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
ad-work [718]
3 years ago
12

Three multiplied by the sum of 4 and a number is the same as 18 more than the number. Find the number.

Mathematics
1 answer:
arsen [322]3 years ago
6 0
3(4+n)=18+n
distribute
12+3n=18+n
minus n both sides
12+2n=18
minus 12 both sides
2n=6
divide by 2
n=3

the number is 3
equation is
3(4+n)=18+n
You might be interested in
Marco missed 4 questions on the test but answered 75% of the questions correctly.How many questions were on the test?
Nutka1998 [239]

Answer:10

Step-by-step explanation:

4 0
3 years ago
What is the axis of symmetry for f(x) = 2x2 - 8x + 8?<br> Ox<br> = -2<br> Ox=-3<br> Ox=3<br> Ox=2
zepelin [54]

Answer:

  x = 2

Step-by-step explanation:

For quadratic ax^2 +bx +c, the axis of symmetry is x = -b/(2a).

Here, we have a=2, b=-8, so the axis of symmetry is ...

  x = -b/(2a) = -(-8)/(2(2)) = 8/4

  x = 2

5 0
3 years ago
What is the slope of line b?
Semmy [17]

Answer:

It is c)1/2

Step-by-step explanation:

Since its rising its postive

And the rise is 1 and the run is 2 so the slope is 1/2

3 0
2 years ago
Read 2 more answers
Please hurry!! If you do answer, thank you.
stiv31 [10]

????????????????????

8 0
2 years ago
Does anyone know this
Dmitriy789 [7]

Answer: you minus the equations you have to get the equation that you want so it all can add up to that *

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • The function y=3.5x+2.8 represents the cost y (in dollars) of a taxi ride of x miles
    8·1 answer
  • The table shows ticket prices at the movie 16 theater.Let a represent the number of adult tickets, c the number of childrens tic
    15·1 answer
  • Which of the following is not a function?<br> A. y-x=6<br> B. y=2x²<br> C. x= -2<br> D. y+x=12
    12·2 answers
  • Anyone help me please,find the area of each figure.​
    9·2 answers
  • Tia owns a fruit shop and is selling a fresh lot of apples and oranges. She wants the ratio of apples to oranges sold to be 4 to
    13·1 answer
  • If a 11 inch wheel cost $21.35 what is the cost per square inch
    8·1 answer
  • HELP!!!!!!!!! ILL GIVE YOU BRAINLIEst!!!
    10·2 answers
  • Select all the equations where r 3 is a solution.​
    10·2 answers
  • the question for this is "*The Spanish Club begins the school year with a $50 balance in its account. To raise money for activit
    7·1 answer
  • You have a choice between going to an in-state college where you would pay $7000 per year for tuition and an out-of-state colleg
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!