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
Mashcka [7]
3 years ago
7

Tom has a collection of 30 CDs and Nita has a collection of 18 CDs. Tom is adding 1 CD a month to his collection while It is add

ing 5 CDs a month to her collection. Write a system to find the number of months after which they will have the same number of CDs. Let x represent the number of months and y the number of CDs.
Mathematics
1 answer:
pogonyaev3 years ago
6 0
Hello,


30 + 1x = 18 + 5x 
<span>- 1x -1x </span>
<span>30 = 18 + 4x </span>
<span>-18 -18 </span>
<span>12 = 4x </span>
<span>12/4 = 4x/4 </span>
<span>3= x </span>
<span>3 months. </span>

<span>Now to proove it add 3 months to Tom. 30 + 1 +1 + 1= 33 </span>
<span>Now to Nita: 18 + 5 + 5 + 5= 33</span>
You might be interested in
Evaluate (f + g)(x) if f(x) = 2x and g(x) = 3X - 2<br> when x = 3
77julia77 [94]

Answer:

13

Step-by-step explanation:

→ Substitute 3 into 2x

2 × 3

→ Evaluate

f ( x ) = 6

→ Substitute x = 3 into 3x - 2

3 × 3 - 2

→ Evaluate

7

→ Find the sum of the 2 results

13

7 0
2 years ago
Which expression could help you find the distance between (10, 4) and (–6, 4)?
jok3333 [9.3K]

Answer:

Step-by-step explanation:

the  expression could help you find the distance between A(x; y) and B(x',y')is:

AB = √((x-x')²+(y-y')²)

in this exercise  :  x = 10

                             x' = - 6

                              y =4

                             y' = 4

cotninue ..................................

6 0
4 years ago
3. The student council is selling roses to collect funds for a charity. The graph be
dexar [7]

Answer:

Unit = 3

Step-by-step explanation:

Given

See attachment for graph

Required

The unit cost

Pick any point on the dots of the graph; we have:

(x,y) = (2,6)

The unit cost is then calculated as:

Unit = \frac{6}{2}

Unit = 3

5 0
3 years ago
A scale on a drawing is .5mm : 4cm. The height of drawing is 4.4 mm. What is actual height of object
ivanzaharov [21]
It would be 4.4mm/.5 mm x 4 cm = 35.2 cm
6 0
3 years ago
(Help me please) Read all of it pls?
fgiga [73]

Answer:

Jason still has 39 stickers.

Step-by-step explanation:

First, 57 + 64 + 71 = 192

Second, 231 - 192 = 39

Hope this helps!

5 0
3 years ago
Read 2 more answers
Other questions:
  • Suppose A and B represent two different school populations where A &gt; B and A and B must be greater than 0. Which of the follo
    12·1 answer
  • Please help on this question <br> !
    8·1 answer
  • Janet claims that (0,6) and (0,-1) are 5 units apart. Is she correct? Construct an argument to justify your answer. (Please answ
    8·1 answer
  • Hospitals typically require backup generators to provide electricity in the event of a power outage. Assume that emergency backu
    6·1 answer
  • Complete the table.tell whether the relationship is proportional relationship.write an equation for it
    8·1 answer
  • Which number serves as a counterexample to the statement below. 2X &lt; 3X
    15·1 answer
  • What is the area of the composite figure?<br> 10 POINTS WILL GIVE BRAINLIEST
    10·2 answers
  • 2. Destiny rents games from a company that charges a $9.00 monthly fee and $2.50 for each game rental. She ends up paying $26.50
    9·1 answer
  • Complete the ratio. 78 chairs in 6 rows : ______ chairs in 1 row.
    14·1 answer
  • A bag contains an unknown number of marbles. You know that P(red) = 1 and P(green) = 1. What can you conclude about how many mar
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!