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Ymorist [56]
3 years ago
6

Can someone help i dont understand exponential functions

Mathematics
1 answer:
Andrew [12]3 years ago
5 0

Answer:

1,3,4,6

Step-by-step explanation:

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Answer: No.

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Please help!! 20 POINTS!!<br><br> Give two examples of exponential decay.
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Explanation:

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4 years ago
Read 2 more answers
Rationalize the denominator of square root of negative 16 over open parentheses 1 plus i close parentheses plus open parentheses
emmasim [6.3K]
\bf \cfrac{\sqrt{-16}}{(1+i)+(6+3i)}\implies \cfrac{\sqrt{-1\cdot 16}}{1+i+6+3i}\implies \cfrac{\sqrt{-1}\cdot \sqrt{16}}{7+4i}&#10;\\\\\\&#10;\cfrac{i\cdot \sqrt{4^2}}{7+4i}\implies \cfrac{4i}{7+4i}\impliedby &#10;\begin{array}{llll}&#10;\textit{now, we'll multiply by the}\\&#10;\textit{conjugate of the denominator}&#10;\end{array}\\\\&#10;-------------------------------\\\\

\bf \textit{and recall }\textit{difference of squares}&#10;\\ \quad \\&#10;(a-b)(a+b) = a^2-b^2\qquad \qquad &#10;a^2-b^2 = (a-b)(a+b)\\\\&#10;\textit{also recall that }i^2=-1&#10;\\\\&#10;-------------------------------\\\\

\bf \cfrac{4i}{7+4i}\cdot \cfrac{7-4i}{7-4i}\implies \cfrac{4i(7-4i)}{(7+4i)(7-4i)}\implies \cfrac{28i-16i^2}{7^2-(4i)^2}&#10;\\\\\\&#10;\cfrac{28i-16(-1)}{49-(4^2i^2)}\implies \cfrac{28i+16}{49-[16(-1)]}\implies \cfrac{16+28i}{49+16}\implies \cfrac{16+28i}{65}&#10;\\\\\\&#10;\cfrac{16}{65}+\cfrac{28i}{65}
5 0
4 years ago
Helpppp helpppp helppppp helppppp
mr_godi [17]

Answer:

Do you know the cylinder volume formula?Answer is: V=Pi*r^2*h Let me explain what that means. So the Pi is a constant number equal to 3.14..... and continue and this doesn't effect the volume while radius and height are the ones who do that.The volume is more effected by the radius because if both of them are a same number the radius would be greater than the height.

If r= 2 and h=2 than V=Pi*2^2*2 V=3.14*4*2

Step-by-step explanation:

Let me solve the problem!

a) r=3 h=10 than V=Pi*3^2*10 V=Pi*9*10 V=90Pi

When we increase the raduis by 1

b)r=4 h=10

V=Pi*4^2*10 so V=Pi*16*10 so V=160Pi

c)r=3 h=11

V=Pi*3^2*11 so V=Pi*9*11 so V=99Pi

It meas that when the radius is increased by 1inc the volume is greater than when you increase the height by 1.

Thank!

6 0
3 years ago
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