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swat32
2 years ago
9

Jeffrey thinks that the largest place value that 8.21 and 19.5 have in common is the tens place. Austin thinks that the largest

place value they have in common is the ones place. A.) Who is correct, Jeffrey or Austin? B.) Write how you would explain your answer to the person who answered incorrectly.
Mathematics
1 answer:
faust18 [17]2 years ago
7 0
Jeffrey was right because if you add zero behind the 5 it will be I the tenth place
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5.64 × 10^5

Step-by-step explanation:

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inysia [295]

Answer:

(x+3)^2+(y-2)^2=9

Step-by-step explanation:

<u>Equation of a circle</u>

(x-a)^2+(y-b)^2=r^2

where:

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  • r is the radius

From inspection of the diagram, the center of the circle <em>appears</em> to be at point (-3, 2), although this is not very clear.  Therefore, a = -3  and  b = 2.

Substitute these values into the general form of the equation of a circle:

\implies (x-(-3))^2+(y-2)^2=r^2

\implies (x+3)^2+(y-2)^2=r^2

Again, from inspection of the diagram, the <u>maximum vertical point</u> of the circle appears to be at y = 5.  Therefore, to calculate the radius, subtract the y-value of the center point from the y-value of the maximum vertical point:

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Substitute the found value of r into the equation:

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Therefore, the final equation of the given circle is:

\implies (x+3)^2+(y-2)^2=9

7 0
1 year ago
Read 2 more answers
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Answer:

square root of 2 or if needed simplified, 1.414213 to the nearest millionth.

Step-by-step explanation:

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Write y= - 4x on a graph
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If u put in a graphing calculator and look at the table you can plot the points given

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