Answer:
the top one is 25
Step-by-step explanation:
the second one is 112
Answer:
1. x=-9-7y
2. x = 120
Step-by-step explanation:
Answer:
4 out of 14
Step-by-step explanation:
there is only 4 door bells and 14 bells in total
The area of the cross section of the column is 81π
<h3>What is the area of the cross section of the column?</h3>
The given parameters are
Circumference, C = π18 meters
The area of the cross section of the column is calculated using the following circle formula
A = π(C/2π)^2
Substitute C = π18 in A = π(C/2π)^2
A = π(π18/2π)^2
Evaluate the quotient
A = π(9)^2
This gives
A = 81π
Hence, the area of the cross section of the column is 81π
Read more about areas at:
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5x+7x+24=180 5x = angle below (7x+24) so that makes them = 180
subtract 24 from each side
12x = 156
x=13
7x+24 = 6y+7
7(13)+24 = 6y+7
115 = 6y+7 corresponding angles
subtact 7
108=6y
y=8