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pishuonlain [190]
3 years ago
15

Which equation is represented by Ms. Wilson's model?

Mathematics
1 answer:
butalik [34]3 years ago
5 0

Answer:

B. n2+13n+40= (n+8) (n+5)

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I need to find the least common denominator of x+2/x^2+2x-3 , x-7/x^2+5x+6
grin007 [14]

Answer:

(x + 3)(x - 1)(x + 2)  

Step-by-step explanation:

The fractions are:  

\dfrac{x + 2}{x^{2} + 2x - 3} \text{ and } \dfrac{x - 7}{x^{2} + 5x + 6}

Factor each denominator  

x^{2} + 2x - 3 = (x + 3)(x - 1)\\x^{2} + 5x + 6 = (x + 3)(x + 2)

We must find the least common multiple of the denominators.  We take the maximum power of each separate factor.

      Factors of first fraction = (x + 3) × (x - 1)

Factors of second fraction = (x + 3)             × (x + 2)

                                   LCM = (x + 3)(x - 1)(x + 2)

The lowest common denominator of the two fractions is (x + 3)(x - 1) (x + 2).

4 0
3 years ago
Would someone do number 10 and 12
Sliva [168]

Answer:

they would divide it

Step-by-step explanation:

because that what some people would do

5 0
4 years ago
X/3 - 38 =42 what is the value of x
madam [21]
X/3 - 38 = 42

x/3 = 80

x = 240
8 0
4 years ago
How many 1/8-inch pieces of ribbon can be cut from a piece of ribbon that is 3/4 inch long? and I cant be a friction
Anarel [89]

Answer:

100 inches

Step-by-step explanation:

8 0
3 years ago
What is the value of i^20+1?<br><br> A. 1<br> B. -1<br> C. -i<br> D. i
Svetllana [295]
I’m thinking b would be it i’m not so sure
7 0
3 years ago
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