alissablakeman alissablakeman

21-12-2018
Mathematics

contestada

What is the sign of − 4 a b −4ab when a > 0 a>0 and b < 0 b<0?

Respuesta :

PhantomWisdom PhantomWisdom

31-12-2018

Answer:

The sign is positive.

Step-by-step explanation:

a > 0 and b < 0

So, a·b < 0

⇒ -4·a·b > 0

⇒ -4·a·b - 4·a·b > 0

Hence, the sign will be positive

Answer Link

soranyelisestepan soranyelisestepan

24-02-2021

Answer:

the answer is on top of me

Step-by-step explanation:

my mom is angry at me and im bored

Answer Link

Otras preguntas

What is the molarity of a solution prepared by dissolving 12.0 g of sodium acetate, nac2h3o2, in water and diluting it to 250.0 ml?

Andrea works at a zoo that just purchased a new lion and two parakeets. Andrea needs to change a section of the lion's habitat from sand to grass. She also need

A differential equation that is a function of y only a) will produce a slope field with parallel tangents along the diagonal b) will produce a slope field that

A very brief and highly energetic explosion stemming from fused helium in the core of a star is called what?

How to solve the question

the value 299,792,458 m/s in proper scientific notation to 4 significant figures

What would happen if dna replication occurred again before meiosis 2?

look the attachment please!

What does Romeo mean when he says “can I go forward when my heart is here? Turn back, dull earth and find thy center out”

Geometry! Please help! What is the area of this trapezoid? Enter your answer in the box.