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2 years ago

Plz help, will mark brainliest!

Mathematics

2 answers:

eimsori [14]2 years ago

8 0

Answer:

the answer is "B" (thank me later) ;))

Aleksandr [31]2 years ago

4 0

Answer:

Given:- $f(x)=\frac{x-3}{x+2}$

Solution:- $\left(-\infty \:,\:-2\right)\cup \left(-2,\:\infty \:\right)$

So, Answer:- $All \: real\: value \: of x\: such \; that \: \neq -2$

OAmalOHopeO

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stepladder [879]

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3 years ago

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Alik [6]

Answer:

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Step-by-step explanation:

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900 is the area for the whole park

To find the pool area you need to do pi times Radius squared

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That equals 78.5 for the pool area.

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3 years ago

For each part below, give an example of a linear system of

N76 [4]

Answer:

a)g: 3x + 4y = 10 b) a:x+y = 5 c) c: 3x + 4y = 10

h: 6x + 8y = 5 b:2x + 3y = 8 d: 6x + 8y = 5

Step-by-step explanation:

a) Has no solution

g: 3x + 4y = 10

h: 6x + 8y = 5

Above Equations gives you parallel lines refer attachment

b) has exactly one solution

a:x+y = 5

b:2x + 3y = 8

Above Equations gives you intersecting lines refer attachment

c) has infinitely many solutions

c: 3x + 4y = 10

d: 6x + 8y = 5

Above Equations gives you collinear lines refer attachment

i) if we add x + 2y = 1 to equation x + y = 5 to make an inconsistent system.

ii) if we add x + 2y = 3 to equation x + y = 5 to create infinitely system.

iii) if we add x + 4y = 1 to equation x + y = 5 to create infinitely system.

iv) if we add to x + y =5 equation x + y = 5 to change the unique solution you had to a different unique solution

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3 years ago

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babunello [35]

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3 years ago

Ellis is painting wooden fenceposts before putting them in his yard. They are each 5 feet tall and have a diameter of 1 foot. Th

Naya [18.7K]

Answer:

39.25 cubic feet of paint will be needed by Ellis.

Step-by-step explanation:

Volume of a cylinder:

The volume of a cylinder of radius r and height h is given by:

$V = \pi r^2h = 3.14r^2h$

How much paint will Ellis need to paint all the surfaces of the 10 fenceposts?

This is the combined volume of these 10 fenceposts.

They are each 5 feet tall and have a diameter of 1 foot.

Radius is half the diameter, so $r = \frac{1}{2} = 0.5$ . Also $h = 5$

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Each has the same volume, so:

$V = 10(3.14)r^2h = 31.4(0.5)^2(5) = 39.25$

39.25 cubic feet of paint will be needed by Ellis.

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2 years ago