Enter the equation of the circle described below. Center (0, 4), radius sqrt 3

2 answers:

6 0

Equation of a circle is:
(x - h)^2 + (y - h)^2 = r^2

where (h, k) is the center and r = radius

put in n the values given
(x - 0)^2 + (y - 4)^2 = (sqrt(3))^2
x^2 + (y - 4)^2 = 3

Rasek [7]3 years ago

5 0

Answer:

x^2 + (y - 4)^2 = 3

Step-by-step explanation:

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vladimir1956 [14]

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3 years ago

A box of pencils is 5 1/4 inches wide. Seven pencils, laid side by side, take up 2 5/8 inches of the width. How many inches of t

Andre45 [30]

Answer: Width of box is not taken up by pencils = $2\dfrac58\text{ inches}$

Width of each pencil $=\dfrac38\text{ inches}$

Step-by-step explanation:

Given: Width of pencil box = $5\dfrac14\text{ inches}=\dfrac{21}{4}\text{ inches}$

Width of seven pencils = $2\dfrac58\text{ inches}=\dfrac{16+5}{8}\text{ inches}=\dfrac{21}{8}\text{ inches}$

Width of box is not taken up by pencils = Width of pencil box - Width of seven pencils

$\left \{ {{y=2} \atop {x=2}} \right. \dfrac{21}{4}-\dfrac{21}{8}\\\\=\dfrac{21\times2-21}{8}\\\\=\dfrac{21}{8}\text{ inches}=2\dfrac58\text{ inches}$