noahbcon noahbcon

02-04-2020
Mathematics

contestada

find the equivalent expression
9(2a + 1)

a. 18a + 1
b. 18a + 9
c. 11a + 10
d. 27a

Respuesta :

hatcicekci hatcicekci

02-04-2020

Answer:

b

Step-by-step explanation:

because 9*2a=18a

9*1=9

= 18a+9

Answer Link

latasiaevans24 latasiaevans24

02-04-2020

B
Distribute 9 into parentheses and 9 times 2a is 18a plus the additional 9 times 1 which gives you 18a+9

Answer Link

Otras preguntas

Which step in the decision making process is MOST helpful in learning from mistakes?

Three math questions

Once a commercial plane reaches the desired altitude,

A fair coin is tossed in the air four times. If the experimental probability of landing on tails is 1/4, then what is the difference between the experimental an

A scientific variable is something that Select in an experiment. Select changes moves remains

When the narrator in the raven first hears of the tapping of the raven it’s doing what ?

706 + 2 + 4 x 3 + 3 - 7 + 6 + 5+ 3 - 1 x 1 =

For what reasons did medieval writers use allegory? Select all that apply. to establish an ironic point of view to explore deep spiritual meanings to share simp

Miguel is taking notes of the mayor's speech. As he is taking notes, Miguel should a. write out every word he hears. b. jot down main points and supporting deta

Putting up lawn signs and posters, wearing political clothing, and wearing campaign buttons are all __________ ways of showing support for candidates.