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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Reciprocal is basically just swapping them around, so for 10/3 it's 3/10 and that's your answer!
Answer:
7) C) 7
8) D) y=-2x+3
Step-by-step explanation:
7) 3x-1/9(27)=18
3x-3=18
3x=21
x=7
8) y=-2x+3
Answer:
Step-by-step explanation:
5x² times 6 is : 30x²
