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ELEN [110]
3 years ago
7

What is the value of n? N–2=10n+42 Enter your answer in the box. N =

Mathematics
2 answers:
Oliga [24]3 years ago
8 0

\frac{44}{9}

Nezavi [6.7K]3 years ago
8 0

Answer:

n=\frac{-44}{9}

Step-by-step explanation:

n-2=10n+42

Solve the equation for n

To get n alone we combine like terms

Subtract 10n from both sides

n-2=10n+42

n-10n-2=10n-10n+42

-9n-2=+42

Now add 2 on both sides

-9n=+42+2

-9n=44

Divide both sides by -9

n=\frac{-44}{9}

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A person in a balloon which is 2,000 feet above the airport finds that the angle of depression to a ship out at sea is 21°. Find
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The horizontal distance is given by the formula:
tan θ=opposite/adjacent
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How many are 15 x 15 ?​
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Step-by-step explanation:

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3 years ago
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lou thinks the expression 27x^3-64 factors to (3x-4) (9x^2+12x+16). is he correct? How can you check his work? Show all work to
larisa [96]

Answer:

Step-by-step explanation:

(a³ - b³) = (a - b) (a² + ab + b²)

27x³ - 64 = 3³x³ - 4³

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Substitute in the above formula.

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The expression 27x^3-64 factors to (3x-4) (9x^2+12x+16).

4 0
3 years ago
Hellllppppp me plssss
vodka [1.7K]

Answer:

<h2>\huge \: 44.4</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • trigonometry
  • equation
  • PEMDAS
<h3>tips and formulas:</h3>
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<h3>given:</h3>
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<h3>let's solve:</h3>

\sin( \theta)  =  \frac{7}{10}

\theta = asin( \frac{7}{10} )

\theta = 44.4^{o}

8 0
3 years ago
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