oscar500 oscar500

18-11-2016
Mathematics

contestada

7z-9z is equivalent to wich of the following
a. -2
b. -2z
c. -2z2

Respuesta :

KeaneNR KeaneNR

18-11-2016

When subtracting terms like these, you need to subtract the coefficients.
7-9=-2

But don't forget that z which means the answer is B. -2z

Answer Link

Otras preguntas

What do radio waves and gamma rays have in common?

What did Julius Caesar do that hastened Rome’s transition from a republic to an empire? A. He declared himself emperor and first citizen B. He appointed allies

When a negative externality exists, the private market produces A. products at a high opportunity cost. B. products at a low opportunity cost. C. more than the

2. The empirical formula of a molecule is CH2O. In an experiment, the molar mass of the molecule was determined to be 360.3 g/mol. Use this information to deter

Identify and describe Canada’s largest landform

How does a solute differ from a solvent?

A character about which we know very little (perhaps one or two personality traits) is known as a _____. A.round character B.flat character C.dynamic character

The point A(-6, 7) is reflected over the origin and it's image is point B. What are the coordinates of point B?

You go clothes shopping and find a great pair of jeans. They fit you perfectly, but they also cost $100. You are willing to buy them, but you only have $50 in y

How to solve −3−6c=9c+5−15c