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Archy [21]
4 years ago
13

Which of the following is the equation of a circle whose center is at the origin and whose radius is 4?

Mathematics
1 answer:
Angelina_Jolie [31]4 years ago
7 0
The equation of circle is (x-a)^{2} +(y-b)^2=r^2 where (a,b) is the center of circle and r is radius of circle. In your question, (a,b)=(0,0) and r=4 so, the equation is x^2+y^2=4^2
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Points A, B, and C are collinear. Point B is between A and C. Find x if AB = 10x + 1, BC = 5x + 1, and AC = 17.
Fynjy0 [20]

The value of x is 1 .(C)

Step-by-step explanation:

Three or more points lying on a straight line are said to be collinear

In this question, B is the point between A and C. This means;

AB+BC=AC where;

AB=10x+1

BC=5x+1

AC=17

10x+1 + 5x+1 =17

15x+2=17

15x=17-2

15x=15

x=15/15 =1

Learn More

Collinear points : brainly.com/question/1593959

Keywords: collinear, points

#LearnwithBrainly

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Write an<br> explicit formula for an, the nth term of the sequence 24, 28, 32, ....
noname [10]

Answer:

Given the sequence 20, 24, 28, 32, 36, . . . find the 60th term.

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nth term pattern: a(n) = 20 + (n-1)4

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Step-by-step explanation:

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The number provided rounded to the nearest tenth is 13.2.

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