Darlene spent 20 minutes jogging and 10 minutes cycling and burned 400 calories . The next day she did 10 minutes of jogging and
20 minutes of cycling and burned 350 calories . How many calories were burned for each minute of jogging and how many for each minute of cycling
2 answers:
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Answer:
See explanation
Step-by-step explanation:
1 step: - given
2 step: - Segments Addition Postulate
3 step: - Substitution Property
4 step: - Segments Addition Postulate
5 step: - Substitution Property
6 step: - given
7 step: - Substitution Property of Equality
8 step: - Subtraction Property of Equality
we are given
DEF is a line
so, sum of angles must be 180
angle(DEG)+angle(GEF)=180
now, we can plug values
.........Answer
vertically opposite angle must be equal
angle(GEF)=angle(DEH)
now, we can plug values
now, we can plug x=16
...................Answer