Where’s the problem where it explains what’s she is subtracting?
The expression has 2 factors, and the second factor has 2 terms.
<h3 /><h3>How many factors has the expression?</h3>
We can write an expression of N factors as:
![y = A_1*A_2*...*A_n](https://tex.z-dn.net/?f=y%20%3D%20A_1%2AA_2%2A...%2AA_n)
Here, the expression is:
4*(8x + 5)
This expression has 2 factors, which are:
4 and (8x + 5)
Now, if we look at the only factor 8x + 5, we have two terms (the terms are the parts that are added), the terms are:
8x and 5.
If you want to learn more about factors and terms:
brainly.com/question/723406
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Answer:
![BA = 6.0](https://tex.z-dn.net/?f=BA%20%3D%206.0)
![BC = 13.4](https://tex.z-dn.net/?f=BC%20%3D%2013.4)
Step-by-step explanation:
Given
The attached triangle
Solving (a) BA
Considering the tangent of angle C, we have:
![tan\ C = \frac{BA}{AC}\\](https://tex.z-dn.net/?f=tan%5C%20C%20%3D%20%5Cfrac%7BBA%7D%7BAC%7D%5C%5C)
This gives:
![tan\ 25 = \frac{BA}{12}](https://tex.z-dn.net/?f=tan%5C%2025%20%3D%20%5Cfrac%7BBA%7D%7B12%7D)
Make BA the subject
![BA = 12 * tan\ 25](https://tex.z-dn.net/?f=BA%20%3D%2012%20%2A%20tan%5C%2025)
![BA = 12 * 0.4663](https://tex.z-dn.net/?f=BA%20%3D%2012%20%2A%200.4663)
--- approximated
Solving (a) BC
Using Pythagoras theorem
![BC^2 = BA^2 + AC^2](https://tex.z-dn.net/?f=BC%5E2%20%3D%20BA%5E2%20%2B%20AC%5E2)
![BC^2 = 6.0^2 + 12^2](https://tex.z-dn.net/?f=BC%5E2%20%3D%206.0%5E2%20%2B%2012%5E2)
![BC^2 = 180](https://tex.z-dn.net/?f=BC%5E2%20%3D%20180)
Square root of both sides
![BC = \sqrt{180](https://tex.z-dn.net/?f=BC%20%3D%20%5Csqrt%7B180)
![BC = 13.4](https://tex.z-dn.net/?f=BC%20%3D%2013.4)