youngthugg95 youngthugg95

12-09-2015
Mathematics

contestada

Use the matrix tool to solve the system of equations. Choose the correct ordered pair.

7x + 3y = 56
6x + 6y = 72

Respuesta :

michelleshie michelleshie

12-09-2015

( 7x + 3y = 56 ) × 2
14x + 6y = 112
6x + 6y = 72
__________ -
8x = 40
x = 5

Answer Link

Otras preguntas

Which of the following sets are finite? (Select all that apply.)A. NB. {Z,N,C,Q}C. Z D. ∅E. [Z]

In a dog show, 3 German Shepherds and 3 Siberian Huskies enter. At the end of the show, how many dogs are there in total?

Esperanza Rising by Pam Munoz Ryan Chapter 2 question Directions: Answer each question with an answer that shows your understanding and knowledge of what is bei

Highland Corp, a US company, has a five-year bond with a face value of $1000, and its yield to maturity is 6.5 percent. What is the current market price of the

What is the difference between factors of a number and multiples of a number? Use the number 25 as an example

Suppose that R 4 = Span {v1, . . . , v4}. Explain why {v1, . . . , v4} is a basis for R 4. Let B={V1,..., Vn} be a linearly independent set in Rⁿ. Explain why B

Use standard free energies of formation to calculate ?G?rxn for the balanced chemical equation:Mg(s)+N₂O(g)?MgO(s)+N₂(g)

Responsive or "servant" leadership emphasizes listening. Explain to your BFF or your mom why listening by managers at all levels is important. a) It searches fo

Which of the following investment strategies involves generating a higher expected rate of return through increasing risk? A.Diversifying B.Hedging risk C.Lever

Find a particular solution to the nonhomogeneous differential equation y" - 8y' + 16y = e^(4x).