natattack81
Answered

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EXPLAIN THE MISTAKE
FIND THE CORRECT ANSWER

SOMEONE PLEASE HELP ME ILL GIVE YOU BRAINLIST ANSWER!!!!

EXPLAIN THE MISTAKE FIND THE CORRECT ANSWER SOMEONE PLEASE HELP ME ILL GIVE YOU BRAINLIST ANSWER class=

Sagot :

Step-by-step explanation:

Both of these mistakes were made bc someone didn't know what "supplementary" means. If two angles are supplementary (an angle and its supplement) they ADD UP TO 180°

Mistake: They used 90 in the original set up. These angles do not add up to 90°.

47+x=180 subtract 47 from both sides

x = 133°

In #5, MISTAKE: the original set up, they put the two angles equal to each other. The two shown angles laying next to each other add up to 180°

115°+ (5x-10)°= 180° combine like terms

5x + 105° = 180 subtract 105 from both sides

5x = 75 divide by 5

x = 15

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