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qaws [65]
3 years ago
10

Expand the expression 3(-2a+3b)

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
5 0

Answer:

-6a +9b

Step-by-step explanation:

First distribute 3 to terms inside parenthesis

-6a + 9b

Final answer  -6a +9b

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A rectangles width is 4 less than its area and its length is 19. what is it’s width?
Alchen [17]

The width of the rectangle is \frac{2}{9} unit

Step-by-step explanation:

The given is:

  • A rectangles width is 4 less than its area
  • Its length is 19 units

We need to find the width of the rectangle

Assume that the width of the rectangle is x units

∵ The area of the rectangle = length × width

∵ The width of the rectangle = x units

∵ The length of the rectangle = 19 units

∴ The area of the square = 19 × x = 19 x units²

∵ The width of the rectangle is 4 less than its area

- That means subtract 4 from the area to find the width

∴ x = 19 x - 4

- Subtract 19 x from both sides

∴ -18 x = -4

- Divide both sides by -18

∴ x = \frac{-4}{-18}

- Reduce the fraction by dividing up and down by -2

∴ x = \frac{2}{9}

The width of the rectangle is \frac{2}{9} unit

Learn more:

You can learn more about the rectangles in brainly.com/question/12919591

#LearnwithBrainly

4 0
3 years ago
Which of the following ratios will form a proportion with 2/3. a) 9/12 b) 6/15 c) 12/18 d) 6/8
Brums [2.3K]
The answer is c, 12/18.
4 0
3 years ago
I want to earn $42,000 for a new car, I have 12,678, How much more money do I need to buy the car?
laila [671]
So, you have $12,678. However, you want to earn $42,000 for a new car. If you want to figure out how much money you need, you need to subtract the number of money you want to earn by the number of money that you already have:

42,000 - 12, 678 = 29,322

You would need $29,322 more in order to buy the car.
8 0
3 years ago
Which of the following items are elements of a monthly checking account statement?
KiRa [710]

Answer:

D.

Step-by-step explanation:

Sana makatulong pag Mali EDI Mali

3 0
3 years ago
Read 2 more answers
Use the Distributive Property to simplify the following expression <br> -2 (x + 3)
Dmitry_Shevchenko [17]

Answer:

-2x-6

Step-by-step explanation:

-2(×+3)

-2x-2.3

-2x-6

4 0
3 years ago
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