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Travka [436]
2 years ago
14

I NEED HELP WITH THIS!! I WILL OFFER BRAINLIEST FOR THE BEST ANSWER! HOWEVER, ANY ABSURD ANSWERS WILL BE REPORTED!!

Mathematics
1 answer:
marusya05 [52]2 years ago
5 0
The answer is B I believe
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It’s the first one; a)
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Marley has read 112.5 pages of a book. By the end of today, she plans to have read at least a total of 360 pages. If she reads 4
Vinvika [58]
5.5 hours.  5 hours and 30 minutes

The total pages she wants to finish (360) minus the pages she has read (112.5) equals to 247.5
Then divide it by the 45 (the rate of pages she reads per hour) 
5.5 hours.

6 0
3 years ago
HELLO can some one please HELP ME OUT !!!
Gnesinka [82]
The answer is Quadrant 1
5 0
2 years ago
Help. please read the instructions and Answer the questions​
Dominik [7]

9514 1404 393

Explanation:

We refer to the equations as [1] and [2]. We refer to the items as (1) – (4).

__

1. The terms to be eliminated have matching coefficients in (1) and (2). They can be eliminated by subtracting one equation from the other.

In (3) and (4), putting the equations in standard form* results in terms with opposite coefficients. Those terms can be eliminated by adding the equations.

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2. Terms to be eliminated will have matching or opposite coefficients.

__

3. In (1) and (2), the variable x can be eliminated by subtracting one equation from the other. In the attachment, we have indicated the subtraction that will result in the remaining variable having a positive coefficient.

__

4. In (3) and (4), the coefficients of the variables are not equal or opposite in the two equations, so no variable can be eliminated directly.

__

5. As suggested by the answer to Q4, an equivalent equation must be found that has an equal or opposite variable coefficient with respect to the other equation. The new equations are ...

  (3) [2] ⇒ x -y = 2

  (4) [1] ⇒ 2x +2y = 3

_____

Here are the solutions:

(1) [1] -[2]  ⇒  (x +y) -(x -y) = (-1) -(3)

  2y = -4  ⇒  y = -2

  x = y +3 = 1 . . . . from [2]

  (x, y) = (1, -2)

__

(2) [2] -[1]  ⇒  (x +2y) -(x +y) = (8) -(5)

  y = 3

  x = 5 -y = 2 . . . . from [1]

  (x, y) = (2, 3)

__

(3) [1] +[2]/2  ⇒  (x +y) +(x -y) = (1) +(2)

  2x = 3  ⇒  x = 3/2

  y = 1 -x = -1/2 . . . . from [1]

  (x, y) = (3/2, -1/2)

__

(4) [2] +[1]/2  ⇒  (5x -2y) +(2x +2y) = (4) +(3)

  7x = 7  ⇒  x = 1

  y = (3 -2x)/2 = 1/2

  (x, y) = (1, 1/2)

_____

* Equations in standard form have mutually prime coefficients. In (3) a factor of 2 can be removed from equation [2]. In (4), a factor of 2 can be removed from equation [1].

7 0
3 years ago
HURRY PLZ I WILL GIVE BRAINLIEST....Fernando evaluated the expression below. StartFraction 5 (9 minus 5) over 2 EndFraction + (n
mojhsa [17]

Answer:

The correct answer is...

Fernando incorrectly found the product of –2 and –5.

I hope this helps! Have a nice day!

4 0
2 years ago
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