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
Dmitry_Shevchenko [17]
2 years ago
12

Solve the system: 2x+6y=36 x+4y=20

Mathematics
1 answer:
Assoli18 [71]2 years ago
5 0

<u>Let's solve this problem step-by-step</u>

<u>Let's set</u>:

   2x + 6y = 36 -- equation 1

   x + 4y = 20 -- equation 2

(equation 2) * 2

   2x + 8y = 40 -- equation 3

(equation 3) - (equation 1)

   2y = 4

   y = 2 -- equation 4

Plug (equation 4)'s value of y into (equation 2)

   x + 4(2) = 20

   x = 20 - 8

   x = 12

<u>Thus x = 12 and y = 2</u>

<u>Let's check, by substituting these values</u>

  2x + 6y = 36\\2(12)+6(2) = 36\\24+12=36\\36=36\\\\x+4y=20\\12+4(2)=20\\12+8=20\\20=20

<u>Answer: x = 12 and y = 2</u>

Hope that helps!

You might be interested in
You are laying an asphalt driveway. How much area must you cover if the driveway is 21 feet long and 10.5 feet wide?
balandron [24]
We know that

<span>An asphalt driveway </span>has the shape of a rectangle
so
area of rectangle=long*wide
area=21*10.5-----> 220.5 ft²

the answer is
220.5 ft²

4 0
3 years ago
the measure of angle is 7π/6. the measure of its reference angle is *blank* degrees, and sin is *blank*.
marin [14]
The measure of angle θ = 7pi/6. To convert this to degrees, substitute pi with 180 degrees. Pi is always equal to 180 degrees.
θ becomes: 7 x 180/6
Therefore, θ = 210 degrees.
And, to solve for sin θ, you can directly input sin (210) in the calculator. 
Thus, sin θ = sin (210) = -0.5 or -1/2
7 0
3 years ago
Read 2 more answers
I need help on this math problem.
MrMuchimi

Answer:

its A.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How to write 1/4z-1/3-1/7z^2 in az^2+bz
rjkz [21]

Answer:

huh?nani?

ksjn

lsjsmskkks

7 0
3 years ago
Choose the congruence theorem that you would use to prove the triangles congruent.
salantis [7]
The answer is Angle Side Angle or ASA
3 0
3 years ago
Other questions:
  • Find the difference 9x2-24x2
    8·2 answers
  • What expression is equivalent to (3n-4)-2(n-2)
    6·1 answer
  • Tim's phone service charges $26.97 plus an additional $0.25 for each text message sent per month. If Tim's phone bill was $33.22
    7·1 answer
  • What is the algebraic expression for the following word phrase the sum of 15x and 4​
    14·1 answer
  • Find the area and perimeter of the shaded region.
    6·2 answers
  • Provides data on sleep deprivation rates of Californians and Oregonians. The proportion of California residents who reported ins
    5·1 answer
  • Witch ones are bigger. <br> a. 5/9 or 11/18<br><br> b. 3/8 or 4/9
    7·2 answers
  • The sixth-grade class is raising money to have a
    11·1 answer
  • Would like to know Is -6.06 a integers
    15·2 answers
  • Type the correct answer in each box. Use numerals instead of words for numbers. If necessary, use / for the fraction bar(s).
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!