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Anni [7]
3 years ago
14

Pls!! Which sum or difference is modeled by the algebra tiles?

Mathematics
2 answers:
lidiya [134]3 years ago
8 0

Answer:

<h2>Option C.</h2>

Step-by-step explanation:

Basically, to solve this problem, we just have to find the sum or difference that results in 2x^{2}+2x+2

Option A:

(x^{2}+4x-2)+(x^{2}-2x-4)=2x^{2}+2x-6

Option B:

(x^{2}+4x-2)+(x^{2}+2x+4)=2x^{2}+6x+2

Option C:

(x^{2}+4x-2)-(-x^{2}+2x-4)=x^{2}+4x-2+x^{2}-2x+4=2x^{2}+2x+2

Therefore, option C is the expression which models the algebra tiles.

nasty-shy [4]3 years ago
3 0

Answer: your answer is C

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Fill in each slot in the square with variables <em>a</em>, <em>b</em>, <em>c</em>, <em>d</em>, and <em>e</em>, in order from left-to-right, top-to-bottom. In a magic square, the sums across rows, columns, and diagonals all add up to the same number called the <em>magic sum</em>.

The magic sum is -3.9, since "diagonal 2" (bottom left to top right) has all the information we need:

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Use this to find the remaining elements

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<em>c</em> + (-1.3) + <em>d</em> = -3.9

  • row 3:

3 + <em>e</em> + 0.02 = -3.9

  • column 1:

<em>a</em> + <em>c</em> + 3 = -3.9

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<em>b</em> + (-1.3) + <em>e</em> = -3.9

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You will find

<em>a</em> = -2.62

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Using the information in the table given, the Gross pay, deductions and net pay for Orville staples are :

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Number of weeks in a year = 52

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Net pay = 30,000 - 5299.50 = $24700.50

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