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
givi [52]
3 years ago
11

Can someone help me with system of equations?

Mathematics
1 answer:
nignag [31]3 years ago
3 0
2x + y = 350
x + 2y = 475 
3x + 3y = 825
x + y = 275
x = 275 - y 
(plug back into first equation) 
2(275 - y) + y = 350
550 - 2y + y = 350 
550 - y = 350
-y =-200 or y = $200 (dog)
therefore, x = $75 (cats)
Check
2(75) + 200 = 350
75 + 400 = 475 
HAPPINESS! :)
You might be interested in
18. Write an expression to represent the area of the shaded region in simplest form. Please help it's due tomorrow
IgorC [24]

Answer:

(x^2 + 2x - 21) sq units

Step-by-step explanation:

Area of the shaded region = Area of the larger rectangle - Area of smaller rectangle

Area of the larger region = x(x+2)

Area of the larger region =x^2 + 2x

Area of the smaller rectangle = 3 * 7

Area of the smaller rectangle = 21 sq. units

Area of the shaded region = x^2 + 2x - 21

Hence the required expression is (x^2 + 2x - 21) sq units

7 0
3 years ago
What is the percent of change if 30 is decreased to 25?
Luden [163]

Answer:

16.67%

Step-by-step explanation:

initial rate=30

final rate =25

decreased rate = 30 - 25= 5

Now,

Decreased % = (5 / 30) * 100%

= 16.67%

3 0
2 years ago
Read 2 more answers
Griffin ordered a pair of sneakers online. He had a $17 credit that he applied toward the purchase, and then he used a credit ca
MrMuchimi
Well it would be 63$ if we are not including tax because 80-17=63
4 0
3 years ago
the gasoline gauge on a van initially read 1/8 full. When 15 gallons were added to the tank, the gauge read 3/4 full. how many m
nexus9112 [7]
Let x be the capacity of the tank then
3x/4-x/8 =15,
then x=24, so so far it has 3/4 *24 =18 so you need 6 gallons to fill it up
5 0
3 years ago
3 times the sum of 1/3 of a number and 8 is 11
Bumek [7]
3(1/3x + 8) = 11
x + 24 = 11
x = 11 - 24
x = - 13
5 0
3 years ago
Other questions:
  • What is the slope of the line that passes through (2,3) and (6, - 4)?
    11·1 answer
  • If y=3x+4 were changed to y=5x+4 ,how would the graph of the new function compare with the first one ?
    5·2 answers
  • The sum of three consecutive integers is 162. what is the smallest og these integers?
    13·1 answer
  • The equation of a line is 6x-2y=12. Find the x-intercept and the y-intercept.
    7·1 answer
  • Evaluate each expression for x = 6 and for x = 3. Based on your results, do you know whether the two expressions are equivalent?
    8·1 answer
  • Please someone help me on these questions
    5·2 answers
  • Can you please help me THANK YOU
    9·1 answer
  • Robert started to save money to purchase a new game console. His savings at the end of the first week included a jar of 368 nick
    8·2 answers
  • Write the following expression in exponential form: (2 points)
    11·1 answer
  • Please answer this correctly!
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!