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
mina [271]
3 years ago
5

4x+2y=20 and 3x-y=10 Which coordinate solves both equations.

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
7 0

4x + 2y = 20

3x - y = 10

Multiplying second equation by 2.

6x - 2y = 20

Adding to the first,

10x = 40

x = 4

y = 3x - 10 = 3(4) - 10 = 2

Answer: (4, 2)

Check:

4(4) + 2(2) = 16+4 = 20, good

3(4) - 2 = 12 - 2 = 10, good

You might be interested in
Patricia invites her friends to dinner at a restraint. The bill is $32.80 she decides to leave a 15% tip. If she pays with a $50
kobusy [5.1K]

Answer:

First you will want to turn 15% into a decimal, then you will subtract the decimal from 50. Hope this helped

Step-by-step explanation:

8 0
3 years ago
Simplify. 9 ÷ 3 + 8 • 5 – 2
kodGreya [7K]
This answer is 41
9 divided by 3
+8
x 5
-2
4 0
3 years ago
Read 2 more answers
The sum of three consecutive even numbers is 114 what's the smallest of these numbers​
laila [671]

Answer:

36

Step-by-step explanation:

consecutive even numbers are 2,4, 6...

Let the smallest of the 3 numbers be x.

2nd number= x+2

3rd number

=x+2+2

= x+4

sum of the 3 numbers= x +x+2 +x+4

114= 3x+6

3x= 114 -6 (-3 on both sides)

3x= 108 (simplify)

x= 108 ÷3

x= 36

Thus, the smallest number is 36.

Let's check!

36+38+40= 114 ✓

8 0
3 years ago
46 degrees and x <br><br> X =
vesna_86 [32]

Answer:

136° that's 90 plus 46.........

3 0
3 years ago
Read 2 more answers
Solve the system by the elimination method <br> 7x+5y=-25<br> 5x+3y=-23
aksik [14]

Step-by-step explanation:

7x+5y=25 ×3 7×-1.5+5y=25

5x+3y= -23 ×5 -10.5 +5y =25

5y= 25 + 10.5

21x+15y=75 5y= 35.5

25x+15y=69 y= 7.1

-4x=6

x=-1.5

5 0
3 years ago
Other questions:
  • Name the values of the given digits <br>4s in 244
    11·1 answer
  • What is the area of the enlarged trapezoid?
    14·1 answer
  • Solve for b in the literal equation y = 17x + 17b
    11·1 answer
  • Please help with the problem above
    6·1 answer
  • Name an excluded value
    14·1 answer
  • Please help me wiyh this<br> In triangle △WXY, XY ≅ WX and m∠X=38 Find m∠W
    5·1 answer
  • Plz Answer This Mathematics Question??? NEED HELP ASAP
    10·2 answers
  • What is the value of x in the solution to this system of equations? 3x = 2y + 14<br> y = -6x + 18​
    7·1 answer
  • Help PLEASE I DONT GET IT
    8·2 answers
  • This year has had a significant amount of rainfall, but not as much as last year, which had 31 inches and is measured from July
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!