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jeka57 [31]
3 years ago
13

A circle with radius 4 centimeters.

Mathematics
2 answers:
victus00 [196]3 years ago
5 0

Area=πr²

Area=π*4²

Area=π*16

Area=16π cm²

B.

Vaselesa [24]3 years ago
4 0

Answer:

16pi cm2

Step-by-step explanation:

Area of a circle = pi * radius * radius = pi * 4 cm * 4 cm = 16pi cm2

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What is the value of 4/5(8+7)-2/3(8+7)​
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The answer is 2.

Hope this helps and if you could mark this as brainliest. Thanks!

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3 years ago
WHAT IS X³-27 SIMPLIFIED
Eduardwww [97]

Answer:

<u>It</u><u> </u><u>is</u><u> </u><u>(</u><u>x</u><u> </u><u>-</u><u> </u><u>3</u><u>)</u><u>³</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u>(</u><u>3</u><u> </u><u>-</u><u> </u><u>x</u><u>)</u>

Step-by-step explanation:

Express 27 in terms of cubes, 27 = 3³:

=  {x}^{3}  -  {3}^{3}

From trinomial expansion:

{(x - y)}^{3}  = (x - y)(x - y)(x - y) \\

open first two brackets to get a quadratic equation:

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expand further:

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take y to be 3, then substitute:

( {x}^{3}  - 3^3) =  {(x - 3)}^{3}  - 9x(3 - x)

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3 years ago
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Answer:

$222.50

Step-by-step explanation:

Hours Josh worked last week = 30

Money earned per hour = $8.50

Money withheld = $32.50

Josh's net pay = (30 x 8.50) - 32.50

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