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Alla [95]
2 years ago
9

Brian purchased 10 shares of an aggressive growth mutual fund at $90 per share, for a total of $900, 7 years ago. Today he sold

all 10 shares for $4,500. What was his average annual compound rate of return on this investment before tax?
Mathematics
1 answer:
fredd [130]2 years ago
5 0

Answer:

$514 give or take.  I could be wrong so you might want some confirmation on my answer before putting it on your test or what ever you need it for because i'm only in Middle School.

Step-by-step explanation:

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How do I verify the identity: sec(t)+1/tan(t)=tan(t)/sec(t)-1
kompoz [17]
\bf \textit{Pythagorean Identities}
\\ \quad \\
sin^2(\theta)+cos^2(\theta)=1
\\ \quad \\
1+cot^2(\theta)=csc^2(\theta)
\\ \quad \\
\boxed{1+tan^2(\theta)=sec^2(\theta)}\implies tan^2(\theta)=sec^2(\theta)-1\\\\
-----------------------------\\\\
\cfrac{sec(x)+1}{tan(x)}=\cfrac{tan(x)}{sec(x)-1}\\\\
-----------------------------\\\\

\bf \cfrac{sec(x)+1}{tan(x)}\cdot \cfrac{sec(x)-1}{sec(x)-1}\impliedby \textit{using the conjugate}\\\\
-----------------------------\\\\
recall\qquad \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-----------------------------\\\\
thus\qquad \cfrac{sec^2(x)-1^2}{tan(x)sec(x)-1}\implies \cfrac{sec^2(x)-1}{tan(x)sec(x)-1}
\\\\\\
\cfrac{\underline{tan^2(x)}}{\underline{tan(x)} sec(x)-1}\implies \cfrac{tan(x)}{sec(x)-1}
4 0
4 years ago
50 points!!! will mark brainliest for correct answer!!
GenaCL600 [577]
A- Number of Sunlight (per year)
3 0
3 years ago
Read 2 more answers
True or false? A histogram and a relative frequency histogram, constructed from the same data, always have the same basic shape.
alexandr402 [8]

Answer:

A. False

C. False

B. False

D. True

Step-by-step explanation:

Frequency histogram is denote the actual frequency of each observation or different class- intervals whereas Relative frequency distribution shows the fraction of that frequency to the total frequencies or the percent of that frequency to the total.

Thus the shape of both histogram are same.

A. False.

C. False

Since, Scale of the y-axis is different. But they has same shape.

B. False

Since, vertical scale is different for both histogram and horizontal scale is same.

D. True

4 0
3 years ago
Dave bought a new game for $28 the tax rate was 7% how much was the tax and total price?
Lana71 [14]

Answer:

Step-by-step explanation:

$ 29.96

7 0
3 years ago
Which equation can be used to find the value of x?
vlabodo [156]

Answer:

(4x-10)+62=180

Step-by-step explanation:

4x-72=180

4x=180+72

x=252/4

x=63°

7 0
3 years ago
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