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
professor190 [17]
3 years ago
15

Solve the system. x + y = 8 2x2 – y = –5 Add the equations

Mathematics
2 answers:
mixas84 [53]3 years ago
6 0

Answer: Solve the system. x + y = 8 2x2 – y = –5 Add the equations, then choose the result. 3x2 = –13 3x2 = 3 2x2… Get the answers you need, now!

2 answers

 

·

 

Top answer:  

2x^2 - y = -5 x + y = 8----------------add2x^2 + x = 3 <==** 2x^2 and x cannot be add

Step-by-step explanation: HAVE A GREAT DAY

Leya [2.2K]3 years ago
5 0

Answer:

X+Y = 8

2X-Y =-5

(X+2X+Y-Y)=8-5

3X=3

X=1

Y:

1+Y=8

Y=8-1

Y=7

You might be interested in
sheldon bought 4 1/2 kg of plant food. he uses 1 2/3 kg on his strawberry plant and used 1/4 kg for his tomato plant. how many k
fenix001 [56]

Answer:

Sheldon have left 2\frac{7}{12}\ kg of food.

Step-by-step explanation:

Quantity of food = 4\frac{1}{2}=\frac{9}{2} kg

Quantity used on strawberry plant = 1\frac{2}{3} = \frac{5}{3}\ kg

Quantity used on tomato plant = \frac{1}{4}\ kg

Food left = Total - used on strawberry - used on tomato

Food left = \frac{9}{2}-\frac{5}{3}-\frac{1}{4}

Food left = \frac{54-20-3}{12} = \frac{31}{12}

Food left = 2\frac{7}{12}\ kg

Therefore,

Sheldon have left 2\frac{7}{12}\ kg of food.

4 0
2 years ago
Solve for x ill give brainlest!!!
butalik [34]

Answer:

x=-9

Step-by-step explanation:

36^{x-3}=1296^{x+3}\\(6^2)^{x-3}=(6^4)^{x+3}\\2(x-3)=4(x+3)\\x-3=2x+6\\x+6=-3\\x=-9

8 0
3 years ago
Tamara is creating a model of a rectangle. She has 26 inches of yellow ribbon to use for the border of the rectangle. She wants
DIA [1.3K]
P = 2(L + W)
L = W + 3
these would be ur equations...and u would sub in 26 for P

6 0
3 years ago
Read 2 more answers
A
saveliy_v [14]

mhmm..whichuksnackru?..fishnchiips OUHHHOOUUHHYESS SandyROASTthatsevenbaetterthanfishnchips

4 0
3 years ago
Read 2 more answers
How much is in the account in year 6 ?
dybincka [34]
I think the answer is c 
its 1155 but this is closest to the right answer
hope it helps

8 0
3 years ago
Other questions:
  • Find the approximate height of the flagpole.
    7·2 answers
  • You want your friend to go a movie with you tonight. She has $8.00 to spend. The movie cost $6.50, a large box of popcorn is $4.
    10·1 answer
  • As you're heading out for a rousing evening of playing Dungeons and Dragons, you grab your pouch of dice. Unfortunately, the dra
    9·1 answer
  • How do I do this question, I'm very confused, I need an answer quickly
    7·1 answer
  • Simplify 15x^5y^5/25xy^9
    9·1 answer
  • Which of the following shows 2.736 correctly rounded to the tenths place?
    7·1 answer
  • Find y.<br> Round to the nearest tenth:<br> у<br> 270<br> 350 ft<br> y = [? ]ft
    9·2 answers
  • University Theater sold 479 tickets for a play. Tickets cost $22 per adult and $14 per senior citizen. If total receipts were $7
    12·1 answer
  • Evaluate f (x) = -4x + 7 when x = 2 and x = -2
    15·1 answer
  • Find the solutions to the equation below check all the apply 5x^2+7x-5=0​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!