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
Travka [436]
3 years ago
5

The variable x represents the number of angelfish Carlos bought and the variable y represents the number of parrotfish he bought

.
Carlos bought 405 tropical fish for a museum display. He bought 8 times as many parrotfish as angelfish.

How many of each type of fish did he buy?

Which system of equations models this problem?



{x+y=405
y=8x

{x−y=405
y=8x

{x+4y=8
y=405x

{x+y=8
y=405x

Mathematics
2 answers:
siniylev [52]3 years ago
8 0
X + y = 405
y = 8x

To solve:
Plug the second equation into the first and solve for x.
x + 8x = 405
9x = 405
Divide both sides by 9
x = 45

Use the second equation to find y.
y = 8(45)
y = 360

45 angelfish
360 parrotfish
3241004551 [841]3 years ago
5 0
My Answer: <span>{x+y=405
y=8x

Hope I helped! :D</span>
You might be interested in
Please simplify n-2/n^2-4
Doss [256]

Answer:

\frac{1}{ {n}   +   {2}}

Step-by-step explanation:

\frac{n - 2}{ {n}^{2}  - 4}  \\  \\  =  \frac{n - 2}{ {n}^{2}  -  {2}^{2} } \\  \\  = \frac{n - 2}{ ({n}   +   {2})({n}  -  {2})} \\  \\  =  \frac{1}{ {n}   +   {2}} \\

8 0
3 years ago
Which choice is equivalent to the product below?<br> Square root 2 • square root 3 • square root 8
SIZIF [17.4K]
That would be simplified into

1.41 • 1.73 • 2.82 = 6.9

i don’t know what the choices are bc you didn’t put them but hopefully this does someone some good <3
7 0
3 years ago
What do calculators use to show scientific notation
max2010maxim [7]

Answer:

Basically, when a scientific calculator displays a number as aEb, it means to move the decimal point in a as follows:

If b is positive, move the decimal point b units to the right.

If b is negative, move the decimal point b units to the left.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Determine the slope from the given graph below:
kotegsom [21]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The area of a rectangle is represented by x^2-5c-14. What are the dimensions?
jekas [21]
The dimensions are factors of the expression 
... you multiply them together to get the area 

the factors are ... (x - 7) & (x + 2)
5 0
3 years ago
Other questions:
  • On level ground, a vertical rod 12 feet tall casts a shadow 4 feet long, and at the same time a nearby vertical flagpole casts a
    12·2 answers
  • How do you get figure 1 to 2?
    7·1 answer
  • Dale works at a mattress store, and makes a salary plus commission. He has a $500 weekly salary and makes a 5% commission for sa
    8·1 answer
  • How can you reduce 2 15/24
    15·2 answers
  • Divide (-2x-3+8x^2) by (1+4x)
    8·1 answer
  • 4 thousands equal how many hundreds
    15·2 answers
  • Help please I need help
    11·1 answer
  • 2.08/4<br><br> i also need a explanation on it
    8·2 answers
  • Is the question: Do prefer doing cool math problems or reading about old boring history? fair or biased
    14·2 answers
  • Find the total surface area of the triangular prism.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!