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2 years ago

What is the ratio of the circumference to the diameter for any circle? for example diameter is 8cm and circumference is 24cm

Mathematics

1 answer:

Anettt [7]2 years ago

6 0

Answer:

d = C/ $\pi$

Step-by-step explanation:

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Find k so that the distance from (–1, 1) to (2, k) is 5 units. k= k= *there are two solutions for 2*

dalvyx [7]

Answer:

k = -3

k =5

Step-by-step explanation:

$d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\d = 5\\(-1,1) =(x_1,y_1)\\(2,k)=(x_2,y_2)\\$

$5=\sqrt{\left(2-\left(-1\right)\right)^2+\left(k-1\right)^2}\\\\\mathrm{Square\:both\:sides}:\quad 25=k^2-2k+10\\25=k^2-2k+10\\\\\mathrm{Solve\:}\:25=k^2-2k+10:\\k^2-2k+10=25\\\\\mathrm{Subtract\:}25\mathrm{\:from\:both\:sides}\\k^2-2k+10-25=25-25\\k^2-2k-15=0\\\\\mathrm{Solve\:by\:factoring}\\\\\mathrm{Factor\:}k^2-2k-15:\quad \left(k+3\right)\left(k-5\right)\\\mathrm{Solve\:}\:k+3=0:\quad k=-3\\$

$\mathrm{Solve\:}\:k-5=0:\quad k=5\\\\k =5 , k=-3$

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2 years ago

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Suppose you roll a special 31-sided die. What is the probability that one of the following numbers is rolled?

madreJ [45]

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1 year ago

Two professional baseball teams played a four game series. Attendance for the first three games was 126,503 people, what was the

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2 years ago

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Harlamova29_29 [7]

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Step-by-step explanation:

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To understand this, bags of gas added make it go up, while bags of sand added make it go down:

1). Add bags of gas | balloon goes UP | 3 bags of gas ( +3 ), 10 bags of sand ( +10 )

2). Add bags of sand | balloon goes DOWN | 3 bags of sand ( -3 ), 10 bags of sand ( -10 )

3). Subtract bags of gas | balloon goes DOWN | subtract 3 bags of gas  - ( +3 ), subtract 10 bags of gas  - ( +10 )

4). Subtract bags of sand | balloon goes  UP  | subtract 3 bags of sand  - ( -3 ), subtract 10 bags of sand  - ( 10 )

<h2>HOPE THIS HELPS.</h2>

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2 years ago

What is the ratio of the circumference to the diameter for any circle? for example diameter is 8cm and circumference is 24cm​

What is the ratio of the circumference to the diameter for any circle? for example diameter is 8cm and circumference is 24cm