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Alekssandra [29.7K]
3 years ago
13

Which logarithmic graph can be used to approximate the value of y in the equation 3^y = 4?

Mathematics
1 answer:
pentagon [3]3 years ago
5 0

Answer:

c

Step-by-step explanation:

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Solve for x given the lines are parallel.<br> (7x - 8)<br> 62°
QveST [7]

Answer:

The answer is 0 ✌

Step-by-step explanation:

70 - 8 =62°

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132 books are printed in 2 hours, 264 books are printed in 4 hours, and 528 books in 8 hours, how many books are printed in 3 ho
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So the unit rate is 66:1
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3 years ago
the line joining A(a, 3) to B(2 -3) is perpendicular to the line joining C(10,1) to B. The value of a is?
RideAnS [48]
Well, first off, let's find what is the slope of BC

\bf \begin{array}{lllll}&#10;&x_1&y_1&x_2&y_2\\&#10;%   (a,b)&#10;B&({{ 2}}\quad ,&{{ -3}})\quad &#10;%   (c,d)&#10;C&({{ 10}}\quad ,&{{ 1}})&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope = {{ m}}= \cfrac{rise}{run} \implies &#10;\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{1-(-3)}{10-2}\implies \cfrac{1+3}{10-2}&#10;\\\\\\&#10;\cfrac{4}{8}\implies \cfrac{1}{2}

now, a line perpendicular to that one, will have a negative reciprocal slope, thus

\bf \textit{perpendicular, negative-reciprocal slope for slope}\quad \cfrac{1}{2}\\\\&#10;slope=\cfrac{1}{{{ 2}}}\qquad negative\implies  -\cfrac{1}{{{ 2}}}\qquad reciprocal\implies - \cfrac{{{ 2}}}{1}\implies \boxed{-2}

now, we know the slope "m" of AB is -2 then, thus

\bf \begin{array}{lllll}&#10;&x_1&y_1&x_2&y_2\\&#10;%   (a,b)&#10;A&({{ a}}\quad ,&{{ 3}})\quad &#10;%   (c,d)&#10;B&({{ 2}}\quad ,&{{ -3}})&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope = {{ m}}= \cfrac{rise}{run} \implies &#10;\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{-3-3}{2-a}=\boxed{-2}&#10;\\\\\\&#10;\cfrac{-6}{2-a}=-2\implies -6=-4+2a\implies -2=2a\implies \cfrac{-2}{2}=a&#10;\\\\\\&#10;-1=a
6 0
3 years ago
Penny caught a fish that weighed 2.9 lbs. The fish Harold caught weighs 60%
IrinaVladis [17]

Answer:

4.64

Step-by-step explanation:

2.9 x 1.60=4.64

3 0
2 years ago
Which points are the vertices of the ellipse?
SIZIF [17.4K]

Answer

The points of intersection of the ellipse and its major axis are called its vertices. Here the vertices of the ellipse are A (a, 0) and A′ (− a, 0).

Step-by-step explanation:

4 0
2 years ago
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