Eighth grade > w.14 solve equations: word problems hcp
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andrew had already read 13 books this year before joining a book club, and he plans to
read 1 book every month now that he has joined. if andrew has read 31 books so far, how
many months has he been with his book club?
months
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Andrew has been in the book club for 18 months.

Step-by-step explanation:

The number of books already read by Andrew = 13 books

He reads 1 book each month after joining the book club.

Number of books he has read after joining the club = 31 books

Number of books read after joining the Club

=  Total books Read  - Books read beforehand

=  31 books   -  13 books

= 18 books

So, the number of books Andrew read within the club = 18 books

Now, as Andrew read 1 book per month

⇒ Andrew reads 18 books in   18 x ( 1 Month)  = 18 Months

Hence,  Andrew has been in the book club for 18 months.

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.

region b will make the inequalities y < 2x + 1 and y > -x - 2 true ⇒ answer a

step-by-step explanation:

* lets study the graph and the inequality to solve the question

- the inequality y > -x - 2

∵ the form of the inequality is y > mx + c , m is the slope of the line

  and c is the y-intercept (the line intersect y-axis at point (0 , c)

∴ c = -2 that means the line intersect the y-axis at point (0 , -2)

∵ the sign of the inequality is >

∴ we shad the part over the line

  region a and b

- the inequality y < 2x + 1

∵ the form of the inequality is y > mx + c , m is the slope of the line

  and c is the y-intercept (the line intersect y-axis at point (0 , c)

∴ c = 1 that means the line intersect the y-axis at point (0 , 1)

∵ the sign of the inequality is <

∴ we shad the part under the line

  region b and c

∵ the common region between the two lines is region b

∴ region b will make the inequalities y < 2x + 1 and y > -x - 2 true