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
dusya [7]
3 years ago
15

4^(x-1)+4^(x)+4^(x-1)=84

Mathematics
1 answer:
creativ13 [48]3 years ago
3 0

Answer:

7.66

Step-by-step explanation:

Just open the parenthesis.

4x-4+4x+4x-4=84

Now simplify and solve

12x-8=84

12x=92

x= 7.66

You might be interested in
Solve for x check your solution
abruzzese [7]
Area for a triangle is (1/2) bh or bh/2
So using this info, b = 1.5 m and h = x and A = 1.5 m^2

A = bh/2
1.5 = 1.5x/2
Multiply both sides by 2 to get rid of fraction ... 3 = 1.5x
Divide both sides by 1.5 ... 2 = x so x= 1.5 m
8 0
3 years ago
Please help i’ll give brainliest
stepan [7]

Step-by-step explanation:

maybe 11 I'm not a 100% just trying to help because that's how many full squares it has

8 0
3 years ago
= 21229<br> = 72112<br> = 18284<br> ⚫️ = ?
lidiya [134]
do you mean by this
6 0
3 years ago
Javier earns money taking care of lawns on his neighborhood.He charges $12.00 a yard to weed, $20.00 a yard to mow, $15.00a yard
dangina [55]
$72 bc yard 1 is $32 and yard 2 is $35 plus the $5 tip
7 0
3 years ago
Your school is putting on a prom fashion show, and you are in charge of building a platform to serve as a stage. Main stage is a
rodikova [14]
The answer would be tewlce
7 0
3 years ago
Other questions:
  • What is the slope of (-17,-11), (10,8)
    13·2 answers
  • A family of five goes out to dinner and spends $114.10. This includes a 20% tip. How much did the family's server receive for a
    6·2 answers
  • 1. Tristan Sandino is selling his motorcycle. His friend, Rudy, is offering to pay cash in the amount of $8,800. Another friend,
    8·1 answer
  • The slope intercept form of the equation of a line that passes through (-2,13) is y =5x-3what is the point slope form of the equ
    15·1 answer
  • SOMEONE ANSWER THIS QUESTION BEFORE I GO CRAZY!!!
    13·2 answers
  • Find the slope of the line. Enter your answer in simplest form.<br><br><br> (-3, -2)<br> (5,-2)
    8·1 answer
  • Write an equation that models the data
    15·1 answer
  • Can someone please help me pleaseeee!
    15·1 answer
  • The distance between City A and City B is 250 miles. A length of 2.1 feet represents this distance on a certain wall map. City C
    7·2 answers
  • Hurry please!!!!!
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!