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4 years ago

Help me solve these step by step please !!!

Mathematics

2 answers:

Anettt [7]4 years ago

7 0

Answer:

#2) is 25

Step-by-step explanation:

the best way to solve any of theses is in the order of pemdas:

●parentheses

●exponents

●multiplication & division

●addition & subtraction

for example lets do #2

9+ (2^2)(4)

the first parenthesis has exponents so you'd do it first. 2^2 (two two times) is 4

9+(4)(4)

when two parentheses are next to Each other you multiply. 4x4 is 16

9+16

then finally you add

use these steps for the rest. just comment if you have any questions

Monica [59]4 years ago

6 0

Answer:

all work is shown and pictured

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BlackZzzverrR [31]

Answer:

The solution of the given trigonometric equation

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Step-by-step explanation:

Step(i):-

Given

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$3x - \frac{\pi }{3} = \frac{\pi }{6}$

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Step(ii):-

The solution of the given trigonometric equation

$x = \frac{\pi }{6}$

verification :-

$cos( 3x - \frac{\pi }{3} ) = \frac{\sqrt{3} }{2}$

put $x = \frac{\pi }{6}$

$cos( 3(\frac{\pi }{6}) - \frac{\pi }{3} ) = \frac{\sqrt{3} }{2}$

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Both are equal

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