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3 years ago

Hey, can someone help me with this, please?

Mathematics

1 answer:

Pie3 years ago

3 0

If the area of the yard is 3a^2 and is also 7,500^2 then 3a^2=7,500^2

So we want to find what A is not 3a^2.

3a^2=7,500^2 now we square root both sides
3a=7,500 now we divide both sides by 3
a=2,500

And there you go a=2,500

Bainliest if this helped you?

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Find f(-2) for the function: f(x)= 3x^2-1, x<1 x+2, x> 1

azamat

F(x) = 3x² - 1
f(-2) = 3(-2)² - 1
f(-2) = 3(4) - 1
f(-2) = 12 - 1
f(-2) = 11

f(x) = x < 1
f(-2) = -2 < 1

f(x) = x + 2
f(-2) = -2 + 2
f(-2) = 0

f(x) = x > 1
f(-2) = -2 > 1
f(-2) = -2 < 1

8 0

3 years ago

Will give brainlyest if u help

goblinko [34]

Answer:

No, because it fails the vertical line test ⇒ B

Step-by-step explanation:

To check if the graph represents a function or not, use the vertical line test

Vertical line test: Draw a vertical line to cuts the graph in different positions,

if the line cuts the graph at just one point in all positions, then the graph represents a function

if the line cuts the graph at more than one point in any position, then the graph does not represent a function

In the given figure

→ Draw vertical line passes through points 2, 6, 7 to cuts the graph

∵ The vertical line at x = 2 cuts the graph at two points

∵ The vertical line at x = 6 cuts the graph at two points

∵ The vertical line at x = 7 cuts the graph at one point

→ That means the vertical line cuts the graph at more than 1 point

in some positions

∴ The graph does not represent a function because it fails the vertical

line test

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3 years ago

How many faces does the polyhedron have? _ faces How many vertices does the polyhedron have? _vertices How many edges does the p

Sindrei [870]

The polyhedron has:

6 Faces, 8 vertices and 12 edges in total.

But

3 Faces, 7 vertices and 7 edges are visible.

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Answer:

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2 years ago

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ikadub [295]

384 because 12*8=96*2=192*2=384

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2 years ago