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

Game Informer (often abbreviated to GI) is an American-based monthly magazine featuring articles, news, strategy, and reviews of popular video games and associa

Derive 3: v2=u2 + 2as

Tawanna is asked to find the GCF of each term in the expression 2 a b + 8 b. Her work is shown below. Factors of 2ab: 1, 2, a, and b Factors of 8b: 1, 2, 4, 8,

accurately 3 different ways that antiretroviral drugs can prevent virus formation

Arturo worked a 40 hour week at $12 per hour. He then received a raise of one dollar per hour and worked 830 hour week. How much more money did he receive for t

f(x) = 4x^3 + 7x^2 – 2x – 1 g(x) = 4x – 2 Find (f -g)(x).

Interest Rates) Well-known financial writer Andrew Tobias argues that he can earn 177 percent per year buying wine by the case. Specifically, he assumes that he

How are occupations in health care emotionally and physically demanding?

5. Genevieve was obsessed with details. She felt that everything that she submitted to her teacher had to be perfect. For the final project in reading class, st

geo question A) Segment addition postulate B) All sides of a square are congruent. C) Angle addition postulate D) Corresponding angles postulate