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
Julli [10]
4 years ago
6

What is value of x in the equation(x+ 4)^5 =3125

Mathematics
2 answers:
koban [17]4 years ago
7 0
(x + 4)^5 = 3125
(x + 4)(x + 4)(x + 4)(x + 4)(x + 4) = 3125
(x² + 4x + 4x + 16)(x² + 4x + 4x + 16)(x + 4) = 3125
(x² + 8x + 16)(x² + 8x + 16)(x + 4) = 3125
(x^4 + 8x³ + 16x² + 8x³ + 64x + 128x + 16x² + 128x + 256)(x + 4) = 3125
(x^4 + 8x³ + 8x³ + 16x² + 16x² + 64x + 128x + 128x + 256)(x + 4) = 3125
(x^4 + 16x³ + 32x² + 320x + 256)(x + 4) = 3125
x^5 + 4x^4 + 16x^4 + 64x³ + 32x³ + 128x² + 320x² + 1280x + 256x + 1024 = 3125
x^5 + 20x^4 + 96x³ + 448x² + 1536x + 1024 = 3125
<u>                                                             -1024   -1024</u>
            x^5 + 20x^4 + 96x³ + 448x² + 1536x = 2101
                                                                     x = 1

olga_2 [115]4 years ago
5 0
(X+4)^5=3125
Use distributive property for x and 5 and 4 and 5 to get
5x+20=3125
Then subtract 20 from both sides to get
5x=3105
Then divide both sides by 5 to get
X= 621
You might be interested in
What is the missing polynomial?
Lynna [10]
2-29 it was b but if you lo
5 0
3 years ago
Determine the rate of change of f , f(x)= 6x-5
vagabundo [1.1K]

Answer:

6

Step-by-step explanation:

the rate of change is given by the slope of the line

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

f(x) = 6x - 5 is in this form

with slope m = 6 ← rate of change



5 0
3 years ago
Read 2 more answers
Find the area lying outside r=6cos(theta) and inside r=3+3cos(theta)
Sloan [31]
The area bounded by the 2 parabolas is A(θ) = 1/2∫(r₂²- r₁²).dθ between limits θ = a,b... 

<span>the limits are solution to 3cosθ = 1+cosθ the points of intersection of curves. </span>
<span>2cosθ = 1 => θ = ±π/3 </span>

<span>A(θ) = 1/2∫(r₂²- r₁²).dθ = 1/2∫(3cosθ)² - (1+cosθ)².dθ </span>
<span>= 1/2∫(3cosθ)².dθ - 1/2∫(1+cosθ)².dθ </span>
<span>= 9/8[2θ + sin(2θ)] - 1/8[6θ + 8sinθ +sin(2θ)] .. </span>
<span>.............where I have used ∫(cosθ)².dθ=1/4[2θ + sin(2θ)] </span>
<span>= 3θ/2 +sin(2θ) - sin(θ) </span>

<span>Area = A(π/3) - A(-π/3) </span>
<span>= 3π/6 + sin(2π/3) -sin(π/3) - (-3π/6) - sin(-2π/3) + sin(-π/3) </span>
<span>= π.</span>
7 0
3 years ago
You are selling tickets for a high school basketball game. Student tickets cost $3 and general admission tickets cost $5. You se
FinnZ [79.3K]

Answer:

5 stars? Answer down below

Step-by-step explanation:

a+b=350 => a=350 - b

3a + 5b = 1450

3(350-b)+b=1450

1050-3b+5b=1450

2b=400

b=200

a=150

3 0
3 years ago
Read 2 more answers
Which is the graph of f(x) = 5(2)x?
gayaneshka [121]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

f(x)=5(2)^{x}  

This is a exponential function of the form

f(x)=a(b)^{x}  

where

a is the initial value

b is the base

In this problem

a=5

b=2

using a graphing tool

see the attached figure

3 0
3 years ago
Other questions:
  • Can you please answer all pls
    11·1 answer
  • M-3x=2x+p<br> Solve for x
    6·2 answers
  • In x-5=9, the correct way to isolate the variable is to
    10·1 answer
  • Which ordered pairs are solutions to the inequality 4x+y&gt;−6?
    5·1 answer
  • Nine less than the product of 17 and c
    15·1 answer
  • Two ways technology can affect the environment
    8·1 answer
  • Can someone PLEASE help me with THIS QUESTION
    14·1 answer
  • Which expression has the same value as the one below?
    7·2 answers
  • 85
    8·2 answers
  • Please help i’m stuck in this and don’t know what to do
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!