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Sunny_sXe [5.5K]

3 years ago

12

during migration , a butterfly can travel 30 miles in 1 hour . which graph best represents y , the number of miles a butterfly c

an travel in x hours ?

2 answers:

ollegr [7]3 years ago

8 0

Answer:

if you also now what this person is talking about it is b

Step-by-step explanation:

30 miles is 1 hour

60 miles is 2 hours

and so forward

Kaylis [27]3 years ago

5 0

We need the graph options to choose

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3 years ago

Im only have 10 minutes please. Is math

alukav5142 [94]

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2 years ago

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What is the area of a sector of a circle with a radius of 2.0 ft and a central angle of 2<img src="https://tex.z-dn.net/?f=%20%5

Zigmanuir [339]

$\bf \qquad \textit{area of a sector of a circle}
\\\\
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6 0

3 years ago

Find an equation of the circle that has center (-4,3) and passes through (6,-4).

kumpel [21]

Answer:

$(x+4)^2+(y-3)^2=149$

Step-by-step explanation:

The equation of a circle is $(x-h)^2+(y-k)^2=r^2$ where $(h,k)$ is the center of the circle and $r$ is the radius of the circle.

Given that $(h,k)\rightarrow(-4,3)$ and it passes $(6,-4)$ , their distance between each other must the radius of the circle, so we can use the distance formula to find the radius:

$d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}\\\\d=\sqrt{(-4-3)^2+(6-(-4))^2}\\\\d=\sqrt{(-7)^2+10^2}\\\\d=\sqrt{49+100}\\\\d=\sqrt{149}$

Therefore, if the length of the radius is $r=\sqrt{149}$ units, then $r^2=149$ , making the final equation of the circle $(x+4)^2+(y-3)^2=149$

5 0

2 years ago