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
Bas_tet [7]
3 years ago
13

Justify each step in solving the equation 6x = 3 (x + 4) by writing a reason for each statement.

Mathematics
1 answer:
BaLLatris [955]3 years ago
6 0
First thing is to multiply 3 by x and get 3x,then 3 by 4 equals 12. 3x+12....6x=3x+12...subtract 3x from 6x and get 3x=12..then divide 3 on both sides and 3x crosses out.. and x=4...this is what I have to say about this..
You might be interested in
Find slope of (2,2) and (4,b)
elena-14-01-66 [18.8K]

Answer: Use the slope formula to find the slope

m = −2−b/2

4 0
3 years ago
Perform the following multiplication<br><br>a) 9xy ( x²y – xy²)<br><br>b) 7 p²q² (9 pq - 9 p²q²)​
erastova [34]

Answer:

hsjishsvdndkssjxbbxjsiaiajbxbxbsjsisis

6 0
3 years ago
If 1/a, 1/b, 1/c are in Arithmetic Progress, show that 2ac/a+c.​
Iteru [2.4K]
  1. 1/b-1/a = 1/c-1/b [ since they are in arithmetic progress]
  2. 1/b+1/b = 1/c+1/a
  3. 2/b = (a+c)/ac
  4. 2ac = b(a+c)
  5. 2ac/(a+c) =b

6 0
3 years ago
Perform the indicated row operations
SVETLANKA909090 [29]

Answer:

\begin{bmatrix}2 & -1 & -4 & 7\\ 0 & -30 & 20 & -50\\ 0 & 30 & 24 & 6\end{bmatrix}

Step-by-step explanation:

Given matrix is,

\begin{bmatrix}2 & -1 & -4 & 7\\ 0 & 3 & -2 & 5\\ 0 & 10 & 8 & 2\end{bmatrix}

Operations performed,

-10R₂ → R₂

\begin{bmatrix}2 & -1 & -4 & 7\\ 0 & -30 & 20 & -50\\ 0 & 10 & 8 & 2\end{bmatrix}

3R₃ → R₃

\begin{bmatrix}2 & -1 & -4 & 7\\ 0 & -30 & 20 & -50\\ 0 & 30 & 24 & 6\end{bmatrix}

4 0
3 years ago
if you're currently making $6.75 per hour and you were offered a new job that pays $7.47 per hour, what will be your percent of
worty [1.4K]

Answer:

10.67% increase

Step-by-step explanation:

We can find percent increase with (difference/original) x 100

7.47 - 6.75

= 0.72 (difference)

(0.72/6.75) x 100

= 10.67% increase

5 0
3 years ago
Other questions:
  • A plumber is fitting pipes for a remodeled kitchen sink. The sink requires 3 different sections of pipe; the first is 6√96 feet
    10·1 answer
  • Complete the proof.<br><br> Prove: △VWX ≅ △XYV<br> A) AAS <br> B) ASA <br> C) HL <br> D) SAS
    11·2 answers
  • What is the vertex of y = (x + 5)^2 - 6
    6·1 answer
  • A nickel, a dime, and a quarter are touching as shown. Tangents are drawn from point A to both sides of each coin. In a short pa
    9·1 answer
  • Need help on question please!
    9·1 answer
  • What could represent the total cost
    7·1 answer
  • Help me please i dont understand
    5·1 answer
  • Please help me i don’t know how to solve this
    10·1 answer
  • I need help with this question
    7·1 answer
  • Plz help im bad at this type of math
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!