taterbugwallen7944
21.10.2021 •
Chemistry
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Question
Question
A student measures the distance between points A and B. The student uses a stopwatch to measure the time taken to travel from point A
to point B. Which equation helps the student to calculate the speed at which an item travels?
Question
O Speed =
Distance
Time
Questio
O Speed =
Time
Distance
Questio
O Speed = Distance x Time
O Speed = Distance + Time
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Ответ:
x=18, m∠1=140, m∠2=40
Step-by-step explanation:
m∠1 and m∠2 will equal up to 180
7x+14+2x+4=180
Combine like-terms
9x+18=180
Subtract 18 from both sides.
9x=162
Divide both sides by 9
x=18
Then plug in 18 for x in the angle measures
7(18)+14=140
2(18)+4=40