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3 years ago

Finding the area of each figure

Mathematics

2 answers:

Levart [38]3 years ago

7 0

The area of the figure i can see is 68.89 cm squared

Sergeeva-Olga [200]3 years ago

3 0

The area of this figure is =68.89cm2

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Solve 4x - 7 < 7 or -2x + 13 < 5

allochka39001 [22]

Answer:

1. x<7/2

2. x>4

Step-by-step explanation:

hope this helps

5 0

2 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]

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

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

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

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3 years ago

Slope 8/5;y-intercept(0,-9)

RoseWind [281]

Answer:

y = 8/5x - 9

Step-by-step explanation:

That would be your equation.

4 0

3 years ago

Find the slope between points (1,1) and (0,6)

ElenaW [278]

Answer:

6-1/0-1=5/-1

Step-by-step explanation:

change in y over change in x gives you gradient.therefore the gradient is negative 5

5 0

2 years ago

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Can 7/9 and 42/54 form a proportion

SOVA2 [1]

Answer:

yes

Step-by-step explanation:

42/54 = 6*7/6*9 = 7/9

7/9 = 42/54

8 0

3 years ago

Read 2 more answers