Solve the systems in Problems (27-38) by the addition method. (left{begin{array}{l}2 x+5 y=7 2 x+6 y=14end{array}ight.)
Question:
Solve the systems in Problems \(27-38\) by the addition method.
\(\left\{\begin{array}{l}2 x+5 y=7 \\ 2 x+6 y=14\end{array}ight.\)
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (1 review)
Answered By
Michael Mulupi
I am honest,hardworking, and determined writer
4.70+
72+ Reviews
157+ Question Solved
Related Book For
Question Posted:
Students also viewed these Sciences questions
-
Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...
-
can someone solve this Modern workstations typically have memory systems that incorporate two or three levels of caching. Explain why they are designed like this. [4 marks] In order to investigate...
-
Explain informally the difference between Godel's completeness theorem and his first incompleteness theorem. [8 marks] (b) State the meaning of Hoare triples {P} C {Q} in separation logic. [3 marks]...
-
Knowing that two equal caps have been removed from a 10-in.-diameter wooden sphere, determine the total surface area of the remaining portion. 4 in 10 in.
-
An ideal refrigerator or ideal heat pump is equivalent to a Carnot engine running in reverse. That is, energy Q c is taken in from a cold reservoir and energy Q h is rejected to a hot reservoir. (a)...
-
Your company needs to purchase a new track hoe and has narrowed the selection to two pieces of equipment. The first track hoe costs $100,000 and costs $32.00 per hour to operate. The second track hoe...
-
Locomotive boiler is: (a) Vertical, multitubular, fire-tube type (b) Horizontal, multitubular, fire-tube type (c) Horizontal, multitubular, water-tube type (d) None of the above
-
The following is a list of manufacturing costs incurred by Denney Manufacturing Co. during July: Direct materials used....................................................... $21,000 Indirect...
-
Part 1 of 3 Required information [The following information applies to the questions displayed below] Simon Company's year-end balance sheets follow 2 points ellook Pr References At December 31...
-
Given the matrices in Problems 36-39, perform elementary row operations to obtain zeros above and below the 1 in the third column without changing the entries in the first or second columns. [c] = 10...
-
Forty-two coins have a total value of \(\$ 9.50\). If the coins are all nickels and quarters, how many are quarters?
-
Sk8 Company produces skateboards and purchases 20,000 units of a wheel bearing each year at a cost of $1 per unit. Sk8 requires a 15% annual rate of return on investment. In addition, the relevant...
-
Find the amount of periodic payment necessary for each deposit to a sinking fund in Problems 35-46. Amount Needed Frequency A n 40. $3,000,000 semiannually Rate r 3% Time t 20 yr
-
Convert each credit card rate in Problems 25-30 to the APR. Arizona, \(1 \frac{1}{3} \%\) per month
-
Use estimation to select the best response in Problems 7-24. Do not calculate. If you purchase an item for \(\$ 1,295\) at an interest rate of \(9.8 \%\), and you finance it for 1 year, then the...
-
Classify each sequence as arithmetic, geometric, Fibonaccitype, or none of these. Find an expression for the general term if it is one of these types; otherwise, give the next two terms. a....
-
Use estimation to select the best response in Problems 7-24. Do not calculate. In an application of the average daily balance method for the month of August, \(t\) is A. \(\frac{1}{12}\) B....
-
A lease involves payments of $1,000 per month for five years. The payments are made at the end of each month. The lease also involves a guaranteed residual value of $10,000 to be paid at the end of...
-
Government is advised to tax goods whose demand curves are inelastic if the goal is to raise tax revenues. If the goal is to discourage consumption, then it ought to tax goods whose demand curves are...
-
In a Rankine cycle 0.9MWis taken out in the condenser, 0.63MWis taken out from the turbine, and the pump work is 0.03MW. Find the plants thermal efficiency. If everything could be reversed, find the...
-
An experimental power plant outputs 130 MW of electrical power. It uses a supply of 1200 MW from a geothermal source and rejects energy to the atmosphere. Find the power to the air and how much air...
-
A water cooler for drinking water should cool 25 L/h water from 18C to 10C while the water reservoirs also gains 60 W from heat transfer. Assume that a small refrigeration unit with a COP of 2.5 does...
-
To push a 27.0 kg crate up a frictionless incline, angled at 27.0 0 to the horizontal, a worker exerts a force of 215 N parallel to the incline. As the crate slides 1.70 m, how much work is done on...
-
Evaluate 23 2 11.9x2-136 3x-3+3=0 x 12.log3 x x log9 x x log27 x x log81 x = 13.xlog x = 1000x2 1 14.log+ 3 + log3 x = log 3 + log3 x + X 2
-
Two fishermen on Lake Ontario use a fish finder to help them fish. If sound travels at 1440m/s in the water and it takes 0.086s for the pulse to return. What is the depth of the water where they are...
Study smarter with the SolutionInn App