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
DiKsa [7]
3 years ago
15

I don’t understand how to do this 3a + 7 + 2(3 +a)

Mathematics
1 answer:
Dovator [93]3 years ago
6 0

Answer:

5a+13

Step-by-step explanation:

You might be interested in
A store sells ladders. • The retail price was a 40 percent markup over the manufacturer price. • A month later, the store reduce
TEA [102]
For this item, we represent the very original value or price of the given item by x such that increasing the retail price by 40 percent will give us 1.4x. Also, when the retail price of the item is reduced by 25 percent, we have.
                          new retail price = 1.4x (1 - 0.25) = 1.05x. 
This means that the new retail price is only 5% over the manufacturer price. 
6 0
3 years ago
Which number is a reasonable estimate for 553 +363?<br> A 1,300<br> B 1,000<br> 600<br> D 200
Flura [38]

its b because you can round 363 to 400 and 553 to 600 400 + 600 = 1000

7 0
4 years ago
Read 2 more answers
During the 7 minutes previous to landing, an airplane decreased in elevation by −3,192 feet. Determine the mean elevation change
GarryVolchara [31]

Answer:

The answer is -456 feet per minute.

Step-by-step explanation:

They are asking for the average elevation change per minute. Since there are 7 minutes, you would divide -3,192 by 7, and that would result in -456

4 0
3 years ago
Read 2 more answers
3 and 4 plz help me im nice
Artyom0805 [142]

Answer:

3. 7.2

4. 20

Step-by-step explanation:

7 0
3 years ago
SOLVE THE SYSTEM USING ELIMINATION!!!!<br><br><br> HURRY ILL GIVE BRAINLIEST!!
Neporo4naja [7]

Answer:

(5,3)

Step-by-step explanation:

add the equations to eliminate to x's and get 8y=24

divide both sides by 8 to get y=3

then substitute in -2x+3(3)=-1 to solve for x

so x=5 so the solution is (5,3)

4 0
3 years ago
Read 2 more answers
Other questions:
  • 20 A what four factors were used to create this factor grid 4,6,9 14,?,49
    13·1 answer
  • What is 1 and 3/4 divided by 2
    11·1 answer
  • 12) Find mZVUT if mZVUT = 10x +9,<br> m_BUT = 7x - 1, and mZVUB= 37º.
    11·1 answer
  • To solve the problem I need the answer
    14·1 answer
  • Section 1
    9·1 answer
  • Explain how the percent equation relates proportional quantities
    10·1 answer
  • All questions to be solved using linear combination.
    5·1 answer
  • 2. Multiple Choice.
    7·1 answer
  • Factor this expression completely, then place the factors in the proper location on the grid.
    8·2 answers
  • D is 12.5% if you were wondering I really need help
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!