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 ( 35+ )
Otras preguntas
It takes Serina 4.44 hours to drive to school. Her route is 15 km long. What is Serina’s average speed on her drive to school?
What is the solution to this equation?
What is -1 ⅓ × -⅖Please explain your answer and show your work.
Historically, European colonizers used the perception that Native Americans were uncivilized to justify conquest. In what ways did Native Americans display char
A Prime Minister differs from a President in which of the following ways?
the Rope is 30m long. how many 3/4 meter pieces can be cut from the rope
City planners are designing a new dog park. The park will be a square. The area of the park is the square of the side length: area=2802 feet2. Without using a c
What should the museum be across from? ER and IR verbs part one quiz
The height of a triangle is 8 m more than the length of the base. The area of the triangle is 21 m^2. Find the height of the triangle
These bacteria use chemicals and heat in the water to make their own food are classified as
