷2= 3/8

4 0
3 years ago
Read 2 more answers
Which of the following represents x =1/3y written in general form?
Serhud [2]

If you would like to write x = 1/3 * y in general form, you can do this using the following steps:

The general form of the equation is: ax + by + c = 0.

x = 1/3 * y

x - 1/3 * y = 0


The correct result would be x - 1/3 * y = 0.

4 0
3 years ago
What is the equivalent fraction for 0.3333
lorasvet [3.4K]
0.3333 = 1/3

Answer would be: 1/3
6 0
3 years ago
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