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 ( 92+ )
Otras preguntas
In the opening hour of a new store, a bell rang every 2 min and lights flashed every 3 min. If the store opened at 10, at what time did both events happen at th
What’s a sample sentence for the word “vehemently” it’s a adverb.
1 and 2 are complementary angles. 1 and 3 are vertical angles. If m2=52, what is the measure of the SUPPLEMENT to angle 3?
I need some help with this.
For this project, we’re going to look at weight and BMI in your family to determine if obesity is a factor in your family. Submit your work.
Select the correct word from the box on the right to complete each sentence.
5. Predict some of the political ramifications that could result from increased world population and rising global energy demands.
he first term in a pattern is 427. The pattern follows the rule subtract 15. Which number is a term in the pattern?
in the poem "sympathy," which textual evidence from the poem best supports the inference that the speaker identifies with the bird's plight?
list the three african empires portugal traded with as it explored west africa
