Fatima17777
Fatima17777
22-11-2020
Mathematics
contestada
What is the correct answer for both ?
Respuesta :
vanessaakaraiwe123
vanessaakaraiwe123
22-11-2020
Answer:
19. Option A
20. Option B
Step-by-step explanation:
Answer Link
jayjayf
jayjayf
22-11-2020
Answer of 19 is A by using the a^2 - b^2 = ( a - b) ( a + b) so this will be (r-1 )( r+1) because we have r^2 so we have to factorize it
Answer of 20 is B by following the same steps
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
when climbing a steep hill, would you want to use a small or large bicycle gear
What was believed to be the best defense against the Soviet Union's threat of Communism?
A block of wood is in the shape of a rectangular prism with dimensions (n+5) cm, (n+8) cm, and (n+14) cm. All faces of the block are painted, and then the block
Under Hammurabi’s Code, how was punishment determined? a. by all of these factors b. by a written law that everyone could see c. by the social class of the accu
create a hypothesis that can be tested in an experiment
You randomly select one truck owner. What is the probability that he owns a Dodge or has four wheel drive?
Use glucose in a sentence
CAN SOMEONE THATS GOOD AT CHEM PLEASE HELP ME?!?! I’LL GIVE 50 POINTS!!! AND A BRAINIEST!!! PLEASE I HAVE OTHER HW TO DO:(
AHHHHHHHHH HELP WHATS THE COLOR OF THE SKY AND really quick why does my cat keep beating me in super smash bros
3 divided by 2/5 100 points!!!!!!!!!!!!!! :P
