3 years ago

How to find area of this kite?

1 answer:

7 0

You can seperate it into two triangles then take the area of each of those (a=1/2bh) and add each triangles area together

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What is the value of 7 in the number 21,780

Sergio [31]

1111111111111111111111111111111111111111111111111

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1 year ago

If a central angle measures 87°, then its arc will measure _____.

slavikrds [6]

Hope This Helps! <3

Good Luck Studying ^-^

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3 years ago

A share of Orange stock that was worth $25 in 2000 increased exponentially to $72 in 2010. What is the annual multiplier and wha

umka21 [38]

$\bf \qquad \textit{Amount for Exponential Growth}\\\\
A=I(1 + r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
I=\stackrel{multiplier}{\textit{initial amount}}\\
r=\stackrel{increase~rate}{rate\to r\%\to \frac{r}{100}}\\
t=\textit{elapsed time}\\
\end{cases}\\\\
-------------------------------$

$\bf \textit{we know that in }\stackrel{year~0}{2000}\textit{ there were }\stackrel{A}{\$25}\implies 25=I(1+r)^0
\\\\\\
25=I(1)\implies 25=I\qquad \qquad \boxed{A=25(1+r)^t}\\\\
-------------------------------\\\\
\textit{we also know that in }\stackrel{year~10}{2010}\textit{ it turned to }\stackrel{A}{72}\implies 72=25(1+r)^{10}$

$\bf \cfrac{72}{25}=(1+r)^{10}\implies \sqrt[10]{\frac{72}{25}}=1+r\implies \sqrt[10]{\frac{72}{25}}-1=r
\\\\\\
0.111576\approx r\implies r\%=100\cdot 0.111576\implies r\approx \stackrel{\%}{11.1576}$

6 0

3 years ago

(b) The sum of a number and its reciprocal is<br> 2 1/6.Find the number

Phoenix [80]

Answer:

Step-by-step explanation:

n+1/2n=7/2

2n^2+1/2=7/2

4n^2+2=14

4n^2=12

n^2=3

n=radical3

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2 years ago

Emay ears $15 for each car she washes. Create an equation to represent the relationship between the number of cars

emmasim [6.3K]

Answer:

$25

Step-by-step explanation:

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3 years ago