MATHEMATICS MIDDLE SCHOOL

Which of the following expressions is a factor of the trinomial x^3 - x^2 - 6x l. x II. x - 3
III. x + 2

Answers

Answer 1

Answer:

Answer:

Both

Step-by-step explanation:

First,let's resolve the expression into factors

x^3-x^2-6x

x(x^2-x-6)

x(x^2-3x+2x-6)

x(x(x-3)+2(x-3))

x(×+2)(x-3)

Therefore,both of them are the factors of the expression

Answer 2

Answer: X-3 is correct I don’t know how to explain much

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Please help me with this question! its 22 pts so youll get 11 i will give brainliest thanks rattings etc.

Answers

Answer:

it will be A

Step-by-step explanation:

ok you see for B it says that erics dog grows in inches everything good until get to three days he loes inch which makes this a false scenario

and its th same for the others

Is 2 x+6-x=1/3(3x+18) a one solution ,no solution ,or an infinite numbers of solutions

Answers

To determine this, the first thing we should do is simplify the expression. As usual, bring like terms to either side of the "=" and then simplify.
2x + 6 - x = 1/3 (3x + 18)
x + 6 = 1/3 (3x + 18)
x + 6 = 1/3 (3x) + 1/3(18)
x + 6 = x + 6

We can already see that both sides have the same expression "x+6". Now, if you try to simplify any further, you will get 0=0. That means that for any value of x, the expression will simplify to 0=0. Because 0=0 is a true statement, for every value of x, the expression will be true. Therefore, there are an infinite number of solutions.

Hope this helped!! :D
Note: If you are still confused, let me know. I realize that I might have been a bit confusing in my explanation

The weight of a package is at least 1.5 pounds. Write an inequality to represent this situation. (Show work please)

Answers

Answer:

W ≥ 1.5lb

W = weight of package

Step-by-step explanation:

The key words at least show more than or equal to.

What is the product of (–22.1)(–5.6)?

Answers

The answer is, 123.76

"What is the product of (–22.1)(–5.6)?"

Answer:

D. 123.76

Step-by-step explanation:

On Mary's walk she covered the 3-mile distance to the park in one hour. However, the return trip took her one and a half hours. What was her average speed for the round trip?

Answers

the total distance covered by Mary is 6miles
total time spent is 2 and half hours
average speed is given by,total distance divided by total time
so,6/2.5=2.4miles per hour

Final answer:

Mary's average speed for the round trip was 2.4 miles per hour, calculated by dividing the total distance of the trip (6 miles) by the total time for the trip (2.5 hours).

Explanation:

The question deals with calculating average speed for a round trip. The total distance for Mary's walk was 6 miles (3 miles to the park and 3 miles back). The total time taken for the walk was 2.5 hours (1 hour to get to the park and 1.5 hours to return).

Average speed is calculated by dividing total distance by total time. So, the average speed of Mary's round trip is 6 miles divided by 2.5 hours, which equates to 2.4 miles per hour.

Learn more about Average Speed here:

brainly.com/question/17661499

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Alice wants to put wall-to-wall carpeting in a small room with thefloor plan shown.a. Alice says she can find the area of the room by dividing thefloor plan into two trapezoids. Show how she can divide thefloor plan. Then find the area using her method.7.5 ft5 ft a7.5 ft10 ft15 ft