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Lostsunrise [7]
3 years ago
9

Leia and Thaddeus are reading the same 225-page book. Leia starts reading the book and plans to read

Mathematics
1 answer:
Harman [31]3 years ago
3 0
<h2 />
  • A) True
  • B) False
  • C) True
<h2 /><h2><u>True or false</u></h2>

Since Leia and Thaddeus are reading the same 225-page book, and Leia starts reading the book and plans to read 25 pages a day while Thaddeus has already read 45 pages and is reading 20 pages a day, to determine if each statement is true or false the following calculations must be performed:

A) Leia will finish the book in 9 days.

  • 225/25 = X
  • 9 = X

Therefore, it is true that Leia will finish the book in 9 days.

B) f (x) = 20x represents the number of pages Thaddeus has read in x days.

  • 20 x 5 = 200
  • 45 + 20 x 5 = 245

Therefore, it is false that this equation represents the number of pages Thaddeus has read in x days.

C) They will both finish the book in 9 days.

  • 45 + 20 x 9 = X
  • 45 + 180 = X
  • 225 = X

Therefore, it is true that they will both finish the book in 9 days.

Learn more about maths in brainly.com/question/26051685

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3 years ago
6 pounds of apples and 3 pounds of oranges cost 24 dollars.5 pounds of apples and 4 pounds of oranges cost 23 dollars. Set up a
vitfil [10]

Answer:cost of each pound of apple= $3

And cost of each pound of orange =$2

Step-by-step explanation:

Step 1

Let cost of apples = x

And cost of Oranges =y

Let 6 pounds of apples and 3 pounds of oranges cost 24 dollars be represented as

6 x + 3y= 24----- equation 1

Also, Let 5 pounds of apples and 4 pounds of oranges cost 23 dollars be represented as

5x+ 4y= 23----- equation 2

Step 2

6 x + 3y= 24----- equation 1

5x+ 4y= 23----- equation 2

Using substitution method to solve the equation

6 x + 3y= 24

24-6x=3y

y= 24-6x/3 = 8-2x

Y= 8-2x

Substituting the value of y= 8-2x  into equation 2

5x+ 4( 8-2x)= 23

5x+ 32 -8x= 23

32-23= 8x-5x

9=3x

x=9/3

x=3

Putting the value of x= 3 in equation 1 and solving to find y

6 x + 3y= 24

6(3) +3y= 24

18+3y=24

3y= 24-18

3y=6

y=6/3= 2

Therefore the cost of each pound of apple= $3

And cost of each pound of orange =$2

8 0
3 years ago
Consider the graph of the quadratic function y=3x↑2↓-3x-6.what are the solutions of the quadratic equation 0=3x↑2↓-3x-6
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1. Evaluate 7m + 3mn; when m=8 and n=14?
FrozenT [24]

Answer:

1. 392

2. 75

3. 12x^{2} - 5x -2

Step-by-step explanation:

1. 7×8 + 3×8×14 = 56 + 336 = 392

2. 675 ÷ (6 + 3) = 675 ÷ 9 = 75

3. 12x^{2} + 3x - 8x - 2 = 12x^{2} -5x-2

3 0
3 years ago
What is the factor of 2k^2-25k+12
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Answer:(2k-1)(k-12)

Step-by-step explanation:

8 0
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