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Grace [21]
2 years ago
8

One of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root?

Mathematics
1 answer:
Step2247 [10]2 years ago
8 0

Answer:

Step-by-step explanation:

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How do you write 750% as a fraction or mixed number
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750/100 or 7 1/2 whichever way u need

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This is confusing<br> (2x+y)^2−(x−2y)^2
Iteru [2.4K]

Answer:

{(2x + y)}^{2}  -  {(x - 2y)}^{2}

<  {(x + y)}^{2}  =  {x}^{2}  + 2xy +  {y}^{2}  >

<  {(x - y)}^{2}  =  {x}^{2}  - 2xy +  {y}^{2}  >

{(2x)}^{2}  + 2(2x)(y) +  {(y)}^{2}  -  {(x)}^{2}  - 2(x)(2y) +  {(2y)}^{2}

{4x}^{2}  + 4xy +  {y}^{2}  -  {x}^{2}  - 4xy +  {4y}^{2}

{4x}^{2}   -  {x}^{2}  +  {4y}^{2}  +  {y}^{2}

= {3x}^{2}  +  {5y}^{2}

5 0
3 years ago
Read 2 more answers
Given the expression -15 (10 2/3) A. Rewrite the expression using distributive property B. Evaluate the expression in show all y
Ainat [17]

9514 1404 393

Answer:

  -160

Step-by-step explanation:

  -15(10 2/3) = -15(10) +(-15)(2/3) = -150 -30/3 = -150 -10 = -160

The mixed number can be written as the sum of an integer and a fraction. The multiplier then multiplies the integer and the fraction separately, and the two products are added.

8 0
3 years ago
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