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3 years ago

PLEASE HELPPP Instructions: Find the missing side. Round your answer to thenearest tenth

Mathematics

1 answer:

Andreyy893 years ago

7 0

Answer:

the trig sign to use is sine

sin(73)=x/15

multiply each side by 15 giving you:

sin(73)15=x

x=14.3

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List the steps that should be used to solve the equation f(x) = g(x) by graphing when f(x) = (1/2)² - 3 and g(x) = 3x + 5?

jolli1 [7]

value of x is: $x=\frac{-31}{12}$

Step-by-step explanation:

We need to solve the equation f(x)=g(x)

where $f(x)=(\frac{1}{2})^2-3$

and $g(x) = 3x + 5$

Solving to find f(x)=g(x)

Putting values of f(x) and g(x)

$f(x)=g(x)\\(\frac{1}{2})^2-3=3x + 5\\\frac{1}{4}-3=3x + 5\\Subtarct\,\,5\,\,on\,\,both\,\,sides:\\\frac{1}{4}-3-5=3x + 5-5\\\frac{1}{4}-8=3x\\Taking\,\,LCm\,\,on\,\,left\,\,side\\\frac{1-8*4}{4}=3x\\\frac{-31}{4}=3x\\Divide\,\,both\,\,sides\,\,by\,\,3\\x=\frac{-31}{4*3}\\x=\frac{-31}{12}$

So, value of x is: $x=\frac{-31}{12}$

The graph will be a straight line x= -2.58 or x = -31/12

Keywords: Composition of Functions

Learn more about Composition of Functions at:

#learnwithBrainly

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

the angle of depression of a boat from a cliff is 54 ° and if it approaches 150m to the coast it is 72 ° what is the height of the cliff?

Check attachment for drawing

Using trigonometry on triangle ABC

tan x = opposite / adjacent

tan72 = h / 150

h = 150 × tan 72

h = 461.65 m

Verifique el archivo adjunto para dibujar

Usando trigonometría en el triángulo ABC

tan x = opuesto / adyacente

tan72 = h / 150

h = 150 × tan 72

h = 461.65 m

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