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lapo4ka [179]
2 years ago
14

using the substitution y = 3^x, show that the equation 9^x - 3^(x+1) + 2 can be written as (Y-1)(Y-2) = 0

Mathematics
1 answer:
hjlf2 years ago
8 0

Answer:

x=3, y=1

x=3, y=2

Hope this helps!

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mixer [17]
The answer is D!!!!!!!!

8 0
3 years ago
WILL GIVE BRAINLIEST: If the graph of 2x+3y − 6=0 is perpendicular to the graph of ax − 3y=5. What is the value of a?
Ilya [14]

Answer:

a = \frac{9}{2}

Step-by-step explanation:

To find the value of a, find the Slope of both the equations.

For lines to be perpendicular to each other    m_{1}m_{2}  = - 1

For line 1:

2x + 3y − 6 = 0 represent the line in y=mx +c form

3y = -2x + 6

y = \frac{-2}{3} x + \frac{6}{3}

y = \frac{-2}{3} x + 2

m_{1} = \frac{-2}{3}

For line 2:

ax - 3y = 5

ax = 5 + 3y

ax - 5 = 3y

y = \frac{ax}{3} - \frac{5}{3}

m_{2} = \frac{a}{3}

Apply the condition of perpendicularity:

\frac{-2}{3} * \frac{a}{3} = - 1

\frac{2a}{9} = 1

a = \frac{9}{2}

7 0
3 years ago
(*simplify*) <br><br> 2 x 3/5<br> Please help me
e-lub [12.9K]

Answer:

6/5

Step-by-step explanation:

hope this helps :)

6 0
3 years ago
What times what equals 108 and when addded equals 6
siniylev [52]
There is no such thing….
7 0
4 years ago
There are 100 classes at Sun Valley Magnet School. 45% of the classes are Math and Science. How many classrooms are not Math and
AveGali [126]
Do 100-45 and you get 55. So it is 55 classrooms that are not Math and Science.
6 0
3 years ago
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