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
IgorLugansk [536]
3 years ago
14

0.2(x+50)-6=0.4(3x+20)

Mathematics
1 answer:
inessss [21]3 years ago
5 0
0.2(x+50)-6=0.4(3x+20) so like here Let's solve your equation step-by-step.<span><span><span>0.2<span>(<span>x+50</span>)</span></span>−6</span>=<span>0.4<span>(<span><span>3x</span>+20</span>)</span></span></span>Step 1: Simplify both sides of the equation.<span><span><span>0.2x</span>+4</span>=<span><span>1.2x</span>+8</span></span>Step 2: Subtract 1.2x from both sides.<span><span><span><span>0.2x</span>+4</span>−<span>1.2x</span></span>=<span><span><span>1.2x</span>+8</span>−<span>1.2x</span></span></span><span><span><span>−x</span>+4</span>=8 </span>Step 3: Subtract 4 from both sides.<span><span><span><span>−x</span>+4</span>−4</span>=<span>8−4              </span></span><span><span>−x</span>=<span>4 your answer is x=-4 because you divide by a negative 1</span></span>
You might be interested in
In a class 30 of students, 13 have a cat and 7 have a dog. There are 4 students who
AVprozaik [17]

Answer:

4/13

Step-by-step explanation:

"given that they  have a cat?" means you  are referring to only the students that have cats(that is the number on the bottom)

i am very bad at explaining math lol  

7 0
3 years ago
Based on the graph below, what is f(-1)? <br><br><br> 4 <br> 0 <br> 1 <br> -4
djyliett [7]
The answer is f(-1)=
1
8 0
3 years ago
A block of concrete is 1m long, 50cm wild and 4cm thick. 1.calculate the volume of the block in cm3 .2.if 1cm has a mass of 2.7g
Nonamiya [84]

9514 1404 393

Answer:

  • 20,000 cm³
  • 54 kg

Step-by-step explanation:

1 m is 100 cm, so the volume is ...

  V = LWH

  V = (100 cm)(50 cm)(4 cm) = 20,000 cm³ . . . volume

__

The mass is ...

  (20,000 cm³)(2.7 g/cm³) = 54,000 g = 54 kg

The mass of the block is 54 kg.

7 0
3 years ago
When Devon cashed a $450 check at the bank, the teller gave him 18 bills, all $20 bills and $50 bills. Which system of equations
Neporo4naja [7]
B is the answer to the equation
7 0
3 years ago
What happened to the tutor option :(
ElenaW [278]

Answer: wym

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • What multiplied by itself 3 times gives you -216 please answer asap!!!
    13·2 answers
  • 3 packets of French fries, 2 cheeseburgers, and one drink cost $10.95. 1 packet of French fries, 2 cheeseburgers, and 3 drinks c
    7·1 answer
  • .50 x 32? Please help. i will mark brainliest!
    14·2 answers
  • Probability and statistics
    7·1 answer
  • Need help on this please
    13·2 answers
  • BC =<br> Round your answer to the nearest hundredth.<br> B<br> 200<br> ?<br> А<br> 4
    10·1 answer
  • Solve.<br><br> −8y ≥ 56<br><br><br> y ≤ 7<br><br><br> y ≥ 7<br><br><br> y ≥ –7<br><br><br> y ≤ −7
    10·1 answer
  • Find All Real Square Roots Of 144
    15·1 answer
  • Find the slope and y-intercept of equation y= 10x + 18
    7·1 answer
  • Before rock climbing, Michelle wants to know how
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!