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Tomtit [17]
2 years ago
14

Consider the graphed function,

Mathematics
1 answer:
nadya68 [22]2 years ago
7 0

Answer: -5

Step-by-step explanation:

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I need help on this problem in math
S_A_V [24]

Answer:

  • correct answer is C
  • Haley incorrectly applied the distributive property

Step-by-step explanation:

If you simplify the given equation, you find it matches choice C.

  \dfrac{1}{2}(6-x)+3x=\dfrac{1}{2}x-8\\\\3-\dfrac{1}{2}x+3x=\dfrac{1}{2}x-8\\\\3+\dfrac{5}{2}x=\dfrac{1}{2}x-8\qquad\text{matches choice C}

__

Haley's error seems to be failing to distribute the 1/2 properly when she eliminated parentheses. Apparent, she incorrectly decided that ...

  1/2(6 -x)  ⇒  3 -x . . . . instead of 3 -1/2x

Then when -x was added to +3x, she got 2x. Had she done it properly, she would have added -1/2x to +3x to get 5/2x.

_____

<em>Additional comment</em>

It is a common error to "distribute" the factor outside parentheses to the first term only, as Haley apparently did. Another common error is to fail to distribute minus signs properly. The distributive property requires you apply the outside factor to <em>all</em> of the terms inside parentheses.

5 0
2 years ago
What is 10/3 divided by 2/3
Amiraneli [1.4K]

Answer:5

Step-by-step explanation:

3 0
2 years ago
I WILL GIVE BRAINLIEST :)
Triss [41]

Answer: I got 50x+$75 but I’m not too sure for the last step

Step-by-step explanation:

7 0
2 years ago
I need help with this,, will give brianliest and +15 points
Anit [1.1K]

Answer:

41x² - 27x + 27

Step-by-step explanation:

Perimeter of Rectangle:

= 2(20x²-12x+4) + 2(5x²-5x+15)

= 40x²-24x+8 + 10x²-10x+30

= 50x²-34x+38

Perimeter of Triangle:

= 6x²+6x+3x+3+3x²-2x+8

= 9x²+7x+11

Difference:

(50x²-9x²)+(-34x+7x)+(38-11)

= 41x² - 27x + 27

8 0
2 years ago
What is the value of y 10 18 2y+4 10+2x
Sophie [7]
10 = 2y + 4
6 = 2y
y = 3

18 = 10 + 2x
8 = 2x
x = 4
8 0
3 years ago
Read 2 more answers
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