Hello there.
First, assume the numbers 
such that they satisties both affirmations:
- The sum of the squares of two numbers is
. - The product of the two numbers is
.
With these informations, we can set the following equations:
Multiply both sides of the second equation by a factor of 
:
Make 
We can rewrite the expression on the left hand side using the binomial expansion in reverse: 
, such that:
The square of a number is equal to 
if and only if such number is equal to , thus:
Substituting that information from 
in 
, we get:
Calculate the square root on both sides of the equation:
Once again with the information in , we have that:
The set of solutions of that satisfies both affirmations is:
This is the set we were looking for.
2x-3y=-12...im not 100% sure but it makes the most sense to me
Answer:
1:D
2:A
3:C
4:E
5:B
Step-by-step explanation:
A negative exponent will be when you move the decimal point to the left. A positive exponent will be moving the decimal point to the right.
The number of the exponent is how many times you will move the decimal point.
Answer:
35/49/50
Step-by-step explanation:
3.5/7.8/4.9=50
Answer:
Following are the solution to the given choices:
Step-by-step explanation:
In point a:
Calculating the variance of the test grade:
In point b:
The relationship between the top 20 students is also slight, so the top 20 students are more university-like than all secondary students.
