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
zimovet [89]
3 years ago
5

X2+xy=20, y2+xy=30, Solve for xy.

Mathematics
1 answer:
sashaice [31]3 years ago
6 0
If you substitute 2 for x, and 3 for y, than that gives you half the value of the real answer. So 2×3 =6, what is 6 half of? 12
You might be interested in
Please Help! I will give you the brainiest and a lot of points!
posledela

Answer:

1. 23/20 miles, 2. 7/20 miles

Step-by-step explanation:

1. Total distance = 3/4 + 2/5

= (3*5)/(4*5) + (2*4)/(5*4)

= 15/20 + 8/20

= 23/20

= 1 3/20 miles

2. Difference between walked miles and jogged miles = 3/4 - 2/5

= 15/20 - 8/20

= 7/20 miles

4 0
3 years ago
Joel has pans of brownies. The length of each brownie pan is 7 cm and the width is 9 cm. Find the area of the brownie pan.
borishaifa [10]

Answer: 63 cm squared

Step-by-step explanation:

9*7=63

3 0
3 years ago
Read 2 more answers
Expressions are equivalent to 4 ( 3 j + ( − 4 ) ) − 9
LenKa [72]

Answer:

12j - 25

Step-by-step explanation:

I had the exact same question

3 0
4 years ago
Read 2 more answers
What is x. PLEASE HELP NEED ANSWERS NOW. M=​
Agata [3.3K]
2(6x+20) +2(8x-16)=180
12x+16x+40-32=180
28x+8=180
X=180-8/28=6
I think so my calculation may be wrong )
4 0
3 years ago
Read 2 more answers
What is the approximate area of a circle with a radius of 11 m?
Katarina [22]

Answer:

380.13

Step-by-step explanation:

area= (pi)x(r^2)

pi times r squared

8 0
3 years ago
Read 2 more answers
Other questions:
  • FG=8x+4. If GH=4x+8 and FH=15x-9, then what does FH=?
    12·1 answer
  • Solve r(s+t)=u for the variable t. Describe the operations used to solve.
    12·2 answers
  • Answer these three question from what you see
    14·1 answer
  • What is the square root of 64
    11·2 answers
  • ASAP IM IN DESPRITE NEED OF SLEEP How do I write an equation in slope intercept form based off of a pair of parallel lines?
    10·1 answer
  • What is a rational number between 1/6 and 1/12
    11·2 answers
  • Is -√16 a rational number or irrational?
    12·1 answer
  • Y ∝ 1 √ x If y = 4 when x = 64 find, y when x = 16
    9·1 answer
  • Answer asap!
    13·2 answers
  • Please helpppppppppp thanks!
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!