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
vladimir1956 [14]
3 years ago
13

21. 12(x + 3) = 4(2x + 9) + 4x

Mathematics
2 answers:
Ann [662]3 years ago
6 0

Answer:

Step-by-step explanation:

12x+36 =8x+36+4x

12x+36= 12x+36

which means any value of x will work.

Sedaia [141]3 years ago
6 0

4(2x + 9) +4x = 21.12(x + 3)

Simplify left side

8x + 36 + 4x = 21.12( x + 3)

Add 8x and 4x

12x + 36 = 21.12(x + 3)

Simplify 21.12(x + 3)

12x + 36 = 21.12x + 63.36

Move all terms containing x to left side of the equation

-9.12x + 36 = 63.36

-9.12x = 27.36

Divide each terms by -9.12 and simplify

x = -3 final answer

You might be interested in
What is the answer to -11y+x=-21
il63 [147K]
The answer to your question is
y= 1/11x +21/11
That’s in y=mx+b
5 0
4 years ago
Dean needs $150 for a miming class. He already has $85 and he can earn the rest by working 13 hours at his job. If h represents
AnnyKZ [126]

Answer:

h=$65/13

Step-by-step explanation:

So he has $85

Now the remaining amount he needs is $65

And in every 13h he produces the $65

So to find his hourly earning is h=$65/13

So the equation is

h = $65/13

3 0
4 years ago
If a quadratic function has x-intercepts at (-7,0) and 10,0), where would
madam [21]

Answer:

x = 1.5

Step-by-step explanation:

Since the axis of symmetry is between the 2 x intercepts, we can find it by finding the average of the x-coordinates of the 2 points.

(-7 + 10) / 2

3/2

= 1.5

So, the axis of symmetry is at x = 1.5

8 0
3 years ago
Liam is going on a vacation to Australia. His flight leaves at 3:15 P.M. It takes 1 hour and 35 minutes to get to the airport, a
Leni [432]

Answer:

12:40 is the anwser

Step-by-step explanation:

If his flight leaves at 3:15 and it takes and hour and 35 minutes to gett there than you would have to subtract 1 hour and 35 minutes from 3:15 so

3:15 minus 1 hour is 2:15

2:15 minus 35 minutes is 1:40

so now he wants to be and hour and 35 minutes earlier so the anwser would be

2:15 minus 1 hour is 1:15

1:15 minus 35 minutes is 12:40

8 0
2 years ago
What is the factored form of 49x2 - 56x + 16
OlgaM077 [116]
X = 4/7 = 0.571 I believe so
8 0
3 years ago
Read 2 more answers
Other questions:
  • If your data set does not include an outlier which measure of center, Mean or Median, is best to use to describe your data. Expl
    15·1 answer
  • (22 points )Karl’s bowling score went from 174 to 205 what was the percent of increase?plz help me .. give right answer plz and
    10·2 answers
  • Determine which ratio form a proportion with 8/3 by finding a common multiplier
    5·1 answer
  • - у<br> 6x - 4у - 2<br><br> What is the next step?
    15·1 answer
  • 20 times 1/2 I don't know what th8s means can you help
    12·2 answers
  • Adjacent angles have no common interior points. A.)Always. B.)Sometimes. C.)Never
    14·2 answers
  • Katie has $120 on her cafeteria cardka. everytime she orders a meal , $4.50 is deducted from the
    12·2 answers
  • Which one is it?<br> This is to fill the void.
    14·1 answer
  • I need an answer to this "How many tickles does it take to make an octopus laugh
    14·1 answer
  • M &lt; c <br>Enter the number that belongs in the green box.
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!