desireemalulani desireemalulani

10-09-2020
Mathematics

contestada

Determine whether the given ordered pair is a solution of the system.
(2,-1)
7x + 2y = 12
6x - 3y = 20

Respuesta :

njrcomps11 njrcomps11

10-09-2020

Answer:

Not a solution of the system

Step-by-step explanation:

Substitute 2 for x and -1 for y

[tex]7(2)+2(-1)=12\\6(2)-3(-1)=20[/tex]

Simplify

[tex]14-2=12\\12+3=20[/tex]

Simplify

[tex]12=12\\15\neq 20[/tex]

Answer Link

Otras preguntas

plzzzzz help me ASAP . WILL MARK AS BRAILEIST Which of these describes a cause of lithospheric plate movement across the surface of Earth? Group of answer choi

Jackie is a well-behaved ninth grader who is reading four grade levels below the rest of the ninth-grade class. Mr. Atom, the science teacher, wants to include

Consider a sequence whose first three terms are 27,21,15... Write an equation for this sequence in explicit form.

which is a contribution, of classical greece, to modern, western, civilization? a ) women's suffrage. b ) abolition, of slavery. c ) democratic government. d )

Vulcan, Inc., has 7 percent coupon bonds on the market that have 13 years left to maturity. The bonds make annual payments and have a par value of $1,000. If th

According to Say's Law, people: Multiple ChoiceA.supply goods in order to accumulate profits.B. demand goods so they can supply them to others.C. demand goods i

A client might overstate December 31 accounts receivable balances by dating and recording January transactions in December. Such entries recorded in which journ

There were 32 volunteers to donate blood unfortunately,n of the volunteers did not meet the health requirement so they couldn't donate blood the rest of the vol

Translate the following loop into C. Assume that the C-level integer i is held in register $t1, $s2 holds the C-level integer called result, and $s0 holds the b

Recall that a small amount of releasing factor from the hypothalamus can cause the adrenal cortex to secrete a much greater amount of cortisol. The action of co