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jonny [76]
3 years ago
7

PLZ HELP ASAP IM ON THE TEST NOW Which sample is biased?

Mathematics
2 answers:
RoseWind [281]3 years ago
6 0
A. Interviews of random teens at a rock concert

These teens are all fans of the same music because they are attending the same concert. They cannot accurately represent all teens music choices because they are all bias toward the same music style. They are especially excited about it at the concert so responded are even more skewed.
Sophie [7]3 years ago
3 0
I think (a) because they interviewed people who were already at a rock concert about what musician they enjoy the most
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Explain how to translate the phrase into an algebraic expression.
ASHA 777 [7]
Hey there.. I will be more than happy to help you today..  :)

A Number squared decreased by ten

We will do this with steps:-

Step 1 - "A number ". So, Let's say any number be x

Step 2 -  "A number squared". Our number x is squared i.e. x²

Step 3 - "A number squared" ( i.e. x²  ) is decreased by ten
x² - 10 

This is your answer.
Hope this helps you :)
4 0
3 years ago
Read 2 more answers
What is the midpoint between (5.2).(-4,-3)
Murrr4er [49]

Answer:

Step-by-step explanation:

(5-4)/2 = 1/2

(2-3)/2 = -1/2

(1/2, -1/2)

4 0
3 years ago
Which expression best estimates <br> ________<br> question in picture <br> 10 points
Contact [7]

Answer:

B: -18 ÷ 3

Step-by-step explanation:

-18 because 1/4 is closer to 18

3 because 2/3 is closer to 3 than 2

Hope This helps! (Edgenunity Sucks!)

6 0
2 years ago
What type of transformations have occurred in the function shown below?
Liono4ka [1.6K]

Using shifting concepts, it is found that the correct option is:

  • Vertical stretch, horizontal shift left, vertical shift up.

The original function is:

y = \sqrt{x}

  • The original function was multiplied by 2, hence there was a <em>vertical stretch</em> by a factor of 2.
  • x \rightarrow x + 1, hence, there was an horizontal shift left.
  • 2 was added to the function, hence, there was a <em>vertical shift up.</em>

To learn more about shifting concepts, you can take a look at brainly.com/question/24465194

5 0
2 years ago
Operations with fractions
matrenka [14]

Step-by-step explanation:

\frac{2}{3}  -  \frac{1}{5}  =  \frac{10}{15}  -  \frac{3}{15}  =  \frac{7}{15}

8 0
2 years ago
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