Answer:
When non metals such as nitrogen and phosphorus are solids, they tend to be very dull and brittle which is due to the tendency of elements to revert to their original form.
it is a disease, commonly found in young children.
The square inches of paper Ray needs are equal to the area of the sides he wants to cover.
<h3>What is the area?</h3>
The area of an object refers to the surface or space occupied by the object.
<h3>Why is the area important?</h3>
In this situation calculating the area is essential because by doing this, Ray can know how much paper he needs.
<h3>How to calculate the area?</h3>
Different formulas can be used to calculate the area depending on the shape of the object.
- Rectangle: Side x side
- Triangle: 1/2 base x height
- Circle: πr2
This means to know the exact answer, Ray needs to calculate the area of the sides he wants to cover and this is equal to the paper he needs to buy.
Note: This question is incomplete because the picture was not attached. Due to this, I answered it based on general knowledge.
Learn more about area in: brainly.com/question/16151549
Answer:
14
Explanation:
For independent variables X and Y;
S.D(X - Y) is expanded as :
S.D(X) + S.D(Y)
If S.D(X) = 6 and S.D(Y) = 8 ; where, X and Y are independent ;
SD(X-Y) = SD(X) + SD(Y)
SD(X - Y) = 6 + 8
SD(X - Y) = 14
