Answer:Give reasons for your answer that do not depend onsolving the equations. ... This can serve as a guide and check list for teacherswho are using the text for the ... Solution (a) If x = 2 and y = 5, then3x 4y = 3 2 4 (5) = 6 + 20 = 264x2+ 9x+ 7y = 4 ... oper-ation on the equation 3(x 1)+2x = 5+x2 2x?(a) 5x 3 = x2 2x 5(b) 4x + 3(x 1) .
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
There are 2 ways to look at this. I will explain both.
First we have the 3-4-5 triangle method, stating that any triangle with sides 3 and 4 will have the last side as 5.
Now, for the more complex way of doing this, we can use the Pythagorean theorem to solve this problem.
Pythagorean theorem: 
We can use 4 for a and 3 for b
You will now have
Then take √25, or 5.
Hello there! :D
Firstly, I want you to understand an important concept. This has something to do with absolute value. So, although distance is a number, it is neither positive nor negative. It does not necessarily involve value. So, what we are looking for today will not have a negative sign in front of it. We are simply looking for distance!
Let's start with ST, because the distance between those is smaller and therefore I can better explain this to you. T is at the point 19.1, and S is at the point 14. We need to find the amount of distance between the two. How do we do that?
Subtraction! In order to find this value we can subtract the smaller number from the larger number.
19.1-14= 5.1
ST is 5.1
Now we can look at the distance between TR. We are actually going to add numbers together! We know that T is 19.1. If we were to put a dot at zzero and measure that distance, it would be 19.1. What is the distance from R to zero? That's right! The same principle is there. If we had a dot at zero and we're measuring from 4, the distance would be 7.5 (even though it is negative on the number line).
So, we can add these numbers together!
19.1+7.5= 26.6
TR is 26.6
I hope this helped you and you have a wonderful day,
Kai xx
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