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2 years ago

Solve with k=10. Remember Oder of operations! 5k2

Mathematics

2 answers:

luda_lava [24]2 years ago

7 0

Answer:

510*510

=5102

=260100

5(10)^2

5*100 = 500

irga5000 [103]2 years ago

3 0

Answer:

500

Step-by-step explanation:

5(10)²

PEMDAS

You would do the exponent first, 10², which equals 100. Then Muliplication, 5*100 = 500

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3 years ago

NO LINKS!!!! Find the equation of the circle below

inysia [295]

Answer:

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

Step-by-step explanation:

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

where:

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From inspection of the diagram, the center of the circle appears 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:

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

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Again, from inspection of the diagram, the maximum vertical point 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:

⇒ radius (r) = 5 - 2 = 3

Substitute the found value of r into the equation:

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