3 years ago

Please solve this quadratic equation:9^x-1 = 27^X-1

Mathematics

1 answer:

nadezda [96]3 years ago

5 0

Answer:

x=1

Step-by-step explanation:

if it is truly 9^(x-1)=27^(x-1), then you dont really need to use the quadratic fromula.

You might be interested in

2 . .- no I M m ' ‘ n pm ‘ 3 v I \ v my . ’ v 3,-- . ‘ C . 9 was - v ., .. ‘ 1

Alina [70]

30 is the answer of this equation

5 0

3 years ago

What angle has a tangent and sine that are both negative? 300 210 45 150

zimovet [89]

Answer:

$300^{\circ}$

Step-by-step explanation:

$\text{In quadrant IV, both ratios of tangent and sine are negative.}\\ \\300^{\circ}~ \text{lies in the fourth quadrant, so}~ \tan 300^{\circ} ~ \text{and}~ \sin 300^{\circ}~ \text{are negative.}$

6 0

2 years ago

4) linear equations 9+4x=-15

Sunny_sXe [5.5K]

Answer:

X=-6

Step-by-step explanation:

Subtract 9 on both sides

Add -9 and -15 You get -24

Divide -24 by 4 you get x=-6

8 0

3 years ago

Coffee cost $21.63 for 3 pounds. How much does one pound of coffee cost?

Ugo [173]

Answer:

$7.21

Step-by-step explanation:

Divide 21.63 by 3.

$\frac{21.63}{3} = 7.21$

One pound of coffee would cost $7.21

4 0

3 years ago

Read 2 more answers

There are 30 colored circles on the rug 1/5 of the circles are red how many red circles are on the rug

Daniel [21]

Answer:

15 circles

Step-by-step explanation:

half of 30 is 15 so there would be 15 red circlea

8 0

2 years ago

Read 2 more answers

Please solve this quadratic equation:9^x-1 = 27^X-1​

Please solve this quadratic equation:9^x-1 = 27^X-1