It causes the breakdown and decay to the rocks. It occurs when the weather water is slightly acidic.
All of the answer choices that you are given are incorrect. I have calculated it in all different ways and get the same thing and it is none of those. The correct answer would be -75 though.
Answer:
Given:
- adjacent: 4 cm
- hypotenuse: x cm
- angle: 45°
<u>using cosine rule:</u>
Answer:
The coordinates of are and .
Step-by-step explanation:
Let be and endpoints of segment AB and a point located 7/10 the way from A to B. Vectorially, we get this formula:
By Linear Algebra we get the location of :
If we know that and , then:
The coordinates of are and .
Answer:
D
Step-by-step explanation:
Since they are the same variables