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
Bingel [31]
3 years ago
11

3x + y = 19 , and x + 3y = 1. Find the value of 2x + 2y

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
6 0
3x+y=19 \\
x+3y=1 \\ \\
\hbox{add the sides of the equations:} \\
3x+x+y+3y=19+1 \\
4x+4y=20 \\ \\ \hbox{divide both sides by 2:} \\
2x+2y=10

The answer is d. 10.
You might be interested in
Help please show work <br><br> A 18 <br> B 2<br> C 9 <br> D 1
Crank

Answer:

value of x = 2

Step-by-step explanation:

the given quadrilateral will be a parallelogram if their diagonals bisects each other so,

if 5x - 1 = 2x + 5 , then the given quadrilateral is a parallelogram.

now,

=》 5x - 1 = 2x + 5

=》 5x - 2x = 5 + 1

=》3x = 6

=》x = 6 ÷ 3

=》x = 2

hence, if x = 2 units, then the given figure will be a parallelogram.

3 0
2 years ago
The entire rectangle below has an area of .
Nastasia [14]

Answer:

Hence the required ans. Is 24cm2.

Step-by-step explanation:

I have explained Ans. at above. See it and how you Understand it. If you have any doubt then Comment . if you Like then Plz Give me 5 star rating

5 0
3 years ago
Josie has 47$ left on her checking account if she writes a check for 55$ what will josies balance be
HACTEHA [7]
She will have negative eight dollars. Thats all I can say

7 0
2 years ago
A school newspaper took a survey of 100 students. The results of the survey showed that 43 students are
seropon [69]
We need the rest of the question :)
6 0
2 years ago
Chad's baseball team went out for pizza after their game. the bill for the pizza was $45 and the coaches gave a 15% tip.
NikAS [45]
A is the awnser jk idk im 13
3 0
3 years ago
Read 2 more answers
Other questions:
  • The rectangular sandbox at the local community park has a width of 24.5 meters and its length is 31.7 meters. What is the perime
    7·1 answer
  • Any suggestions on how to solve this? thanks ​
    8·1 answer
  • Part c and d plzzzzzzzzzz
    12·1 answer
  • What is the slope of the line represented by the equation y= -2/35x?
    11·1 answer
  • (5.2c-7.35)+(-3.9c+2.65)
    15·1 answer
  • Thi is due at 9:00 please help
    5·1 answer
  • PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*.. <br> IM GIVING 40 POINTS !! DONT SKIP :((.
    5·1 answer
  • Megan surveyed 40 students in her grade level and asked them what their favorite vegetable was. The results are in the circle gr
    13·1 answer
  • how many decimeters are in 5 kilometers. please show your work by using the power of 10 to show the work its due in 12 minutes P
    12·1 answer
  • Each regular polygon has radil and apothem as shown. Find the measure of each numbered angle. ​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!