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
matrenka [14]
3 years ago
6

15 points and brainliest!! please help !!

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
3 0
This will be solved by solving for x first. Firstly you multiply the top equation by 2 and the bottom by -3. This will change both equation to (top)-10x+6y=-54 and (bottom) 27x-6y=-57. Now when you add the factors the y-values cancel out leaving you with; 17x=-3. now you have to divide by 17 on both sides giving you x=-0.17647058823 (not the prettiest solution but you can round if you want to). After that pick an equation to solve for y (I'm picking the top); the equation will be 5(-0.17647058823)+3y=-27. multiply the negative decimal and 5 to get -0.88235294117 (again not the prettiest). Add that to both sides which will give you 3y=-26.1176470588. After this divide both sides by 3 which will give you y=-8.70588235294. Your answer is (-0.17647058823,-8.70588235294) You can divide to the second or third decimal if needed-----remember that as you round from left to right on a decimal if it's below five you leave it and if it's above 5 then round up 1. I hope this help :)
You might be interested in
The graph shows how many bottles a machine caps in a certain number of seconds.
devlian [24]

Answer:

The machine caps 900 bottles in 45 seconds

Step-by-step explanation:

15/300 is equal to 45/900

6 0
3 years ago
I need help ASAP (20points)
Leto [7]

y = x^2 + 2x...eqn 1

y = 3x + 20...eqn 2

subst for y in eqn 1...

=> x^2 +2x = 3x +20

=> x^2 - x - 20 =0

=> (x-5) (x+4) =0

=> x = 5 or -4

for x =5, y = 35 (sub for x in eqn 1 or 2)

for x = -4, y = 8 (sub for x in eqn 1 or 2)

5 0
3 years ago
Captionless Image ..............................................................................................................
Likurg_2 [28]

Answer:

um what?

Step-by-step explanation:

I don't understand this

7 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (9,60 and (14,7)?
bija089 [108]

This is (y2-y1)/(x2-x1), y2 being 12, y1 being 7, x2 being -39 and x1 being 26. So if you plug in the points it would be: (12-7)/(-39-26). This solved equals: -5/65 which simplified equals: -1/13

4 0
3 years ago
What is 805 thousandths in a decimal form
Elenna [48]
805 thousandths in a decimal form is 0.805. 
5 0
3 years ago
Other questions:
  • In order to estimate the height of a building, two students stand at a certain distance from the building at street level. from
    12·1 answer
  • Find the area of the rectangle or square 8yd 8yd
    12·1 answer
  • If f(x)=2x+1 and g(x)=x-3 then g(f(x))= ?x + ?
    7·1 answer
  • How do I solve 923÷4 using the standard or quotient method
    9·1 answer
  • Effective Rate find the effective rate of interest corresponding to a nominal rate of 7.5% per year compounded.
    14·1 answer
  • What is the value of sin 60
    9·1 answer
  • The smiths went to Larosa's for dinner and spent $42.50 on dinner. There is a 6.5% tax and they want to give a tip of 20% before
    11·1 answer
  • HELP ME PLEASE BRAINIEST IF CORRECT BEEN STUCK ON THIS FOR HOURS AND THIS IS DUE AT 11:59pm and it is 11:46pm!!!!
    15·2 answers
  • A recipe for sparkling grape juice calls for 1 1/2 quarts of sparkling water and 3/4 quart of grape juice. How much sparkling wa
    13·2 answers
  • URGENT needs steps on how to solve this problem
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!