MathMaster logo

MathMaster

  1. Home
  2. general
  3. use the elimination to find the solution to each linear system x y 43 2x y 20
Question

Use the elimination to find the solution to each linear system. X+y=43 2x-y=20

97

likes
484 views

Answer to a math question Use the elimination to find the solution to each linear system. X+y=43 2x-y=20

Expert avatar
Gene
4.5
108 Answers
x=21, y=22

Frequently asked questions (FAQs)
What is the basis of vectors in a 3D Euclidean space with the coordinates (1,0,0), (0,1,0), and (0,0,1)?
+
What is the length of the hypotenuse in a right triangle if the two legs measure 3 cm and 4 cm?
+
Question: What is the area, in square units, of a right-angled triangle if the lengths of its legs are 5 units and 12 units?
+
New questions in Mathematics
Using a remarkable product you must factor the expression: f(x) =36x^2-324 and you are entitled to 5 steps
One contestant on a game show has 1,500 points and another contestant has -250 points. What is the difference between the scores of the contestants?
String x = 5 Int y=2 System.out.println(x+y)
"If three wolves catch three rabbits in three hours, how many wolves would it take to catch a hundred rabbits in a hundred hours?" The answer is the number of response units.
There are 162 students enrolled in the basic mathematics course. If the number of women is 8 times the number of men, how many women are there in the basic mathematics course?
Mrs. Emily saved RM10000 in a bank. At the end of the eighth year, the amount of money accumulated amounted to RM19992.71. If the bank pays an annual interest of x% for a year compounded every 6 months. Calculate the value of x.
How many anagrams of the word STROMEC there that do not contain STROM, MOST, MOC or CEST as a subword? By subword is meant anything that is created by omitting some letters - for example, the word EMROSCT contains both MOC and MOST as subwords.
The cost of unleaded gasoline in the Bay Area once followed an unknown distribution with a mean of $4.59 and a standard deviation of $0.10. Sixteen gas stations from the Bay Area are randomly chosen. We are interested in the average cost of gasoline for the 16 gas stations. 84. Find the probability that the average price for 30 gas stations is less than $4.55. a 0.6554 b 0.3446 c 0.0142 d 0.9858 e 0
20% of 3500
find f(x) for f'(x)=3x+7
Professor Vélez has withdrawn 40 monthly payments of $3,275 from her investment account. If the investment account yields 4% convertible monthly, how much did you have in your investment account one month before making the first withdrawal? (Since you started making withdrawals you have not made any deposits.)
What is 75 percent less than 60
Express the trigonometric form of the complex z = -1 + i.
find missing measure for triangle area = 48 m square base = 10m heaighy = ? m
Log0
94 divided by 8.75
Consider mixing 150 ml, 0.1M, HCI with 100 ml, 0.2M, KOH solution. Determine the pH of final solution.
To verify that a 1 kg gold bar is actually made of pure gold, a dynamometer is used to record the weight of the bar submerged in water and out of water. a) What would be the value of the weight of the ingot recorded by the dynamometer out of the water? b) What magnitude of thrust does the ingot receive when it is submerged? c) What would the weight of the ingot have to be when it is submerged? Data Pagua = 1000 kg/m³ Pagua= 19300 kg/m³
Kayla started a book club at her school. The number of girls in the book club was one more than twice the number of boys. If there are 15 girls in the book club, how many boys are in the club?
The supply of a good registers periodic increases. With each increase in the offer, the total receipts of the bidders increase. Indicate the correct statement: a) demand is elastic b) demand is inelastic c) supply is inelastic d) supply has unit elasticity.

You might be interested in