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Tomtit [17]
3 years ago
14

Sorry for the little blur but number 18 please! And sorry for the work mess. Start where it says *Start Here*

Mathematics
1 answer:
motikmotik3 years ago
5 0
You are almost done!
well, the euation of a circle centered at (h,k) and radius r is
(x-h)²+(y-k)²=r²

so you havve
(x-3)²+(y+5)²=9 (which is correct)
this can be rewritten as
(x-3)²+(y-(-5))²=3²
the center is (3,-5) and the radius is 3
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3 x A = 30 + 30<br><br> it’s a 3rd grade problem but don’t know the answer
xenn [34]

Answer: A=20

Step-by-step explanation:

3×A=30+30............eqn 1

3A=60

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A=20

Substitute A=20 into equation 1

3x20= 30+30

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Step-by-step explanation:

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Mrrafil [7]
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3 years ago
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Murrr4er [49]

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3 years ago
2.34 x 10^65   + 9.2 x10^66  
vivado [14]

Answer:

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Step-by-step explanation:

2.34 X 10^65  +  9.2 X 10^66    (First, you have to manipulate the exponents to bring them to the same index, i.e. the same power)

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Now that the indexes are equivalent, we can proceed to add the two bases together.

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= 9.434 X 10^66

3 0
3 years ago
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