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fredd [130]
3 years ago
7

Cristina uses a ruler to measure the length of her math textbook.she says that the book is 4/10 meter long.Ise her measurement i

n simplest form? If not,what is the length of the book in simplest form?
Mathematics
1 answer:
NNADVOKAT [17]3 years ago
3 0
The simplest form iz 2/5
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Factor completely x3 + 8x2 − 3x − 24. (x − 8)(x2 − 3) (x + 8)(x2 + 3) (x − 8)(x2 + 3) (x + 8)(x2 − 3)
Lina20 [59]

Answer:

(x + 8) (x² - 3)

Step-by-step explanation:

Given:

x³ + 8x² - 3x - 24

Find:

Factors

Computation:

x³ + 8x² - 3x - 24

x²(x + 8) -3(x + 8)

(x + 8) (x² - 3)

Factor of the given equation is (x + 8) (x² - 3)

4 0
3 years ago
Please help. Thank you.
damaskus [11]
(10x + 4) + (5x-4) ≈ 180

solve for x and you get x≈12 
 
plug 12 in to 5x-4 and you get 56 
7 0
4 years ago
Write a expression that is Darryl has a board that is 8 feet long. He cuts it into pieces that are each 2 feet long. What is the
Ivahew [28]

This question is based on division of numbers and ratios.

Darryl has 8 feet of board.

It is given that,he cuts the board into pieces which are 2 feet long.

To find the number of pieces, we divide the whole length by the length of each board.

The expression which shows this is \frac{8}{2}

Answer = \frac{8}{2}

6 0
3 years ago
Paul ran a 26 1/5 mile marathon in 2 3/4 hours. Write an inequality to describe the average speeds s of runners who were faster
Scilla [17]

Answer:

  • s > 9 29/55

Step-by-step explanation:

Paul ran a 26 1/5 mile marathon in 2 3/4 hours

<u>Paul's average speed was:</u>

  • distance/time =
  • 26 1/5 : 2 3/4 =
  • 131/5 : 11/4 =
  • 131/5 * 4/11 =
  • 524/55 =
  • 9 29/55 mph

<u>Inequality for the speed of faster runners:</u>

  • s > 9 29/55
6 0
3 years ago
PLEASE HELP. Select the two roots of (3x+7)(2x-5)=0
bixtya [17]

Answer:

-7/3 & 5/2

Step-by-step explanation:

3x +7 = 0

3x = -7

x = -7/3

2x-5=0

2x = 5

X = 5/2

5 0
3 years ago
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