Find the perimeter of this semi-circle with radius, r = 22cm. Give your answer rounded to 1 DP.
1 answer:
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The solution is: x= 7 and y = 2
Step-by-step explanation:
Given equations are:
Putting x = 3y+1 in equation 2 from equation 1
Subtracting 1 from both sides
Dividing both sides by 7
Putting y=2 in equation 1
Hence,
The solution is: x= 7 and y = 2
Keywords: Linear equations, substitution method
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The cost will be same for one session. The cost will be $128.
Step-by-step explanation:
Given,
Initial consultation charges for Plan One = $36
Per session fee = $92
Let,
x be the number of sessions.
O(x) = 92x+36
Initial consultation charges for Plan Two = $86
Per session fee = $42
T(x) = 42x+86
For same cost;
O(x) = T(x)
Dividing both sides by 50
Putting x=1 in T(x)
Putting x=1 in O(x)
The cost will be same for one session. The cost will be $128.
Keywords: function, division
Learn more about functions at:
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