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 median of a set of numbers {3, 5, 8, 10, 15}?
+
Math question: Factor the expression 3x^2 - 15x - 18 using the distributive property.
+
What is the surface area of a rectangular prism with length 5 cm, width 8 cm, and height 10 cm?
+
New questions in Mathematics
How to find the value of x and y which satisfy both equations x-2y=24 and 8x-y=117
CASE 6-1: PREPARE A PRODUCTION PLAN: WHAT PROBLEMS ARRIVE? Midwest Plastics Company has conducted profit planning for several years. The president stated (with justification) that inventory control and planning had not been satisfactory, which was mainly due to poor planning of production and inventory budgets. Please analyze and provide recommendations, in detail, on the issue regarding the 20B profit plan, which is now being prepared. Their analysis and recommendations will be presented to the executive committee. Despite the seasonality factor, the sales department has been successful in developing a sales plan, on a monthly basis, for each year. The following sales data is available for 20B. 1. Sales plan summary for 20B: 2. Finished goods inventory, as of January 1, 20B, is 96,000 units. 3. Work-in-process inventory will remain constant. 4. Actual annual sales in 20A, including the estimate for December, were 350,000 units. 5. The average finished goods inventory during 20A was 70,000 units. IT IS REQUESTED. 1. Prepare the annual production budget, assuming that management policy is to budget ending finished goods inventory at a standard quantity, based on the ratio of historical sales of 20A to inventory turnover. 2. Prepare a schedule showing sales, production, and inventory levels for each month, assuming: 1) stable inventory, 2) stable production, and 3) recommended inventory-production levels. In developing your recommendations, assume that the following policies have been established: a) The president has set the policy that a maximum inventory of 85,000 units and a minimum inventory of 75,000 units should be used, except in abnormal circumstances. b) A stable level of production is definitely preferred, except that during the holiday season in July and August, production may be reduced by 25 percent. Likewise, a variation in production of 7.5 percent above and below the average level is acceptable. 3. What are the main problems faced by the company in production planning? Make your general recommendations.
STUDENTS IN A CLASS LEARN ONLY ONE FOREIGN LANGUAGE. two-sevenths of the students learn German, half of the students learn Spanish, and the remaining six students learn Italian. what is the number of students in this class? detail your reasoning carefully.
4.2x10^_6 convert to standard notation
The sum of two numbers is 6, and the sum of their squares is 28. Find these numbers exactly
Find the root of x^4-10x^ 5=0 using Newton's method, with a precision of the smallest positive root.
(3x^(2) 9x 6)/(5x^(2)-20)
Suppose the horses in a large they will have a mean way of 818 pounds in a variance of 3481. What is the probability that the mean weight of the sample of horses with differ from the population mean by more than 18 pounds is 34 horses are sampled at random from the stable.
To make brine, JosΓ© buys 1 kg of salt and pays 12 pesos. If he buys 4 kg, they charge him 48 pesos, but for 100 pesos they sell him 9 kg. What is the constant of proportionality?
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?
Determine the general equation of the straight line that passes through the point P (2;-3) and is parallel to the straight line with the equation 5x – 2y 1 = 0:
Your grandfather has run a small high street pharmacy for 40 years. After much persuasion, he has agreed to open a digital store online. List 5 potential ways to improve sales and/or margins by having a digital pharmacy through the utilisation of historic or new sales data.
Find the number of pounds of nails required for 17850 square feet of drywall if each thousand square feet requires 4.5 pounds of nails.
Let X be a discrete random variable such that E(X)=3 and V(X)=5. Let π‘Œ = 2𝑋^2 βˆ’ 3𝑋. Determine E(Y).
Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.
Find the area of a triangle ABC when m<C = 14 degrees, a = 5.7 miles, and b = 9.3 miles.
The area bounded by the curve y=ln(x) and the lines x=1 and x=4 above the xβˆ’axis is
2.3 X 0.8
a coffee shop has 9 types of creamer and 11 types of sweetener. In how any ways can a person make their coffee?
Determine the general solution of the equation yβ€²+y=eβˆ’x .

You might be interested in