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inna [77]
2 years ago
9

I NEED HELP WITH TRIGONOMETRY !!

Mathematics
1 answer:
shutvik [7]2 years ago
4 0

x is 14.3

\frac{x}{ \sin(a) } =  \frac{y}{ \sin(b) }

the right angle is 90 degrees, so sin(a) is 90

\frac{x}{ \sin(90) }  =  \frac{9}{ \sin(39) }

multiply sin(90) on both sides to give:

x =  \frac{9}{ \sin(39) }  \times  \sin(90)

x is 14.3

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zvonat [6]

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4 0
3 years ago
Use the formula for compound amount:$14,800 at 6% compounded semiannually for 4 years
GalinKa [24]

SOLUTION

Given the question in the question tab, the following are the solution steps to answer the question.

STEP 1: Write the formula for calculating compound amount

A=P(1+\frac{r}{n})^{nt}

where

A = final compounded amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

STEP 2: Write the given data

Semiannually means that n will be 2

P=14,800,r=\frac{6}{100}=0.06,n=2,t=4

STEP 3: Calculate the compound amount

\begin{gathered} A=14800(1+\frac{0.06}{2})^{2\times4}\Rightarrow A=14800(1+0.03)^{2\times4} \\ A=14800(1.03)^8 \\ A=14800\times1.266770081 \\ A=\text{\$}18,748.1972 \end{gathered}

Hence, the compounded amount after 4 years is $18,748.1972

6 0
1 year ago
Please help 1/2x-3=3/2x+4
Keith_Richards [23]
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3 years ago
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Ksivusya [100]
Answer and working out attached. Hope it helps

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2 years ago
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Answer:

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Step-by-step explanation:

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