Answer:
x = 19
Step-by-step explanation:
To solve proportions, you first need to cross multiply. , you would need to multiply each top number by 4. 76 = 4x, which then could easily be simplified down to 19 by just dividing by four.
If a line is 10 feet long but needs to be reduced to 80% of its original, how long will the new line be?
1 answer:
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Answer:
42°
Step-by-step explanation:
3x + 54° = 180° [Supplementary angles]
=> 3x = 180 - 54
=> 3x = 126
=> <u>x = 42</u><u>°</u><u> </u><u>(Ans)</u>