2 years ago

Please Answer for brainliy i only have 5 mins left of class

Mathematics

1 answer:

PolarNik [594]2 years ago

7 0

Answer:

Step-by-step explanation:

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2 years ago

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1)simplify the expression (2x)^4 2)the perimeter of a rectangular is twice the sum of its length and its width. the perimeter is

Marta_Voda [28]

$(2x)^4=16x^4$
------------------------------------------
$2(l+w)=16\\
l=2w+2\\\\
2(2w+2+w)=16\\
6w+4=16\\
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w=2\\\\
l=2\cdot2+2\\
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$
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$-3+yi=x+6i\Rightarrow x=-3 \wedge y=6$

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3 years ago

A cylindrical rain barrel has a radius of 2 feet and holds a total of 30 cubic feet of water. How tall is the rain barrel? Use 3

enot [183]

Answer:

2.39 feet

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

$V=\pi r^{2}h$

where

r is the radius of the base of the cylinder

h is the height of the cylinder

we have

$V=30\ ft^3$

$r=2\ ft$

$\pi =3.14$

substitute

$30=(3.14)(2^{2})h$

Solve for h

$30=(3.14)(4)h$

$h=30/12.56$

$h=2.39\ ft$

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3 years ago

The diameter of a circle is 17 cm. Find the circumference \textit{to the nearest tenth}to the nearest tenth.

aev [14]

Answer:

52.4 cm

Step-by-step explanation:

Circumference of a circle = 2πr

Radius, r = diameter / 2

= 17 cm / 2

= 8.5 cm

π = 3.14

Circumference of a circle = 2πr

= 2 × 3.14 × 8.5

= 53.38 cm

Approximately 52.4 cm

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2 years ago

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brilliants [131]

The answer is A

Sine you are subtracting,
x-x=o
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