Which is an equivalent equation solved for y ?
2 answers:
Answer:
4th Option is correct.
Step-by-step explanation:
Given:
x and y are the half length of the largest and smallest diameter of the ellipse.
Area of the Ellipse , a = πxy
To find: Equivalent Equation for y.
Consider,
a = πxy
πxy = a
(πx)y = a
transpose πx to RHS,
y = a ÷ ( πx )
Therefore, 4th Option is correct.
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Answer:
1.
2.
Step-by-step explanation:
Let the number of people in the group be x. Denote the total cost as C.
1. If the regular cost is $21 per person, then the total regular cost for x people is
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Answer:
On average, students in the 4th period did more chin-ups than students in the 2nd period
Step-by-step explanation:
Given the table values as
2nd Period 3 4 12 14 7 7 8 4 8 3 11 10 9 8 10 4 8 7 13 9
4th Period 10 3 14 14 16 15 7 12 7 10 12 8 10 9 6 11 9 1 2 5
Find the average chin-ups done by students in the gym classes
For 2nd Period gym class, the average will be;
=sum of chin-ups ÷ number of students
=sum of chin-ups in 2nd period gym class=
=number of students=20
Average=159÷20
=
For 4th Period gym class
Sum of chin-ups=
Number of students=20
Average number of chin-ups in the 4th period gym class
Average number of chin-ups in 2nd Period Class = 8
Average number of chin-ups in 4th Period Class= 9
Conclusion; On average students in the 4th period gym class made more chin-ups (9) than those in 2nd period gym class (8).