4x is substitution and x4 is to multiply. hope that helped
Answer:
Step-by-step explanation:
16×(x-4)=208
x-4=208÷16=13
x=13+4=17
The number of sports books is 13 books.
<h3>What is an equation?</h3>
A mathematical equation is the representation of a problem by the use of variables. Often times, an equation is formed from the factors that are in a problem.
We have to represented each of the books read with an algebraic term;
Let the number of mystery books be y
Let the number of sports books be x
Total number of books = 23
We know that;
x + y = 23
but y = 10
x = 23 - 10
x = 13 books
Learn more about algebra:brainly.com/question/24875240
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Answer: Parallel to the base.
Step-by-step explanation:
1. By definition a cross section is the intersection of a plane and a body of three dimensions.
2. As you can see inf the figure attached in the problem, the square cross section does not touch the base of the cake, then, by definition the slice that created the square cross section on the cake is parallel to the base of the cake.
3. Therefore, the answer is the third option.
