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
eimsori [14]
2 years ago
7

3x - 7 = 3x + 9; x = Please can someone help me and show me the answers step by steps

Mathematics
2 answers:
anyanavicka [17]2 years ago
5 0

Answer:

i think probably x∉∅

Step-by-step explanation:

3x-7 = 3x+9

-7 = 9

so x∉∅

Step2247 [10]2 years ago
3 0

Answer:

0 = 16 or No Solution

Step-by-step explanation:

1) Add  7   to both sides of the equation

3x - 7 + 7 = 3x + 9 + 7

2) Simplify

A. Add the numbers

3x = 3x + 9 + 7

B. Add the numbers

3x = 3x + 16

3) Subtract 3x  from both sides of the equation

3x - 3x = 3x + 16 - 3x

4) Simplify

A. Combine like terms

0 = 3x + 16 - 3x

B. Combine like terms

0 = 16

You might be interested in
Which number is least -5 or - 4.5
drek231 [11]

Answer:

Step-by-step explanation:

-5 BECAUSE -4.5 IS CLOSER TO 0

7 0
2 years ago
Read 2 more answers
Which table represents a nonlinear function?
miskamm [114]
The graph on the top right is non linear bc it breaks pattern in y column
5 0
2 years ago
What properties cannot be used in a proof
forsale [732]
I am certain the answer is C. Algebra properties are used in proofs. Postulates are definitely used. And definitions are explanations. So, it is C.
5 0
3 years ago
The equation of a line is y=-2.5x+3. Which one of these points lies on this line?
lakkis [162]
D is the correct answer. Since this is an equation, equation means both side are equal. So if you put each point in place of y and x and do the math on the left side, the final result of that side has to be equal to the left one. Only (-2,2) follows this statement aka its a point on this line .
7 0
3 years ago
Find a polynomial function of degree 3 with 2, i, -i as zeros.
sergiy2304 [10]

Answer:

p(x)= x^3-2x^2+x-2

Step-by-step explanation:

Here we are given that a polynomial has zeros as 2 , i and -i . We need to find out the cubic polynomial . In general we know that if \alpha , \ \beta \ \& \ \gamma are the zeros of the cubic polynomial , then ,

\sf \longrightarrow p(x)= (x -\alpha )(x-\beta)(x-\gamma)

Here in place of the Greek letters , substitute 2,i and -i , we get ,

\sf\longrightarrow p(x)= (x -2 )(x-i)(x+i)

Now multiply (x-i) and (x+i ) using the identity (a+b)(a-b)=a² - b² , we have ,

\sf  \longrightarrow p(x)= (x-2)\{ x^2 - (i)^2\}

Simplify using i = √-1 ,

\sf \longrightarrow p(x)= (x-2)( x^2 + 1 )

Multiply by distribution ,

\sf \longrightarrow p(x)= x(x^2+1) -2(x^2+1)

Simplify by opening the brackets ,

\sf\longrightarrow p(x)= x^3+x-2x^2-2

Rearrange ,

\sf\longrightarrow \underline{\boxed{\blue{\sf p(x)= x^3-2x^2+x-2}}}

4 0
2 years ago
Other questions:
  • A grid shows the positions of a subway stop and your house. The subway stop is located at (7, -7) and your house is located at (
    15·1 answer
  • A beach has two floating docks. One is 650 meters east of the lifeguard stand. The other is 60° southeast and 750 meters from th
    14·1 answer
  • Change the decimal to a percent. 0.43 =
    6·2 answers
  • PLEASE HELP! 10 POINTS! The pie chart shows the breakdown of sales for a sporting goods store. If the store made 4,560 sales, ho
    12·1 answer
  • A piece of paper is randomly selected from a stack that contains 15 small, 44 large, and zu extra large pieces.
    15·1 answer
  • What is the perimeter of a square with an area of 324 cm2?
    12·1 answer
  • The city council is planning a long, narrow park with a playground at one end and a fountain at the other. They want the playgro
    13·1 answer
  • Please do all of these!
    8·1 answer
  • Two swimming teams are competing in a 400 meter medley relay. During the last leg of the race,
    9·1 answer
  • Seven friends go to the local sandwich shop. All six people order the combination meal, which includes a drink and a veggie wrap
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!