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
Alex_Xolod [135]
3 years ago
15

a computer store sells both tablets and laptops. one brand of tablets cost $200. that same brand of laptop costs $400 . the stor

e manager wants to sell enough of this brand of tablets and laptops to reach the sales goal of $20,000

Mathematics
2 answers:
galben [10]3 years ago
7 0
200x+400y=20,000
X being the number of tablets sold.
Y being the number of laptops sold.
Sliva [168]3 years ago
3 0
<h2>Answer:</h2>

The equation that models this situation is:

               200x+400y=20000

<h2>Step-by-step explanation:</h2>

Let x denote the number of tablets sold.

and y denote the number of laptops sold.

Now, it is given  that:

One brand of tablets cost $200.

This means that if x tablets were sold then the cost obtained from tablets is: $ 200x

Also,

That same brand of laptop costs $400 .

This means that if y laptops were sold then the cost obtained from laptops is: $ 400y

The store manager wants to sell enough of this brand of tablets and laptops to reach the sales goal of $20,000.

This means that the total cost must be equal to 20,000

i.e.

       200x+400y=20000

You might be interested in
How many and what type of solutions does the equation have?
Natali [406]
Let's solve the equation 2k^2 = 9 + 3k
First, subtract each side by (9+3k) to get 0 on the right side of the equation
2k^2 = 9 + 3k
2k^2 - (9+3k) = 9+3k - (9+3k)
2k^2 - 9 - 3k = 9 + 3k - 9 - 3k
2k^2 - 3k - 9 = 0

As you see, we got a quadratic equation of general form ax^2 + bx + c, in which a = 2, b= -3, and c = -9.
Δ = b^2 - 4ac
Δ = (-3)^2 - 4 (2)(-9)
Δ<u /> = 9 + 72
Δ<u /> = 81

Δ<u />>0 so the equation got 2 real solutions:
k = (-b + √Δ)/2a = (-(-3) + √<u />81) / 2*2 = (3+9)/4 = 12/4 = 3
AND
k = (-b -√Δ)/2a = (-(-3) - √<u />81)/2*2 = (3-9)/4 = -6/4 = -3/2

So the solutions to 2k^2 = 9+3k are k=3 and k=-3/2

A rational number is either an integer number, or a decimal number that got a definitive number of digits after the decimal point.

3 is an integer number, so it's rational.
-3/2 = -1.5, and -1.5 got a definitive number of digit after the decimal point, so it's rational.

So 2k^2 = 9 + 3k have two rational solutions (Option B).

Hope this Helps! :)
7 0
3 years ago
Read 2 more answers
What is the sum of the interior angles of a convex 14-gon?
Ad libitum [116K]
I hope this helps you

6 0
3 years ago
During a promotional weekend a state fair gives a free admission to every 175th Person who enters the fair on Saturday there wer
emmasim [6.3K]

Answer:

69

Step-by-step explanation:

If every 175th person gets free admission, that means

175th

175 * 2 = 350th

175 * 3 = 525th

person gets free admission and so on...

This basically means <em><u>"how many 175s are there is 6742 (for first day) and 5487 (for 2nd day)?"</u></em>

<em><u /></em>

We would need to divide and see the WHOLE number, not the fractional(decimal) amount remaining. So

<u>1st Day:</u>

6742/175 = 38.53

This means 38 people will get free admission

<u>2nd Day:</u>

5487/175 = 31.35

This means 31 people will get free admission

In the 2 days, total of 38 + 31 = 69 people will get free admission

8 0
3 years ago
Complete the steps to solve the equation 4e2 + 2x = x-3 by graphing.
Nutka1998 [239]
Why do math got to be so complicated
5 0
3 years ago
When you solve using the quadratic formula and you get to
kvasek [131]

Answer:

\boxed{if \: b=  - 2 :  {b}^{2}  =  { (- 2)}^{2}  = 4}

8 0
3 years ago
Other questions:
  • Jeremy is making a cube using blocks. The cube is solid and has no holes. How many cubes did Jeremy use? A. 125 B. 75 C. 25 D. 1
    12·2 answers
  • Of the 36 students in the book club .five ninths Of the students prefer adventure books to historical books. How many of the stu
    12·2 answers
  • A ball will be drawn from a bag containing 20 balls numbered 1 through 20 . ​If each ball is equally likely to be drawn, what is
    5·2 answers
  • A random sample of 16 students selected from the student body of a large university had an average age of 25 years and a standar
    11·1 answer
  • The radioactive isotope carbon-14 is present in small quantities in all life forms, and it is constantly replenished until the o
    13·1 answer
  • Gym A charges $65 a month plus $7 per visit. The monthly cost at Gym B is represented by y = 7x + 55, where x is the number of v
    13·1 answer
  • Verify that MQ:QN = 2:3 by finding the lengths of MQ and QN
    8·1 answer
  • A shoe store was sells 2 pairs of shoe for $25.10.how much it would cost to buy 7 pairs of shoes?
    12·2 answers
  • Uhhh just look at the screenshot then answer
    13·1 answer
  • Maria's plant grew 3 1/4 inches every month for 2 1/2 months. How many inches did Maria's plant grow during that time?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!