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BartSMP [9]
3 years ago
9

Find the radius of the circle given by the equation (x – 5)2 + (y - 3)2 = 225.

Mathematics
2 answers:
swat323 years ago
3 0

Answer:

The radius is 15

Step-by-step explanation:

In the equation, 225 is a square of a radius, so the radius itself is the square root of 225, which is 15.

Semmy [17]3 years ago
3 0

Answer: the radius is 15

Step-by-step explanation:

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Two trains are 210 miles apart, and their speeds differ by 17 mph. Find the speed of each train if they are traveling toward eac
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We know, that: 
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So:

v_1=\dfrac{s_1}{t_1}=\dfrac{s_1}{2} \\ \\ v_2=\dfrac{s_2}{t_2}=\dfrac{s_2}{2} \\ \\ \\ v_1+v_2= \dfrac{s_1}{2}+\dfrac{s_2}{2} \\ \\ v_1+v_2= \dfrac{s_1+s_2}{2} \\ \\  v_1+v_2= \dfrac{210}{2}=105

NOw we've got simple system of equations:

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3 0
2 years ago
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Volume=<br> Help me please thanks so much asap
hjlf

Answer:

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Step-by-step explanation:

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3 years ago
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