(PLZ HELP I'M DOING THE QUIZ RN AND IT'S LIKE 50MINS LONG)
2 answers:
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Answer:
80 ft
Step-by-step explanation:
Circumference is approximately 250 ft
We want to find the diameter.
Circumference of a circle = π × D (D is the diameter)
So πD ≈ 250 ft
D ≈ ≈ 79.57747155
Diameter is approximately 80 ft.
B = hours babysitting
m = hours giving music lessons
so... whatever "b" and "m" are, their sum for that week was 18
thus
b + m = 18
now, money wise, she makes $5 for "b" and that is, she made 5*b or 5b that week
for "m", she makes $12, so for that week she made 12*m or 12m
whatever "b" and "m" are
thus
5b + 12m = 139
now
solve for "b", to see how many hours she spent babysitting
m = hours giving music lessons
so... whatever "b" and "m" are, their sum for that week was 18
thus
b + m = 18
now, money wise, she makes $5 for "b" and that is, she made 5*b or 5b that week
for "m", she makes $12, so for that week she made 12*m or 12m
whatever "b" and "m" are
thus
5b + 12m = 139
now
solve for "b", to see how many hours she spent babysitting