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Andre45 [30]
3 years ago
11

Which logarithmic equation is equivalent to the exponential equation below e^2x=7

Mathematics
1 answer:
Zarrin [17]3 years ago
4 0
\bf log_{{  a}}{{  b}}=y \iff {{  a}}^y={{  b}}\qquad\qquad 
%  exponential notation 2nd form
{{  a}}^y={{  b}}\iff log_{{  a}}{{  b}}=y \\\\
-----------------------------\\\\
e^{2x}=7\iff log_e(7)=2x\iff ln(7)=2x
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For ΔABC, which one is equivalent to sin(A)?<br><br> cos(B)<br> sin(B)<br> cos(C)<br> tan(C)
krek1111 [17]

Answer:

cos(C)

Step-by-step explanation:

Recall that the sine ratio is opposite over hypotenuse.

\sin(A)  =  \frac{BC}{AC}

Also the cosine ratio is adjacent over hypotenuse.

\cos(C)  =  \frac{BC}{AC}

The tangent ratio does not come close because it doesn't involve the Hypotenuse.

\therefore \sin(A)=\cos(C)

4 0
3 years ago
Read 2 more answers
Find the slope between the following points, show all work.<br> (-8, 19) and (-3, 13)
Ymorist [56]
Slope formula:

m = (y2-y1)/(x2-x1)
m = (13-19)/(-3-(-8))
m = (13-19)/(-3+8)
m = -6/5

The slope is therefore -6/5
4 0
3 years ago
A manager received an invoice for $86.30 for 30gal ice cream. how much did each gallon cost? a $3.49 b $3.15 c $4.26 d $2.88
Vinil7 [7]
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8 0
3 years ago
Michelle had 600 fish to feed the dolphins in a zoo. Each dolphins ate the same number of fish. There are 9 dolphins in all. How
garik1379 [7]
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4 0
3 years ago
Factorise 14x^2 - x - 3
nirvana33 [79]
14x² - x - 3 = 0
14x² - 7x + 6x - 3 = 0
-7x(-2x + 1) -3(-2x + 1) = 0

(-7x-3) & (-2x+1) = 0

Roots: -7x - 3 = 0
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OR -2x + 1 = 0
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x = 1/2

In short, Your Roots would be 1/2 and -3/7

Hope this helps!
6 0
4 years ago
Read 2 more answers
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