vizhnay9615 vizhnay9615

01-12-2020
Mathematics

contestada

Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Respuesta :

Emersoncushing Emersoncushing

01-12-2020

(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3

Answer Link

Otras preguntas

A _____ is a new substance formed in a chemical reaction. a. catalyst b. reactant c. product d. coefficient

Which type of government consists of a single, self-appointed ruler who holds political control over an entire country? a. autocracy b. democracy Eliminate c.

three ways by which unequal power relation could contribute to the spread of HIV and AIDS infections

Marketers normally have nearly complete control over how their products are priced.

A 75-kg refrigerator is located on the 70th floor of a skyscraper (300 meters above the ground) What is the potential energy of the refrigerator?

Any object that revolves around another object in space is called a a. satellite. c. shuttle. b. rover. d. surveyor.

an electric bill in May was $112 in June the bill was $163 what is the percent of increase rounded to the nearest tenth

Why did Greek culture spread so rapidly across the Medditteranean Sea and Black Sea? Urgent!!!

Find y when X=14 if y varies directly with X2, and y=72 when X=6.

what is the fundamental characteristic of a literary analysis essay