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choli [55]
3 years ago
14

Help me out with this one please

Mathematics
2 answers:
Anna11 [10]3 years ago
8 0

Answer:

5) x = -1

6) x = 2

Step-by-step explanation:

5) 5 + 2x + 6 = x + 10

   2x + 11 = x + 10

   2x + 1 = x

   1 = -x

   -1 = x

6) (9x + 7) + (-3x + 20) = 39

    6x + 27 = 39

    6x = 12

     x = 2

dlinn [17]3 years ago
8 0

Answer:

For question 5, x= -1

Step-by-step explanation:

Segment Addition Postulate = ab+bc=ac

For Question 5,

(a)     +    (b)  = (c)  

5+2x  +   6    = x+10

5+2x+6=x+10

<u>To solve that, </u>

5+2x+6=x+10

<u>Add 5+6 </u>

11+2x=x+10

<u>Subtract 11 from both sides</u>

2x= x-1

x-1=2x

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The factor of the given expression 3n² + 15np is 3n(n+5p).

<h3>What is factorization?</h3>

Writing a number or other mathematical object as the result of numerous factors—typically smaller or simpler objects of the same kind—is known as factorization or factoring in mathematics.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Given that the expression is 3n² + 15np. The factor of the expression will be calculated as,

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Option (c) is correct.

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Given: Gina invests $1,677 in an account paying 8.61% simple interest annually for 6 years.

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