3 years ago

Find the slope of the line 8x-2y=11

Mathematics

1 answer:

Alex777 [14]3 years ago

6 0

The slope equals to 4

By rearranging the equation to be this : y=4x-5.5

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Circle A has radius 4 feet. Circle B has radius 9 feet. What is the ratio of the area of circle A to the area of circle B?

yaroslaw [1]

Answer:

$\large\boxed{\dfrac{16}{81}}$

Step-by-step explanation:

The formula of an area of a circle:

$A=\pi r^2$

r - radius

Circle A:

radius = 4 ft. Substitute:

$A_A=\pi(4^2)=16\pi\ ft^2$

Circle B:

radius = 9 ft. Substitute:

$A_B=\pi(9^2)=81\pi\ ft^2$

The ratio:

$\dfrac{A_A}{A_B}=\dfrac{16}{81}$

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Step-by-step explanation:

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ladessa [460]

Answer:

you have described a "ray"

Step-by-step explanation:

A "ray" is a half-line: all the points on a line that are to one side of its terminal point. (The terminal point is included in the ray.)

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3a-2b=50, 2a+3b=100 what does a equal and what does b equal?

harina [27]

A = (350/13) and B = (400/-13)

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