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koban [17]
3 years ago
15

Solve the equation below 18 = 6 ( 2 x - 8 )

Mathematics
2 answers:
MrRissso [65]3 years ago
7 0

Answer:

x=11/2

Step-by-step explanation:

Trava [24]3 years ago
4 0
18= 12x - 48
18 + 48 = 12x
66 = 12x
66/12 = x
x= 5.5
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Given that tan^2 theta=3/8,what is the value of sec theta?
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Answer:

The value of SecФ is  \pm \sqrt{\frac{11}{8}} .

Step-by-step explanation:

Given as for trigonometric function :

tan²Ф = \frac{3}{8}

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∵ tanФ = \frac{Perpendicular}{Base}

So,  \frac{Perpendicular}{Base} =  \sqrt{\frac{3}{8} }

So, Hypotenuse² = perpendicular² + base²

or, Hypotenuse² = ( \sqrt{3} )² + ( \sqrt{8} )²

Or,  Hypotenuse² = 3 + 8 = 11

Or,  Hypotenuse = ( \sqrt{11} )

Now SecФ = \frac{Hypotenuse}{Base}

or, SecФ = \frac{\sqrt{11}}{\sqrt{8}} = \sqrt{\frac{11}{8} }

<u>Second Method</u>

Sec²Ф - tan²Ф = 1

Or, Sec²Ф = 1 +  tan²Ф

or, Sec²Ф = 1 +  \frac{3}{8}

Or, Sec²Ф = \frac{11}{8}

Or,  SecФ = \pm \sqrt{\frac{11}{8}}

Hence The value of SecФ is  \pm \sqrt{\frac{11}{8}} . Answer

7 0
3 years ago
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The school amrching band has 36 members, the band director wants to arrange the band members into a square formation how many ba
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If it is in a square formation, you would have to find the square root of 36 which is 6
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Ve. .
Alinara [238K]

Answer:

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Step-by-step explanation:

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2 by 3

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$6.50 per pound $4.00 +$2.50=$6.50

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