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Firdavs [7]
3 years ago
10

Can you help me simplify this and explain it -----------------------------------------------------------------------------------

----------------------------------------------------------------------------------
28 + 7g ; distributive

(12r + 15) – 65 ; associative

24 – (8p – 12) ; distributive
Mathematics
1 answer:
Archy [21]3 years ago
7 0
A. Factor 28 + 7g  7(g <span>+ 4) 

add 
28 </span><span>+ 7g 

= 7 (g </span>+ 4)

B. (12r + 15) – 65 Remove parentheses
12r+15-65

= 12r - 50 

C. 24 – (8p – 12)

24 - (8p - 12) = -8p + 36 

24 - (8p - 12)  -(8p - 12) 8p + 12

= 24-8p+12

Simplify 24-8p+12 

Group like terms
-8p+12+24

Add the numbers  12+24=36

Answer is -8p+36



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y varies inversely with x.

Example:

If we multiply x by 2 we need to divide y by 2 too.

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If y = 16 and x = 1/2, find y when x = 32

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