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Oliga [24]
3 years ago
13

What are the roots of the equation? x2−x−42=0 Enter your answers in the boxes.

Mathematics
1 answer:
Levart [38]3 years ago
8 0

Answer:

x = 7  x = -6

Step-by-step explanation:

x^2−x−42=0

Factor

What two numbers multiply to -42 and add to -1

-7*6 = -42

-7+6 = -1

(x-7) (x+6) =0

Using the zero product property

x-7 =0   x+6 =0

x = 7  x = -6

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Answer:

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Step-by-step explanation:

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125-35 is 90

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3 years ago
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Rudiy27
A is correct. 13.30 is more than 13.03. The 3 is in ten's place in 13.30, while it is in the hundred's place for 13.03.

I hope this helped! 
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3 years ago
What is the common denominator of 1/8 and 11/6
sashaice [31]

Answer:

24

Step-by-step explanation:

What we're asking ourselves here is... what is the <em>least</em> number possible that we can get as a denominator for both 1/8 and 11/6 <em>without</em> changing the value of either fraction.

Let's list off the first couple multiples of 8 and 6 to see the lowest number they can both become through multiplying:

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6 0
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