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
Rom4ik [11]
4 years ago
6

How do you solve this system of equations? 18x^2+12xy-18y^2=30 -x^2-3xy+y^2=3

Mathematics
1 answer:
kiruha [24]4 years ago
6 0
Combine the like terms.

You might be interested in
***Please Help and show work*****
guajiro [1.7K]
A. 25% or 3/12 B. 25% or 3/12 C. 28% D. 20%
or A. 20% B.10% C.28% D.20% pretty sure first for i listed is correct
4 0
3 years ago
Need help with this problem explain pls
Usimov [2.4K]
All sides of an equilateral triangle are equal, so all three sides are 9 cm.
To find h, use the pythagorean theorem. This requires use of only one right triangle, where we use b as our h.

a^2+b^2=c^2
(4.5)^2+b^2=(9)^2
(20.25)+b^2=(81)
b^2=(81/20.25) or 4
square root both sides
b=2
6 0
4 years ago
If the price of an item is $60 and there is a sales tax of 4.25%. what is the amount of tax you would have to pay?​
anzhelika [568]

Answer: the total is 62.55 so you would be paying $2.55 in tax

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Need ASAP <br> Select the correct answer.<br> Which expression is equivalent to this quotient?
never [62]
Your answer is : D.)

Hope this helps love! <3
4 0
3 years ago
Read 2 more answers
If a ratio of 2 to 5 how many people are the ratio of 2 out of 210 people
Wewaii [24]
I'm pretty sure it is 105 people

7 0
3 years ago
Other questions:
  • The surface areas of two similar figures are 25in^2 and 36in^2. If the volume of the smaller figure is 250in^3, what is the volu
    10·1 answer
  • Why is math so hard!‍♀️
    13·2 answers
  • Which character thought he was back in the Bastille and fretted over his boots?
    11·1 answer
  • Which expression is equivalent to 73 ⋅ 7−5?
    11·2 answers
  • The driveway measuring 280 ft.² is to be paved john has an apprentice working for him and divide the child between the two of th
    13·1 answer
  • Are the Triangle similar? Why or why not?
    5·2 answers
  • Z +5 = 6<br> Help please
    12·2 answers
  • What is tan 0 when sec 0 = 5? (1,0) tan 0 = [?]V[​
    14·1 answer
  • Find BC. AB=25 AC=25 BD=3x+4 DC=4x-5
    8·2 answers
  • Which is the better buy?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!