4 years ago

Space is a way of joining together points, lines, and

Mathematics

1 answer:

erastovalidia [21]4 years ago

4 0

Space is a way of joining together points, lines and...

Shapes

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What is the surface area of the composite figure shown?

kati45 [8]

Answer:

531 m²

Step-by-step explanation:

9x9x5=405 (5 sides that are 9x9, including the bottom)

1/2x9x7x4=126 (4 triangles on top)

405+126=531

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3 years ago

Which graph represents the function?<br><br> f(x)=2x√+1

gogolik [260]

Answer:

the 3rd one

Step-by-step explanation:

I just think

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3 years ago

Use the vertical line test to determine whether or not the graph is a graph of a function. plz help

liq [111]

Answer:

pretty sure both are yes

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3 years ago

What is the solution of the following system of equations ? y- 2x and= 6 , y - 4x =0

Sveta_85 [38]

Answer:

x=3 and y=12

Step-by-step explanation:

$y-2x=6$ equation:1

$y-4x=0$ equation:2

Solving equation:1 for 'y' in terms of x

$y=6+2x$ equation:3

Putting 'y' in equation:2 which will make the equation of the single variable

$y-4x=0$

$6+2x-4x=0\\-2x=-6\\x=3$

Putting value of 'x' in equation:3 to find 'y'

$y=6+2x$

$y=6+2(3)\\y=6+6\\y=12$

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4 years ago

Quadrilateral ABCD is a trapezoid with an area of 20 cm^2 Find the height of the trapezoid, h. Round the answer to the nearest t

sergij07 [2.7K]

Area of <span>trapezoid=(7+3)*h/2=20 cm2
10*h/2=20
5h=20
h=4

the answer is 4.0 cm</span>

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3 years ago