Answer:
The answer is "experiment."
Explanation:
When it comes to finding out whether a new reading program can increase reading comprehension, an experiment is important. <em>This procedure is being used in order to validate a hypothesis, particularly in a research study.</em> In the situation above, you have to validate whether a new reading program can increase the reading comprehension or not.
The experiment consists of the <em>independent, dependent and controlled variables.</em> The independent variables are the ones being changed by the researcher, while the dependent variables tell whether the changes in the independent variable is significant. The controlled variables are the ones that are constant.
The<u> dependent variable above is the reading comprehension, </u>while the <u>new reading program is the independent variable. </u>Examples of controlled variables are the<u> age</u>s of the participants. The age directly affects the reading comprehension, thus it has to be considered.
Answer:
Table shows a direct variation.
Step-by-step explanation:
For the direct variation equation representing the table will be in the form of,
y = kx
Where 'k' is the proportionality constant.
From the table attached,
For x = -10 and y = -20,
-20 = k(-10)
k = 2
For x = 1 and y = 2
2 = k(1)
k = 2
For x = 2 and y = 4,
4 = 2k
k = 2
For all points given in the table 'k' is same or constant.
Therefore, relation represented by the table shows a direct variation.
Answer :
9
Explanation :
The expression above signifies the Permutation expression
Permutation expression is given as nPr
The Permutation expression is calculated as:
nPr = P(n, r) = n! / (n - r)!
It the above question, we were asked to evaluate the expression 9P1
From the above question, we can see that:
n = 9 and r = 1
Therefore, the expression
9P1 = 9! / ( 9 - 1) !
9P1 = 9! / 8!
= 9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 / 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1
= 362880 /40320
= 9
Therefore, the evaluation of the expression 9P1 = 9
Answer:
As per the statement:
Here, x represents the total sales in dollars
Total weekly pay of Alexa in dollar is represented by:
and
Total weekly pay of Samantha in dollar is represented by:
We have to find the value of x, in dollars that will make their weekly pay the same.
⇒
Substitute the values we have;
Subtract 250 from both sides we get;
Subtract 0.085 x from both sides we get;
Divide both sides by 0.01 we have;
Simplify:
x = $16300
Therefore, $16300 that will make their weekly pay the same
The asnwer will be in the picture down below ^^
