Answer:
18pi
Step-by-step explanation:
Ⓗⓘ ⓣⓗⓔⓡⓔ
Well, if the diameter is 18, the radius is 9.
If he needs edging, he's building a fence-like-structure around the garden which will be the circumference.
The formula for circumference is 2*pi*r
We'd just plug in 9 for r.
2*pi*9=18pi
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Answer:
12^2x = 7^4 = 2401
7^2=12^x
We know that a^x * a^x = a^(x+x) or a^2x
Multiply each side by 12^x
7^2 * 12^x=12^x * 12^x
7^2 * 12^x = 12^(x+x)
Replace 12^x with 7^2 on the left hand side since they are equal
7^2 * 7^2 = 12^ (2x)
7^(2+2) = 12^(2x)
7^4 = 12^2x
2401 = 12^2x
Step-by-step explanation:
Answer: -18/35
Step-by-step explanation:
(-3/5 )/(7/6)
To divide by a fraction, multiply by its reciprocal.
=−
3
/5
⋅
6
/7
=-18/35
in decimal form
-0.5412
Answer:
This equation can be solved by using y = kx.
Since y = 25 when x = 60,
25 = 60k and if we solve for k then k= 5/12.
That means the equation we're using is
y = (5/12)x.
Plug in y = 30 and you get
30 = (5/12)x
Solve for x
30 * (12/5) = x
360/5 = x
x = 72
Answer:
6.125 or 49/8 or 6 1/8
Step-by-step explanation:
Hope this helps