Create an expression that is equivalent to 8(x+5) without using parenthese

Mathematics

2 answers:

shepuryov [24]3 years ago

8 0

Answer:

8x + 40

Step-by-step explanation:

Simply apply "distributive property" to make effective the implicit multiplication stated by 8(x+5) which reads as: the factor "8" multiplies all that is inside the parenthesis *the binomial (x+5). In this case, 8 multiplies x which is the first term of the binomial, and also multiplies the second term "5".

Distributive property therefore gives us the following:

8 (x+5) = 8x + 40

kirill115 [55]3 years ago

4 0

Answer:

8x+40

Step-by-step explanation:

8(x+5)

Distribute

8*x +8*5

8x+40

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goldenfox [79]

Answer: 17/18

In words, this is seventeen eighteenths

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Work Shown:

4/9 + 9/18

8/18 + 9/18 ... see note below

(8+9)/18

17/18

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note: To go from 4/9 to 8/18, we multiply top and bottom by 2. So that's why 4/9 = 8/18.

The diagram below shows a visual representation of why 4/9 = 8/18.

In the top row, I've drawn out 9 rectangles of the same size. Then I've shaded 4 of the 9 rectangles to represent the fraction 4/9. In the bottom row, I've cut each of those 9 rectangles into two smaller equal pieces, so we have 9*2 = 18 rectangles now. Note how the shaded regions are the same size, so this shows 4 green regions doubles to 2*4 = 8 yellow regions; therefore 4/9 is the same as 8/18.