Number 34 please!!!!!!!!!!!!

1 answer:

5 0

The answer is D.

3x + 2 > 14, id you plug in 5 for x, it is 3 x 5 > 14 and that is true.

10 - x < 7, If you plug 5 in, it turns into 10 - 5 < 7 and that is true.

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What is the solutions of x2 = –5x + 8?

topjm [15]

Answer:

$x=\sqrt{14.25} -2.5, x=-\sqrt{14.25}-2.5$

Step-by-step explanation:

Since moving it to one side can't be factored, I'm going to complete the square.

$x^2+5x=8$

$x^2+5x+6.25=8+6.25$

$(x+2.5)^2=14.25$

$x+2.5=\sqrt{14.25}$

$x=\sqrt{14.25} -2.5, x=-\sqrt{14.25}-2.5$

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3 years ago

The sum of the exterior angles of a convex polygon, one angle at each vertex, is equal to how many degrees?

alexdok [17]

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3 years ago

Between two integers does 42lie on the number line? I really need this answered!!

topjm [15]

Answer:

b. between 6 and 7

Step-by-step explanation:

36<42<49

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So it is between 6 and 7

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3 years ago

Read 2 more answers

Ed planned to read 25 pages a day of his favorite book by some deadline. However, he read 8 pages more a day and there were just

GaryK [48]

Answer:

175 pages

Step-by-step explanation:

Let's call 'd' the number of days before the deadline, and 'n' the total number of pages of the book.

We have the following equations:

(1) $25 d = n$ --> if we multiply the number of pages per day (25) times the number of days (d), we get the total number of pages of the book (n)

(2) $(25+8)(d-2)=n-10$ --> he reads 8 pages more per day (so, 25+8), for a number of days equal to (d-2) (d is the deadline), and he reads a total of n-10 pages (because only 10 are left)