Answer:
2.25a-5
Step-by-step explanation:
rate brainiest please!
Answer:
C(-3,3)
Step-by-step explanation:
Given
A = (7,-1)
B = (2,1)
AB:AC = 1:2
Required
Determine the coordinates of C
Since, B is between A and C; we need to determine ratio BC as follows;

Convert to division

<em>AC = AB + BC;</em>

Cross Multiply




Divide both sides by BC

Rewrite as

Write as ratio

Next is to determine the coordinates of C as follows;
Because B is between both points. we have:

Where



So; we're solving for x2 and y2

Where
Solving for x2;



Cross Multiply




Solving for y2;



Cross Multiply




<em>Hence, the coordinates of C are: C(-3,3)</em>
They have the 2
774546-354
Well, if the selling price was 210, and that's the 100%, then if he adds 60% to that, the new price will be 160% of 210... well, if 210 is the 100%, what's 160% of that?

solve for "x".
Using margin of error, it is found that increasing the sample size results in a smaller sampling error.
The equation for the <em>margin of error</em> is given by:

In which:
- c is the critical value according to the distribution used.
- s is the standard deviation, either of the sample or of the population.
From the equation, it can be noted that the margin of error is inversely proportional to the square root of the sample size, hence, increasing the sample size results in a smaller sampling error.
To learn more about margin of error, you can take a look at brainly.com/question/25821952