1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Travka [436]
3 years ago
11

Pls help meeeee!!!! 3^5x-9= (1/27)^2x-8 for x. I alo put ia picture

Mathematics
2 answers:
Juliette [100K]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

3^(5x - 9) =  (1/27)^(2x-8)

3^(5x - 9) =(3^-3)^(2x-8)

3^(5x - 9) = 3^(-6x + 24)

So now you can solve for x since you have same base 3

5x - 9 = -6x + 24

11x = 33

 x = 3

masya89 [10]3 years ago
4 0

Answer:

x=3

Step-by-step explanation:

3^5x-9= (1/27)^2x-8

Replace 1/27 = 1/3^3 = 3^-3

3^5x-9= (3^-3)^2x-8

a^b^c = a^(b*c)

3^5x-9= 3^(-3)*2x-8

Distribute

3^5x-9= 3^-6x+24

Since the bases are the same, the exponents are the same

a^b = a^c  means b=c

5x-9= -6x+24

Add 6x to each side

5x+6x-9= -6x+6x+24

11x-9 = 24

Add 9 to each side

11x+9-9 = 24+9

11x = 33

Divide by 11

11x/11 = 33/11

x = 3

You might be interested in
1/3k+80=1/2k+120 what does k equal?
LenaWriter [7]

Answer:

k = -1/240

Step-by-step explanation:

to evaluate the value of k in the expression 1/3k+80=1/2k+120

we have

1/3k+80=1/2k+120

collect the like terms for easy evaluation

1/3k - 1/2k = 120 -80

1/3k - 1/2k = 40

find the lcm

2 - 3/6k = 40

-1/ 6k = 40

cross multiply

6k  x  40  = -1

240k = -1

divide both sides by 240

240k/240 = -1/ 240

k = -1/240

therefore the value of k in the expression 1/3k+80=1/2k+120 is equals to -1/240

8 0
2 years ago
(X+5)+(x-5)=56 what does x=?
kirill115 [55]

Answer:

x=28

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

x+5+x−5=56

x+5+x+−5=56

(x+x)+(5+−5)=56(Combine Like Terms)

2x=56

2x=56

Step 2: Divide both sides by 2.

2x/2=56/2

x=28

plz give me brainiest

8 0
3 years ago
R, S, and T are coplanar.<br> True<br> False
Pavel [41]

False, because when you connect them the don't even look like a line.

Hope this helps! ;)

8 0
3 years ago
The base of a solid in the region bounded by the parabola x2 + y = 4 and the line x + y = 2. Cross sections of the solid perpend
Evgen [1.6K]

Answer:

volume of the solid is 3.180

Step-by-step explanation:

given data

line x + y = 2

parabola  x2 + y = 4

to find out

the volume of the solid

solution

we draw a graph between line and parabola as show in fig given below attach

line cut at (-1,3) and (2,0)

so the length of diameter is ( 4 - x²) - (2 - x)

and radius of this semi circle will be ( 4 - x² - 2 + x ) /2

radius = (-x² + x + 2 ) /2

and r(x) will be  =  (-x² + x + 2 ) /2

and A(x) will be  = π ( r(x)² ) /2

we will integrate from -1 to 2

= \int_{-1}^{2}A(x))

= \int_{-1}^{2}(π ( (-x² + x + 2 ) /2)² ) /2))

= 81π / 20

volume of the solid is 3.180

4 0
3 years ago
John needs to buy at least 100 tiles to redecorate his bathroom. The tiles are sold in packs of 6.
AnnyKZ [126]

Answer: n\geq17

Step-by-step explanation:

Let n= Number of packs John needs.

Tiles in 1 pack = 6

Tiles in <em>n</em> pack = <em>6n</em>

If he needs at least 100 tiles.

then

6n ≥ 100

\Rightarrow\ n\geq100\\\\\Rightarrow\ n\geq\dfrac{100}{6}\\\\\Rightarrow\ n\geq\dfrac{50}{3}\\\\\Rightarrow\ n\geq16.67\\\\\Rightarrow\ n\geq 17

The required inequality: n\geq17

7 0
2 years ago
Other questions:
  • What is 20% of 55?<br> I need help PLEASE!
    14·2 answers
  • Can someone help me with this please?
    11·1 answer
  • A bowl holds 3/10 cup of oil when it is 2/5 full. Which statement best describes the quotient of 3/10 divided by 2/5?
    5·1 answer
  • Solve the equation 8.5 -1.2 x =6.7
    9·2 answers
  • If the cost to the store is $20 and the selling price is $32 what is the markup?
    14·2 answers
  • Find the equation of the line through (8,−6) which is perpendicular to the line y=x3−7.
    12·1 answer
  • a customer went to a garden shop and bought some potting soil for $11.50 and 9 shrubs. the total bill was $94.75. write and solv
    12·2 answers
  • 11 pounds 13 ounces = ounces
    5·1 answer
  • I need help please and fast
    6·2 answers
  • Please help!!!!!! (fill the blank)
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!